Attachment 1272695 Details for Bug 1433831 – dmesg after applying debug patches and checking for NVMe device

dmesg after applying debug patches and checking for NVMe device

dmesg.FAIL5 (text/plain), 113.42 KB, created by David Milburn on 2017-04-19 18:02:46 UTC

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Creator: David Milburn

Created: 2017-04-19 18:02:46 UTC

Size: 113.42 KB

patch

obsolete

>[    0.000000] Linux version 4.10.0 (ec2-user@ip-172-31-7-115.us-west-2.compute.internal) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #3 SMP Wed Apr 19 09:49:35 EDT 2017
>[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.10.0 root=UUID=3ed41454-00c8-4803-bf61-2ee88aa54dbf ro console=ttyS0,115200n8 console=tty0 net.ifnames=0 crashkernel=auto LANG=en_US.UTF-8
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
>[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
>[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
>[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009e000-0x000000000009ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007fffffff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000fc000000-0x00000000ffffffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x0000003d7fffffff] usable
>[    0.000000] NX (Execute Disable) protection: active
>[    0.000000] SMBIOS 2.4 present.
>[    0.000000] DMI: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[    0.000000] Hypervisor detected: Xen
>[    0.000000] Xen version 4.2.
>[    0.000000] Xen Platform PCI: I/O protocol version 1
>[    0.000000] Netfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated NICs.
>[    0.000000] Blkfront and the Xen platform PCI driver have been compiled for this kernel: unplug emulated disks.
>You might have to change the root device
>from /dev/hd[a-d] to /dev/xvd[a-d]
>in your root= kernel command line option
>[    0.000000] HVMOP_pagetable_dying not supported
>[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
>[    0.000000] e820: last_pfn = 0x3d80000 max_arch_pfn = 0x400000000
>[    0.000000] MTRR default type: write-back
>[    0.000000] MTRR fixed ranges enabled:
>[    0.000000]   00000-9FFFF write-back
>[    0.000000]   A0000-BFFFF write-combining
>[    0.000000]   C0000-FFFFF write-back
>[    0.000000] MTRR variable ranges enabled:
>[    0.000000]   0 base 000080000000 mask 3FFFC0000000 uncachable
>[    0.000000]   1 base 0000C0000000 mask 3FFFE0000000 uncachable
>[    0.000000]   2 base 0000E0000000 mask 3FFFF0000000 uncachable
>[    0.000000]   3 base 0000F0000000 mask 3FFFF8000000 uncachable
>[    0.000000]   4 base 0000F8000000 mask 3FFFFC000000 uncachable
>[    0.000000]   5 disabled
>[    0.000000]   6 disabled
>[    0.000000]   7 disabled
>[    0.000000] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WC  UC- WT  
>[    0.000000] e820: last_pfn = 0x80000 max_arch_pfn = 0x400000000
>[    0.000000] found SMP MP-table at [mem 0x000fbc20-0x000fbc2f] mapped at [ffff8800000fbc20]
>[    0.000000] Base memory trampoline at [ffff880000098000] 98000 size 24576
>[    0.000000] Using GB pages for direct mapping
>[    0.000000] BRK [0x0229b000, 0x0229bfff] PGTABLE
>[    0.000000] BRK [0x0229c000, 0x0229cfff] PGTABLE
>[    0.000000] BRK [0x0229d000, 0x0229dfff] PGTABLE
>[    0.000000] RAMDISK: [mem 0x332e4000-0x35969fff]
>[    0.000000] ACPI: Early table checksum verification disabled
>[    0.000000] ACPI: RSDP 0x00000000000EA020 000024 (v02 Xen   )
>[    0.000000] ACPI: XSDT 0x00000000FC0164A0 000064 (v01 Xen    HVM      00000000 HVML 00000000)
>[    0.000000] ACPI: FACP 0x00000000FC0131A0 0000F4 (v04 Xen    HVM      00000000 HVML 00000000)
>[    0.000000] ACPI: DSDT 0x00000000FC001CE0 011438 (v02 Xen    HVM      00000000 INTL 20090123)
>[    0.000000] ACPI: FACS 0x00000000FC001CA0 000040
>[    0.000000] ACPI: FACS 0x00000000FC001CA0 000040
>[    0.000000] ACPI: APIC 0x00000000FC0132A0 000460 (v02 Xen    HVM      00000000 HVML 00000000)
>[    0.000000] ACPI: HPET 0x00000000FC013780 000038 (v01 Xen    HVM      00000000 HVML 00000000)
>[    0.000000] ACPI: WAET 0x00000000FC0137C0 000028 (v01 Xen    HVM      00000000 HVML 00000000)
>[    0.000000] ACPI: SSDT 0x00000000FC0137F0 000031 (v02 Xen    HVM      00000000 INTL 20090123)
>[    0.000000] ACPI: SSDT 0x00000000FC013830 000031 (v02 Xen    HVM      00000000 INTL 20090123)
>[    0.000000] ACPI: SSDT 0x00000000FC013870 000CB0 (v02 Xen    HVM      00000000 INTL 20090123)
>[    0.000000] ACPI: SSDT 0x00000000FC014520 001F7F (v02 Xen    HVM      00000000 INTL 20090123)
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] No NUMA configuration found
>[    0.000000] Faking a node at [mem 0x0000000000000000-0x0000003d7fffffff]
>[    0.000000] NODE_DATA(0) allocated [mem 0x3d7ffd5000-0x3d7fffffff]
>[    0.000000] kexec_core: crashkernel: memory value expected
>[    0.000000] Zone ranges:
>[    0.000000]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
>[    0.000000]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
>[    0.000000]   Normal   [mem 0x0000000100000000-0x0000003d7fffffff]
>[    0.000000]   Device   empty
>[    0.000000] Movable zone start for each node
>[    0.000000] Early memory node ranges
>[    0.000000]   node   0: [mem 0x0000000000001000-0x000000000009dfff]
>[    0.000000]   node   0: [mem 0x0000000000100000-0x000000007fffffff]
>[    0.000000]   node   0: [mem 0x0000000100000000-0x0000003d7fffffff]
>[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x0000003d7fffffff]
>[    0.000000] On node 0 totalpages: 63963037
>[    0.000000]   DMA zone: 64 pages used for memmap
>[    0.000000]   DMA zone: 21 pages reserved
>[    0.000000]   DMA zone: 3997 pages, LIFO batch:0
>[    0.000000]   DMA32 zone: 8128 pages used for memmap
>[    0.000000]   DMA32 zone: 520192 pages, LIFO batch:31
>[    0.000000]   Normal zone: 991232 pages used for memmap
>[    0.000000]   Normal zone: 63438848 pages, LIFO batch:31
>[    0.000000] ACPI: PM-Timer IO Port: 0xb008
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-47
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 low level)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 low level)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 low level)
>[    0.000000] ACPI: IRQ0 used by override.
>[    0.000000] ACPI: IRQ5 used by override.
>[    0.000000] ACPI: IRQ9 used by override.
>[    0.000000] ACPI: IRQ10 used by override.
>[    0.000000] ACPI: IRQ11 used by override.
>[    0.000000] Using ACPI (MADT) for SMP configuration information
>[    0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
>[    0.000000] smpboot: Allowing 128 CPUs, 96 hotplug CPUs
>[    0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
>[    0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x0009ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x80000000-0xfbffffff]
>[    0.000000] PM: Registered nosave memory: [mem 0xfc000000-0xffffffff]
>[    0.000000] e820: [mem 0x80000000-0xfbffffff] available for PCI devices
>[    0.000000] Booting paravirtualized kernel on Xen HVM
>[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
>[    0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:128 nr_cpu_ids:128 nr_node_ids:1
>[    0.000000] percpu: Embedded 36 pages/cpu @ffff883c89600000 s108504 r8192 d30760 u262144
>[    0.000000] pcpu-alloc: s108504 r8192 d30760 u262144 alloc=1*2097152
>[    0.000000] pcpu-alloc: [0] 000 001 002 003 004 005 006 007 
>[    0.000000] pcpu-alloc: [0] 008 009 010 011 012 013 014 015 
>[    0.000000] pcpu-alloc: [0] 016 017 018 019 020 021 022 023 
>[    0.000000] pcpu-alloc: [0] 024 025 026 027 028 029 030 031 
>[    0.000000] pcpu-alloc: [0] 032 033 034 035 036 037 038 039 
>[    0.000000] pcpu-alloc: [0] 040 041 042 043 044 045 046 047 
>[    0.000000] pcpu-alloc: [0] 048 049 050 051 052 053 054 055 
>[    0.000000] pcpu-alloc: [0] 056 057 058 059 060 061 062 063 
>[    0.000000] pcpu-alloc: [0] 064 065 066 067 068 069 070 071 
>[    0.000000] pcpu-alloc: [0] 072 073 074 075 076 077 078 079 
>[    0.000000] pcpu-alloc: [0] 080 081 082 083 084 085 086 087 
>[    0.000000] pcpu-alloc: [0] 088 089 090 091 092 093 094 095 
>[    0.000000] pcpu-alloc: [0] 096 097 098 099 100 101 102 103 
>[    0.000000] pcpu-alloc: [0] 104 105 106 107 108 109 110 111 
>[    0.000000] pcpu-alloc: [0] 112 113 114 115 116 117 118 119 
>[    0.000000] pcpu-alloc: [0] 120 121 122 123 124 125 126 127 
>[    0.000000] xen: PV spinlocks enabled
>[    0.000000] PV qspinlock hash table entries: 512 (order: 1, 8192 bytes)
>[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 62963592
>[    0.000000] Policy zone: Normal
>[    0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.10.0 root=UUID=3ed41454-00c8-4803-bf61-2ee88aa54dbf ro console=ttyS0,115200n8 console=tty0 net.ifnames=0 crashkernel=auto LANG=en_US.UTF-8
>[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
>[    0.000000] Memory: 4069732K/255852148K available (7414K kernel code, 1545K rwdata, 3184K rodata, 2140K init, 3032K bss, 4141032K reserved, 0K cma-reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=128, Nodes=1
>[    0.000000] Hierarchical RCU implementation.
>[    0.000000] 	Build-time adjustment of leaf fanout to 64.
>[    0.000000] 	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=128.
>[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=128
>[    0.000000] NR_IRQS:524544 nr_irqs:1856 16
>[    0.000000] xen:events: Using 2-level ABI
>[    0.000000] xen:events: Xen HVM callback vector for event delivery is enabled
>[    0.000000] Console: colour VGA+ 80x25
>[    0.000000] console [tty0] enabled
>[    0.000000] Cannot get hvm parameter CONSOLE_EVTCHN (18): -22!
>[    0.000000] console [ttyS0] enabled
>[    0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 30580167144 ns
>[    0.000000] hpet clockevent registered
>[    0.000000] tsc: Fast TSC calibration using PIT
>[    0.000000] tsc: Detected 2299.823 MHz processor
>[   13.575319] Calibrating delay loop (skipped), value calculated using timer frequency.. 4600.11 BogoMIPS (lpj=2300056)
>[   13.580990] pid_max: default: 131072 minimum: 1024
>[   13.583782] ACPI: Core revision 20160930
>[   13.596296] ACPI: 5 ACPI AML tables successfully acquired and loaded
>[   13.599795] Security Framework initialized
>[   13.602289] SELinux:  Initializing.
>[   13.604612] SELinux:  Starting in permissive mode
>[   13.616277] Dentry cache hash table entries: 33554432 (order: 16, 268435456 bytes)
>[   13.663333] Inode-cache hash table entries: 16777216 (order: 15, 134217728 bytes)
>[   13.686209] Mount-cache hash table entries: 524288 (order: 10, 4194304 bytes)
>[   13.690113] Mountpoint-cache hash table entries: 524288 (order: 10, 4194304 bytes)
>[   13.695928] CPU: Physical Processor ID: 0
>[   13.698371] CPU: Processor Core ID: 0
>[   13.700731] mce: CPU supports 2 MCE banks
>[   13.703184] process: using mwait in idle threads
>[   13.705873] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
>[   13.708837] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
>[   13.712206] Freeing SMP alternatives memory: 28K
>[   13.715791] ftrace: allocating 28841 entries in 113 pages
>[   13.729339] smpboot: Max logical packages: 8
>[   13.732497] x2apic: IRQ remapping doesn't support X2APIC mode
>[   13.736140] Switched APIC routing to physical flat.
>[   13.740925] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0
>[   13.754249] clocksource: xen: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
>[   13.760086] Xen: using vcpuop timer interface
>[   13.760092] installing Xen timer for CPU 0
>[   13.762917] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz (family: 0x6, model: 0x4f, stepping: 0x1)
>[   13.768241] cpu 0 spinlock event irq 53
>[   13.770677] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only.
>[   13.776909] NMI watchdog: disabled (cpu0): hardware events not enabled
>[   13.780325] NMI watchdog: Shutting down hard lockup detector on all cpus
>[   13.783769] smp: Bringing up secondary CPUs ...
>[   13.786465] installing Xen timer for CPU 1
>[   13.789020] x86: Booting SMP configuration:
>[   13.791525] .... node  #0, CPUs:          #1
>[   13.834684] random: fast init done
>[   13.858371] calibrate_delay_direct() dropping max bogoMips estimate 3 = 3269237
>[   13.863647] cpu 1 spinlock event irq 59
>[   13.866665] installing Xen timer for CPU 2
>[   13.869226]    #2
>[   13.934438] cpu 2 spinlock event irq 65
>[   13.938605] installing Xen timer for CPU 3
>[   13.941166]    #3
>[   14.006395] cpu 3 spinlock event irq 71
>[   14.011658] installing Xen timer for CPU 4
>[   14.014204]    #4
>[   14.079433] cpu 4 spinlock event irq 77
>[   14.083611] installing Xen timer for CPU 5
>[   14.086191]    #5
>[   14.151393] cpu 5 spinlock event irq 83
>[   14.155554] installing Xen timer for CPU 6
>[   14.160075]    #6
>[   14.225352] cpu 6 spinlock event irq 89
>[   14.233237] installing Xen timer for CPU 7
>[   14.238330]    #7
>[   14.303638] cpu 7 spinlock event irq 95
>[   14.311684] installing Xen timer for CPU 8
>[   14.316795]    #8
>[   14.382078] cpu 8 spinlock event irq 101
>[   14.389717] installing Xen timer for CPU 9
>[   14.394767]    #9
>[   14.460055] cpu 9 spinlock event irq 107
>[   14.467800] installing Xen timer for CPU 10
>[   14.472186]   #10
>[   14.537450] cpu 10 spinlock event irq 113
>[   14.544533] installing Xen timer for CPU 11
>[   14.548968]   #11
>[   14.614260] cpu 11 spinlock event irq 119
>[   14.618528] installing Xen timer for CPU 12
>[   14.621146]   #12
>[   14.686377] cpu 12 spinlock event irq 125
>[   14.690665] installing Xen timer for CPU 13
>[   14.706273]   #13
>[   14.737902] random: crng init done
>[   14.771500] cpu 13 spinlock event irq 131
>[   14.774009] installing Xen timer for CPU 14
>[   14.776564]   #14
>[   14.841778] cpu 14 spinlock event irq 137
>[   14.845960] installing Xen timer for CPU 15
>[   14.848615]   #15
>[   14.913826] cpu 15 spinlock event irq 143
>[   14.918140] installing Xen timer for CPU 16
>[   14.920746]   #16
>[   14.986044] cpu 16 spinlock event irq 149
>[   14.990311] installing Xen timer for CPU 17
>[   14.992933]   #17
>[   15.058161] cpu 17 spinlock event irq 155
>[   15.063990] installing Xen timer for CPU 18
>[   15.066635]   #18
>[   15.131903] cpu 18 spinlock event irq 161
>[   15.136021] installing Xen timer for CPU 19
>[   15.138852]   #19
>[   15.204083] cpu 19 spinlock event irq 167
>[   15.209974] installing Xen timer for CPU 20
>[   15.213713]   #20
>[   15.278964] cpu 20 spinlock event irq 173
>[   15.284908] installing Xen timer for CPU 21
>[   15.288649]   #21
>[   15.353877] cpu 21 spinlock event irq 179
>[   15.359809] installing Xen timer for CPU 22
>[   15.363577]   #22
>[   15.428784] cpu 22 spinlock event irq 185
>[   15.434425] installing Xen timer for CPU 23
>[   15.438012]   #23
>[   15.503252] cpu 23 spinlock event irq 191
>[   15.507728] installing Xen timer for CPU 24
>[   15.510426]   #24
>[   15.575681] cpu 24 spinlock event irq 197
>[   15.579986] installing Xen timer for CPU 25
>[   15.582609]   #25
>[   15.647873] cpu 25 spinlock event irq 203
>[   15.652210] installing Xen timer for CPU 26
>[   15.654964]   #26
>[   15.720203] cpu 26 spinlock event irq 209
>[   15.724602] installing Xen timer for CPU 27
>[   15.727337]   #27
>[   15.792575] cpu 27 spinlock event irq 215
>[   15.796976] installing Xen timer for CPU 28
>[   15.799716]   #28
>[   15.864930] cpu 28 spinlock event irq 221
>[   15.869378] installing Xen timer for CPU 29
>[   15.872075]   #29
>[   15.937321] cpu 29 spinlock event irq 227
>[   15.941702] installing Xen timer for CPU 30
>[   15.944442]   #30
>[   16.009670] cpu 30 spinlock event irq 233
>[   16.014061] installing Xen timer for CPU 31
>[   16.016767]   #31
>[   16.082000] cpu 31 spinlock event irq 239
>[   16.086224] smp: Brought up 1 node, 32 CPUs
>[   16.088847] smpboot: Total of 32 processors activated (154724.92 BogoMIPS)
>[   17.062123] node 0 initialised, 61910344 pages in 919ms
>[   17.070405] devtmpfs: initialized
>[   17.072739] x86/mm: Memory block size: 2048MB
>[   17.077918] evm: security.selinux
>[   17.080175] evm: security.ima
>[   17.082233] evm: security.capability
>[   17.084788] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
>[   17.090379] futex hash table entries: 32768 (order: 9, 2097152 bytes)
>[   17.094457] atomic64_test: passed for x86-64 platform with CX8 and with SSE
>[   17.098479] pinctrl core: initialized pinctrl subsystem
>[   17.102469] NET: Registered protocol family 16
>[   17.112124] cpuidle: using governor menu
>[   17.114711] PCCT header not found.
>[   17.117146] ACPI: bus type PCI registered
>[   17.119772] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
>[   17.123644] PCI: Using configuration type 1 for base access
>[   17.132351] HugeTLB registered 1 GB page size, pre-allocated 0 pages
>[   17.135921] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>[   17.140213] ACPI: Added _OSI(Module Device)
>[   17.142909] ACPI: Added _OSI(Processor Device)
>[   17.145694] ACPI: Added _OSI(3.0 _SCP Extensions)
>[   17.148586] ACPI: Added _OSI(Processor Aggregator Device)
>[   17.151888] xen: --> pirq=16 -> irq=9 (gsi=9)
>[   17.151909] xen:events: EVTCHNOP_bind_pirq: pirq: 16, flags: 0x1, rc=0 (port: 228)
>[   17.156499] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.10.0 #3
>[   17.159861] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   17.163372] Call Trace:
>[   17.165375]  dump_stack+0x63/0x87
>[   17.167710]  __startup_pirq+0xdb/0x170
>[   17.170222]  startup_pirq+0x11/0x20
>[   17.173464]  irq_startup+0x47/0x80
>[   17.176753]  ? alloc_cpumask_var_node+0x24/0x30
>[   17.180769]  __setup_irq+0x550/0x640
>[   17.184145]  request_threaded_irq+0x10d/0x1f0
>[   17.188030]  ? acpi_os_drop_map_ref+0x3b/0x3b
>[   17.191928]  ? acpi_ev_sci_dispatch+0x63/0x63
>[   17.195830]  acpi_os_install_interrupt_handler+0x9f/0xeb
>[   17.200181]  acpi_ev_install_sci_handler+0x23/0x25
>[   17.204362]  acpi_ev_install_xrupt_handlers+0x1c/0x6e
>[   17.208692]  acpi_enable_subsystem+0x88/0x91
>[   17.212519]  ? acpi_sleep_proc_init+0x28/0x28
>[   17.216418]  acpi_init+0xa9/0x345
>[   17.219647]  ? __class_create+0x51/0x80
>[   17.223205]  do_one_initcall+0x51/0x1b0
>[   17.226802]  ? parse_args+0x27b/0x460
>[   17.230243]  kernel_init_freeable+0x1aa/0x24e
>[   17.234118]  ? set_debug_rodata+0x12/0x12
>[   17.237793]  ? rest_init+0x80/0x80
>[   17.241076]  kernel_init+0xe/0x110
>[   17.244361]  ret_from_fork+0x2c/0x40
>[   17.253617] ACPI: Interpreter enabled
>[   17.257119] ACPI: (supports S0 S3 S4 S5)
>[   17.260756] ACPI: Using IOAPIC for interrupt routing
>[   17.265075] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[   17.322589] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
>[   17.327659] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
>[   17.333113] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
>[   17.338456] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
>[   17.348499] acpiphp: Slot [0] registered
>[   17.353052] acpiphp: Slot [3] registered
>[   17.357053] acpiphp: Slot [4] registered
>[   17.360853] acpiphp: Slot [5] registered
>[   17.364756] acpiphp: Slot [6] registered
>[   17.368709] acpiphp: Slot [7] registered
>[   17.372672] acpiphp: Slot [8] registered
>[   17.376644] acpiphp: Slot [9] registered
>[   17.380617] acpiphp: Slot [10] registered
>[   17.384641] acpiphp: Slot [11] registered
>[   17.388679] acpiphp: Slot [12] registered
>[   17.392712] acpiphp: Slot [13] registered
>[   17.396724] acpiphp: Slot [14] registered
>[   17.400753] acpiphp: Slot [15] registered
>[   17.404788] acpiphp: Slot [16] registered
>[   17.408825] acpiphp: Slot [17] registered
>[   17.412870] acpiphp: Slot [18] registered
>[   17.416941] acpiphp: Slot [19] registered
>[   17.420994] acpiphp: Slot [20] registered
>[   17.425023] acpiphp: Slot [21] registered
>[   17.429061] acpiphp: Slot [22] registered
>[   17.433085] acpiphp: Slot [23] registered
>[   17.437132] acpiphp: Slot [24] registered
>[   17.441161] acpiphp: Slot [25] registered
>[   17.445200] acpiphp: Slot [26] registered
>[   17.449223] acpiphp: Slot [27] registered
>[   17.453292] acpiphp: Slot [28] registered
>[   17.457055] acpiphp: Slot [29] registered
>[   17.460832] acpiphp: Slot [30] registered
>[   17.464613] acpiphp: Slot [31] registered
>[   17.468383] PCI host bridge to bus 0000:00
>[   17.471842] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
>[   17.476855] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
>[   17.481886] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
>[   17.487930] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfbffffff window]
>[   17.493946] pci_bus 0000:00: root bus resource [bus 00-ff]
>[   17.498402] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
>[   17.500422] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
>[   17.503389] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
>[   17.504911] pci 0000:00:01.1: reg 0x20: [io  0xc100-0xc10f]
>[   17.505603] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
>[   17.511202] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
>[   17.516463] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
>[   17.522077] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
>[   17.528151] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
>[   17.528195] * Found PM-Timer Bug on the chipset. Due to workarounds for a bug,
>* this clock source is slow. Consider trying other clock sources
>[   17.541374] pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
>[   17.548885] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000
>[   17.549291] pci 0000:00:02.0: reg 0x10: [mem 0x80000000-0x81ffffff pref]
>[   17.549606] pci 0000:00:02.0: reg 0x14: [mem 0x83018000-0x83018fff]
>[   17.553412] pci 0000:00:1b.0: [1d0f:cd01] type 00 class 0x010802
>[   17.554051] pci 0000:00:1b.0: reg 0x10: [mem 0x83000000-0x83003fff 64bit pref]
>[   17.554572] pci 0000:00:1b.0: reg 0x18: [mem 0x83010000-0x83011fff 64bit pref]
>[   17.557617] pci 0000:00:1c.0: [1d0f:cd01] type 00 class 0x010802
>[   17.558243] pci 0000:00:1c.0: reg 0x10: [mem 0x83004000-0x83007fff 64bit pref]
>[   17.558767] pci 0000:00:1c.0: reg 0x18: [mem 0x83012000-0x83013fff 64bit pref]
>[   17.561799] pci 0000:00:1d.0: [1d0f:cd01] type 00 class 0x010802
>[   17.562425] pci 0000:00:1d.0: reg 0x10: [mem 0x83008000-0x8300bfff 64bit pref]
>[   17.562944] pci 0000:00:1d.0: reg 0x18: [mem 0x83014000-0x83015fff 64bit pref]
>[   17.565966] pci 0000:00:1e.0: [1d0f:cd01] type 00 class 0x010802
>[   17.566591] pci 0000:00:1e.0: reg 0x10: [mem 0x8300c000-0x8300ffff 64bit pref]
>[   17.567111] pci 0000:00:1e.0: reg 0x18: [mem 0x83016000-0x83017fff 64bit pref]
>[   17.569934] pci 0000:00:1f.0: [5853:0001] type 00 class 0xff8000
>[   17.570353] pci 0000:00:1f.0: reg 0x10: [io  0xc000-0xc0ff]
>[   17.570640] pci 0000:00:1f.0: reg 0x14: [mem 0x82000000-0x82ffffff pref]
>[   17.572957] ACPI: PCI Interrupt Link [LNKA] (IRQs *5 10 11)
>[   17.577592] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
>[   17.582196] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
>[   17.586794] ACPI: PCI Interrupt Link [LNKD] (IRQs *5 10 11)
>[   17.609099] ACPI: Enabled 2 GPEs in block 00 to 0F
>[   17.614429] xen:balloon: Initialising balloon driver
>[   17.620463] xen_balloon: Initialising balloon driver
>[   17.625004] pci 0000:00:02.0: vgaarb: setting as boot VGA device
>[   17.629964] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
>[   17.637094] pci 0000:00:02.0: vgaarb: bridge control possible
>[   17.641865] vgaarb: loaded
>[   17.644762] SCSI subsystem initialized
>[   17.661595] ACPI: bus type USB registered
>[   17.665260] usbcore: registered new interface driver usbfs
>[   17.669902] usbcore: registered new interface driver hub
>[   17.674536] usbcore: registered new device driver usb
>[   17.679114] PCI: Using ACPI for IRQ routing
>[   17.682897] PCI: pci_cache_line_size set to 64 bytes
>[   17.683874] e820: reserve RAM buffer [mem 0x0009e000-0x0009ffff]
>[   17.683998] NetLabel: Initializing
>[   17.687070] NetLabel:  domain hash size = 128
>[   17.690775] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
>[   17.695257] NetLabel:  unlabeled traffic allowed by default
>[   17.699873] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
>[   17.705190] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
>[   17.709205] hpet0: 3 comparators, 64-bit 62.500000 MHz counter
>[   17.716556] clocksource: Switched to clocksource xen
>[   17.728235] VFS: Disk quotas dquot_6.6.0
>[   17.731935] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>[   17.737443] pnp: PnP ACPI init
>[   17.740510] system 00:00: [mem 0x00000000-0x0009ffff] could not be reserved
>[   17.745993] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
>[   17.746055] system 00:01: [io  0x08a0-0x08a3] has been reserved
>[   17.750878] system 00:01: [io  0x0cc0-0x0ccf] has been reserved
>[   17.755679] system 00:01: [io  0x04d0-0x04d1] has been reserved
>[   17.760297] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
>[   17.760320] xen: --> pirq=17 -> irq=8 (gsi=8)
>[   17.760335] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active)
>[   17.760354] xen: --> pirq=18 -> irq=12 (gsi=12)
>[   17.760365] pnp 00:03: Plug and Play ACPI device, IDs PNP0f13 (active)
>[   17.760381] xen: --> pirq=19 -> irq=1 (gsi=1)
>[   17.760391] pnp 00:04: Plug and Play ACPI device, IDs PNP0303 PNP030b (active)
>[   17.760407] xen: --> pirq=20 -> irq=6 (gsi=6)
>[   17.760408] pnp 00:05: [dma 2]
>[   17.760418] pnp 00:05: Plug and Play ACPI device, IDs PNP0700 (active)
>[   17.760439] xen: --> pirq=21 -> irq=4 (gsi=4)
>[   17.760449] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
>[   17.760486] system 00:07: [io  0x10c0-0x1141] has been reserved
>[   17.765263] system 00:07: [io  0xb044-0xb047] has been reserved
>[   17.770200] system 00:07: Plug and Play ACPI device, IDs PNP0c02 (active)
>[   17.788413] pnp: PnP ACPI: found 8 devices
>[   17.798367] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
>[   17.805723] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
>[   17.805724] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
>[   17.805725] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
>[   17.805726] pci_bus 0000:00: resource 7 [mem 0x80000000-0xfbffffff window]
>[   17.805916] NET: Registered protocol family 2
>[   17.810477] TCP established hash table entries: 524288 (order: 10, 4194304 bytes)
>[   17.817547] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
>[   17.823139] TCP: Hash tables configured (established 524288 bind 65536)
>[   17.828488] UDP hash table entries: 65536 (order: 9, 2097152 bytes)
>[   17.833520] UDP-Lite hash table entries: 65536 (order: 9, 2097152 bytes)
>[   17.839174] NET: Registered protocol family 1
>[   17.843015] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
>[   17.847875] pci 0000:00:01.0: PIIX3: Enabling Passive Release
>[   17.852718] pci 0000:00:01.0: Activating ISA DMA hang workarounds
>[   17.857836] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
>[   17.864856] PCI: CLS 0 bytes, default 64
>[   17.864891] Unpacking initramfs...
>[   18.380960] Freeing initrd memory: 39448K
>[   18.384514] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
>[   18.391115] software IO TLB [mem 0x7c000000-0x80000000] (64MB) mapped at [ffff88007c000000-ffff88007fffffff]
>[   18.403176] RAPL PMU: API unit is 2^-32 Joules, 4 fixed counters, 655360 ms ovfl timer
>[   18.413299] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules
>[   18.420727] RAPL PMU: hw unit of domain package 2^-14 Joules
>[   18.427974] RAPL PMU: hw unit of domain dram 2^-14 Joules
>[   18.434713] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules
>[   18.446012] audit: initializing netlink subsys (disabled)
>[   18.453310] audit: type=2000 audit(1492624514.587:1): initialized
>[   18.453557] Initialise system trusted keyrings
>[   18.453798] workingset: timestamp_bits=36 max_order=26 bucket_order=0
>[   18.454983] zbud: loaded
>[   18.455391] SELinux:  Registering netfilter hooks
>[   18.521253] NET: Registered protocol family 38
>[   18.525331] Key type asymmetric registered
>[   18.529046] Asymmetric key parser 'x509' registered
>[   18.535717] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
>[   18.545707] io scheduler noop registered
>[   18.551298] io scheduler deadline registered (default)
>[   18.558206] io scheduler cfq registered
>[   18.564004] intel_idle: MWAIT substates: 0x2120
>[   18.564005] intel_idle: v0.4.1 model 0x4F
>[   18.565083] intel_idle: lapic_timer_reliable_states 0x2
>[   18.565176] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
>[   18.575173] ACPI: Power Button [PWRF]
>[   18.580560] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
>[   18.587191] ACPI: Sleep Button [SLPF]
>[   18.591465] GHES: HEST is not enabled!
>[   18.595640] xen: --> pirq=22 -> irq=47 (gsi=47)
>[   18.595748] xen:grant_table: Grant tables using version 1 layout
>[   18.600955] Grant table initialized
>[   18.604588] Cannot get hvm parameter CONSOLE_EVTCHN (18): -22!
>[   18.609760] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>[   18.644186] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
>[   18.652558] Non-volatile memory driver v1.3
>[   18.658457] Linux agpgart interface v0.103
>[   18.667428] rdac: device handler registered
>[   18.673518] hp_sw: device handler registered
>[   18.679701] emc: device handler registered
>[   18.685946] alua: device handler registered
>[   18.692040] libphy: Fixed MDIO Bus: probed
>[   18.698068] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[   18.701701] ehci-pci: EHCI PCI platform driver
>[   18.704541] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>[   18.708051] ohci-pci: OHCI PCI platform driver
>[   18.710843] uhci_hcd: USB Universal Host Controller Interface driver
>[   18.714476] usbcore: registered new interface driver usbserial
>[   18.717894] usbcore: registered new interface driver usbserial_generic
>[   18.721493] usbserial: USB Serial support registered for generic
>[   18.725008] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
>[   18.730761] xen:events: EVTCHNOP_bind_pirq: pirq: 18, flags: 0x0, rc=0 (port: 229)
>[   18.735532] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0 #3
>[   18.739020] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   18.742696] Call Trace:
>[   18.744833]  dump_stack+0x63/0x87
>[   18.747335]  __startup_pirq+0xdb/0x170
>[   18.750020]  startup_pirq+0x11/0x20
>[   18.752503]  irq_startup+0x47/0x80
>[   18.755010]  ? alloc_cpumask_var_node+0x24/0x30
>[   18.757980]  __setup_irq+0x550/0x640
>[   18.760505]  request_threaded_irq+0x10d/0x1f0
>[   18.763360]  i8042_probe+0x28f/0x6be
>[   18.765940]  ? acpi_dev_pm_attach+0x20/0xa9
>[   18.768716]  platform_drv_probe+0x3b/0xa0
>[   18.771404]  driver_probe_device+0x2c5/0x470
>[   18.774256]  __driver_attach+0xdd/0xe0
>[   18.776846]  ? driver_probe_device+0x470/0x470
>[   18.779747]  bus_for_each_dev+0x6c/0xc0
>[   18.782349]  driver_attach+0x1e/0x20
>[   18.784899]  bus_add_driver+0x45/0x270
>[   18.787526]  driver_register+0x60/0xe0
>[   18.790149]  __platform_driver_probe+0x60/0x100
>[   18.793066]  __platform_create_bundle+0xac/0xd0
>[   18.796002]  ? i8042_toggle_aux+0x8f/0x8f
>[   18.798695]  i8042_init+0x42f/0x47b
>[   18.801218]  ? i8042_probe+0x6be/0x6be
>[   18.803782]  do_one_initcall+0x51/0x1b0
>[   18.806432]  ? parse_args+0x27b/0x460
>[   18.809031]  kernel_init_freeable+0x1aa/0x24e
>[   18.811841]  ? set_debug_rodata+0x12/0x12
>[   18.814587]  ? rest_init+0x80/0x80
>[   18.817065]  kernel_init+0xe/0x110
>[   18.819572]  ret_from_fork+0x2c/0x40
>[   18.822325] xen:events: shutdown_pirq: irq 12 evtchn 229
>[   18.825598] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0 #3
>[   18.829065] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   18.832632] Call Trace:
>[   18.834722]  dump_stack+0x63/0x87
>[   18.837135]  shutdown_pirq+0x4d/0x80
>[   18.839655]  irq_shutdown+0x36/0x70
>[   18.842152]  __free_irq+0x206/0x2b0
>[   18.844681]  free_irq+0x39/0x90
>[   18.846954]  i8042_probe+0x3a4/0x6be
>[   18.849436]  ? acpi_dev_pm_attach+0x20/0xa9
>[   18.852112]  platform_drv_probe+0x3b/0xa0
>[   18.854784]  driver_probe_device+0x2c5/0x470
>[   18.857547]  __driver_attach+0xdd/0xe0
>[   18.860062]  ? driver_probe_device+0x470/0x470
>[   18.862858]  bus_for_each_dev+0x6c/0xc0
>[   18.865438]  driver_attach+0x1e/0x20
>[   18.867937]  bus_add_driver+0x45/0x270
>[   18.870414]  driver_register+0x60/0xe0
>[   18.872885]  __platform_driver_probe+0x60/0x100
>[   18.875732]  __platform_create_bundle+0xac/0xd0
>[   18.878599]  ? i8042_toggle_aux+0x8f/0x8f
>[   18.881208]  i8042_init+0x42f/0x47b
>[   18.883659]  ? i8042_probe+0x6be/0x6be
>[   18.886211]  do_one_initcall+0x51/0x1b0
>[   18.888808]  ? parse_args+0x27b/0x460
>[   18.891310]  kernel_init_freeable+0x1aa/0x24e
>[   18.894079]  ? set_debug_rodata+0x12/0x12
>[   18.896728]  ? rest_init+0x80/0x80
>[   18.899148]  kernel_init+0xe/0x110
>[   18.901509]  ret_from_fork+0x2c/0x40
>[   18.903958] xen:events: xen_irq_info_cleanup: 229
>[   18.906864] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0 #3
>[   18.910269] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   18.913749] Call Trace:
>[   18.915744]  dump_stack+0x63/0x87
>[   18.918147]  xen_irq_info_cleanup.isra.8+0x22/0x40
>[   18.921105]  shutdown_pirq+0x70/0x80
>[   18.923557]  irq_shutdown+0x36/0x70
>[   18.926011]  __free_irq+0x206/0x2b0
>[   18.928465]  free_irq+0x39/0x90
>[   18.930733]  i8042_probe+0x3a4/0x6be
>[   18.933162]  ? acpi_dev_pm_attach+0x20/0xa9
>[   18.935882]  platform_drv_probe+0x3b/0xa0
>[   18.938539]  driver_probe_device+0x2c5/0x470
>[   18.941268]  __driver_attach+0xdd/0xe0
>[   18.943747]  ? driver_probe_device+0x470/0x470
>[   18.946587]  bus_for_each_dev+0x6c/0xc0
>[   18.949124]  driver_attach+0x1e/0x20
>[   18.951589]  bus_add_driver+0x45/0x270
>[   18.954114]  driver_register+0x60/0xe0
>[   18.956918]  __platform_driver_probe+0x60/0x100
>[   18.960208]  __platform_create_bundle+0xac/0xd0
>[   18.963353]  ? i8042_toggle_aux+0x8f/0x8f
>[   18.979865]  i8042_init+0x42f/0x47b
>[   18.982253]  ? i8042_probe+0x6be/0x6be
>[   18.984780]  do_one_initcall+0x51/0x1b0
>[   18.987379]  ? parse_args+0x27b/0x460
>[   18.989879]  kernel_init_freeable+0x1aa/0x24e
>[   18.992634]  ? set_debug_rodata+0x12/0x12
>[   18.995244]  ? rest_init+0x80/0x80
>[   18.997646]  kernel_init+0xe/0x110
>[   19.000023]  ret_from_fork+0x2c/0x40
>[   19.002814] xen:events: EVTCHNOP_bind_pirq: pirq: 18, flags: 0x0, rc=0 (port: 229)
>[   19.007464] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0 #3
>[   19.010813] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   19.014311] Call Trace:
>[   19.016367]  dump_stack+0x63/0x87
>[   19.018698]  __startup_pirq+0xdb/0x170
>[   19.021190]  startup_pirq+0x11/0x20
>[   19.023541]  irq_startup+0x47/0x80
>[   19.025912]  ? alloc_cpumask_var_node+0x24/0x30
>[   19.028766]  __setup_irq+0x550/0x640
>[   19.031233]  request_threaded_irq+0x10d/0x1f0
>[   19.033952]  ? i8042_dritek_enable+0x60/0x60
>[   19.036695]  i8042_probe+0x48a/0x6be
>[   19.039146]  ? acpi_dev_pm_attach+0x20/0xa9
>[   19.041817]  platform_drv_probe+0x3b/0xa0
>[   19.044460]  driver_probe_device+0x2c5/0x470
>[   19.047176]  __driver_attach+0xdd/0xe0
>[   19.049700]  ? driver_probe_device+0x470/0x470
>[   19.052459]  bus_for_each_dev+0x6c/0xc0
>[   19.054998]  driver_attach+0x1e/0x20
>[   19.057495]  bus_add_driver+0x45/0x270
>[   19.060016]  driver_register+0x60/0xe0
>[   19.062527]  __platform_driver_probe+0x60/0x100
>[   19.065359]  __platform_create_bundle+0xac/0xd0
>[   19.068235]  ? i8042_toggle_aux+0x8f/0x8f
>[   19.070812]  i8042_init+0x42f/0x47b
>[   19.073231]  ? i8042_probe+0x6be/0x6be
>[   19.075749]  do_one_initcall+0x51/0x1b0
>[   19.078343]  ? parse_args+0x27b/0x460
>[   19.080772]  kernel_init_freeable+0x1aa/0x24e
>[   19.083512]  ? set_debug_rodata+0x12/0x12
>[   19.086129]  ? rest_init+0x80/0x80
>[   19.088535]  kernel_init+0xe/0x110
>[   19.090974]  ret_from_fork+0x2c/0x40
>[   19.093456] xen:events: EVTCHNOP_bind_pirq: pirq: 19, flags: 0x0, rc=0 (port: 230)
>[   19.098406] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.10.0 #3
>[   19.101737] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   19.105200] Call Trace:
>[   19.107225]  dump_stack+0x63/0x87
>[   19.109624]  __startup_pirq+0xdb/0x170
>[   19.112125]  startup_pirq+0x11/0x20
>[   19.114512]  irq_startup+0x47/0x80
>[   19.116908]  ? alloc_cpumask_var_node+0x24/0x30
>[   19.119723]  __setup_irq+0x550/0x640
>[   19.122181]  request_threaded_irq+0x10d/0x1f0
>[   19.124917]  ? i8042_dritek_enable+0x60/0x60
>[   19.127656]  i8042_probe+0x5d5/0x6be
>[   19.130076]  ? acpi_dev_pm_attach+0x20/0xa9
>[   19.132772]  platform_drv_probe+0x3b/0xa0
>[   19.135368]  driver_probe_device+0x2c5/0x470
>[   19.138145]  __driver_attach+0xdd/0xe0
>[   19.140634]  ? driver_probe_device+0x470/0x470
>[   19.143406]  bus_for_each_dev+0x6c/0xc0
>[   19.145952]  driver_attach+0x1e/0x20
>[   19.148431]  bus_add_driver+0x45/0x270
>[   19.150905]  driver_register+0x60/0xe0
>[   19.153427]  __platform_driver_probe+0x60/0x100
>[   19.156262]  __platform_create_bundle+0xac/0xd0
>[   19.159110]  ? i8042_toggle_aux+0x8f/0x8f
>[   19.161778]  i8042_init+0x42f/0x47b
>[   19.164207]  ? i8042_probe+0x6be/0x6be
>[   19.166737]  do_one_initcall+0x51/0x1b0
>[   19.169317]  ? parse_args+0x27b/0x460
>[   19.171772]  kernel_init_freeable+0x1aa/0x24e
>[   19.174526]  ? set_debug_rodata+0x12/0x12
>[   19.177152]  ? rest_init+0x80/0x80
>[   19.179514]  kernel_init+0xe/0x110
>[   19.181947]  ret_from_fork+0x2c/0x40
>[   19.184488] serio: i8042 KBD port at 0x60,0x64 irq 1
>[   19.187528] serio: i8042 AUX port at 0x60,0x64 irq 12
>[   19.190753] mousedev: PS/2 mouse device common for all mice
>[   19.194732] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
>[   19.194817] rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0
>[   19.194891] xen:events: EVTCHNOP_bind_pirq: pirq: 17, flags: 0x0, rc=0 (port: 231)
>[   19.194892] CPU: 16 PID: 1 Comm: swapper/0 Not tainted 4.10.0 #3
>[   19.194893] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   19.194894] Call Trace:
>[   19.194897]  dump_stack+0x63/0x87
>[   19.194899]  __startup_pirq+0xdb/0x170
>[   19.194901]  startup_pirq+0x11/0x20
>[   19.194903]  irq_startup+0x47/0x80
>[   19.194904]  ? alloc_cpumask_var_node+0x24/0x30
>[   19.194906]  __setup_irq+0x550/0x640
>[   19.194907]  request_threaded_irq+0x10d/0x1f0
>[   19.194909]  cmos_do_probe+0x1eb/0x450
>[   19.194911]  ? cmos_do_probe+0x450/0x450
>[   19.194912]  cmos_pnp_probe+0x6d/0xb0
>[   19.194916]  pnp_device_probe+0x61/0xc0
>[   19.194918]  driver_probe_device+0x2c5/0x470
>[   19.194920]  __driver_attach+0xdd/0xe0
>[   19.194922]  ? driver_probe_device+0x470/0x470
>[   19.194923]  bus_for_each_dev+0x6c/0xc0
>[   19.194925]  driver_attach+0x1e/0x20
>[   19.194926]  bus_add_driver+0x45/0x270
>[   19.194928]  driver_register+0x60/0xe0
>[   19.194930]  ? rtc_dev_init+0x32/0x32
>[   19.194932]  pnp_register_driver+0x20/0x30
>[   19.194934]  cmos_init+0x11/0x73
>[   19.194936]  do_one_initcall+0x51/0x1b0
>[   19.194938]  ? parse_args+0x27b/0x460
>[   19.194941]  kernel_init_freeable+0x1aa/0x24e
>[   19.194942]  ? set_debug_rodata+0x12/0x12
>[   19.194945]  ? rest_init+0x80/0x80
>[   19.194946]  kernel_init+0xe/0x110
>[   19.194948]  ret_from_fork+0x2c/0x40
>[   19.194968] rtc_cmos 00:02: alarms up to one day, 114 bytes nvram, hpet irqs
>[   19.194992] intel_pstate: Intel P-state driver initializing
>[   19.204711] hidraw: raw HID events driver (C) Jiri Kosina
>[   19.204919] usbcore: registered new interface driver usbhid
>[   19.204920] usbhid: USB HID core driver
>[   19.205253] drop_monitor: Initializing network drop monitor service
>[   19.205560] Initializing XFRM netlink socket
>[   19.205937] NET: Registered protocol family 10
>[   19.207443] Segment Routing with IPv6
>[   19.207470] NET: Registered protocol family 17
>[   19.417438] registered taskstats version 1
>[   19.421557] Loading compiled-in X.509 certificates
>[   19.429443] alg: No test for pkcs1pad(rsa,sha256) (pkcs1pad(rsa-generic,sha256))
>[   19.438628] Loaded X.509 cert 'Build time autogenerated kernel key: 1c04a740a18648784c8746790ce40b5f11db71bb'
>[   19.447724] zswap: loaded using pool lzo/zbud
>[   19.451700] tsc: Refined TSC clocksource calibration: 2300.001 MHz
>[   19.451827] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735f0517, max_idle_ns: 440795237604 ns
>[   19.470466] Key type big_key registered
>[   19.477071] Key type trusted registered
>[   19.483844] Key type encrypted registered
>[   19.487898] ima: No TPM chip found, activating TPM-bypass! (rc=-19)
>[   19.493595] evm: HMAC attrs: 0x1
>[   19.498751] xenbus_probe_frontend: Device with no driver: device/vbd/768
>[   19.504490] xenbus_probe_frontend: Device with no driver: device/vif/0
>[   19.510061] xenbus_probe_frontend: Device with no driver: device/pci/0
>[   19.515654] rtc_cmos 00:02: setting system clock to 2017-04-19 17:55:16 UTC (1492624516)
>[   19.524249] Freeing unused kernel memory: 2140K
>[   19.528453] Write protecting the kernel read-only data: 12288k
>[   19.534413] Freeing unused kernel memory: 764K
>[   19.540656] Freeing unused kernel memory: 912K
>[   19.560143] systemd[1]: systemd 219 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
>[   19.575266] systemd[1]: Detected virtualization xen.
>[   19.579915] systemd[1]: Detected architecture x86-64.
>[   19.584771] systemd[1]: Running in initial RAM disk.
>[   19.595895] systemd[1]: Set hostname to <ip-172-31-7-115.us-west-2.compute.internal>.
>[   19.647806] systemd[1]: Reached target Timers.
>[   19.652032] systemd[1]: Starting Timers.
>[   19.655904] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
>[   19.663101] systemd[1]: Starting Dispatch Password Requests to Console Directory Watch.
>[   19.674236] systemd[1]: Reached target Paths.
>[   19.727091] xen_netfront: Initialising Xen virtual ethernet driver
>[   19.886800] FUJITSU Extended Socket Network Device Driver - version 1.2 - Copyright (c) 2015 FUJITSU LIMITED
>[   19.888519] xen:events: EVTCHNOP_bind_pirq: pirq: 20, flags: 0x0, rc=0 (port: 248)
>[   19.888521] CPU: 29 PID: 482 Comm: systemd-udevd Not tainted 4.10.0 #3
>[   19.888523] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   19.888524] Call Trace:
>[   19.888531]  dump_stack+0x63/0x87
>[   19.888536]  __startup_pirq+0xdb/0x170
>[   19.888539]  startup_pirq+0x11/0x20
>[   19.888542]  irq_startup+0x47/0x80
>[   19.888545]  ? alloc_cpumask_var_node+0x24/0x30
>[   19.888547]  __setup_irq+0x550/0x640
>[   19.888550]  request_threaded_irq+0x10d/0x1f0
>[   19.888555]  floppy_module_init+0x5cd/0xecf [floppy]
>[   19.888559]  ? netlink_broadcast_filtered+0x139/0x3f0
>[   19.888564]  ? vunmap_page_range+0x1e0/0x320
>[   19.888568]  ? set_cmos+0x6e/0x6e [floppy]
>[   19.888572]  do_one_initcall+0x51/0x1b0
>[   19.888576]  ? kmem_cache_alloc_trace+0x14b/0x1b0
>[   19.888580]  do_init_module+0x60/0x1fa
>[   19.888583]  load_module+0x15f6/0x1af0
>[   19.888586]  ? __symbol_put+0x60/0x60
>[   19.888589]  ? ima_post_read_file+0x3d/0x80
>[   19.888620]  ? security_kernel_post_read_file+0x6b/0x80
>[   19.888623]  SYSC_finit_module+0xa6/0xf0
>[   19.888626]  SyS_finit_module+0xe/0x10
>[   19.888631]  entry_SYSCALL_64_fastpath+0x1a/0xa9
>[   19.888633] RIP: 0033:0x7f02144dabf9
>[   19.888634] RSP: 002b:00007fff22b29758 EFLAGS: 00000202 ORIG_RAX: 0000000000000139
>[   19.888637] RAX: ffffffffffffffda RBX: 00007f02158855ab RCX: 00007f02144dabf9
>[   19.888638] RDX: 0000000000000000 RSI: 00007f0214df5cf9 RDI: 0000000000000007
>[   19.888639] RBP: 00005573a1cbb360 R08: 0000000000000000 R09: 0000000000000000
>[   19.888640] R10: 0000000000000007 R11: 0000000000000202 R12: 00005573a1ce4130
>[   19.888641] R13: 00005573a1ce4130 R14: 0000000000000000 R15: 000000000000000b
>[   19.904321] FDC 0 is a S82078B
>[   20.064554] libata version 3.00 loaded.
>[   20.066362] nvme nvme0: pci function 0000:00:1b.0
>[   20.066408] nvme nvme1: pci function 0000:00:1c.0
>[   20.066456] nvme nvme2: pci function 0000:00:1d.0
>[   20.066502] nvme nvme3: pci function 0000:00:1e.0
>[   20.066975] blkfront: xvda: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;
>[   20.067371] xen: --> pirq=11 -> irq=35 (gsi=35)
>[   20.067416] xen: --> pirq=11 -> irq=31 (gsi=31)
>[   20.068008] xen: --> pirq=11 -> irq=43 (gsi=43)
>[   20.068037] xen: --> pirq=11 -> irq=39 (gsi=39)
>[   20.070151] ata_piix 0000:00:01.1: version 2.13
>[   20.071093]  xvda: xvda1 xvda2
>[   20.073703] scsi host0: ata_piix
>[   20.073795] scsi host1: ata_piix
>[   20.073824] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc100 irq 14
>[   20.073825] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc108 irq 15
>[   20.289474] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4
>[   20.291622] xen:events: EVTCHNOP_bind_pirq: pirq: 581, flags: 0x0, rc=0 (port: 250)
>[   20.291624] CPU: 23 PID: 558 Comm: kworker/u256:3 Not tainted 4.10.0 #3
>[   20.291625] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.291627] Workqueue: nvme nvme_reset_work [nvme]
>[   20.291628] Call Trace:
>[   20.291633]  dump_stack+0x63/0x87
>[   20.291637]  __startup_pirq+0xdb/0x170
>[   20.291638]  startup_pirq+0x11/0x20
>[   20.291641]  irq_startup+0x47/0x80
>[   20.291642]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.291644]  __setup_irq+0x550/0x640
>[   20.291645]  request_threaded_irq+0x10d/0x1f0
>[   20.291647]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.291648]  nvme_reset_work+0x339/0x900 [nvme]
>[   20.291651]  process_one_work+0x165/0x410
>[   20.291652]  worker_thread+0x137/0x4c0
>[   20.291654]  kthread+0x101/0x140
>[   20.291655]  ? rescuer_thread+0x3b0/0x3b0
>[   20.291656]  ? kthread_park+0x90/0x90
>[   20.291660] xen:events: EVTCHNOP_bind_pirq: pirq: 580, flags: 0x0, rc=0 (port: 251)
>[   20.291665]  ret_from_fork+0x2c/0x40
>[   20.291669] CPU: 6 PID: 557 Comm: kworker/u256:2 Not tainted 4.10.0 #3
>[   20.291671] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.291673] xen:events: EVTCHNOP_bind_pirq: pirq: 582, flags: 0x0, rc=0 (port: 252)
>[   20.291678] Workqueue: nvme nvme_reset_work [nvme]
>[   20.291683] xen:events: EVTCHNOP_bind_pirq: pirq: 583, flags: 0x0, rc=0 (port: 253)
>[   20.291687] Call Trace:
>[   20.291694]  dump_stack+0x63/0x87
>[   20.291700]  __startup_pirq+0xdb/0x170
>[   20.291704]  startup_pirq+0x11/0x20
>[   20.291708]  irq_startup+0x47/0x80
>[   20.291712]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.291715]  __setup_irq+0x550/0x640
>[   20.291719]  request_threaded_irq+0x10d/0x1f0
>[   20.291724]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.291729]  nvme_reset_work+0x339/0x900 [nvme]
>[   20.291733]  process_one_work+0x165/0x410
>[   20.291737]  worker_thread+0x137/0x4c0
>[   20.291741]  kthread+0x101/0x140
>[   20.291744]  ? rescuer_thread+0x3b0/0x3b0
>[   20.291748]  ? kthread_park+0x90/0x90
>[   20.291753]  ret_from_fork+0x2c/0x40
>[   20.291756] CPU: 2 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.291757] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.291761] Workqueue: nvme nvme_reset_work [nvme]
>[   20.291762] Call Trace:
>[   20.291767]  dump_stack+0x63/0x87
>[   20.291770]  __startup_pirq+0xdb/0x170
>[   20.291772]  startup_pirq+0x11/0x20
>[   20.291774]  irq_startup+0x47/0x80
>[   20.291776]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.291778]  __setup_irq+0x550/0x640
>[   20.291780]  request_threaded_irq+0x10d/0x1f0
>[   20.291782]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.291785]  nvme_reset_work+0x339/0x900 [nvme]
>[   20.291788]  process_one_work+0x165/0x410
>[   20.291790]  worker_thread+0x137/0x4c0
>[   20.291793]  kthread+0x101/0x140
>[   20.291795]  ? rescuer_thread+0x3b0/0x3b0
>[   20.291798]  ? kthread_park+0x90/0x90
>[   20.291801]  ret_from_fork+0x2c/0x40
>[   20.291806] CPU: 5 PID: 278 Comm: kworker/u256:1 Not tainted 4.10.0 #3
>[   20.291807] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.291812] Workqueue: nvme nvme_reset_work [nvme]
>[   20.291814] Call Trace:
>[   20.291818]  dump_stack+0x63/0x87
>[   20.291821]  __startup_pirq+0xdb/0x170
>[   20.291824]  startup_pirq+0x11/0x20
>[   20.291826]  irq_startup+0x47/0x80
>[   20.291828]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.291831]  __setup_irq+0x550/0x640
>[   20.291833]  request_threaded_irq+0x10d/0x1f0
>[   20.291836]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.291838]  nvme_reset_work+0x339/0x900 [nvme]
>[   20.291840]  process_one_work+0x165/0x410
>[   20.291842]  worker_thread+0x137/0x4c0
>[   20.291846]  kthread+0x101/0x140
>[   20.291848]  ? rescuer_thread+0x3b0/0x3b0
>[   20.291852]  ? kthread_park+0x90/0x90
>[   20.291855]  ret_from_fork+0x2c/0x40
>[   20.292116] xen:events: shutdown_pirq: irq 260 evtchn 250
>[   20.292118] CPU: 7 PID: 558 Comm: kworker/u256:3 Not tainted 4.10.0 #3
>[   20.292118] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.292121] Workqueue: nvme nvme_reset_work [nvme]
>[   20.292122] Call Trace:
>[   20.292124]  dump_stack+0x63/0x87
>[   20.292126]  shutdown_pirq+0x4d/0x80
>[   20.292128]  irq_shutdown+0x36/0x70
>[   20.292129]  __free_irq+0x206/0x2b0
>[   20.292131]  free_irq+0x39/0x90
>[   20.292132]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.292135]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292138]  ? kfree+0x122/0x170
>[   20.292139]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292141]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.292143]  process_one_work+0x165/0x410
>[   20.292144]  worker_thread+0x137/0x4c0
>[   20.292147]  kthread+0x101/0x140
>[   20.292149]  ? rescuer_thread+0x3b0/0x3b0
>[   20.292151]  ? kthread_park+0x90/0x90
>[   20.292153]  ret_from_fork+0x2c/0x40
>[   20.292173] xen:events: xen_irq_info_cleanup: 250
>[   20.292174] CPU: 7 PID: 558 Comm: kworker/u256:3 Not tainted 4.10.0 #3
>[   20.292175] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.292179] Workqueue: nvme nvme_reset_work [nvme]
>[   20.292180] Call Trace:
>[   20.292182]  dump_stack+0x63/0x87
>[   20.292184]  xen_irq_info_cleanup.isra.8+0x22/0x40
>[   20.292186]  shutdown_pirq+0x70/0x80
>[   20.292188]  irq_shutdown+0x36/0x70
>[   20.292189]  __free_irq+0x206/0x2b0
>[   20.292190]  free_irq+0x39/0x90
>[   20.292192]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.292193]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292195]  ? kfree+0x122/0x170
>[   20.292196]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292198]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.292199]  process_one_work+0x165/0x410
>[   20.292200]  worker_thread+0x137/0x4c0
>[   20.292201]  kthread+0x101/0x140
>[   20.292202]  ? rescuer_thread+0x3b0/0x3b0
>[   20.292204]  ? kthread_park+0x90/0x90
>[   20.292205]  ret_from_fork+0x2c/0x40
>[   20.292371] xen:events: shutdown_pirq: irq 259 evtchn 252
>[   20.292372] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.292373] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.292375] Workqueue: nvme nvme_reset_work [nvme]
>[   20.292376] Call Trace:
>[   20.292378]  dump_stack+0x63/0x87
>[   20.292380]  shutdown_pirq+0x4d/0x80
>[   20.292382]  irq_shutdown+0x36/0x70
>[   20.292383]  __free_irq+0x206/0x2b0
>[   20.292384]  free_irq+0x39/0x90
>[   20.292386]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.292388]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292390]  ? kfree+0x122/0x170
>[   20.292392]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292393]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.292395]  process_one_work+0x165/0x410
>[   20.292396]  worker_thread+0x137/0x4c0
>[   20.292397]  kthread+0x101/0x140
>[   20.292398]  ? rescuer_thread+0x3b0/0x3b0
>[   20.292400]  ? kthread_park+0x90/0x90
>[   20.292402]  ret_from_fork+0x2c/0x40
>[   20.292405] xen:events: xen_irq_info_cleanup: 252
>[   20.292406] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.292406] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.292407] Workqueue: nvme nvme_reset_work [nvme]
>[   20.292408] Call Trace:
>[   20.292409]  dump_stack+0x63/0x87
>[   20.292410]  xen_irq_info_cleanup.isra.8+0x22/0x40
>[   20.292412]  shutdown_pirq+0x70/0x80
>[   20.292413]  irq_shutdown+0x36/0x70
>[   20.292414]  __free_irq+0x206/0x2b0
>[   20.292415]  free_irq+0x39/0x90
>[   20.292416]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.292418]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292419]  ? kfree+0x122/0x170
>[   20.292420]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292422]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.292423]  process_one_work+0x165/0x410
>[   20.292424]  worker_thread+0x137/0x4c0
>[   20.292425]  kthread+0x101/0x140
>[   20.292426]  ? rescuer_thread+0x3b0/0x3b0
>[   20.292427]  ? kthread_park+0x90/0x90
>[   20.292429]  ret_from_fork+0x2c/0x40
>[   20.292815] xen:events: shutdown_pirq: irq 258 evtchn 253
>[   20.292817] CPU: 5 PID: 278 Comm: kworker/u256:1 Not tainted 4.10.0 #3
>[   20.292818] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.292822] Workqueue: nvme nvme_reset_work [nvme]
>[   20.292825] xen:events: shutdown_pirq: irq 261 evtchn 251
>[   20.292830] Call Trace:
>[   20.292834]  dump_stack+0x63/0x87
>[   20.292838]  shutdown_pirq+0x4d/0x80
>[   20.292841]  irq_shutdown+0x36/0x70
>[   20.292843]  __free_irq+0x206/0x2b0
>[   20.292846]  free_irq+0x39/0x90
>[   20.292849]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.292854]  ? blk_queue_write_cache+0x4e/0x80
>[   20.292858]  ? nvme_set_queue_limits+0x4c/0xa0 [nvme_core]
>[   20.292862]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292866]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.292868]  process_one_work+0x165/0x410
>[   20.292871]  worker_thread+0x137/0x4c0
>[   20.292874]  kthread+0x101/0x140
>[   20.292876]  ? rescuer_thread+0x3b0/0x3b0
>[   20.292879]  ? kthread_park+0x90/0x90
>[   20.292882]  ret_from_fork+0x2c/0x40
>[   20.292886] CPU: 6 PID: 557 Comm: kworker/u256:2 Not tainted 4.10.0 #3
>[   20.292888] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.292889] xen:events: xen_irq_info_cleanup: 253
>[   20.292894] Workqueue: nvme nvme_reset_work [nvme]
>[   20.292896] Call Trace:
>[   20.292901]  dump_stack+0x63/0x87
>[   20.292906]  shutdown_pirq+0x4d/0x80
>[   20.292910]  irq_shutdown+0x36/0x70
>[   20.292914]  __free_irq+0x206/0x2b0
>[   20.292917]  free_irq+0x39/0x90
>[   20.292922]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.292927]  ? blk_queue_write_cache+0x4e/0x80
>[   20.292933]  ? nvme_set_queue_limits+0x4c/0xa0 [nvme_core]
>[   20.292940]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.292944]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.292949]  process_one_work+0x165/0x410
>[   20.292952]  worker_thread+0x137/0x4c0
>[   20.292957]  kthread+0x101/0x140
>[   20.292960]  ? rescuer_thread+0x3b0/0x3b0
>[   20.292964]  ? kthread_park+0x90/0x90
>[   20.292969]  ret_from_fork+0x2c/0x40
>[   20.292986] CPU: 5 PID: 278 Comm: kworker/u256:1 Not tainted 4.10.0 #3
>[   20.292987] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.292989] Workqueue: nvme nvme_reset_work [nvme]
>[   20.292991] xen:events: xen_irq_info_cleanup: 251
>[   20.292992] Call Trace:
>[   20.292994]  dump_stack+0x63/0x87
>[   20.292997]  xen_irq_info_cleanup.isra.8+0x22/0x40
>[   20.292999]  shutdown_pirq+0x70/0x80
>[   20.293001]  irq_shutdown+0x36/0x70
>[   20.293003]  __free_irq+0x206/0x2b0
>[   20.293004]  free_irq+0x39/0x90
>[   20.293006]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.293009]  ? blk_queue_write_cache+0x4e/0x80
>[   20.293011]  ? nvme_set_queue_limits+0x4c/0xa0 [nvme_core]
>[   20.293014]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.293016]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.293018]  process_one_work+0x165/0x410
>[   20.293019]  worker_thread+0x137/0x4c0
>[   20.293022]  kthread+0x101/0x140
>[   20.293023]  ? rescuer_thread+0x3b0/0x3b0
>[   20.293025]  ? kthread_park+0x90/0x90
>[   20.293028]  ret_from_fork+0x2c/0x40
>[   20.293031] CPU: 6 PID: 557 Comm: kworker/u256:2 Not tainted 4.10.0 #3
>[   20.293032] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.293036] Workqueue: nvme nvme_reset_work [nvme]
>[   20.293038] Call Trace:
>[   20.293041]  dump_stack+0x63/0x87
>[   20.293045]  xen_irq_info_cleanup.isra.8+0x22/0x40
>[   20.293049]  shutdown_pirq+0x70/0x80
>[   20.293053]  irq_shutdown+0x36/0x70
>[   20.293056]  __free_irq+0x206/0x2b0
>[   20.293060]  free_irq+0x39/0x90
>[   20.293064]  nvme_setup_io_queues+0x186/0x440 [nvme]
>[   20.293068]  ? blk_queue_write_cache+0x4e/0x80
>[   20.293074]  ? nvme_set_queue_limits+0x4c/0xa0 [nvme_core]
>[   20.293080]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.293084]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.293088]  process_one_work+0x165/0x410
>[   20.293091]  worker_thread+0x137/0x4c0
>[   20.293096]  kthread+0x101/0x140
>[   20.293099]  ? rescuer_thread+0x3b0/0x3b0
>[   20.293103]  ? kthread_park+0x90/0x90
>[   20.293107]  ret_from_fork+0x2c/0x40
>[   20.309739] xen:events: EVTCHNOP_bind_pirq: pirq: 582, flags: 0x0, rc=0 (port: 250)
>[   20.309740] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.309741] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.309743] Workqueue: nvme nvme_reset_work [nvme]
>[   20.309743] Call Trace:
>[   20.309745]  dump_stack+0x63/0x87
>[   20.309748]  __startup_pirq+0xdb/0x170
>[   20.309749]  startup_pirq+0x11/0x20
>[   20.309751]  irq_startup+0x47/0x80
>[   20.309752]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.309753]  __setup_irq+0x550/0x640
>[   20.309754]  request_threaded_irq+0x10d/0x1f0
>[   20.309756]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.309757]  nvme_setup_io_queues+0x1c0/0x440 [nvme]
>[   20.309759]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.309761]  ? kfree+0x122/0x170
>[   20.309763]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.309764]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.309766]  process_one_work+0x165/0x410
>[   20.309767]  worker_thread+0x137/0x4c0
>[   20.309768]  kthread+0x101/0x140
>[   20.309769]  ? rescuer_thread+0x3b0/0x3b0
>[   20.309771]  ? kthread_park+0x90/0x90
>[   20.309773]  ret_from_fork+0x2c/0x40
>[   20.309790] nvme nvme0: NVME_SETUP_IO_QUEUES: pci function 0000:00:1b.0
>[   20.310178] xen:events: EVTCHNOP_bind_pirq: pirq: 580, flags: 0x0, rc=0 (port: 251)
>[   20.310179] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310180] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310181] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310182] Call Trace:
>[   20.310183]  dump_stack+0x63/0x87
>[   20.310185]  __startup_pirq+0xdb/0x170
>[   20.310187]  startup_pirq+0x11/0x20
>[   20.310188]  irq_startup+0x47/0x80
>[   20.310189]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310190]  __setup_irq+0x550/0x640
>[   20.310191]  request_threaded_irq+0x10d/0x1f0
>[   20.310193]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310194]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310196]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310197]  process_one_work+0x165/0x410
>[   20.310198]  worker_thread+0x137/0x4c0
>[   20.310199]  kthread+0x101/0x140
>[   20.310200]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310202]  ? kthread_park+0x90/0x90
>[   20.310203]  ret_from_fork+0x2c/0x40
>[   20.310259] xen:events: EVTCHNOP_bind_pirq: pirq: 578, flags: 0x0, rc=0 (port: 252)
>[   20.310259] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310260] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310261] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310262] Call Trace:
>[   20.310263]  dump_stack+0x63/0x87
>[   20.310264]  __startup_pirq+0xdb/0x170
>[   20.310266]  startup_pirq+0x11/0x20
>[   20.310267]  irq_startup+0x47/0x80
>[   20.310268]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310269]  __setup_irq+0x550/0x640
>[   20.310270]  request_threaded_irq+0x10d/0x1f0
>[   20.310272]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310273]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310274]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310275]  process_one_work+0x165/0x410
>[   20.310276]  worker_thread+0x137/0x4c0
>[   20.310278]  kthread+0x101/0x140
>[   20.310279]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310280]  ? kthread_park+0x90/0x90
>[   20.310281]  ret_from_fork+0x2c/0x40
>[   20.310341] xen:events: EVTCHNOP_bind_pirq: pirq: 576, flags: 0x0, rc=0 (port: 253)
>[   20.310342] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310342] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310343] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310344] Call Trace:
>[   20.310345]  dump_stack+0x63/0x87
>[   20.310346]  __startup_pirq+0xdb/0x170
>[   20.310348]  startup_pirq+0x11/0x20
>[   20.310349]  irq_startup+0x47/0x80
>[   20.310350]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310351]  __setup_irq+0x550/0x640
>[   20.310352]  request_threaded_irq+0x10d/0x1f0
>[   20.310353]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310355]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310356]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310357]  process_one_work+0x165/0x410
>[   20.310358]  worker_thread+0x137/0x4c0
>[   20.310360]  kthread+0x101/0x140
>[   20.310361]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310362]  ? kthread_park+0x90/0x90
>[   20.310363]  ret_from_fork+0x2c/0x40
>[   20.310427] xen:events: EVTCHNOP_bind_pirq: pirq: 574, flags: 0x0, rc=0 (port: 254)
>[   20.310428] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310428] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310430] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310430] Call Trace:
>[   20.310431]  dump_stack+0x63/0x87
>[   20.310433]  __startup_pirq+0xdb/0x170
>[   20.310434]  startup_pirq+0x11/0x20
>[   20.310435]  irq_startup+0x47/0x80
>[   20.310436]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310437]  __setup_irq+0x550/0x640
>[   20.310438]  request_threaded_irq+0x10d/0x1f0
>[   20.310440]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310441]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310442]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310443]  process_one_work+0x165/0x410
>[   20.310444]  worker_thread+0x137/0x4c0
>[   20.310446]  kthread+0x101/0x140
>[   20.310447]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310448]  ? kthread_park+0x90/0x90
>[   20.310449]  ret_from_fork+0x2c/0x40
>[   20.310507] xen:events: EVTCHNOP_bind_pirq: pirq: 570, flags: 0x0, rc=0 (port: 255)
>[   20.310508] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310508] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310509] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310510] Call Trace:
>[   20.310511]  dump_stack+0x63/0x87
>[   20.310512]  __startup_pirq+0xdb/0x170
>[   20.310514]  startup_pirq+0x11/0x20
>[   20.310515]  irq_startup+0x47/0x80
>[   20.310516]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310517]  __setup_irq+0x550/0x640
>[   20.310518]  request_threaded_irq+0x10d/0x1f0
>[   20.310519]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310521]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310522]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310523]  process_one_work+0x165/0x410
>[   20.310524]  worker_thread+0x137/0x4c0
>[   20.310526]  kthread+0x101/0x140
>[   20.310526]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310528]  ? kthread_park+0x90/0x90
>[   20.310529]  ret_from_fork+0x2c/0x40
>[   20.310590] xen:events: EVTCHNOP_bind_pirq: pirq: 566, flags: 0x0, rc=0 (port: 256)
>[   20.310590] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310593] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310595] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310596] Call Trace:
>[   20.310597]  dump_stack+0x63/0x87
>[   20.310599]  __startup_pirq+0xdb/0x170
>[   20.310601]  startup_pirq+0x11/0x20
>[   20.310603]  irq_startup+0x47/0x80
>[   20.310604]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310605]  __setup_irq+0x550/0x640
>[   20.310606]  request_threaded_irq+0x10d/0x1f0
>[   20.310608]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310609]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310611]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310612]  process_one_work+0x165/0x410
>[   20.310613]  worker_thread+0x137/0x4c0
>[   20.310614]  kthread+0x101/0x140
>[   20.310615]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310616]  ? kthread_park+0x90/0x90
>[   20.310618]  ret_from_fork+0x2c/0x40
>[   20.310694] xen:events: EVTCHNOP_bind_pirq: pirq: 564, flags: 0x0, rc=0 (port: 257)
>[   20.310695] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310695] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310696] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310697] Call Trace:
>[   20.310698]  dump_stack+0x63/0x87
>[   20.310699]  __startup_pirq+0xdb/0x170
>[   20.310701]  startup_pirq+0x11/0x20
>[   20.310702]  irq_startup+0x47/0x80
>[   20.310703]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310704]  __setup_irq+0x550/0x640
>[   20.310705]  request_threaded_irq+0x10d/0x1f0
>[   20.310707]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310708]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310709]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310710]  process_one_work+0x165/0x410
>[   20.310711]  worker_thread+0x137/0x4c0
>[   20.310713]  kthread+0x101/0x140
>[   20.310714]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310715]  ? kthread_park+0x90/0x90
>[   20.310716]  ret_from_fork+0x2c/0x40
>[   20.310782] xen:events: EVTCHNOP_bind_pirq: pirq: 560, flags: 0x0, rc=0 (port: 258)
>[   20.310783] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310783] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310784] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310785] Call Trace:
>[   20.310786]  dump_stack+0x63/0x87
>[   20.310787]  __startup_pirq+0xdb/0x170
>[   20.310789]  startup_pirq+0x11/0x20
>[   20.310790]  irq_startup+0x47/0x80
>[   20.310791]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310792]  __setup_irq+0x550/0x640
>[   20.310793]  request_threaded_irq+0x10d/0x1f0
>[   20.310794]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310796]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310797]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310798]  process_one_work+0x165/0x410
>[   20.310799]  worker_thread+0x137/0x4c0
>[   20.310801]  kthread+0x101/0x140
>[   20.310801]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310803]  ? kthread_park+0x90/0x90
>[   20.310804]  ret_from_fork+0x2c/0x40
>[   20.310855] xen:events: EVTCHNOP_bind_pirq: pirq: 556, flags: 0x0, rc=0 (port: 259)
>[   20.310856] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310856] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310857] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310858] Call Trace:
>[   20.310859]  dump_stack+0x63/0x87
>[   20.310861]  __startup_pirq+0xdb/0x170
>[   20.310862]  startup_pirq+0x11/0x20
>[   20.310863]  irq_startup+0x47/0x80
>[   20.310864]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310865]  __setup_irq+0x550/0x640
>[   20.310866]  request_threaded_irq+0x10d/0x1f0
>[   20.310867]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310869]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310870]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310871]  process_one_work+0x165/0x410
>[   20.310872]  worker_thread+0x137/0x4c0
>[   20.310873]  kthread+0x101/0x140
>[   20.310874]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310875]  ? kthread_park+0x90/0x90
>[   20.310877]  ret_from_fork+0x2c/0x40
>[   20.310927] xen:events: EVTCHNOP_bind_pirq: pirq: 554, flags: 0x0, rc=0 (port: 260)
>[   20.310927] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.310928] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.310929] Workqueue: nvme nvme_reset_work [nvme]
>[   20.310929] Call Trace:
>[   20.310930]  dump_stack+0x63/0x87
>[   20.310932]  __startup_pirq+0xdb/0x170
>[   20.310933]  startup_pirq+0x11/0x20
>[   20.310934]  irq_startup+0x47/0x80
>[   20.310935]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.310936]  __setup_irq+0x550/0x640
>[   20.310937]  request_threaded_irq+0x10d/0x1f0
>[   20.310938]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.310940]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.310941]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.310942]  process_one_work+0x165/0x410
>[   20.310943]  worker_thread+0x137/0x4c0
>[   20.310944]  kthread+0x101/0x140
>[   20.310945]  ? rescuer_thread+0x3b0/0x3b0
>[   20.310947]  ? kthread_park+0x90/0x90
>[   20.310948]  ret_from_fork+0x2c/0x40
>[   20.311005] xen:events: EVTCHNOP_bind_pirq: pirq: 550, flags: 0x0, rc=0 (port: 261)
>[   20.311006] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311006] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311007] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311008] Call Trace:
>[   20.311009]  dump_stack+0x63/0x87
>[   20.311010]  __startup_pirq+0xdb/0x170
>[   20.311011]  startup_pirq+0x11/0x20
>[   20.311013]  irq_startup+0x47/0x80
>[   20.311014]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311015]  __setup_irq+0x550/0x640
>[   20.311016]  request_threaded_irq+0x10d/0x1f0
>[   20.311017]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311018]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311020]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311021]  process_one_work+0x165/0x410
>[   20.311022]  worker_thread+0x137/0x4c0
>[   20.311023]  kthread+0x101/0x140
>[   20.311024]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311025]  ? kthread_park+0x90/0x90
>[   20.311027]  ret_from_fork+0x2c/0x40
>[   20.311088] xen:events: EVTCHNOP_bind_pirq: pirq: 547, flags: 0x0, rc=0 (port: 262)
>[   20.311089] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311089] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311090] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311091] Call Trace:
>[   20.311092]  dump_stack+0x63/0x87
>[   20.311093]  __startup_pirq+0xdb/0x170
>[   20.311095]  startup_pirq+0x11/0x20
>[   20.311096]  irq_startup+0x47/0x80
>[   20.311097]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311098]  __setup_irq+0x550/0x640
>[   20.311099]  request_threaded_irq+0x10d/0x1f0
>[   20.311100]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311101]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311103]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311104]  process_one_work+0x165/0x410
>[   20.311105]  worker_thread+0x137/0x4c0
>[   20.311106]  kthread+0x101/0x140
>[   20.311107]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311108]  ? kthread_park+0x90/0x90
>[   20.311109]  ret_from_fork+0x2c/0x40
>[   20.311164] xen:events: EVTCHNOP_bind_pirq: pirq: 543, flags: 0x0, rc=0 (port: 263)
>[   20.311164] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311165] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311166] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311166] Call Trace:
>[   20.311167]  dump_stack+0x63/0x87
>[   20.311169]  __startup_pirq+0xdb/0x170
>[   20.311170]  startup_pirq+0x11/0x20
>[   20.311171]  irq_startup+0x47/0x80
>[   20.311172]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311173]  __setup_irq+0x550/0x640
>[   20.311175]  request_threaded_irq+0x10d/0x1f0
>[   20.311176]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311177]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311179]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311180]  process_one_work+0x165/0x410
>[   20.311181]  worker_thread+0x137/0x4c0
>[   20.311182]  kthread+0x101/0x140
>[   20.311183]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311184]  ? kthread_park+0x90/0x90
>[   20.311185]  ret_from_fork+0x2c/0x40
>[   20.311246] xen:events: EVTCHNOP_bind_pirq: pirq: 540, flags: 0x0, rc=0 (port: 264)
>[   20.311246] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311247] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311248] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311248] Call Trace:
>[   20.311250]  dump_stack+0x63/0x87
>[   20.311251]  __startup_pirq+0xdb/0x170
>[   20.311252]  startup_pirq+0x11/0x20
>[   20.311253]  irq_startup+0x47/0x80
>[   20.311254]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311255]  __setup_irq+0x550/0x640
>[   20.311256]  request_threaded_irq+0x10d/0x1f0
>[   20.311258]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311259]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311260]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311261]  process_one_work+0x165/0x410
>[   20.311262]  worker_thread+0x137/0x4c0
>[   20.311264]  kthread+0x101/0x140
>[   20.311265]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311266]  ? kthread_park+0x90/0x90
>[   20.311267]  ret_from_fork+0x2c/0x40
>[   20.311316] xen:events: EVTCHNOP_bind_pirq: pirq: 536, flags: 0x0, rc=0 (port: 265)
>[   20.311316] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311317] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311318] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311318] Call Trace:
>[   20.311319]  dump_stack+0x63/0x87
>[   20.311321]  __startup_pirq+0xdb/0x170
>[   20.311322]  startup_pirq+0x11/0x20
>[   20.311323]  irq_startup+0x47/0x80
>[   20.311324]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311325]  __setup_irq+0x550/0x640
>[   20.311326]  request_threaded_irq+0x10d/0x1f0
>[   20.311328]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311329]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311330]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311331]  process_one_work+0x165/0x410
>[   20.311332]  worker_thread+0x137/0x4c0
>[   20.311334]  kthread+0x101/0x140
>[   20.311335]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311336]  ? kthread_park+0x90/0x90
>[   20.311337]  ret_from_fork+0x2c/0x40
>[   20.311400] xen:events: EVTCHNOP_bind_pirq: pirq: 534, flags: 0x0, rc=0 (port: 266)
>[   20.311401] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311401] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311403] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311403] Call Trace:
>[   20.311404]  dump_stack+0x63/0x87
>[   20.311406]  __startup_pirq+0xdb/0x170
>[   20.311407]  startup_pirq+0x11/0x20
>[   20.311408]  irq_startup+0x47/0x80
>[   20.311409]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311410]  __setup_irq+0x550/0x640
>[   20.311411]  request_threaded_irq+0x10d/0x1f0
>[   20.311413]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311414]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311415]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311416]  process_one_work+0x165/0x410
>[   20.311417]  worker_thread+0x137/0x4c0
>[   20.311419]  kthread+0x101/0x140
>[   20.311420]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311421]  ? kthread_park+0x90/0x90
>[   20.311422]  ret_from_fork+0x2c/0x40
>[   20.311480] xen:events: EVTCHNOP_bind_pirq: pirq: 531, flags: 0x0, rc=0 (port: 267)
>[   20.311480] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311481] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311482] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311482] Call Trace:
>[   20.311483]  dump_stack+0x63/0x87
>[   20.311485]  __startup_pirq+0xdb/0x170
>[   20.311486]  startup_pirq+0x11/0x20
>[   20.311488]  irq_startup+0x47/0x80
>[   20.311488]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311489]  __setup_irq+0x550/0x640
>[   20.311491]  request_threaded_irq+0x10d/0x1f0
>[   20.311492]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311493]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311495]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311496]  process_one_work+0x165/0x410
>[   20.311497]  worker_thread+0x137/0x4c0
>[   20.311498]  kthread+0x101/0x140
>[   20.311499]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311500]  ? kthread_park+0x90/0x90
>[   20.311502]  ret_from_fork+0x2c/0x40
>[   20.311554] xen:events: EVTCHNOP_bind_pirq: pirq: 528, flags: 0x0, rc=0 (port: 268)
>[   20.311555] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311555] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311556] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311557] Call Trace:
>[   20.311558]  dump_stack+0x63/0x87
>[   20.311559]  __startup_pirq+0xdb/0x170
>[   20.311561]  startup_pirq+0x11/0x20
>[   20.311562]  irq_startup+0x47/0x80
>[   20.311563]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311564]  __setup_irq+0x550/0x640
>[   20.311565]  request_threaded_irq+0x10d/0x1f0
>[   20.311566]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311567]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311569]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311570]  process_one_work+0x165/0x410
>[   20.311571]  worker_thread+0x137/0x4c0
>[   20.311572]  kthread+0x101/0x140
>[   20.311573]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311574]  ? kthread_park+0x90/0x90
>[   20.311576]  ret_from_fork+0x2c/0x40
>[   20.311651] xen:events: EVTCHNOP_bind_pirq: pirq: 525, flags: 0x0, rc=0 (port: 269)
>[   20.311652] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311652] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311653] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311654] Call Trace:
>[   20.311655]  dump_stack+0x63/0x87
>[   20.311656]  __startup_pirq+0xdb/0x170
>[   20.311658]  startup_pirq+0x11/0x20
>[   20.311659]  irq_startup+0x47/0x80
>[   20.311660]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311661]  __setup_irq+0x550/0x640
>[   20.311663]  request_threaded_irq+0x10d/0x1f0
>[   20.311664]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311665]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311667]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311668]  process_one_work+0x165/0x410
>[   20.311669]  worker_thread+0x137/0x4c0
>[   20.311670]  kthread+0x101/0x140
>[   20.311671]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311672]  ? kthread_park+0x90/0x90
>[   20.311674]  ret_from_fork+0x2c/0x40
>[   20.311726] xen:events: EVTCHNOP_bind_pirq: pirq: 521, flags: 0x0, rc=0 (port: 270)
>[   20.311727] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311727] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311728] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311729] Call Trace:
>[   20.311730]  dump_stack+0x63/0x87
>[   20.311731]  __startup_pirq+0xdb/0x170
>[   20.311733]  startup_pirq+0x11/0x20
>[   20.311734]  irq_startup+0x47/0x80
>[   20.311735]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311736]  __setup_irq+0x550/0x640
>[   20.311737]  request_threaded_irq+0x10d/0x1f0
>[   20.311738]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311740]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311741]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311742]  process_one_work+0x165/0x410
>[   20.311743]  worker_thread+0x137/0x4c0
>[   20.311745]  kthread+0x101/0x140
>[   20.311746]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311747]  ? kthread_park+0x90/0x90
>[   20.311748]  ret_from_fork+0x2c/0x40
>[   20.311808] xen:events: EVTCHNOP_bind_pirq: pirq: 518, flags: 0x0, rc=0 (port: 271)
>[   20.311808] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.311809] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.311810] Workqueue: nvme nvme_reset_work [nvme]
>[   20.311811] Call Trace:
>[   20.311812]  dump_stack+0x63/0x87
>[   20.311813]  __startup_pirq+0xdb/0x170
>[   20.311814]  startup_pirq+0x11/0x20
>[   20.311816]  irq_startup+0x47/0x80
>[   20.311817]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.311818]  __setup_irq+0x550/0x640
>[   20.311819]  request_threaded_irq+0x10d/0x1f0
>[   20.311820]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.311821]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.311823]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.311824]  process_one_work+0x165/0x410
>[   20.311825]  worker_thread+0x137/0x4c0
>[   20.311826]  kthread+0x101/0x140
>[   20.311827]  ? rescuer_thread+0x3b0/0x3b0
>[   20.311828]  ? kthread_park+0x90/0x90
>[   20.311830]  ret_from_fork+0x2c/0x40
>[   20.312006] xen:events: EVTCHNOP_bind_pirq: pirq: 514, flags: 0x0, rc=0 (port: 272)
>[   20.312007] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.312007] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.312008] Workqueue: nvme nvme_reset_work [nvme]
>[   20.312009] Call Trace:
>[   20.312010]  dump_stack+0x63/0x87
>[   20.312011]  __startup_pirq+0xdb/0x170
>[   20.312012]  startup_pirq+0x11/0x20
>[   20.312014]  irq_startup+0x47/0x80
>[   20.312015]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.312016]  __setup_irq+0x550/0x640
>[   20.312017]  request_threaded_irq+0x10d/0x1f0
>[   20.312018]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.312019]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.312021]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.312022]  process_one_work+0x165/0x410
>[   20.312023]  worker_thread+0x137/0x4c0
>[   20.312024]  kthread+0x101/0x140
>[   20.312025]  ? rescuer_thread+0x3b0/0x3b0
>[   20.312026]  ? kthread_park+0x90/0x90
>[   20.312028]  ret_from_fork+0x2c/0x40
>[   20.312294] xen:events: EVTCHNOP_bind_pirq: pirq: 511, flags: 0x0, rc=0 (port: 273)
>[   20.312294] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.312295] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.312296] Workqueue: nvme nvme_reset_work [nvme]
>[   20.312296] Call Trace:
>[   20.312298]  dump_stack+0x63/0x87
>[   20.312299]  __startup_pirq+0xdb/0x170
>[   20.312300]  startup_pirq+0x11/0x20
>[   20.312302]  irq_startup+0x47/0x80
>[   20.312303]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.312304]  __setup_irq+0x550/0x640
>[   20.312305]  request_threaded_irq+0x10d/0x1f0
>[   20.312306]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.312307]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.312309]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.312310]  process_one_work+0x165/0x410
>[   20.312311]  worker_thread+0x137/0x4c0
>[   20.312312]  kthread+0x101/0x140
>[   20.312313]  ? rescuer_thread+0x3b0/0x3b0
>[   20.312315]  ? kthread_park+0x90/0x90
>[   20.312316]  ret_from_fork+0x2c/0x40
>[   20.312502] xen:events: EVTCHNOP_bind_pirq: pirq: 508, flags: 0x0, rc=0 (port: 274)
>[   20.312503] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.312503] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.312505] Workqueue: nvme nvme_reset_work [nvme]
>[   20.312505] Call Trace:
>[   20.312506]  dump_stack+0x63/0x87
>[   20.312508]  __startup_pirq+0xdb/0x170
>[   20.312509]  startup_pirq+0x11/0x20
>[   20.312510]  irq_startup+0x47/0x80
>[   20.312511]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.312512]  __setup_irq+0x550/0x640
>[   20.312513]  request_threaded_irq+0x10d/0x1f0
>[   20.312514]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.312516]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.312517]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.312518]  process_one_work+0x165/0x410
>[   20.312519]  worker_thread+0x137/0x4c0
>[   20.312521]  kthread+0x101/0x140
>[   20.312522]  ? rescuer_thread+0x3b0/0x3b0
>[   20.312523]  ? kthread_park+0x90/0x90
>[   20.312524]  ret_from_fork+0x2c/0x40
>[   20.312708] xen:events: EVTCHNOP_bind_pirq: pirq: 505, flags: 0x0, rc=0 (port: 275)
>[   20.312708] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.312709] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.312710] Workqueue: nvme nvme_reset_work [nvme]
>[   20.312711] Call Trace:
>[   20.312712]  dump_stack+0x63/0x87
>[   20.312714]  __startup_pirq+0xdb/0x170
>[   20.312715]  startup_pirq+0x11/0x20
>[   20.312716]  irq_startup+0x47/0x80
>[   20.312717]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.312718]  __setup_irq+0x550/0x640
>[   20.312719]  request_threaded_irq+0x10d/0x1f0
>[   20.312720]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.312722]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.312723]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.312724]  process_one_work+0x165/0x410
>[   20.312725]  worker_thread+0x137/0x4c0
>[   20.312727]  kthread+0x101/0x140
>[   20.312727]  ? rescuer_thread+0x3b0/0x3b0
>[   20.312729]  ? kthread_park+0x90/0x90
>[   20.312730]  ret_from_fork+0x2c/0x40
>[   20.312922] xen:events: EVTCHNOP_bind_pirq: pirq: 502, flags: 0x0, rc=0 (port: 276)
>[   20.312923] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.312923] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.312924] Workqueue: nvme nvme_reset_work [nvme]
>[   20.312925] Call Trace:
>[   20.312926]  dump_stack+0x63/0x87
>[   20.312927]  __startup_pirq+0xdb/0x170
>[   20.312928]  startup_pirq+0x11/0x20
>[   20.312930]  irq_startup+0x47/0x80
>[   20.312931]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.312932]  __setup_irq+0x550/0x640
>[   20.312933]  request_threaded_irq+0x10d/0x1f0
>[   20.312934]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.312935]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.312937]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.312938]  process_one_work+0x165/0x410
>[   20.312939]  worker_thread+0x137/0x4c0
>[   20.312940]  kthread+0x101/0x140
>[   20.312941]  ? rescuer_thread+0x3b0/0x3b0
>[   20.312942]  ? kthread_park+0x90/0x90
>[   20.312943]  ret_from_fork+0x2c/0x40
>[   20.313128] xen:events: EVTCHNOP_bind_pirq: pirq: 498, flags: 0x0, rc=0 (port: 277)
>[   20.313129] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.313129] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.313130] Workqueue: nvme nvme_reset_work [nvme]
>[   20.313130] Call Trace:
>[   20.313132]  dump_stack+0x63/0x87
>[   20.313133]  __startup_pirq+0xdb/0x170
>[   20.313134]  startup_pirq+0x11/0x20
>[   20.313136]  irq_startup+0x47/0x80
>[   20.313136]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.313137]  __setup_irq+0x550/0x640
>[   20.313139]  request_threaded_irq+0x10d/0x1f0
>[   20.313140]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.313141]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.313143]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.313144]  process_one_work+0x165/0x410
>[   20.313145]  worker_thread+0x137/0x4c0
>[   20.313146]  kthread+0x101/0x140
>[   20.313147]  ? rescuer_thread+0x3b0/0x3b0
>[   20.313148]  ? kthread_park+0x90/0x90
>[   20.313149]  ret_from_fork+0x2c/0x40
>[   20.313333] xen:events: EVTCHNOP_bind_pirq: pirq: 495, flags: 0x0, rc=0 (port: 278)
>[   20.313333] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.313333] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.313335] Workqueue: nvme nvme_reset_work [nvme]
>[   20.313335] Call Trace:
>[   20.313336]  dump_stack+0x63/0x87
>[   20.313338]  __startup_pirq+0xdb/0x170
>[   20.313339]  startup_pirq+0x11/0x20
>[   20.313340]  irq_startup+0x47/0x80
>[   20.313341]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.313342]  __setup_irq+0x550/0x640
>[   20.313343]  request_threaded_irq+0x10d/0x1f0
>[   20.313344]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.313346]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.313347]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.313348]  process_one_work+0x165/0x410
>[   20.313349]  worker_thread+0x137/0x4c0
>[   20.313351]  kthread+0x101/0x140
>[   20.313351]  ? rescuer_thread+0x3b0/0x3b0
>[   20.313353]  ? kthread_park+0x90/0x90
>[   20.313354]  ret_from_fork+0x2c/0x40
>[   20.313539] xen:events: EVTCHNOP_bind_pirq: pirq: 492, flags: 0x0, rc=0 (port: 279)
>[   20.313539] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.313540] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.313541] Workqueue: nvme nvme_reset_work [nvme]
>[   20.313542] Call Trace:
>[   20.313543]  dump_stack+0x63/0x87
>[   20.313544]  __startup_pirq+0xdb/0x170
>[   20.313545]  startup_pirq+0x11/0x20
>[   20.313547]  irq_startup+0x47/0x80
>[   20.313548]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.313549]  __setup_irq+0x550/0x640
>[   20.313550]  request_threaded_irq+0x10d/0x1f0
>[   20.313551]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.313552]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.313554]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.313555]  process_one_work+0x165/0x410
>[   20.313556]  worker_thread+0x137/0x4c0
>[   20.313557]  kthread+0x101/0x140
>[   20.313558]  ? rescuer_thread+0x3b0/0x3b0
>[   20.313559]  ? kthread_park+0x90/0x90
>[   20.313561]  ret_from_fork+0x2c/0x40
>[   20.313815] xen:events: EVTCHNOP_bind_pirq: pirq: 488, flags: 0x0, rc=0 (port: 280)
>[   20.313816] CPU: 0 PID: 5 Comm: kworker/u256:0 Not tainted 4.10.0 #3
>[   20.313816] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.313818] Workqueue: nvme nvme_reset_work [nvme]
>[   20.313818] Call Trace:
>[   20.313819]  dump_stack+0x63/0x87
>[   20.313821]  __startup_pirq+0xdb/0x170
>[   20.313822]  startup_pirq+0x11/0x20
>[   20.313823]  irq_startup+0x47/0x80
>[   20.313824]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.313825]  __setup_irq+0x550/0x640
>[   20.313827]  request_threaded_irq+0x10d/0x1f0
>[   20.313828]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.313829]  nvme_setup_io_queues+0x318/0x440 [nvme]
>[   20.313831]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.313832]  process_one_work+0x165/0x410
>[   20.313833]  worker_thread+0x137/0x4c0
>[   20.313834]  kthread+0x101/0x140
>[   20.313835]  ? rescuer_thread+0x3b0/0x3b0
>[   20.313836]  ? kthread_park+0x90/0x90
>[   20.313837]  ret_from_fork+0x2c/0x40
>[   20.314880] xen:events: EVTCHNOP_bind_pirq: pirq: 583, flags: 0x0, rc=0 (port: 281)
>[   20.314882] CPU: 5 PID: 278 Comm: kworker/u256:1 Not tainted 4.10.0 #3
>[   20.314883] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.314885] Workqueue: nvme nvme_reset_work [nvme]
>[   20.314886] Call Trace:
>[   20.314890]  dump_stack+0x63/0x87
>[   20.314892]  __startup_pirq+0xdb/0x170
>[   20.314894]  startup_pirq+0x11/0x20
>[   20.314896]  irq_startup+0x47/0x80
>[   20.314898]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.314900]  __setup_irq+0x550/0x640
>[   20.314901]  request_threaded_irq+0x10d/0x1f0
>[   20.314903]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.314905]  nvme_setup_io_queues+0x1c0/0x440 [nvme]
>[   20.314908]  ? blk_queue_write_cache+0x4e/0x80
>[   20.314910]  ? nvme_set_queue_limits+0x4c/0xa0 [nvme_core]
>[   20.314913]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.314915]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.314917]  process_one_work+0x165/0x410
>[   20.314918]  worker_thread+0x137/0x4c0
>[   20.314921]  kthread+0x101/0x140
>[   20.314922]  ? rescuer_thread+0x3b0/0x3b0
>[   20.314924]  ? kthread_park+0x90/0x90
>[   20.314926]  ret_from_fork+0x2c/0x40
>[   20.314945] nvme nvme1: NVME_SETUP_IO_QUEUES: pci function 0000:00:1c.0
>[   20.319738] xen:events: EVTCHNOP_bind_pirq: pirq: 583, flags: 0x0, rc=-17 (port: -1)
>[   20.319741] CPU: 7 PID: 558 Comm: kworker/u256:3 Not tainted 4.10.0 #3
>[   20.319742] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.319745] Workqueue: nvme nvme_reset_work [nvme]
>[   20.319747] Call Trace:
>[   20.319751]  dump_stack+0x63/0x87
>[   20.319754]  __startup_pirq+0xdb/0x170
>[   20.319757]  startup_pirq+0x11/0x20
>[   20.319759]  irq_startup+0x47/0x80
>[   20.319761]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.319763]  __setup_irq+0x550/0x640
>[   20.319766]  request_threaded_irq+0x10d/0x1f0
>[   20.319769]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.319771]  nvme_setup_io_queues+0x1c0/0x440 [nvme]
>[   20.319775]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.319778]  ? kfree+0x122/0x170
>[   20.319780]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.319783]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.319786]  process_one_work+0x165/0x410
>[   20.319787]  worker_thread+0x137/0x4c0
>[   20.319790]  kthread+0x101/0x140
>[   20.319792]  ? rescuer_thread+0x3b0/0x3b0
>[   20.319794]  ? kthread_park+0x90/0x90
>[   20.319797]  ret_from_fork+0x2c/0x40
>[   20.319799] xen:events: Failed to obtain physical IRQ 258
>[   20.319810] nvme nvme3: NVME_SETUP_IO_QUEUES: pci function 0000:00:1e.0
>[   20.324126] xen:events: EVTCHNOP_bind_pirq: pirq: 580, flags: 0x0, rc=-17 (port: -1)
>[   20.324130] CPU: 6 PID: 557 Comm: kworker/u256:2 Not tainted 4.10.0 #3
>[   20.324131] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   20.324136] Workqueue: nvme nvme_reset_work [nvme]
>[   20.324138] Call Trace:
>[   20.324143]  dump_stack+0x63/0x87
>[   20.324146]  __startup_pirq+0xdb/0x170
>[   20.324150]  startup_pirq+0x11/0x20
>[   20.324153]  irq_startup+0x47/0x80
>[   20.324156]  ? alloc_cpumask_var_node+0x24/0x30
>[   20.324159]  __setup_irq+0x550/0x640
>[   20.324163]  request_threaded_irq+0x10d/0x1f0
>[   20.324167]  queue_request_irq+0x4e/0x80 [nvme]
>[   20.324171]  nvme_setup_io_queues+0x1c0/0x440 [nvme]
>[   20.324174]  ? blk_queue_write_cache+0x4e/0x80
>[   20.324178]  ? nvme_set_queue_limits+0x4c/0xa0 [nvme_core]
>[   20.324181]  ? nvme_init_identify+0x1fa/0x2f0 [nvme_core]
>[   20.324184]  nvme_reset_work+0x5c0/0x900 [nvme]
>[   20.324187]  process_one_work+0x165/0x410
>[   20.324190]  worker_thread+0x137/0x4c0
>[   20.324194]  kthread+0x101/0x140
>[   20.324196]  ? rescuer_thread+0x3b0/0x3b0
>[   20.324200]  ? kthread_park+0x90/0x90
>[   20.324203]  ret_from_fork+0x2c/0x40
>[   20.324206] xen:events: Failed to obtain physical IRQ 265
>[   20.324220] nvme nvme2: NVME_SETUP_IO_QUEUES: pci function 0000:00:1d.0
>[   24.827434] SGI XFS with ACLs, security attributes, no debug enabled
>[   24.836495] XFS (xvda2): Mounting V5 Filesystem
>[   26.517429] XFS (xvda2): Ending clean mount
>[   26.914132] systemd-journald[357]: Received SIGTERM from PID 1 (systemd).
>[   26.929623] systemd: 24 output lines suppressed due to ratelimiting
>[   26.995184] audit: type=1404 audit(1492624523.979:2): enforcing=1 old_enforcing=0 auid=4294967295 ses=4294967295
>[   27.048210] SELinux: 32768 avtab hash slots, 104867 rules.
>[   27.069970] SELinux: 32768 avtab hash slots, 104867 rules.
>[   27.102979] SELinux:  8 users, 14 roles, 4980 types, 301 bools, 1 sens, 1024 cats
>[   27.102981] SELinux:  91 classes, 104867 rules
>[   27.106697] SELinux:  Permission validate_trans in class security not defined in policy.
>[   27.113663] SELinux:  Permission module_load in class system not defined in policy.
>[   27.120184] SELinux:  Class binder not defined in policy.
>[   27.124541] SELinux:  Class cap_userns not defined in policy.
>[   27.128923] SELinux:  Class cap2_userns not defined in policy.
>[   27.133376] SELinux: the above unknown classes and permissions will be allowed
>[   27.139434] SELinux:  Completing initialization.
>[   27.139435] SELinux:  Setting up existing superblocks.
>[   27.151353] audit: type=1403 audit(1492624524.135:3): policy loaded auid=4294967295 ses=4294967295
>[   27.157421] systemd[1]: Successfully loaded SELinux policy in 160.420ms.
>[   27.238625] ip_tables: (C) 2000-2006 Netfilter Core Team
>[   27.245979] systemd[1]: Inserted module 'ip_tables'
>[   27.277722] systemd[1]: Relabelled /dev and /run in 25.289ms.
>[   27.313580] xen:events: EVTCHNOP_bind_pirq: pirq: 21, flags: 0x0, rc=0 (port: 282)
>[   27.323143] CPU: 26 PID: 675 Comm: systemd-getty-g Not tainted 4.10.0 #3
>[   27.330829] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   27.338167] Call Trace:
>[   27.342419]  dump_stack+0x63/0x87
>[   27.347301]  __startup_pirq+0xdb/0x170
>[   27.352691]  startup_pirq+0x11/0x20
>[   27.357747]  irq_startup+0x47/0x80
>[   27.362755]  ? alloc_cpumask_var_node+0x24/0x30
>[   27.368874]  __setup_irq+0x550/0x640
>[   27.374079]  request_threaded_irq+0x10d/0x1f0
>[   27.379627]  univ8250_setup_irq+0x26a/0x2a0
>[   27.384718]  serial8250_do_startup+0x13c/0x700
>[   27.390069]  serial8250_startup+0x25/0x30
>[   27.395450]  uart_startup.part.20+0x67/0x150
>[   27.401180]  uart_port_activate+0x5c/0x70
>[   27.406621]  tty_port_open+0x8b/0xe0
>[   27.411281]  uart_open+0x3d/0x50
>[   27.415717]  tty_open+0xe6/0x5f0
>[   27.420399]  chrdev_open+0xc0/0x1d0
>[   27.425203]  do_dentry_open+0x213/0x330
>[   27.430366]  ? cdev_put+0x30/0x30
>[   27.435175]  vfs_open+0x4f/0x70
>[   27.439460]  ? may_open+0x9b/0x100
>[   27.444076]  path_openat+0x569/0x1390
>[   27.449158]  ? alloc_set_pte+0x10b/0x570
>[   27.454179]  ? filemap_map_pages+0x310/0x3e0
>[   27.459596]  do_filp_open+0x91/0x100
>[   27.464302]  ? __alloc_fd+0xb0/0x170
>[   27.469214]  do_sys_open+0x124/0x210
>[   27.474105]  SyS_open+0x1e/0x20
>[   27.478694]  entry_SYSCALL_64_fastpath+0x1a/0xa9
>[   27.484284] RIP: 0033:0x7f902ed54c20
>[   27.489378] RSP: 002b:00007ffd9a077258 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
>[   27.498593] RAX: ffffffffffffffda RBX: 000055c0b302c270 RCX: 00007f902ed54c20
>[   27.506534] RDX: 0000000000000030 RSI: 00000000000a0902 RDI: 00007ffd9a077260
>[   27.515024] RBP: 00007ffd9a0772e8 R08: 0000000000000000 R09: 0000000000000007
>[   27.523174] R10: 00007f902eab9df0 R11: 0000000000000246 R12: 0000000000000000
>[   27.531471] R13: 00007ffd9a0772f0 R14: 00007ffd9a0772e8 R15: 0000000000000000
>[   27.999975] RPC: Registered named UNIX socket transport module.
>[   27.999976] RPC: Registered udp transport module.
>[   27.999976] RPC: Registered tcp transport module.
>[   27.999977] RPC: Registered tcp NFSv4.1 backchannel transport module.
>[   28.066353] Adding 524284k swap on /swapfile.  Priority:-1 extents:1 across:524284k SSFS
>[   28.107033] systemd-journald[709]: Received request to flush runtime journal from PID 1
>[   28.215793] input: PC Speaker as /devices/platform/pcspkr/input/input5
>[   28.257855] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
>[   28.297839] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
>[   28.312698] ppdev: user-space parallel port driver
>[   28.432758] [drm] Initialized
>[   28.438803] AVX2 version of gcm_enc/dec engaged.
>[   28.442429] AES CTR mode by8 optimization enabled
>[   28.465740] alg: No test for pcbc(aes) (pcbc-aes-aesni)
>[   28.551770] EDAC MC: Ver: 3.0.0
>[   28.567252] EDAC sbridge: Seeking for: PCI ID 8086:6fa0
>[   28.567255] EDAC sbridge:  Ver: 1.1.1 
>[   28.582680] intel_rapl: Found RAPL domain package
>[   28.586236] intel_rapl: Found RAPL domain dram
>[   28.589605] intel_rapl: DRAM domain energy unit 15300pj
>[   28.625621] [TTM] Zone  kernel: Available graphics memory: 125877204 kiB
>[   28.631856] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
>[   28.637917] [TTM] Initializing pool allocator
>[   28.642373] [TTM] Initializing DMA pool allocator
>[   28.647471] [drm] fb mappable at 0x80000000
>[   28.651807] [drm] vram aper at 0x80000000
>[   28.656007] [drm] size 33554432
>[   28.659450] [drm] fb depth is 24
>[   28.662873] [drm]    pitch is 3072
>[   28.666579] fbcon: cirrusdrmfb (fb0) is primary device
>[   28.738171] Console: switching to colour frame buffer device 128x48
>[   28.808406] cirrus 0000:00:02.0: fb0: cirrusdrmfb frame buffer device
>[   28.861683] [drm] Initialized cirrus 1.0.0 20110418 for 0000:00:02.0 on minor 0
>[   32.837487] ISOFS: Unable to identify CD-ROM format.
>[   34.601249] ISOFS: Unable to identify CD-ROM format.
>[   39.255197] xen:events: shutdown_pirq: irq 4 evtchn 282
>[   39.255199] CPU: 29 PID: 1277 Comm: (agetty) Not tainted 4.10.0 #3
>[   39.255200] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   39.255201] Call Trace:
>[   39.255207]  dump_stack+0x63/0x87
>[   39.255211]  shutdown_pirq+0x4d/0x80
>[   39.255215]  irq_shutdown+0x36/0x70
>[   39.255216]  __free_irq+0x206/0x2b0
>[   39.255218]  free_irq+0x39/0x90
>[   39.255220]  univ8250_release_irq+0xa4/0xb0
>[   39.255222]  serial8250_do_shutdown+0x104/0x1a0
>[   39.255223]  serial8250_shutdown+0x25/0x30
>[   39.255224]  uart_port_shutdown+0x3b/0x50
>[   39.255225]  uart_shutdown+0xad/0xd0
>[   39.255226]  uart_hangup+0x8e/0x140
>[   39.255228]  __tty_hangup+0x266/0x440
>[   39.255229]  tty_ioctl+0xa19/0xbe0
>[   39.255233]  do_vfs_ioctl+0xa7/0x5e0
>[   39.255234]  SyS_ioctl+0x79/0x90
>[   39.255237]  do_syscall_64+0x67/0x180
>[   39.255241]  entry_SYSCALL64_slow_path+0x25/0x25
>[   39.255243] RIP: 0033:0x7fdf2f32a507
>[   39.255244] RSP: 002b:00007fff3698abd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[   39.255245] RAX: ffffffffffffffda RBX: 000055e30802ca88 RCX: 00007fdf2f32a507
>[   39.255246] RDX: 0000000000001002 RSI: 0000000000005437 RDI: 0000000000000003
>[   39.255246] RBP: 0000000000000003 R08: 00007fff3698ab60 R09: 000055e30819ceed
>[   39.255247] R10: 000000000000002e R11: 0000000000000246 R12: 0000000000000000
>[   39.255248] R13: 00007fff3698ac40 R14: 000055e307fde7e8 R15: 00007fff3698b2c0
>[   39.255252] xen:events: xen_irq_info_cleanup: 282
>[   39.255253] CPU: 29 PID: 1277 Comm: (agetty) Not tainted 4.10.0 #3
>[   39.255253] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   39.255254] Call Trace:
>[   39.255255]  dump_stack+0x63/0x87
>[   39.255257]  xen_irq_info_cleanup.isra.8+0x22/0x40
>[   39.255258]  shutdown_pirq+0x70/0x80
>[   39.255259]  irq_shutdown+0x36/0x70
>[   39.255260]  __free_irq+0x206/0x2b0
>[   39.255261]  free_irq+0x39/0x90
>[   39.255263]  univ8250_release_irq+0xa4/0xb0
>[   39.255264]  serial8250_do_shutdown+0x104/0x1a0
>[   39.255265]  serial8250_shutdown+0x25/0x30
>[   39.255266]  uart_port_shutdown+0x3b/0x50
>[   39.255267]  uart_shutdown+0xad/0xd0
>[   39.255268]  uart_hangup+0x8e/0x140
>[   39.255269]  __tty_hangup+0x266/0x440
>[   39.255271]  tty_ioctl+0xa19/0xbe0
>[   39.255273]  do_vfs_ioctl+0xa7/0x5e0
>[   39.255275]  SyS_ioctl+0x79/0x90
>[   39.255276]  do_syscall_64+0x67/0x180
>[   39.255277]  entry_SYSCALL64_slow_path+0x25/0x25
>[   39.255278] RIP: 0033:0x7fdf2f32a507
>[   39.255279] RSP: 002b:00007fff3698abd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
>[   39.255280] RAX: ffffffffffffffda RBX: 000055e30802ca88 RCX: 00007fdf2f32a507
>[   39.255280] RDX: 0000000000001002 RSI: 0000000000005437 RDI: 0000000000000003
>[   39.255281] RBP: 0000000000000003 R08: 00007fff3698ab60 R09: 000055e30819ceed
>[   39.255281] R10: 000000000000002e R11: 0000000000000246 R12: 0000000000000000
>[   39.255282] R13: 00007fff3698ac40 R14: 000055e307fde7e8 R15: 00007fff3698b2c0
>[   39.255698] xen:events: EVTCHNOP_bind_pirq: pirq: 21, flags: 0x0, rc=0 (port: 282)
>[   39.255699] CPU: 29 PID: 1277 Comm: (agetty) Not tainted 4.10.0 #3
>[   39.255699] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   39.255700] Call Trace:
>[   39.255702]  dump_stack+0x63/0x87
>[   39.255704]  __startup_pirq+0xdb/0x170
>[   39.255705]  startup_pirq+0x11/0x20
>[   39.255707]  irq_startup+0x47/0x80
>[   39.255708]  ? alloc_cpumask_var_node+0x24/0x30
>[   39.255709]  __setup_irq+0x550/0x640
>[   39.255711]  request_threaded_irq+0x10d/0x1f0
>[   39.255712]  univ8250_setup_irq+0x26a/0x2a0
>[   39.255714]  ? _raw_spin_unlock_irqrestore+0x15/0x20
>[   39.255716]  serial8250_do_startup+0x13c/0x700
>[   39.255717]  serial8250_startup+0x25/0x30
>[   39.255718]  uart_startup.part.20+0x67/0x150
>[   39.255719]  uart_port_activate+0x5c/0x70
>[   39.255722]  tty_port_open+0x8b/0xe0
>[   39.255723]  uart_open+0x3d/0x50
>[   39.255723]  tty_open+0xe6/0x5f0
>[   39.255727]  chrdev_open+0xc0/0x1d0
>[   39.255729]  do_dentry_open+0x213/0x330
>[   39.255730]  ? cdev_put+0x30/0x30
>[   39.255731]  vfs_open+0x4f/0x70
>[   39.255732]  ? may_open+0x9b/0x100
>[   39.255733]  path_openat+0x569/0x1390
>[   39.255736]  ? __queue_work+0x14c/0x420
>[   39.255738]  do_filp_open+0x91/0x100
>[   39.255741]  ? __alloc_fd+0xb0/0x170
>[   39.255741]  do_sys_open+0x124/0x210
>[   39.255742]  SyS_open+0x1e/0x20
>[   39.255744]  do_syscall_64+0x67/0x180
>[   39.255745]  entry_SYSCALL64_slow_path+0x25/0x25
>[   39.255746] RIP: 0033:0x7fdf2f60bc20
>[   39.255746] RSP: 002b:00007fff3698aba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
>[   39.255747] RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 00007fdf2f60bc20
>[   39.255748] RDX: 0000000000000000 RSI: 0000000000080902 RDI: 000055e308023e00
>[   39.255748] RBP: 0000000000000003 R08: 00007fff3698ab60 R09: 000055e30819ceed
>[   39.255749] R10: 000000000000002e R11: 0000000000000246 R12: 0000000000080902
>[   39.255749] R13: 000055e308023e00 R14: 000055e307fde7e8 R15: 00007fff3698b2c0
>[   80.571651] nvme nvme3: I/O 23 QID 0 timeout, disable controller
>[   80.575004] ------------[ cut here ]------------
>[   80.577295] WARNING: CPU: 23 PID: 608 at kernel/irq/manage.c:1478 __free_irq+0xa6/0x2b0
>[   80.582132] Trying to free already-free IRQ 258
>[   80.585595] Modules linked in: isofs cirrus ttm intel_rapl sb_edac edac_core drm_kms_helper intel_powerclamp crct10dif_pclmul crc32_pclmul syscopyarea ghash_clmulni_intel sysfillrect pcbc sysimgblt fb_sys_fops aesni_intel drm crypto_simd glue_helper cryptd ppdev parport_pc i2c_piix4 parport i2c_core nfsd pcspkr auth_rpcgss nfs_acl lockd binfmt_misc grace sunrpc ip_tables xfs libcrc32c ata_generic pata_acpi ata_piix nvme libata nvme_core xen_blkfront crc32c_intel serio_raw fjes floppy xen_netfront
>[   80.615232] CPU: 23 PID: 608 Comm: kworker/23:1H Not tainted 4.10.0 #3
>[   80.620051] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   80.624733] Workqueue: kblockd blk_mq_timeout_work
>[   80.628588] Call Trace:
>[   80.631171]  dump_stack+0x63/0x87
>[   80.634294]  __warn+0xd1/0xf0
>[   80.635603] nvme nvme2: I/O 109 QID 0 timeout, disable controller
>[   80.635607] ------------[ cut here ]------------
>[   80.635610] WARNING: CPU: 6 PID: 611 at kernel/irq/manage.c:1478 __free_irq+0xa6/0x2b0
>[   80.635611] Trying to free already-free IRQ 265
>[   80.635611] Modules linked in: isofs cirrus ttm intel_rapl sb_edac edac_core drm_kms_helper intel_powerclamp crct10dif_pclmul crc32_pclmul syscopyarea ghash_clmulni_intel sysfillrect pcbc sysimgblt fb_sys_fops aesni_intel drm crypto_simd glue_helper cryptd ppdev parport_pc i2c_piix4 parport i2c_core nfsd pcspkr auth_rpcgss nfs_acl lockd binfmt_misc grace sunrpc ip_tables xfs libcrc32c ata_generic pata_acpi ata_piix nvme libata nvme_core xen_blkfront crc32c_intel serio_raw fjes floppy xen_netfront
>[   80.635645] nvme nvme1: I/O 50 QID 0 timeout, disable controller
>[   80.635650] ------------[ cut here ]------------
>[   80.635652] WARNING: CPU: 5 PID: 607 at kernel/irq/manage.c:1478 __free_irq+0xa6/0x2b0
>[   80.635653] Trying to free already-free IRQ 264
>[   80.635653] Modules linked in: isofs cirrus ttm intel_rapl sb_edac edac_core drm_kms_helper intel_powerclamp crct10dif_pclmul crc32_pclmul syscopyarea ghash_clmulni_intel sysfillrect pcbc sysimgblt fb_sys_fops aesni_intel drm crypto_simd glue_helper cryptd ppdev parport_pc i2c_piix4 parport i2c_core nfsd pcspkr auth_rpcgss nfs_acl lockd binfmt_misc grace sunrpc ip_tables xfs libcrc32c ata_generic pata_acpi ata_piix nvme libata nvme_core xen_blkfront crc32c_intel serio_raw fjes floppy xen_netfront
>[   80.737622]  warn_slowpath_fmt+0x5f/0x80
>[   80.741543]  __free_irq+0xa6/0x2b0
>[   80.745080]  free_irq+0x39/0x90
>[   80.748481]  ? try_to_del_timer_sync+0x5a/0x80
>[   80.752674]  nvme_suspend_queue+0x8d/0xc0 [nvme]
>[   80.756992]  nvme_dev_disable+0xa8/0x360 [nvme]
>[   80.761217]  ? __dev_printk+0x46/0x90
>[   80.764886]  ? dev_warn+0x6c/0x90
>[   80.768351]  nvme_timeout+0x1a8/0x1d0 [nvme]
>[   80.772432]  blk_mq_rq_timed_out+0x2f/0x70
>[   80.776430]  blk_mq_check_expired+0x48/0x80
>[   80.780423]  bt_iter+0x45/0x50
>[   80.783710]  blk_mq_queue_tag_busy_iter+0xdd/0x1f0
>[   80.788029]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.792042]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.796122]  ? __switch_to+0x140/0x510
>[   80.799882]  blk_mq_timeout_work+0x88/0x170
>[   80.803819]  process_one_work+0x165/0x410
>[   80.807621]  worker_thread+0x137/0x4c0
>[   80.811275]  kthread+0x101/0x140
>[   80.814654]  ? rescuer_thread+0x3b0/0x3b0
>[   80.818536]  ? kthread_park+0x90/0x90
>[   80.821995]  ret_from_fork+0x2c/0x40
>[   80.825352] ---[ end trace e75bee809bb3cb8f ]---
>[   80.825354] CPU: 5 PID: 607 Comm: kworker/5:1H Not tainted 4.10.0 #3
>[   80.825356] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   80.825359] Workqueue: kblockd blk_mq_timeout_work
>[   80.825359] Call Trace:
>[   80.825362]  dump_stack+0x63/0x87
>[   80.825363]  __warn+0xd1/0xf0
>[   80.825364]  warn_slowpath_fmt+0x5f/0x80
>[   80.825365]  __free_irq+0xa6/0x2b0
>[   80.825366]  free_irq+0x39/0x90
>[   80.825367]  ? try_to_del_timer_sync+0x5a/0x80
>[   80.825369]  nvme_suspend_queue+0x8d/0xc0 [nvme]
>[   80.825371]  nvme_dev_disable+0xa8/0x360 [nvme]
>[   80.825372]  ? __dev_printk+0x46/0x90
>[   80.825373]  ? dev_warn+0x6c/0x90
>[   80.825375]  nvme_timeout+0x1a8/0x1d0 [nvme]
>[   80.825377]  ? sched_clock+0x9/0x10
>[   80.825379]  blk_mq_rq_timed_out+0x2f/0x70
>[   80.825379]  blk_mq_check_expired+0x48/0x80
>[   80.825380]  bt_iter+0x45/0x50
>[   80.825381]  blk_mq_queue_tag_busy_iter+0xdd/0x1f0
>[   80.825382]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825383]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825385]  ? __switch_to+0x140/0x510
>[   80.825386]  blk_mq_timeout_work+0x88/0x170
>[   80.825388]  process_one_work+0x165/0x410
>[   80.825389]  worker_thread+0x137/0x4c0
>[   80.825390]  kthread+0x101/0x140
>[   80.825391]  ? rescuer_thread+0x3b0/0x3b0
>[   80.825393]  ? kthread_park+0x90/0x90
>[   80.825395]  ret_from_fork+0x2c/0x40
>[   80.825396] ---[ end trace e75bee809bb3cb90 ]---
>[   80.825397] CPU: 6 PID: 611 Comm: kworker/6:1H Not tainted 4.10.0 #3
>[   80.825398] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   80.825400] Workqueue: kblockd blk_mq_timeout_work
>[   80.825401] Call Trace:
>[   80.825403]  dump_stack+0x63/0x87
>[   80.825404]  __warn+0xd1/0xf0
>[   80.825405]  warn_slowpath_fmt+0x5f/0x80
>[   80.825406]  __free_irq+0xa6/0x2b0
>[   80.825408]  free_irq+0x39/0x90
>[   80.825409]  ? try_to_del_timer_sync+0x5a/0x80
>[   80.825411]  nvme_suspend_queue+0x8d/0xc0 [nvme]
>[   80.825411] xen:events: shutdown_pirq: irq 264 evtchn 281
>[   80.825413]  nvme_dev_disable+0xa8/0x360 [nvme]
>[   80.825414]  ? __dev_printk+0x46/0x90
>[   80.825415]  ? dev_warn+0x6c/0x90
>[   80.825417]  nvme_timeout+0x1a8/0x1d0 [nvme]
>[   80.825418]  blk_mq_rq_timed_out+0x2f/0x70
>[   80.825419]  blk_mq_check_expired+0x48/0x80
>[   80.825420]  bt_iter+0x45/0x50
>[   80.825421]  blk_mq_queue_tag_busy_iter+0xdd/0x1f0
>[   80.825421]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825422]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825424]  ? __switch_to+0x140/0x510
>[   80.825425]  blk_mq_timeout_work+0x88/0x170
>[   80.825426]  process_one_work+0x165/0x410
>[   80.825428]  worker_thread+0x137/0x4c0
>[   80.825429]  kthread+0x101/0x140
>[   80.825430]  ? rescuer_thread+0x3b0/0x3b0
>[   80.825431]  ? kthread_park+0x90/0x90
>[   80.825433]  ret_from_fork+0x2c/0x40
>[   80.825434] ---[ end trace e75bee809bb3cb91 ]---
>[   80.825436] CPU: 5 PID: 607 Comm: kworker/5:1H Tainted: G        W       4.10.0 #3
>[   80.825436] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   80.825438] Workqueue: kblockd blk_mq_timeout_work
>[   80.825439] Call Trace:
>[   80.825440]  dump_stack+0x63/0x87
>[   80.825443]  shutdown_pirq+0x4d/0x80
>[   80.825445]  irq_shutdown+0x36/0x70
>[   80.825446]  __free_irq+0x206/0x2b0
>[   80.825447]  free_irq+0x39/0x90
>[   80.825449]  ? blk_mq_stop_hw_queues+0x32/0x50
>[   80.825449] xen:events: shutdown_pirq: irq 265 evtchn 0
>[   80.825451]  nvme_suspend_queue+0x8d/0xc0 [nvme]
>[   80.825453]  nvme_dev_disable+0x2d1/0x360 [nvme]
>[   80.825454]  ? dev_warn+0x6c/0x90
>[   80.825455]  nvme_timeout+0x1a8/0x1d0 [nvme]
>[   80.825457]  ? sched_clock+0x9/0x10
>[   80.825457]  blk_mq_rq_timed_out+0x2f/0x70
>[   80.825458]  blk_mq_check_expired+0x48/0x80
>[   80.825459]  bt_iter+0x45/0x50
>[   80.825460]  blk_mq_queue_tag_busy_iter+0xdd/0x1f0
>[   80.825461]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825462]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825463]  ? __switch_to+0x140/0x510
>[   80.825464]  blk_mq_timeout_work+0x88/0x170
>[   80.825465]  process_one_work+0x165/0x410
>[   80.825467]  worker_thread+0x137/0x4c0
>[   80.825468]  kthread+0x101/0x140
>[   80.825469]  ? rescuer_thread+0x3b0/0x3b0
>[   80.825470]  ? kthread_park+0x90/0x90
>[   80.825472]  ret_from_fork+0x2c/0x40
>[   80.825474] CPU: 6 PID: 611 Comm: kworker/6:1H Tainted: G        W       4.10.0 #3
>[   80.825474] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   80.825476] Workqueue: kblockd blk_mq_timeout_work
>[   80.825477] Call Trace:
>[   80.825478]  dump_stack+0x63/0x87
>[   80.825480]  shutdown_pirq+0x4d/0x80
>[   80.825482]  irq_shutdown+0x36/0x70
>[   80.825483]  __free_irq+0x206/0x2b0
>[   80.825484]  free_irq+0x39/0x90
>[   80.825485]  ? blk_mq_stop_hw_queues+0x32/0x50
>[   80.825487]  nvme_suspend_queue+0x8d/0xc0 [nvme]
>[   80.825488]  nvme_dev_disable+0x2d1/0x360 [nvme]
>[   80.825489]  ? dev_warn+0x6c/0x90
>[   80.825491]  nvme_timeout+0x1a8/0x1d0 [nvme]
>[   80.825492]  blk_mq_rq_timed_out+0x2f/0x70
>[   80.825493] xen:events: xen_irq_info_cleanup: 281
>[   80.825494]  blk_mq_check_expired+0x48/0x80
>[   80.825495]  bt_iter+0x45/0x50
>[   80.825495]  blk_mq_queue_tag_busy_iter+0xdd/0x1f0
>[   80.825496]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825497]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825498]  ? __switch_to+0x140/0x510
>[   80.825500]  blk_mq_timeout_work+0x88/0x170
>[   80.825501]  process_one_work+0x165/0x410
>[   80.825502]  worker_thread+0x137/0x4c0
>[   80.825503]  kthread+0x101/0x140
>[   80.825504]  ? rescuer_thread+0x3b0/0x3b0
>[   80.825505]  ? kthread_park+0x90/0x90
>[   80.825507]  ret_from_fork+0x2c/0x40
>[   80.825509] CPU: 5 PID: 607 Comm: kworker/5:1H Tainted: G        W       4.10.0 #3
>[   80.825510] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   80.825511] Workqueue: kblockd blk_mq_timeout_work
>[   80.825512] Call Trace:
>[   80.825513]  dump_stack+0x63/0x87
>[   80.825514]  xen_irq_info_cleanup.isra.8+0x22/0x40
>[   80.825516]  shutdown_pirq+0x70/0x80
>[   80.825517]  irq_shutdown+0x36/0x70
>[   80.825518]  __free_irq+0x206/0x2b0
>[   80.825519]  free_irq+0x39/0x90
>[   80.825521]  ? blk_mq_stop_hw_queues+0x32/0x50
>[   80.825522]  nvme_suspend_queue+0x8d/0xc0 [nvme]
>[   80.825524]  nvme_dev_disable+0x2d1/0x360 [nvme]
>[   80.825525]  ? dev_warn+0x6c/0x90
>[   80.825526]  nvme_timeout+0x1a8/0x1d0 [nvme]
>[   80.825528]  ? sched_clock+0x9/0x10
>[   80.825528]  blk_mq_rq_timed_out+0x2f/0x70
>[   80.825529]  blk_mq_check_expired+0x48/0x80
>[   80.825530]  bt_iter+0x45/0x50
>[   80.825531]  blk_mq_queue_tag_busy_iter+0xdd/0x1f0
>[   80.825532]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825532]  ? blk_mq_rq_timed_out+0x70/0x70
>[   80.825534]  ? __switch_to+0x140/0x510
>[   80.825535]  blk_mq_timeout_work+0x88/0x170
>[   80.825536]  process_one_work+0x165/0x410
>[   80.825537]  worker_thread+0x137/0x4c0
>[   80.825539]  kthread+0x101/0x140
>[   80.825540]  ? rescuer_thread+0x3b0/0x3b0
>[   80.825541]  ? kthread_park+0x90/0x90
>[   80.825542]  ret_from_fork+0x2c/0x40
>[   80.936074] nvme nvme1: Removing after probe failure status: -4
>[   80.936175] nvme nvme2: Removing after probe failure status: -4
>[   81.561339] xen:events: shutdown_pirq: irq 258 evtchn 0
>[   81.567680] CPU: 23 PID: 608 Comm: kworker/23:1H Tainted: G        W       4.10.0 #3
>[   81.576525] Hardware name: Xen HVM domU, BIOS 4.2.amazon 12/12/2016
>[   81.583861] Workqueue: kblockd blk_mq_timeout_work
>[   81.589739] Call Trace:
>[   81.593126]  dump_stack+0x63/0x87
>[   81.596699]  shutdown_pirq+0x4d/0x80
>[   81.601190]  irq_shutdown+0x36/0x70
>[   81.606355]  __free_irq+0x206/0x2b0
>[   81.611605]  free_irq+0x39/0x90
>[   81.616393]  ? blk_mq_stop_hw_queues+0x32/0x50
>[   81.621957]  nvme_suspend_queue+0x8d/0xc0 [nvme]
>[   81.628300]  nvme_dev_disable+0x2d1/0x360 [nvme]
>[   81.634033]  ? dev_warn+0x6c/0x90
>[   81.638317]  nvme_timeout+0x1a8/0x1d0 [nvme]
>[   81.643721]  blk_mq_rq_timed_out+0x2f/0x70
>[   81.648444]  blk_mq_check_expired+0x48/0x80
>[   81.653914]  bt_iter+0x45/0x50
>[   81.658040]  blk_mq_queue_tag_busy_iter+0xdd/0x1f0
>[   81.663875]  ? blk_mq_rq_timed_out+0x70/0x70
>[   81.669225]  ? blk_mq_rq_timed_out+0x70/0x70
>[   81.674238]  ? __switch_to+0x140/0x510
>[   81.678906]  blk_mq_timeout_work+0x88/0x170
>[   81.684201]  process_one_work+0x165/0x410
>[   81.689270]  worker_thread+0x137/0x4c0
>[   81.694003]  kthread+0x101/0x140
>[   81.698238]  ? rescuer_thread+0x3b0/0x3b0
>[   81.702844]  ? kthread_park+0x90/0x90
>[   81.707676]  ret_from_fork+0x2c/0x40
>[   81.821807] nvme nvme3: Removing after probe failure status: -4

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Attachments on bug 1433831: 1265908 | 1265909 | 1267439 | 1269062 | 1272366 | 1272391 | 1272630 | 1272695 | 1273561 | 1273684