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Red Hat Bugzilla – Attachment 597656 Details for
Bug 839384
kernel hangs up in netpoll
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console.log
console.log (text/x-log), 37.16 KB, created by
Andrew Vagin
on 2012-07-11 19:20:10 UTC
(
hide
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Description:
console.log
Filename:
MIME Type:
Creator:
Andrew Vagin
Created:
2012-07-11 19:20:10 UTC
Size:
37.16 KB
patch
obsolete
> ><6>Initializing cgroup subsys cpuset ><6>Initializing cgroup subsys cpu ><5>Linux version 2.6.32-279.el6.x86_64.debug (mockbuild@x86-008.build.bos.redhat.com) (gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) ) #1 SMP Wed Jun 13 19:13:07 EDT 2012 ><6>Command line: ro root=UUID=a83b3c12-a790-4e40-afa7-723d91b542b5 rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us debug console=ttyS0,115200 console=tty0 profile=sleep crashkernel=auto kmemleak=on selinux=0 ><6>KERNEL supported cpus: ><6> Intel GenuineIntel ><6> AMD AuthenticAMD ><6> Centaur CentaurHauls ><6>Disabled fast string operations ><6>BIOS-provided physical RAM map: ><6> BIOS-e820: 0000000000000000 - 000000000009bc00 (usable) ><6> BIOS-e820: 000000000009bc00 - 00000000000a0000 (reserved) ><6> BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) ><6> BIOS-e820: 0000000000100000 - 00000000dfffd000 (usable) ><6> BIOS-e820: 00000000dfffd000 - 00000000e0000000 (reserved) ><6> BIOS-e820: 00000000fffbc000 - 0000000100000000 (reserved) ><6> BIOS-e820: 0000000100000000 - 0000000120000000 (usable) ><6>DMI 2.4 present. ><4>SMBIOS version 2.4 @ 0xFDA30 ><7>DMI: Red Hat KVM, BIOS 0.5.1 01/01/2007 ><7>e820 update range: 0000000000000000 - 0000000000001000 (usable) ==> (reserved) ><7>e820 remove range: 00000000000a0000 - 0000000000100000 (usable) ><6>last_pfn = 0x120000 max_arch_pfn = 0x400000000 ><7>MTRR default type: write-back ><7>MTRR fixed ranges enabled: ><7> 00000-9FFFF write-back ><7> A0000-BFFFF uncachable ><7> C0000-FFFFF write-protect ><7>MTRR variable ranges enabled: ><7> 0 base 00E0000000 mask FFE0000000 un >0(cachable ><7> 1 disabled ><7> 2 disabled ><7> 3 disabled ><7> 4 disabled ><7> 5 disabled ><7> 6 disabled ><7> 7 disabled ><6>PAT not supported by CPU. ><6>last_pfn = 0xdfffd max_arch_pfn = 0x400000000 ><7>initial memory mapped : 0 - 20000000 ><6>init_memory_mapping: 0000000000000000-00000000dfffd000 ><7> 0000000000 - 00dfe00000 page 2M ><7> 00dfe00000 - 00dfffd000 page 4k ><7>kernel direct mapping tables up to dfffd000 @ 8000-e000 ><6>init_memory_mapping: 0000000100000000-0000000120000000 ><7> 0100000000 - 0120000000 page 2M ><7>kernel direct mapping tables up to 120000000 @ c000-12000 ><6>RAMDISK: 371a0000 - 37fef009 ><4>ACPI: RSDP 00000000000fda00 00014 (v00 BOCHS ) ><4>ACPI: RSDT 00000000dffffdc0 00030 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) ><4>ACPI: FACP 00000000dffffdf0 00074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) ><4>ACPI: DSDT 00000000dfffd830 02544 (v01 BXPC BXDSDT 00000001 INTL 20090123) ><4>ACPI: FACS 00000000dffffd80 00040 ><4>ACPI: SSDT 00000000dfffd730 000FF (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) ><4>ACPI: APIC 00000000dfffd640 00080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) ><7>ACPI: Local APIC address 0xfee00000 ><6>No NUMA configuration found ><6>Faking a node at 0000000000000000-0000000120000000 ><6>Bootmem setup node 0 0000000000000000-0000000120000000 ><6> NODE_DATA [000000000000d000 - 0000000000041fff] ><6> bootmap [0000000000042000 - 0000000000065fff] pages 24 ><6>(8 early reservations) ==> bootmem [0000000000 - 0120000000] ><6> #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] ><6> #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] ><6> #2 [0001000000 - 0003003f98] TEXT DATA BSS ==> [0001000000 - 0003003f98] ><6> #3 [00371a0000 - 0037fef009] RAMDISK ==> [00371a0000 - 0037fef009] ><6> #4 [000009bc00 - 0000100000] BIOS reserved ==> [000009bc00 - 0000100000] ><6> #5 [0003004000 - 0003004081] BRK ==> [0003004000 - 0003004081] ><6> #6 [0000008000 - 000000c000] PGTABLE ==> [0000008000 - 000000c000] ><6> #7 [000000c000 - 000000d000] PGTABLE ==> [000000c000 - 000000d000] ><6>found SMP MP-table at [ffff8800000fda50] fda50 ><6>Reserving 129MB of memory at 64MB for crashkernel (System RAM: 4608MB) ><6>kvm-clock: Using msrs 4b564d01 and 4b564d00 ><6>kvm-clock: cpu 0, msr 0:1b9fbc1, boot clock ><7> [ffffea0000000000-ffffea0003ffffff] PMD -> [ffff880028600000-ffff88002bffffff] on node 0 ><4>Zone PFN ranges: ><4> DMA 0x00000001 -> 0x00001000 ><4> DMA32 0x00001000 -> 0x00100000 ><4> Normal 0x00100000 -> 0x00120000 ><4>Movable zone start PFN for each node ><4>early_node_map[3] active PFN ranges ><4> 0: 0x00000001 -> 0x0000009b ><4> 0: 0x00000100 -> 0x000dfffd ><4> 0: 0x00100000 -> 0x00120000 ><7>On node 0 totalpages: 1048471 ><7> DMA zone: 56 pages used for memmap ><7> DMA zone: 108 pages reserved ><7> DMA zone: 3830 pages, LIFO batch:0 ><7> DMA32 zone: 14280 pages used for memmap ><7> DMA32 zone: 899125 pages, LIFO batch:31 ><7> Normal zone: 1792 pages used for memmap ><7> Normal zone: 129280 pages, LIFO batch:31 ><6>ACPI: PM-Timer IO Port: 0xb008 ><7>ACPI: Local APIC address 0xfee00000 ><6>ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) ><6>ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) ><6>ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) ><6>ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) ><6>IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23 ><6>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ><6>ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) ><6>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ><6>ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) ><6>ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) ><7>ACPI: IRQ0 used by override. ><7>ACPI: IRQ2 used by override. ><7>ACPI: IRQ5 used by override. ><7>ACPI: IRQ9 used by override. ><7>ACPI: IRQ10 used by override. ><7>ACPI: IRQ11 used by override. ><6>Using ACPI (MADT) for SMP configuration information ><6>SMP: Allowing 2 CPUs, 0 hotplug CPUs ><7>nr_irqs_gsi: 24 ><6>PM: Registered nosave memory: >@(000000000009b000 - 000000000009c000 ><6>PM: Registered nosave memory: 000000000009c000 - 00000000000a0000 ><6>PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 ><6>PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 ><6>PM: Registered nosave memory: 00000000dfffd000 - 00000000e0000000 ><6>PM: Registered nosave memory: 00000000e0000000 - 00000000fffbc000 ><6>PM: Registered nosave memory: 00000000fffbc000 - 0000000100000000 ><6>Allocating PCI resources starting at e0000000 (gap: e0000000:1ffbc000) ><6>Booting paravirtualized kernel on KVM ><6>NR_CPUS:4096 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 ><6>PERCPU: Embedded 479 pages/cpu @ffff88002c000000 s1931032 r8192 d22760 u2097152 ><6>pcpu-alloc: s1931032 r8192 d22760 u2097152 alloc=1*2097152 ><6>pcpu-alloc: [0] 0 [0] 1 ><6>kvm-clock: cpu 0, msr 0:2c1d6bc1, primary cpu clock ><4>Built 1 zonelists in Node order, mobility grouping on. Total pages: 1032235 ><4>Policy zone: Normal ><5>Kernel command line: ro root=UUID=a83b3c12-a790-4e40-afa7-723d91b542b5 rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us debug console=ttyS0,115200 console=tty0 profile=sleep crashkernel=129M@0M kmemleak=on selinux=0 ><6>kernel sleep profiling enabled (shift: 0) ><6>PID hash table entries: 4096 (order: 3, 32768 bytes) ><6>Checking aperture... ><6>No AGP bridge found ><6>PCI-DMA: Using software bounce buffering for IO (SWIOTLB) ><6>Placing 64MB software IO TLB between ffff880020000000 - ffff880024000000 ><6>software IO TLB at phys 0x20000000 - 0x24000000 ><6>Memory: 3883880k/4718592k available (5350k kernel code, 524708k absent, 310004k reserved, 4665k data, 6684k init) ><6>Hierarchical RCU implementation. ><6>NR_IRQS:33024 nr_irqs:424 ><4>Console: colour VGA+ 80x25 ><6>console [tty0] enabled ><6>console [ttyS0] enabled ><4>Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ><4>... MAX_LOCKDEP_SUBCLASSES: 8 ><4>... MAX_LOCK_DEPTH: 48 ><4>... MAX_LOCKDEP_KEYS: 8191 ><4>... CLASSHASH_SIZE: 4096 ><4>... MAX_LOCKDEP_ENTRIES: 32768 ><4>... MAX_LOCKDEP_CHAINS: 32768 ><4>... CHAINHASH_SIZE: 16384 ><4> memory used by lock dependency info: 7391 kB ><4> per task-struct memory footprint: 2688 bytes ><6>allocated 33554432 bytes of page_cgroup ><6>please try 'cgroup_disable=memory' option if you don't want memory cgroups ><7>ODEBUG: 10 of 10 active objects replaced ><4>Detected 3191.998 MHz processor. ><6>Calibrating delay loop (skipped) preset value.. 6383.99 BogoMIPS (lpj=3191998) ><6>pid_max: default: 32768 minimum: 301 ><6>Security Framework initialized ><6>SELinux: Disabled at boot. ><6>Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) ><6>Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) ><4>Mount-cache hash table entries: 256 ><6>Initializing cgroup subsys ns ><6>Initializing cgroup subsys cpuacct ><6>Initializing cgroup subsys memory ><6>Initializing cgroup subsys devices ><6>Initializing cgroup subsys freezer ><6>Initializing cgroup subsys net_cls ><6>Initializing cgroup subsys blkio ><6>Initializing cgroup subsys perf_event ><6>Initializing cgroup subsys net_prio ><6>Disabled fast string operations ><6>mce: CPU supports 10 MCE banks ><6>alternatives: switching to unfair spinlock ><6>ACPI: Core revision 20090903 ><6>ftrace: converting mcount calls to 0f 1f 44 00 00 ><6>ftrace: allocating 21207 entries in 84 pages ><6>Setting APIC routing to flat ><6>..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 ><6>CPU0: Intel QEMU Virtual CPU version (cpu64-rhel6) stepping 03 ><6>Performance Events: Broken PMU hardware detected, using software events only. ><4>NMI watchdog disabled (cpu0): hardware events not enabled ><4>lockdep: fixing up alternatives. ><6>Booting Node 0, Processors #1 Ok. ><6>kvm-clock: cpu 1, msr 0:2c3d6bc1, secondary cpu clock ><6>Disabled fast string operations ><6>Brought up 2 CPUs ><6>Total of 2 processors activated (12767.99 BogoMIPS). ><7>sizeof(vma)=200 bytes ><7>sizeof(page)=56 bytes ><7>sizeof(inode)=1168 bytes ><7>sizeof(dentry)=256 bytes ><7>sizeof(ext3inode)=1592 by >P(tes ><7>sizeof(buffer_head)=104 bytes ><7>sizeof(skbuff)=232 bytes ><7>sizeof(task_struct)=9736 bytes ><6>devtmpfs: initialized ><6>regulator: core version 0.5 ><6>NET: Registered protocol family 16 ><6>ACPI: bus type pci registered ><6>PCI: Using configuration type 1 for base access ><4>bio: create slab <bio-0> at 0 ><7>ACPI: EC: Look up EC in DSDT ><6>ACPI: Interpreter enabled ><6>ACPI: (supports S0 S5) ><6>ACPI: Using IOAPIC for interrupt routing ><6>ACPI: No dock devices found. ><6>HEST: Table not found. ><6>PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug ><6>ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) ><7>pci_root PNP0A03:00: host bridge window [io 0x0000-0x0cf7] (ignored) ><7>pci_root PNP0A03:00: host bridge window [io 0x0d00-0xffff] (ignored) ><7>pci_root PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff] (ignored) ><7>pci_root PNP0A03:00: host bridge window [mem 0xe0000000-0xfebfffff] (ignored) ><7>pci 0000:00:01.1: reg 20: [io 0xc000-0xc00f] ><7>pci 0000:00:01.2: reg 20: [io 0xc020-0xc03f] ><6>pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI ><6>pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB ><7>pci 0000:00:02.0: reg 10: [mem 0xf0000000-0xf1ffffff pref] ><7>pci 0000:00:02.0: reg 14: [mem 0xf2000000-0xf2000fff] ><7>pci 0000:00:02.0: reg 30: [mem 0xf2010000-0xf201ffff pref] ><7>pci 0000:00:03.0: reg 10: [io 0xc100-0xc1ff] ><7>pci 0000:00:03.0: reg 14: [mem 0xf2020000-0xf20200ff] ><7>pci 0000:00:03.0: reg 30: [mem 0xf2030000-0xf203ffff pref] ><7>pci 0000:00:04.0: reg 10: [io 0xc200-0xc21f] ><7>pci 0000:00:05.0: reg 10: [io 0xc240-0xc27f] ><7>pci 0000:00:05.0: reg 14: [mem 0xf2040000-0xf2040fff] ><7>pci 0000:00:06.0: reg 10: [io 0xc280-0xc2bf] ><7>pci 0000:00:06.0: reg 14: [mem 0xf2041000-0xf2041fff] ><7>ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] ><6>ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) ><6>ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) ><6>ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) ><6>ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) ><6>ACPI: PCI Interrupt Link [LNKS] (IRQs 9) *0 ><6>vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none ><6>vgaarb: loaded ><6>vgaarb: bridge control possible 0000:00:02.0 ><5>SCSI subsystem initialized ><7>libata version 3.00 loaded. ><6>usbcore: registered new interface driver usbfs ><6>usbcore: registered new interface driver hub ><6>usbcore: registered new device driver usb ><6>PCI: Using ACPI for IRQ routing ><7>PCI: old code would have set cacheline size to 32 bytes, but clflush_size = 64 ><7>PCI: pci_cache_line_size set to 64 bytes ><6>NetLabel: Initializing ><6>NetLabel: domain hash size = 128 ><6>NetLabel: protocols = UNLABELED CIPSOv4 ><6>NetLabel: unlabeled traffic allowed by default ><6>Switching to clocksource kvm-clock ><6>pnp: PnP ACPI init ><6>ACPI: bus type pnp registered ><7>pnp 00:00: [io 0x0cf8-0x0cff] ><7>pnp 00:00: Plug and Play ACPI device, IDs PNP0a03 (active) ><7>pnp 00:01: [io 0x0070-0x0071] ><7>pnp 00:01: [irq 8] ><7>pnp 00:01: [io 0x0072-0x0077] ><7>pnp 00:01: Plug and Play ACPI device, IDs PNP0b00 (active) ><7>pnp 00:02: [io 0x0060] ><7>pnp 00:02: [io 0x0064] ><7>pnp 00:02: [irq 1] ><7>pnp 00:02: Plug and Play ACPI device, IDs PNP0303 (active) ><7>pnp 00:03: [irq 12] ><7>pnp 00:03: Plug and Play ACPI device, IDs PNP0f13 (active) ><7>pnp 00:04: [io 0x03f2-0x03f5] ><7>pnp 00:04: [io 0x03f7] ><7>pnp 00:04: [irq 6] ><7>pnp 00:04: [dma 2] ><7>pnp 00:04: Plug and Play ACPI device, IDs PNP0700 (active) ><7>pnp 00:05: [io 0x03f8-0x03ff] ><7>pnp 00:05: [irq 4] ><7>pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active) ><7>pnp 00:06: [mem 0xfed00000-0xfed003ff] ><7>pnp 00:06: Plug and Play ACPI device, IDs PNP0103 (active) ><6>pnp: PnP ACPI: found 7 devices ><6>ACPI: ACPI bus type pnp unregistered ><7>PCI: max bus depth: 0 pci_try_num: 1 ><7>pci_bus 0000:00: resource 0 [io 0x0000-0xffff] ><7>pci_bus 0000:00: resource 1 [mem 0x00000000-0xffffffffff] ><6>NET: Registered protocol family 2 ><6>IP route cache hash table entries: 131072 (order: 8, 1048576 bytes) ><6>TCP established hash t >`(able entries: 524288 (order: 11, 8388608 bytes) ><6>TCP bind hash table entries: 65536 (order: 10, 4718592 bytes) ><6>TCP: Hash tables configured (established 524288 bind 65536) ><6>TCP reno registered ><6>NET: Registered protocol family 1 ><6>pci 0000:00:00.0: Limiting direct PCI/PCI transfers ><6>pci 0000:00:01.0: PIIX3: Enabling Passive Release ><6>pci 0000:00:01.0: Activating ISA DMA hang workarounds ><4>ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 ><6>pci 0000:00:01.2: PCI INT D -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11 ><6>pci 0000:00:01.2: PCI INT D disabled ><7>pci 0000:00:02.0: Boot video device ><6>Trying to unpack rootfs image as initramfs... ><6>Freeing initrd memory: 14652k freed ><6>DMA-API: preallocated 32768 debug entries ><6>DMA-API: debugging enabled by kernel config ><6>audit: initializing netlink socket (disabled) ><5>type=2000 audit(1342033122.431:1): initialized ><6>HugeTLB registered 2 MB page size, pre-allocated 0 pages ><5>VFS: Disk quotas dquot_6.5.2 ><4>Dquot-cache hash table entries: 512 (order 0, 4096 bytes) ><6>msgmni has been set to 7614 ><4>cryptomgr_test used greatest stack depth: 5576 bytes left ><4>cryptomgr_test used greatest stack depth: 5400 bytes left ><6>alg: No test for stdrng (krng) ><4>ksign: Installing public key data ><4>Loading keyring ><4>- Added public key 2E8E5C39AF9EC7F8 ><4>- User ID: Red Hat, Inc. (Kernel Module GPG key) ><4>- Added public key D4A26C9CCD09BEDA ><4>- User ID: Red Hat Enterprise Linux Driver Update Program <secalert@redhat.com> ><6>Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) ><6>io scheduler noop registered ><6>io scheduler anticipatory registered ><6>io scheduler deadline registered ><6>io scheduler cfq registered (default) ><6>pci_hotplug: PCI Hot Plug PCI Core version: 0.5 ><6>pciehp: PCI Express Hot Plug Controller Driver version: 0.4 ><6>acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 ><6>acpiphp: Slot [1] registered ><6>acpiphp: Slot [2] registered ><6>acpiphp: Slot [3] registered ><6>acpiphp: Slot [4] registered ><6>acpiphp: Slot [5] registered ><6>acpiphp: Slot [6] registered ><6>acpiphp: Slot [7] registered ><6>acpiphp: Slot [8] registered ><6>acpiphp: Slot [9] registered ><6>acpiphp: Slot [10] registered ><6>acpiphp: Slot [11] registered ><6>acpiphp: Slot [12] registered ><6>acpiphp: Slot [13] registered ><6>acpiphp: Slot [14] registered ><6>acpiphp: Slot [15] registered ><6>acpiphp: Slot [16] registered ><6>acpiphp: Slot [17] registered ><6>acpiphp: Slot [18] registered ><6>acpiphp: Slot [19] registered ><6>acpiphp: Slot [20] registered ><6>acpiphp: Slot [21] registered ><6>acpiphp: Slot [22] registered ><6>acpiphp: Slot [23] registered ><6>acpiphp: Slot [24] registered ><6>acpiphp: Slot [25] registered ><6>acpiphp: Slot [26] registered ><6>acpiphp: Slot [27] registered ><6>acpiphp: Slot [28] registered ><6>acpiphp: Slot [29] registered ><6>acpiphp: Slot [30] registered ><6>acpiphp: Slot [31] registered ><6>input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ><6>ACPI: Power Button [PWRF] ><7>ACPI: acpi_idle registered with cpuidle ><6>ERST: Table is not found! ><6>GHES: HEST is not enabled! ><4>hpet_acpi_add: no address or irqs in _CRS ><6>Non-volatile memory driver v1.3 ><6>Linux agpgart interface v0.103 ><6>crash memory driver: version 1.1 ><6>Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled ><6>serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ><6>00:05: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ><6>brd: module loaded ><6>loop: module loaded ><6>input: Macintosh mouse button emulation as /devices/virtual/input/input1 ><6>Fixed MDIO Bus: probed ><6>ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ><6>ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver ><6>uhci_hcd: USB Universal Host Controller Interface driver ><6>uhci_hcd 0000:00:01.2: PCI INT D -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11 ><7>uhci_hcd 0000:00:01.2: setting latency timer to 64 ><6>uhci_hcd 0000:00:01.2: UHCI Host Controller ><6>uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1 ><6>uhci_hcd 0000:00:01.2: irq 11, io base 0x0000c020 ><6>usb usb1: New USB device fo >p(und, idVendor=1d6b, idProduct=0001 ><6>usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 ><6>usb usb1: Product: UHCI Host Controller ><6>usb usb1: Manufacturer: Linux 2.6.32-279.el6.x86_64.debug uhci_hcd ><6>usb usb1: SerialNumber: 0000:00:01.2 ><6>usb usb1: configuration #1 chosen from 1 choice ><6>hub 1-0:1.0: USB hub found ><6>hub 1-0:1.0: 2 ports detected ><6>PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 ><6>serio: i8042 KBD port at 0x60,0x64 irq 1 ><6>serio: i8042 AUX port at 0x60,0x64 irq 12 ><6>mice: PS/2 mouse device common for all mice ><6>input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 ><6>rtc_cmos 00:01: RTC can wake from S4 ><6>rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0 ><6>rtc0: alarms up to one day, 114 bytes nvram ><6>cpuidle: using governor ladder ><6>cpuidle: using governor menu ><6>EFI Variables Facility v0.08 2004-May-17 ><6>usbcore: registered new interface driver hiddev ><6>usbcore: registered new interface driver usbhid ><6>usbhid: v2.6:USB HID core driver ><6>TCP cubic registered ><6>Initializing XFRM netlink socket ><6>NET: Registered protocol family 17 ><4>registered taskstats version 1 ><6>kmemleak: Kernel memory leak detector initialized ><6>kmemleak: Automatic memory scanning thread started ><6>rtc_cmos 00:01: setting system clock to 2012-07-11 18:58:42 UTC (1342033122) ><6>Initalizing network drop monitor service ><6>Freeing unused kernel memory: 6684k freed ><4>mknod used greatest stack depth: 5200 bytes left ><6>dracut: dracut-004-283.el6 ><6>dracut: rd_NO_LUKS: removing cryptoluks activation ><6>dracut: rd_NO_LVM: removing LVM activation ><6>device-mapper: uevent: version 1.0.3 ><6>device-mapper: ioctl: 4.22.6-ioctl (2011-10-19) initialised: dm-devel@redhat.com ><4>modprobe used greatest stack depth: 5104 bytes left ><4>modprobe used greatest stack depth: 4432 bytes left ><6>udev: starting version 147 ><6>dracut: Starting plymouth daemon ><6>dracut: rd_NO_DM: removing DM RAID activation ><6>dracut: rd_NO_MD: removing MD RAID activation ><6>input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3 ><6>Refined TSC clocksource calibration: 3191.999 MHz. ><7>ata_piix 0000:00:01.1: version 2.13 ><7>ata_piix 0000:00:01.1: setting latency timer to 64 ><6>scsi0 : ata_piix ><6>scsi1 : ata_piix ><6>ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc000 irq 14 ><6>ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc008 irq 15 ><6>virtio-pci 0000:00:04.0: PCI INT A -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11 ><4>ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10 ><6>virtio-pci 0000:00:05.0: PCI INT A -> Link[LNKA] -> GSI 10 (level, high) -> IRQ 10 ><4>ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10 ><6>virtio-pci 0000:00:06.0: PCI INT A -> Link[LNKB] -> GSI 10 (level, high) -> IRQ 10 ><7> alloc irq_desc for 24 on node -1 ><7> alloc kstat_irqs on node -1 ><7>virtio-pci 0000:00:05.0: irq 24 for MSI/MSI-X ><7> alloc irq_desc for 25 on node -1 ><7> alloc kstat_irqs on node -1 ><7>virtio-pci 0000:00:05.0: irq 25 for MSI/MSI-X ><6> vda: vda1 vda2 vda3 vda4 < vda5 > ><7> alloc irq_desc for 26 on node -1 ><7> alloc kstat_irqs on node -1 ><7>virtio-pci 0000:00:06.0: irq 26 for MSI/MSI-X ><7> alloc irq_desc for 27 on node -1 ><7> alloc kstat_irqs on node -1 ><7>virtio-pci 0000:00:06.0: irq 27 for MSI/MSI-X ><6> vdb: vdb1 ><4>modprobe used greatest stack depth: 3928 bytes left ><6>EXT3-fs (vda3): recovery required on readonly filesystem ><6>EXT3-fs (vda3): write access will be enabled during recovery ><6>kjournald starting. Commit interval 5 seconds ><6>EXT3-fs (vda3): recovery complete ><6>EXT3-fs (vda3): mounted filesystem with ordered data mode ><6>dracut: Mounted root filesystem /dev/vda3 ><6>dracut: Switching root ><4>hostname used greatest stack depth: 3888 bytes left ><4>mount used greatest stack depth: 3008 bytes left ><6>udev: starting version 147 ><6>piix4_smbus 0000:00:01.3: SMBus Host Controller at 0xb100, revision 0 ><6>8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004) ><4>ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11 ><6>8139cp 0000:00:03.0: PCI I >(NT A -> Link[LNKC] -> GSI 11 (level, high) -> IRQ 11 ><6>eth0: RTL-8139C+ at 0xffffc90002926000, 52:54:00:61:d4:ab, IRQ 11 ><7>8139cp 0000:00:03.0: setting latency timer to 64 ><6>8139too Fast Ethernet driver 0.9.28 ><4>loadkeys used greatest stack depth: 2912 bytes left ><4>ifconfig used greatest stack depth: 2848 bytes left ><6>EXT3-fs (vda3): using internal journal ><6>kjournald starting. Commit interval 5 seconds ><6>EXT3-fs (vda1): using internal journal ><6>EXT3-fs (vda1): mounted filesystem with ordered data mode ><6>kjournald starting. Commit interval 5 seconds ><6>EXT3-fs (dm-0): using internal journal ><6>EXT3-fs (dm-0): mounted filesystem with ordered data mode ><6>EXT4-fs (dm-1): mounted filesystem with ordered data mode. Opts: ><6>Adding 1014776k swap on /dev/vda5. Priority:-1 extents:1 across:1014776k ><6>microcode: CPU0 sig=0x6d3, pf=0x1, revision=0x1 ><6>platform microcode: firmware: requesting intel-ucode/06-0d-03 ><6>microcode: CPU1 sig=0x6d3, pf=0x1, revision=0x1 ><6>platform microcode: firmware: requesting intel-ucode/06-0d-03 ><6>Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba ><6>Microcode Update Driver: v2.00 removed. ><6>NET: Registered protocol family 10 ><6>lo: Disabled Privacy Extensions ><5>Bridge firewalling registered ><6>eth0: link up, 100Mbps, full-duplex, lpa 0x05E1 ><6>device eth0 entered promiscuous mode ><6>br0: port 1(eth0) entering learning state ><6>br0: port 1(eth0) entering forwarding state ><6>RPC: Registered named UNIX socket transport module. ><6>RPC: Registered udp transport module. ><6>RPC: Registered tcp transport module. ><6>RPC: Registered tcp NFSv4.1 backchannel transport module. ><4>umount used greatest stack depth: 2832 bytes left ><6>device eth0 left promiscuous mode ><6>br0: port 1(eth0) entering disabled state ><6>kmemleak: 2952 new suspected memory leaks (see /sys/kernel/debug/kmemleak) ><6>ADDRCONF(NETDEV_UP): veth1: link is not ready ><6>ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready ><6>netconsole: local port 6666 ><6>netconsole: local IP 10.30.18.157 ><6>netconsole: interface eth0 ><6>netconsole: remote port 6666 ><6>netconsole: remote IP 10.30.2.57 ><6>netconsole: remote ethernet address 00:30:48:d0:f1:8c ><6>console [netcon0] enabled ><6>netconsole: network logging started ><6>device veth0 entered promiscuous mode ><6>br0: port 1(veth0) entering forwarding state ><6>device eth0 entered promiscuous mode ><3>BUG: sleeping function called from invalid context at kernel/mutex.c:287 ><0>BUG: spinlock recursion on CPU#0, brctl/4715 (Not tainted) ><0> lock: ffffffffa02d3000, .magic: dead4ead, .owner: brctl/4715, .owner_cpu: 0 ><4>Pid: 4715, comm: brctl Not tainted 2.6.32-279.el6.x86_64.debug #1 ><4>Call Trace: ><4> [<ffffffff812a5a1a>] ? spin_bug+0xaa/0x100 ><4> [<ffffffff812a5c45>] ? _raw_spin_lock+0x135/0x180 ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffff81534b50>] ? __atomic_notifier_call_chain+0x0/0xa0 ><4> [<ffffffff815313a5>] ? _spin_lock_irqsave+0x75/0xa0 ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffff8106f125>] ? __call_console_drivers+0x75/0x90 ><4> [<ffffffff8106f18a>] ? _call_console_drivers+0x4a/0x80 ><4> [<ffffffff8106f795>] ? release_console_sem+0xe5/0x250 ><4> [<ffffffff8106fe7e>] ? vprintk+0x23e/0x5c0 ><4> [<ffffffff814fef09>] ? packet_notifier+0xb9/0x1e0 ><4> [<ffffffff8152d4ae>] ? printk+0x41/0x43 ><4> [<ffffffff81058254>] ? __might_sleep+0x94/0x130 ><4> [<ffffffff8152f60f>] ? mutex_lock_nested+0x2f/0x60 ><4> [<ffffffff814746e7>] ? rtnl_lock+0x17/0x20 ><4> [<ffffffff8147b50c>] ? netpoll_cleanup+0x1c/0x50 ><4> [<ffffffffa02d2137>] ? netconsole_netdev_event+0xb7/0x190 [netconsole] ><4> [<ffffffff810bbbc2>] ? __module_text_address+0x12/0x60 ><4> [<ffffffff81534af8>] ? notifier_call_chain+0x58/0xb0 ><4> [<ffffffff8109d8d6>] ? raw_notifier_call_chain+0x16/0x20 ><4> [<ffffffff8146582b>] ? call_netdevice_notifiers+0x1b/0x20 ><4> [<ffffffffa0211435>] ? br_add_if+0x1d5/0x3a0 [bridge] ><4> [<ffffffffa0211ba8>] ? add_del_if+0x78/0xa0 [bridge] ><4> [<ffffffffa021257b>] ? br_dev_ioct >(l+0x4b/0x90 [bridge] ><4> [<ffffffff81467a0e>] ? dev_ifsioc+0xfe/0x2b0 ><4> [<ffffffff81467f0f>] ? dev_ioctl+0x34f/0x600 ><4> [<ffffffff8117a6b9>] ? kmem_cache_free+0x129/0x2b0 ><4> [<ffffffff810af4bd>] ? trace_hardirqs_on_caller+0x14d/0x190 ><4> [<ffffffff81451b8d>] ? sock_ioctl+0x9d/0x280 ><4> [<ffffffff811aa5a2>] ? vfs_ioctl+0x22/0xa0 ><4> [<ffffffff811aa744>] ? do_vfs_ioctl+0x84/0x590 ><4> [<ffffffff81198fa6>] ? __fput+0x1d6/0x280 ><4> [<ffffffff8100b0ea>] ? sysret_check+0x2e/0x69 ><4> [<ffffffff811aacd1>] ? sys_ioctl+0x81/0xa0 ><4> [<ffffffff8100b0b2>] ? system_call_fastpath+0x16/0x1b ><0>BUG: spinlock lockup on CPU#0, brctl/4715, ffffffffa02d3000 (Not tainted) ><4>Pid: 4715, comm: brctl Not tainted 2.6.32-279.el6.x86_64.debug #1 ><4>Call Trace: ><4> [<ffffffff812a5c7a>] ? _raw_spin_lock+0x16a/0x180 ><4> [<ffffffff81534b50>] ? __atomic_notifier_call_chain+0x0/0xa0 ><4> [<ffffffff815313a5>] ? _spin_lock_irqsave+0x75/0xa0 ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffff8106f125>] ? __call_console_drivers+0x75/0x90 ><4> [<ffffffff8106f18a>] ? _call_console_drivers+0x4a/0x80 ><4> [<ffffffff8106f795>] ? release_console_sem+0xe5/0x250 ><4> [<ffffffff8106fe7e>] ? vprintk+0x23e/0x5c0 ><4> [<ffffffff814fef09>] ? packet_notifier+0xb9/0x1e0 ><4> [<ffffffff8152d4ae>] ? printk+0x41/0x43 ><4> [<ffffffff81058254>] ? __might_sleep+0x94/0x130 ><4> [<ffffffff8152f60f>] ? mutex_lock_nested+0x2f/0x60 ><4> [<ffffffff814746e7>] ? rtnl_lock+0x17/0x20 ><4> [<ffffffff8147b50c>] ? netpoll_cleanup+0x1c/0x50 ><4> [<ffffffffa02d2137>] ? netconsole_netdev_event+0xb7/0x190 [netconsole] ><4> [<ffffffff810bbbc2>] ? __module_text_address+0x12/0x60 ><4> [<ffffffff81534af8>] ? notifier_call_chain+0x58/0xb0 ><4> [<ffffffff8109d8d6>] ? raw_notifier_call_chain+0x16/0x20 ><4> [<ffffffff8146582b>] ? call_netdevice_notifiers+0x1b/0x20 ><4> [<ffffffffa0211435>] ? br_add_if+0x1d5/0x3a0 [bridge] ><4> [<ffffffffa0211ba8>] ? add_del_if+0x78/0xa0 [bridge] ><4> [<ffffffffa021257b>] ? br_dev_ioctl+0x4b/0x90 [bridge] ><4> [<ffffffff81467a0e>] ? dev_ifsioc+0xfe/0x2b0 ><4> [<ffffffff81467f0f>] ? dev_ioctl+0x34f/0x600 ><4> [<ffffffff8117a6b9>] ? kmem_cache_free+0x129/0x2b0 ><4> [<ffffffff810af4bd>] ? trace_hardirqs_on_caller+0x14d/0x190 ><4> [<ffffffff81451b8d>] ? sock_ioctl+0x9d/0x280 ><4> [<ffffffff811aa5a2>] ? vfs_ioctl+0x22/0xa0 ><4> [<ffffffff811aa744>] ? do_vfs_ioctl+0x84/0x590 ><4> [<ffffffff81198fa6>] ? __fput+0x1d6/0x280 ><4> [<ffffffff8100b0ea>] ? sysret_check+0x2e/0x69 ><4> [<ffffffff811aacd1>] ? sys_ioctl+0x81/0xa0 ><4> [<ffffffff8100b0b2>] ? system_call_fastpath+0x16/0x1b ><6>sending NMI to all CPUs: ><4>NMI backtrace for cpu 0 ><4>CPU 0 ><4>Modules linked in: netconsole configfs veth sunrpc bridge stp llc ipv6 ext4 jbd2 virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd mbcache virtio_blk virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib] ><4>Pid: 4715, comm: brctl Not tainted 2.6.32-279.el6.x86_64.debug #1 Red Hat KVM ><4>RIP: 0010:[<ffffffff81030f71>] [<ffffffff81030f71>] flat_send_IPI_all+0xb1/0xe0 ><4>RSP: 0018:ffff880113c918d8 EFLAGS: 00010006 ><4>RAX: 0000000000000000 RBX: 0000000000000046 RCX: 0000000000000000 ><4>RDX: ffff88011916c040 RSI: 0000000000000001 RDI: 0000000000000300 ><4>RBP: ffff880113c918f8 R08: 0000000000000002 R09: 0000000000000001 ><4>R10: ffffffff81844a78 R11: 0000000000000000 R12: 0000000000000c00 ><4>R13: 0000000003000000 R14: ffff88011916c738 R15: 00000000be420630 ><4>FS: 00007fabdf0ba700(0000) GS:ffff88002c000000(0000) knlGS:0000000000000000 ><4>CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ><4>CR2: 00000034242dd840 CR3: 0000000118504000 CR4: 00000000000006f0 ><4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 ><4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 ><4>Process brctl (pid: 4715, threadinfo ffff880113c90000, task ffff88011916c040) ><4>Stack: ><4> 0000000000000008 0000000000000000 00000000be420630 ffff88011916c040 ><4><d> ffff880113c91918 ffffffff8102d006 fff >(fffffa02d3000 ffffffffa02d3000 ><4><d> ffff880113c91968 ffffffff812a5c7f ffff880113c91978 00000001a02d22b9 ><4>Call Trace: ><4> [<ffffffff8102d006>] arch_trigger_all_cpu_backtrace+0x56/0xa0 ><4> [<ffffffff812a5c7f>] _raw_spin_lock+0x16f/0x180 ><4> [<ffffffff81534b50>] ? __atomic_notifier_call_chain+0x0/0xa0 ><4> [<ffffffff815313a5>] _spin_lock_irqsave+0x75/0xa0 ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffffa02d22b9>] write_msg+0x39/0x110 [netconsole] ><4> [<ffffffff8106f125>] __call_console_drivers+0x75/0x90 ><4> [<ffffffff8106f18a>] _call_console_drivers+0x4a/0x80 ><4> [<ffffffff8106f795>] release_console_sem+0xe5/0x250 ><4> [<ffffffff8106fe7e>] vprintk+0x23e/0x5c0 ><4> [<ffffffff814fef09>] ? packet_notifier+0xb9/0x1e0 ><4> [<ffffffff8152d4ae>] printk+0x41/0x43 ><4> [<ffffffff81058254>] __might_sleep+0x94/0x130 ><4> [<ffffffff8152f60f>] mutex_lock_nested+0x2f/0x60 ><4> [<ffffffff814746e7>] rtnl_lock+0x17/0x20 ><4> [<ffffffff8147b50c>] netpoll_cleanup+0x1c/0x50 ><4> [<ffffffffa02d2137>] netconsole_netdev_event+0xb7/0x190 [netconsole] ><4> [<ffffffff810bbbc2>] ? __module_text_address+0x12/0x60 ><4> [<ffffffff81534af8>] notifier_call_chain+0x58/0xb0 ><4> [<ffffffff8109d8d6>] raw_notifier_call_chain+0x16/0x20 ><4> [<ffffffff8146582b>] call_netdevice_notifiers+0x1b/0x20 ><4> [<ffffffffa0211435>] br_add_if+0x1d5/0x3a0 [bridge] ><4> [<ffffffffa0211ba8>] add_del_if+0x78/0xa0 [bridge] ><4> [<ffffffffa021257b>] br_dev_ioctl+0x4b/0x90 [bridge] ><4> [<ffffffff81467a0e>] dev_ifsioc+0xfe/0x2b0 ><4> [<ffffffff81467f0f>] dev_ioctl+0x34f/0x600 ><4> [<ffffffff8117a6b9>] ? kmem_cache_free+0x129/0x2b0 ><4> [<ffffffff810af4bd>] ? trace_hardirqs_on_caller+0x14d/0x190 ><4> [<ffffffff81451b8d>] sock_ioctl+0x9d/0x280 ><4> [<ffffffff811aa5a2>] vfs_ioctl+0x22/0xa0 ><4> [<ffffffff811aa744>] do_vfs_ioctl+0x84/0x590 ><4> [<ffffffff81198fa6>] ? __fput+0x1d6/0x280 ><4> [<ffffffff8100b0ea>] ? sysret_check+0x2e/0x69 ><4> [<ffffffff811aacd1>] sys_ioctl+0x81/0xa0 ><4> [<ffffffff8100b0b2>] system_call_fastpath+0x16/0x1b ><4>Code: 8b 05 d4 ee 98 00 41 c1 e5 18 44 8b 60 34 ff 90 58 01 00 00 44 89 2c 25 10 b3 5f ff 41 81 cc 00 04 00 00 44 89 24 25 00 b3 5f ff <f6> c7 02 74 11 e8 85 e5 07 00 48 89 df 57 9d 0f 1f 44 00 00 eb ><4>Call Trace: ><4> <#DB[1]> <<EOE>> Pid: 4715, comm: brctl Not tainted 2.6.32-279.el6.x86_64.debug #1 ><4>Call Trace: ><4> <NMI> [<ffffffff81009a67>] ? show_regs+0x27/0x30 ><4> [<ffffffff81533189>] ? arch_trigger_all_cpu_backtrace_handler+0x79/0xa0 ><4> [<ffffffff81534af8>] ? notifier_call_chain+0x58/0xb0 ><4> [<ffffffff81534bbc>] ? __atomic_notifier_call_chain+0x6c/0xa0 ><4> [<ffffffff81534b50>] ? __atomic_notifier_call_chain+0x0/0xa0 ><4> [<ffffffff81534c06>] ? atomic_notifier_call_chain+0x16/0x20 ><4> [<ffffffff8109dd4e>] ? notify_die+0x2e/0x30 ><4> [<ffffffff81532303>] ? do_nmi+0x1a3/0x2e0 ><4> [<ffffffff81531e90>] ? nmi+0x20/0x39 ><4> [<ffffffff81030f71>] ? flat_send_IPI_all+0xb1/0xe0 ><4> <<EOE>> [<ffffffff8102d006>] ? arch_trigger_all_cpu_backtrace+0x56/0xa0 ><4> [<ffffffff812a5c7f>] ? _raw_spin_lock+0x16f/0x180 ><4> [<ffffffff81534b50>] ? __atomic_notifier_call_chain+0x0/0xa0 ><4> [<ffffffff815313a5>] ? _spin_lock_irqsave+0x75/0xa0 ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffffa02d22b9>] ? write_msg+0x39/0x110 [netconsole] ><4> [<ffffffff8106f125>] ? __call_console_drivers+0x75/0x90 ><4> [<ffffffff8106f18a>] ? _call_console_drivers+0x4a/0x80 ><4> [<ffffffff8106f795>] ? release_console_sem+0xe5/0x250 ><4> [<ffffffff8106fe7e>] ? vprintk+0x23e/0x5c0 ><4> [<ffffffff814fef09>] ? packet_notifier+0xb9/0x1e0 ><4> [<ffffffff8152d4ae>] ? printk+0x41/0x43 ><4> [<ffffffff81058254>] ? __might_sleep+0x94/0x130 ><4> [<ffffffff8152f60f>] ? mutex_lock_nested+0x2f/0x60 ><4> [<ffffffff814746e7>] ? rtnl_lock+0x17/0x20 ><4> [<ffffffff8147b50c>] ? netpoll_cleanup+0x1c/0x50 ><4> [<ffffffffa02d2137>] ? netconsole_netdev_event+0xb7/0x190 [netconsole] ><4> [<ffffffff810bbbc2>] ? __module_text_address+0x12/0x60 ><4> [<ffffffff81534af8>] ? notifier_call_chain+0x58/0xb0 ><4> [<ffffffff8109d8d6>] ? raw_notifier_call_chain+0x16/0x20 ><4> [<ffffffff8146582b>] ? call_n >(etdevice_notifiers+0x1b/0x20 ><4> [<ffffffffa0211435>] ? br_add_if+0x1d5/0x3a0 [bridge] ><4> [<ffffffffa0211ba8>] ? add_del_if+0x78/0xa0 [bridge] ><4> [<ffffffffa021257b>] ? br_dev_ioctl+0x4b/0x90 [bridge] ><4> [<ffffffff81467a0e>] ? dev_ifsioc+0xfe/0x2b0 ><4> [<ffffffff81467f0f>] ? dev_ioctl+0x34f/0x600 ><4> [<ffffffff8117a6b9>] ? kmem_cache_free+0x129/0x2b0 ><4> [<ffffffff810af4bd>] ? trace_hardirqs_on_caller+0x14d/0x190 ><4> [<ffffffff81451b8d>] ? sock_ioctl+0x9d/0x280 ><4> [<ffffffff811aa5a2>] ? vfs_ioctl+0x22/0xa0 ><4> [<ffffffff811aa744>] ? do_vfs_ioctl+0x84/0x590 ><4> [<ffffffff81198fa6>] ? __fput+0x1d6/0x280 ><4> [<ffffffff8100b0ea>] ? sysret_check+0x2e/0x69 ><4> [<ffffffff811aacd1>] ? sys_ioctl+0x81/0xa0 ><4> [<ffffffff8100b0b2>] ? system_call_fastpath+0x16/0x1b ><4>NMI backtrace for cpu 1 ><4>CPU 1 ><4>Modules linked in: netconsole configfs veth sunrpc bridge stp llc ipv6 ext4 jbd2 virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd mbcache virtio_blk virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib] ><4>Pid: 0, comm: swapper Not tainted 2.6.32-279.el6.x86_64.debug #1 Red Hat KVM ><4>RIP: 0010:[<ffffffff8103882b>] [<ffffffff8103882b>] native_safe_halt+0xb/0x10 ><4>RSP: 0018:ffff88011be95ed8 EFLAGS: 00000246 ><4>RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 ><4>RDX: ffffffff81534b50 RSI: 0000000000000001 RDI: ffffffff81014cbd ><4>RBP: ffff88011be95ed8 R08: 0000000000000000 R09: 0000000000000000 ><4>R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff819c1580 ><4>R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ><4>FS: 0000000000000000(0000) GS:ffff88002c200000(0000) knlGS:0000000000000000 ><4>CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b ><4>CR2: 00007f92d606c000 CR3: 000000011890c000 CR4: 00000000000006e0 ><4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 ><4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 ><4>Process swapper (pid: 0, threadinfo ffff88011be94000, task ffff88011be90280) ><4>Stack: ><4> ffff88011be95ef8 ffffffff81014cc2 ffff88011be95fd8 ffffffff819c1580 ><4><d> ffff88011be95f28 ffffffff81009e0b ffff88011be95f18 46be4c8ab6ed5529 ><4><d> 0000000000000000 0000000000000000 ffff88011be95f48 ffffffff81526d0f ><4>Call Trace: ><4> [<ffffffff81014cc2>] default_idle+0x52/0xc0 ><4> [<ffffffff81009e0b>] cpu_idle+0xbb/0x110 ><4> [<ffffffff81526d0f>] start_secondary+0x239/0x27c ><4>Code: 55 48 89 e5 0f 1f 44 00 00 fa c9 c3 0f 1f 40 00 55 48 89 e5 0f 1f 44 00 00 fb c9 c3 0f 1f 40 00 55 48 89 e5 0f 1f 44 00 00 fb f4 <c9> c3 0f 1f 00 55 48 89 e5 0f 1f 44 00 00 f4 c9 c3 0f 1f 40 00 ><4>Call Trace: ><4> <#DB[1]> <<EOE>> Pid: 0, comm: swapper Not tainted 2.6.32-279.el6.x86_64.debug #1 ><4>Call Trace: ><4> <NMI> [<ffffffff81009a67>] ? show_regs+0x27/0x30 ><4> [<ffffffff81533189>] ? arch_trigger_all_cpu_backtrace_handler+0x79/0xa0 ><4> [<ffffffff81534af8>] ? notifier_call_chain+0x58/0xb0 ><4> [<ffffffff81534bbc>] ? __atomic_notifier_call_chain+0x6c/0xa0 ><4> [<ffffffff81534b50>] ? __atomic_notifier_call_chain+0x0/0xa0 ><4> [<ffffffff81534c06>] ? atomic_notifier_call_chain+0x16/0x20 ><4> [<ffffffff8109dd4e>] ? notify_die+0x2e/0x30 ><4> [<ffffffff81532303>] ? do_nmi+0x1a3/0x2e0 ><4> [<ffffffff81531e90>] ? nmi+0x20/0x39 ><4> [<ffffffff81534b50>] ? __atomic_notifier_call_chain+0x0/0xa0 ><4> [<ffffffff81014cbd>] ? default_idle+0x4d/0xc0 ><4> [<ffffffff8103882b>] ? native_safe_halt+0xb/0x10 ><4> <<EOE>> [<ffffffff81014cc2>] ? default_idle+0x52/0xc0 ><4> [<ffffffff81009e0b>] ? cpu_idle+0xbb/0x110 ><4> [<ffffffff81526d0f>] ? start_secondary+0x239/0x27c
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bug 839384
: 597656