Attachment 666578 Details for Bug 889135 – guest call trace logs.

guest call trace logs.

call trace logs.txt (text/plain), 21.27 KB, created by Sibiao Luo on 2012-12-20 10:14:32 UTC

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Creator: Sibiao Luo

Created: 2012-12-20 10:14:32 UTC

Size: 21.27 KB

patch

obsolete

># nc -U /tmp/ttyS0 
>Initializing cgroup subsys cpuset
>Initializing cgroup subsys cpu
>Linux version 2.6.32-348.el6.x86_64 (mockbuild@x86-022.build.eng.bos.redhat.com) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) ) #1 SMP Mon Dec 10 12:48:03 EST 2012
>Command line: ro root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD rd_LVM_LV=VolGroup/lv_swap SYSFONT=latarcyrheb-sun16 crashkernel=128M rd_LVM_LV=VolGroup/lv_root  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb console=tty0 console=ttyS0,115200
>KERNEL supported cpus:
>  Intel GenuineIntel
>  AMD AuthenticAMD
>  Centaur CentaurHauls
>Disabled fast string operations
>BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009bc00 (usable)
> BIOS-e820: 000000000009bc00 - 00000000000a0000 (reserved)
> BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000007fffd000 (usable)
> BIOS-e820: 000000007fffd000 - 0000000080000000 (reserved)
> BIOS-e820: 00000000fffbc000 - 0000000100000000 (reserved)
>DMI 2.4 present.
>SMBIOS version 2.4 @ 0xFDA00
>last_pfn = 0x7fffd max_arch_pfn = 0x400000000
>x86 PAT enabled: cpu 0, old 0x70106, new 0x7010600070106
>init_memory_mapping: 0000000000000000-000000007fffd000
>RAMDISK: 37032000 - 37fef271
>ACPI: RSDP 00000000000fd9d0 00014 (v00 BOCHS )
>ACPI: RSDT 000000007fffd640 00034 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
>ACPI: FACP 000000007ffffe20 00074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
>ACPI: DSDT 000000007fffd8c0 024F1 (v01   BXPC   BXDSDT 00000001 INTL 20090123)
>ACPI: FACS 000000007ffffdc0 00040
>ACPI: SSDT 000000007fffd7c0 000FF (v01 BOCHS  BXPCSSDT 00000001 BXPC 00000001)
>ACPI: APIC 000000007fffd6d0 00080 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
>ACPI: SSDT 000000007fffd680 0004E (v01   BXPC BXSSDTPC 00000001 INTL 20090123)
>Setting APIC routing to flat.
>No NUMA configuration found
>Faking a node at 0000000000000000-000000007fffd000
>Bootmem setup node 0 0000000000000000-000000007fffd000
>  NODE_DATA [000000000000a000 - 000000000003dfff]
>  bootmap [000000000003e000 -  000000000004dfff] pages 10
>(7 early reservations) ==> bootmem [0000000000 - 007fffd000]
>  #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 - 0000001000]
>  #1 [0000006000 - 0000008000]       TRAMPOLINE ==> [0000006000 - 0000008000]
>  #2 [0001000000 - 000201a8e4]    TEXT DATA BSS ==> [0001000000 - 000201a8e4]
>  #3 [0037032000 - 0037fef271]          RAMDISK ==> [0037032000 - 0037fef271]
>  #4 [000009bc00 - 0000100000]    BIOS reserved ==> [000009bc00 - 0000100000]
>  #5 [000201b000 - 000201b081]              BRK ==> [000201b000 - 000201b081]
>  #6 [0000008000 - 000000a000]          PGTABLE ==> [0000008000 - 000000a000]
>found SMP MP-table at [ffff8800000fda20] fda20
>Reserving 128MB of memory at 48MB for crashkernel (System RAM: 2047MB)
>kvm-clock: Using msrs 4b564d01 and 4b564d00
>kvm-clock: cpu 0, msr 0:1c25681, boot clock
>Zone PFN ranges:
>  DMA      0x00000001 -> 0x00001000
>  DMA32    0x00001000 -> 0x00100000
>  Normal   0x00100000 -> 0x00100000
>Movable zone start PFN for each node
>early_node_map[2] active PFN ranges
>    0: 0x00000001 -> 0x0000009b
>    0: 0x00000100 -> 0x0007fffd
>ACPI: PM-Timer IO Port: 0xb008
>Setting APIC routing to flat.
>ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
>ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
>ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
>ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
>IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
>Using ACPI (MADT) for SMP configuration information
>SMP: Allowing 2 CPUs, 0 hotplug CPUs
>PM: Registered nosave memory: 000000000009b000 - 000000000009c000
>PM: Registered nosave memory: 000000000009c000 - 00000000000a0000
>PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000
>PM: Registered nosave memory: 00000000000f0000 - 0000000000100000
>Allocating PCI resources starting at 80000000 (gap: 80000000:7ffbc000)
>Booting paravirtualized kernel on KVM
>NR_CPUS:4096 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
>PERCPU: Embedded 31 pages/cpu @ffff880002200000 s94552 r8192 d24232 u1048576
>pcpu-alloc: s94552 r8192 d24232 u1048576 alloc=1*2097152
>pcpu-alloc: [0] 0 1 
>kvm-clock: cpu 0, msr 0:2216681, primary cpu clock
>kvm-stealtime: cpu 0, msr 220e840
>Built 1 zonelists in Node order, mobility grouping on.  Total pages: 516910
>Policy zone: DMA32
>Kernel command line: ro root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD rd_LVM_LV=VolGroup/lv_swap SYSFONT=latarcyrheb-sun16 crashkernel=128M rd_LVM_LV=VolGroup/lv_root  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb console=tty0 console=ttyS0,115200
>PID hash table entries: 4096 (order: 3, 32768 bytes)
>xsave/xrstor: enabled xstate_bv 0x7, cntxt size 0x340
>Checking aperture...
>No AGP bridge found
>Memory: 1903620k/2097140k available (5218k kernel code, 408k absent, 193112k reserved, 7123k data, 1264k init)
>Hierarchical RCU implementation.
>NR_IRQS:33024 nr_irqs:424
>Console: colour VGA+ 80x25
>console [tty0] enabled
>console [ttyS0] enabled
>allocated 8388608 bytes of page_cgroup
>please try 'cgroup_disable=memory' option if you don't want memory cgroups
>Detected 3392.304 MHz processor.
>Calibrating delay loop (skipped) preset value.. 6784.60 BogoMIPS (lpj=3392304)
>pid_max: default: 32768 minimum: 301
>Security Framework initialized
>SELinux:  Initializing.
>Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
>Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
>Mount-cache hash table entries: 256
>Initializing cgroup subsys ns
>Initializing cgroup subsys cpuacct
>Initializing cgroup subsys memory
>Initializing cgroup subsys devices
>Initializing cgroup subsys freezer
>Initializing cgroup subsys net_cls
>Initializing cgroup subsys blkio
>Initializing cgroup subsys perf_event
>Initializing cgroup subsys net_prio
>Disabled fast string operations
>mce: CPU supports 10 MCE banks
>alternatives: switching to unfair spinlock
>ACPI: Core revision 20090903
>ftrace: converting mcount calls to 0f 1f 44 00 00
>ftrace: allocating 21424 entries in 85 pages
>Enabling x2apic
>Enabled x2apic
>Setting APIC routing to physical x2apic
>..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>CPU0: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz stepping 09
>Performance Events: SandyBridge events, Intel PMU driver.
>... version:                2
>... bit width:              48
>... generic registers:      4
>... value mask:             0000ffffffffffff
>... max period:             000000007fffffff
>... fixed-purpose events:   3
>... event mask:             000000070000000f
>NMI watchdog enabled, takes one hw-pmu counter.
>Booting Node   0, Processors  #1 Ok.
>kvm-clock: cpu 1, msr 0:2316681, secondary cpu clock
>Disabled fast string operations
>kvm-stealtime: cpu 1, msr 230e840
>Brought up 2 CPUs
>Total of 2 processors activated (13569.21 BogoMIPS).
>devtmpfs: initialized
>regulator: core version 0.5
>NET: Registered protocol family 16
>ACPI: bus type pci registered
>PCI: Using configuration type 1 for base access
>bio: create slab <bio-0> at 0
>ACPI: Interpreter enabled
>ACPI: (supports S0 S3 S4 S5)
>ACPI: Using IOAPIC for interrupt routing
>ACPI: No dock devices found.
>HEST: Table not found.
>PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug
>ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
>pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
>pci 0000:00:01.3: quirk: [io  0xb100-0xb10f] claimed by PIIX4 SMB
>ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
>ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
>ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
>ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
>ACPI: PCI Interrupt Link [LNKS] (IRQs 9) *0
>vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
>vgaarb: loaded
>vgaarb: bridge control possible 0000:00:02.0
>SCSI subsystem initialized
>usbcore: registered new interface driver usbfs
>usbcore: registered new interface driver hub
>usbcore: registered new device driver usb
>PCI: Using ACPI for IRQ routing
>NetLabel: Initializing
>NetLabel:  domain hash size = 128
>NetLabel:  protocols = UNLABELED CIPSOv4
>NetLabel:  unlabeled traffic allowed by default
>Switching to clocksource kvm-clock
>pnp: PnP ACPI init
>ACPI: bus type pnp registered
>pnp: PnP ACPI: found 7 devices
>ACPI: ACPI bus type pnp unregistered
>pci 0000:00:02.0: BAR 1: assigned [mem 0x80000000-0x83ffffff]
>pci 0000:00:02.0: BAR 1: set to [mem 0x80000000-0x83ffffff] (PCI address [0x80000000-0x83ffffff]
>NET: Registered protocol family 2
>IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
>TCP established hash table entries: 262144 (order: 10, 4194304 bytes)
>TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
>TCP: Hash tables configured (established 262144 bind 65536)
>TCP reno registered
>NET: Registered protocol family 1
>pci 0000:00:00.0: Limiting direct PCI/PCI transfers
>pci 0000:00:01.0: PIIX3: Enabling Passive Release
>pci 0000:00:01.0: Activating ISA DMA hang workarounds
>ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
>pci 0000:00:01.2: PCI INT D -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11
>pci 0000:00:01.2: PCI INT D disabled
>Trying to unpack rootfs image as initramfs...
>Freeing initrd memory: 16116k freed
>audit: initializing netlink socket (disabled)
>type=2000 audit(1355997918.323:1): initialized
>HugeTLB registered 2 MB page size, pre-allocated 0 pages
>VFS: Disk quotas dquot_6.5.2
>Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>msgmni has been set to 3749
>alg: No test for stdrng (krng)
>ksign: Installing public key data
>Loading keyring
>- Added public key 562D624320F4F813
>- User ID: Red Hat, Inc. (Kernel Module GPG key)
>- Added public key D4A26C9CCD09BEDA
>- User ID: Red Hat Enterprise Linux Driver Update Program <secalert@redhat.com>
>Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
>io scheduler noop registered
>io scheduler anticipatory registered
>io scheduler deadline registered
>io scheduler cfq registered (default)
>pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>pciehp: PCI Express Hot Plug Controller Driver version: 0.4
>acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
>acpiphp: Slot [1] registered
>acpiphp: Slot [2] registered
>acpiphp: Slot [3] registered
>acpiphp: Slot [4] registered
>acpiphp: Slot [5] registered
>acpiphp: Slot [6] registered
>acpiphp: Slot [7] registered
>acpiphp: Slot [8] registered
>acpiphp: Slot [9] registered
>acpiphp: Slot [10] registered
>acpiphp: Slot [11] registered
>acpiphp: Slot [12] registered
>acpiphp: Slot [13] registered
>acpiphp: Slot [14] registered
>acpiphp: Slot [15] registered
>acpiphp: Slot [16] registered
>acpiphp: Slot [17] registered
>acpiphp: Slot [18] registered
>acpiphp: Slot [19] registered
>acpiphp: Slot [20] registered
>acpiphp: Slot [21] registered
>acpiphp: Slot [22] registered
>acpiphp: Slot [23] registered
>acpiphp: Slot [24] registered
>acpiphp: Slot [25] registered
>acpiphp: Slot [26] registered
>acpiphp: Slot [27] registered
>acpiphp: Slot [28] registered
>acpiphp: Slot [29] registered
>acpiphp: Slot [30] registered
>acpiphp: Slot [31] registered
>ipmi message handler version 39.2
>IPMI System Interface driver.
>ipmi_si: Adding default-specified kcs state machine
>ipmi_si: Trying default-specified kcs state machine at i/o address 0xca2, slave address 0x0, irq 0
>ipmi_si: Interface detection failed
>ipmi_si: Adding default-specified smic state machine
>ipmi_si: Trying default-specified smic state machine at i/o address 0xca9, slave address 0x0, irq 0
>ipmi_si: Interface detection failed
>ipmi_si: Adding default-specified bt state machine
>ipmi_si: Trying default-specified bt state machine at i/o address 0xe4, slave address 0x0, irq 0
>ipmi_si: Interface detection failed
>ipmi_si: Unable to find any System Interface(s)
>input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
>ACPI: Power Button [PWRF]
>ERST: Table is not found!
>GHES: HEST is not enabled!
>Non-volatile memory driver v1.3
>Linux agpgart interface v0.103
>crash memory driver: version 1.1
>Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>ï¿½serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>00:06: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>brd: module loaded
>loop: module loaded
>input: Macintosh mouse button emulation as /devices/virtual/input/input1
>Fixed MDIO Bus: probed
>ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>uhci_hcd: USB Universal Host Controller Interface driver
>uhci_hcd 0000:00:01.2: PCI INT D -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11
>uhci_hcd 0000:00:01.2: UHCI Host Controller
>uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1
>uhci_hcd 0000:00:01.2: irq 11, io base 0x0000c020
>usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
>usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>usb usb1: Product: UHCI Host Controller
>usb usb1: Manufacturer: Linux 2.6.32-348.el6.x86_64 uhci_hcd
>usb usb1: SerialNumber: 0000:00:01.2
>usb usb1: configuration #1 chosen from 1 choice
>hub 1-0:1.0: USB hub found
>hub 1-0:1.0: 2 ports detected
>PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
>serio: i8042 KBD port at 0x60,0x64 irq 1
>serio: i8042 AUX port at 0x60,0x64 irq 12
>mice: PS/2 mouse device common for all mice
>rtc_cmos 00:01: RTC can wake from S4
>rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0
>input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
>rtc0: alarms up to one day, 114 bytes nvram
>cpuidle: using governor ladder
>cpuidle: using governor menu
>EFI Variables Facility v0.08 2004-May-17
>usbcore: registered new interface driver hiddev
>usbcore: registered new interface driver usbhid
>usbhid: v2.6:USB HID core driver
>TCP cubic registered
>Initializing XFRM netlink socket
>NET: Registered protocol family 17
>registered taskstats version 1
>rtc_cmos 00:01: setting system clock to 2012-12-20 18:05:18 UTC (1356026718)
>Initalizing network drop monitor service
>Freeing unused kernel memory: 1264k freed
>Write protecting the kernel read-only data: 10240k
>Freeing unused kernel memory: 908k freed
>Freeing unused kernel memory: 1676k freed
>dracut: dracut-004-302.el6
>dracut: rd_NO_LUKS: removing cryptoluks activation
>device-mapper: uevent: version 1.0.3
>device-mapper: ioctl: 4.22.7-ioctl (2012-06-01) initialised: dm-devel@redhat.com
>udev: starting version 147
>dracut: Starting plymouth daemon
>dracut: rd_NO_DM: removing DM RAID activation
>dracut: rd_NO_MD: removing MD RAID activation
>ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
>virtio-pci 0000:00:03.0: PCI INT A -> Link[LNKC] -> GSI 10 (level, high) -> IRQ 10
>virtio-pci 0000:00:04.0: PCI INT A -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11
>ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10
>virtio-pci 0000:00:06.0: PCI INT A -> Link[LNKB] -> GSI 10 (level, high) -> IRQ 10
>scsi0 : ata_piix
>scsi1 : ata_piix
>ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc000 irq 14
>ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc008 irq 15
>usb 1-1: new full speed USB device number 2 using uhci_hcd
>ata2.01: ATAPI: QEMU DVD-ROM, 0.12.1, max UDMA/100
>ata2.01: configured for MWDMA2
>scsi 1:0:1:0: CD-ROM            QEMU     QEMU DVD-ROM     0.12 PQ: 0 ANSI: 5
> vda: vda1 vda2
> vdb:
>BUG: unable to handle kernel NULL pointer dereference at (null)
>IP: [<ffffffff811b4ed8>] create_empty_buffers+0x28/0xc0
>PGD 7a463067 PUD 7a45f067 PMD 0 
>Oops: 0002 [#1] SMP 
>last sysfs file: /sys/module/virtio/initstate
>CPU 0 
>Modules linked in: virtio_blk(+) pata_acpi ata_generic ata_piix virtio_pci virtio_ring virtio dm_mirror dm_region_hash dm_log dm_mod
>
>Pid: 420, comm: modprobe Not tainted 2.6.32-348.el6.x86_64 #1 Red Hat KVM
>RIP: 0010:[<ffffffff811b4ed8>]  [<ffffffff811b4ed8>] create_empty_buffers+0x28/0xc0
>RSP: 0018:ffff88007a5d5848  EFLAGS: 00010292
>RAX: 0000000000000000 RBX: ffffea0001ac0b88 RCX: 0000000000002000
>RDX: 0000000000000000 RSI: 0000000000002000 RDI: ffffea0001ac0b88
>RBP: ffff88007a5d5868 R08: 0000000000002000 R09: 0000000000001000
>R10: ffff88007ca2b548 R11: 0000000000000200 R12: 0000000000000000
>R13: 0000000000000000 R14: 00000000000201d0 R15: ffffea0001ac0b88
>FS:  00007feb2acc3700(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
>CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>CR2: 0000000000000000 CR3: 0000000037ce8000 CR4: 00000000001407f0
>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
>Process modprobe (pid: 420, threadinfo ffff88007a5d4000, task ffff88007a5d0080)
>Stack:
> ffff88000001a718 0000000000000000 ffff88007ca2b668 ffffea0001ac0b88
><d> ffff88007a5d5938 ffffffff811b7088 ffff88000002bb08 ffffea0001ac0b88
><d> ffff880000002000 ffff88007ca2b548 00000000000000d0 0000000000000000
>Call Trace:
> [<ffffffff811b7088>] block_read_full_page+0x2d8/0x3d0
> [<ffffffff811baea0>] ? blkdev_get_block+0x0/0x70
> [<ffffffff811753a0>] ? mem_cgroup_cache_charge+0xc0/0xd0
> [<ffffffff8113b3ae>] ? __inc_zone_page_state+0x2e/0x30
> [<ffffffff8112fb60>] ? __lru_cache_add+0x40/0x90
> [<ffffffff811bc0c8>] blkdev_readpage+0x18/0x20
> [<ffffffff8111bb7b>] do_read_cache_page+0x7b/0x180
> [<ffffffff811bc0b0>] ? blkdev_readpage+0x0/0x20
> [<ffffffff8111bcc9>] read_cache_page_async+0x19/0x20
> [<ffffffff8111bcde>] read_cache_page+0xe/0x20
> [<ffffffff811f4e20>] read_dev_sector+0x30/0xa0
> [<ffffffff811f7a41>] read_lba+0x101/0x110
> [<ffffffff811f7f21>] find_valid_gpt+0xc1/0x650
> [<ffffffff8106f181>] ? vprintk+0x251/0x560
> [<ffffffff811f852f>] efi_partition+0x7f/0x370
> [<ffffffff8150c86f>] ? printk+0x41/0x4a
> [<ffffffff811f5606>] rescan_partitions+0x196/0x410
> [<ffffffff811bc9b6>] __blkdev_get+0x1b6/0x3b0
> [<ffffffff811bcbc0>] blkdev_get+0x10/0x20
> [<ffffffff811f4fe5>] register_disk+0x155/0x170
> [<ffffffff812657d6>] add_disk+0xa6/0x1a0
> [<ffffffffa006d0ca>] virtblk_probe+0x42b/0x4d0 [virtio_blk]
> [<ffffffffa003d370>] virtio_dev_probe+0xd0/0x110 [virtio]
> [<ffffffff8135e600>] driver_probe_device+0xa0/0x2a0
> [<ffffffff8135e8ab>] __driver_attach+0xab/0xb0
> [<ffffffff8135e800>] ? __driver_attach+0x0/0xb0
> [<ffffffff8135dbb4>] bus_for_each_dev+0x64/0x90
> [<ffffffff8135e39e>] driver_attach+0x1e/0x20
> [<ffffffff8135d3e8>] bus_add_driver+0x1e8/0x2b0
> [<ffffffff8135ebf6>] driver_register+0x76/0x140
> [<ffffffffa0070000>] ? init+0x0/0x85 [virtio_blk]
> [<ffffffffa003d52d>] register_virtio_driver+0x1d/0x2c [virtio]
> [<ffffffffa007005b>] init+0x5b/0x85 [virtio_blk]
> [<ffffffff8100204c>] do_one_initcall+0x3c/0x1d0
> [<ffffffff810b7491>] sys_init_module+0xe1/0x250
> [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
>Code: 44 00 00 55 48 89 e5 41 55 41 54 53 48 83 ec 08 0f 1f 44 00 00 49 89 d4 ba 01 00 00 00 48 89 fb e8 ee fe ff ff 49 89 c5 0f 1f 00 <4c> 09 20 48 89 c2 48 8b 40 08 48 85 c0 75 f1 4c 89 6a 08 48 8b 
>RIP  [<ffffffff811b4ed8>] create_empty_buffers+0x28/0xc0
> RSP <ffff88007a5d5848>
>CR2: 0000000000000000
>---[ end trace dcbd5a8bf5cbfc6a ]---
>Kernel panic - not syncing: Fatal exception
>Pid: 420, comm: modprobe Tainted: G      D    ---------------    2.6.32-348.el6.x86_64 #1
>Call Trace:
> [<ffffffff8150c766>] ? panic+0xa0/0x168
> [<ffffffff81510994>] ? oops_end+0xe4/0x100
> [<ffffffff81046bfb>] ? no_context+0xfb/0x260
> [<ffffffff8113b2d9>] ? zone_statistics+0x99/0xc0
> [<ffffffff81046e85>] ? __bad_area_nosemaphore+0x125/0x1e0
>input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3
> [<ffffffff81046fae>] ? bad_area+0x4e/0x60
> [<ffffffff81047760>] ? __do_page_fault+0x3d0/0x480
> [<ffffffff815128be>] ? do_page_fault+0x3e/0xa0
> [<ffffffff8150fc75>] ? page_fault+0x25/0x30
> [<ffffffff811b4ed8>] ? create_empty_buffers+0x28/0xc0
> [<ffffffff811b4ed2>] ? create_empty_buffers+0x22/0xc0
> [<ffffffff811b7088>] ? block_read_full_page+0x2d8/0x3d0
> [<ffffffff811baea0>] ? blkdev_get_block+0x0/0x70
> [<ffffffff811753a0>] ? mem_cgroup_cache_charge+0xc0/0xd0
> [<ffffffff8113b3ae>] ? __inc_zone_page_state+0x2e/0x30
> [<ffffffff8112fb60>] ? __lru_cache_add+0x40/0x90
> [<ffffffff811bc0c8>] ? blkdev_readpage+0x18/0x20
> [<ffffffff8111bb7b>] ? do_read_cache_page+0x7b/0x180
> [<ffffffff811bc0b0>] ? blkdev_readpage+0x0/0x20
> [<ffffffff8111bcc9>] ? read_cache_page_async+0x19/0x20
> [<ffffffff8111bcde>] ? read_cache_page+0xe/0x20
> [<ffffffff811f4e20>] ? read_dev_sector+0x30/0xa0
> [<ffffffff811f7a41>] ? read_lba+0x101/0x110
> [<ffffffff811f7f21>] ? find_valid_gpt+0xc1/0x650
> [<ffffffff8106f181>] ? vprintk+0x251/0x560
> [<ffffffff811f852f>] ? efi_partition+0x7f/0x370
> [<ffffffff8150c86f>] ? printk+0x41/0x4a
> [<ffffffff811f5606>] ? rescan_partitions+0x196/0x410
> [<ffffffff811bc9b6>] ? __blkdev_get+0x1b6/0x3b0
> [<ffffffff811bcbc0>] ? blkdev_get+0x10/0x20
> [<ffffffff811f4fe5>] ? register_disk+0x155/0x170
> [<ffffffff812657d6>] ? add_disk+0xa6/0x1a0
> [<ffffffffa006d0ca>] ? virtblk_probe+0x42b/0x4d0 [virtio_blk]
> [<ffffffffa003d370>] ? virtio_dev_probe+0xd0/0x110 [virtio]
> [<ffffffff8135e600>] ? driver_probe_device+0xa0/0x2a0
> [<ffffffff8135e8ab>] ? __driver_attach+0xab/0xb0
> [<ffffffff8135e800>] ? __driver_attach+0x0/0xb0
> [<ffffffff8135dbb4>] ? bus_for_each_dev+0x64/0x90
> [<ffffffff8135e39e>] ? driver_attach+0x1e/0x20
> [<ffffffff8135d3e8>] ? bus_add_driver+0x1e8/0x2b0
> [<ffffffff8135ebf6>] ? driver_register+0x76/0x140
> [<ffffffffa0070000>] ? init+0x0/0x85 [virtio_blk]
> [<ffffffffa003d52d>] ? register_virtio_driver+0x1d/0x2c [virtio]
> [<ffffffffa007005b>] ? init+0x5b/0x85 [virtio_blk]
> [<ffffffff8100204c>] ? do_one_initcall+0x3c/0x1d0
> [<ffffffff810b7491>] ? sys_init_module+0xe1/0x250
> [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b
>

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Attachments on bug 889135: 666578