Public bug reported:

Reproducable 100% of the time.

sudo md5deep -r -c -z /dev/
Other intensive I/O commands such as fsck /dev/Some3TBDrive also cause the 
panic.

/var/log/kern.log shows stack trace.

Ubuntu 13.04 64-bit (amd64) Server Edition

Tested running under VMWare ESXi 5, VMWare Workstation 9, and on
physical machine.

Possibly related to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203933

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-26-generic 3.8.0-26.38
ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
Uname: Linux 3.8.0-26-generic x86_64
AlsaDevices:
 total 0
 crw-rw---T 1 root audio 116,  1 Jul 16 19:29 seq
 crw-rw---T 1 root audio 116, 33 Jul 16 19:29 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Wed Jul 31 15:49:15 2013
HibernationDevice: RESUME=UUID=94c0600c-fa67-431a-a43c-ed68d6b13af7
InstallationDate: Installed on 2013-07-16 (14 days ago)
InstallationMedia: Ubuntu-Server 13.04 "Raring Ringtail" - Release amd64 
(20130423.1)
IwConfig:
 eth0      no wireless extensions.
 
 lo        no wireless extensions.
Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize 
libusb: -99
MachineType: VMware, Inc. VMware Virtual Platform
MarkForUpload: True
PciMultimedia:
 
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-26-generic 
root=/dev/mapper/hostname--vg-root ro
RelatedPackageVersions:
 linux-restricted-modules-3.8.0-26-generic N/A
 linux-backports-modules-3.8.0-26-generic  N/A
 linux-firmware                            1.106
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/22/2012
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: 440BX Desktop Reference Platform
dmi.board.vendor: Intel Corporation
dmi.board.version: None
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd06/22/2012:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: VMware Virtual Platform
dmi.product.version: None
dmi.sys.vendor: VMware, Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug raring

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1206980

Title:
  Kernel panic in 3.8.0-26-generic and 3.8.0-27-generic

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Reproducable 100% of the time.

  sudo md5deep -r -c -z /dev/
  Other intensive I/O commands such as fsck /dev/Some3TBDrive also cause the 
panic.

  /var/log/kern.log shows stack trace.

  Ubuntu 13.04 64-bit (amd64) Server Edition

  Tested running under VMWare ESXi 5, VMWare Workstation 9, and on
  physical machine.

  Possibly related to
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203933

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-26-generic 3.8.0-26.38
  ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
  Uname: Linux 3.8.0-26-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---T 1 root audio 116,  1 Jul 16 19:29 seq
   crw-rw---T 1 root audio 116, 33 Jul 16 19:29 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  Date: Wed Jul 31 15:49:15 2013
  HibernationDevice: RESUME=UUID=94c0600c-fa67-431a-a43c-ed68d6b13af7
  InstallationDate: Installed on 2013-07-16 (14 days ago)
  InstallationMedia: Ubuntu-Server 13.04 "Raring Ringtail" - Release amd64 
(20130423.1)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize 
libusb: -99
  MachineType: VMware, Inc. VMware Virtual Platform
  MarkForUpload: True
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-26-generic 
root=/dev/mapper/hostname--vg-root ro
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-26-generic N/A
   linux-backports-modules-3.8.0-26-generic  N/A
   linux-firmware                            1.106
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/22/2012
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: 6.00
  dmi.board.name: 440BX Desktop Reference Platform
  dmi.board.vendor: Intel Corporation
  dmi.board.version: None
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd06/22/2012:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
  dmi.product.name: VMware Virtual Platform
  dmi.product.version: None
  dmi.sys.vendor: VMware, Inc.

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