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[WeiKeTing <1295198@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

It some like following found in dmesg:
Call Trace:
[    5.741687]  <IRQ>  [<ffffffff81711075>] dump_stack+0x45/0x56

it don't look normal and so maybe it's something wrong happen!

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-18-generic 3.13.0-18.38
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic x86_64
NonfreeKernelModules: wl nvidia
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  wkt        3824 F.... pulseaudio
 /dev/snd/controlC0:  wkt        3824 F.... pulseaudio
 /dev/snd/pcmC0D0p:   wkt        3824 F...m pulseaudio
 /dev/snd/pcmC0D1c:   wkt        3824 F...m pulseaudio
CurrentDesktop: Unity
Date: Thu Mar 20 23:39:35 2014
InstallationDate: Installed on 2014-03-08 (12 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140307)
MachineType: Apple Inc. MacBookPro9,1
ProcFB:
 0 EFI VGA
 1 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-18-generic.efi.signed root=UUID=025c21aa-7414-4f4d-820d-186b0cb78d9e ro
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-18-generic N/A
 linux-backports-modules-3.13.0-18-generic  N/A
 linux-firmware                             1.126
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/08/2012
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP91.88Z.00D3.B08.1208081132
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-4B7AC7E43945597E
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro9,1
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-4B7AC7E43945597E
dmi.modalias: dmi:bvnAppleInc.:bvrMBP91.88Z.00D3.B08.1208081132:bd08/08/2012:svnAppleInc.:pnMacBookPro9,1:pvr1.0:rvnAppleInc.:rnMac-4B7AC7E43945597E:rvrMacBookPro9,1:cvnAppleInc.:ct10:cvrMac-4B7AC7E43945597E:
dmi.product.name: MacBookPro9,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

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


** Tags: amd64 apport-bug trusty

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https://bugs.launchpad.net/bugs/1295198

Title:
  It look there is some crash in kernel

Status in “linux” package in Ubuntu:
  New

Bug description:
  It some like following found in dmesg:
  Call Trace:
  [    5.741687]  <IRQ>  [<ffffffff81711075>] dump_stack+0x45/0x56

  it don't look normal and so maybe it's something wrong happen!

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-18-generic 3.13.0-18.38
  ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
  Uname: Linux 3.13.0-18-generic x86_64
  NonfreeKernelModules: wl nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  wkt        3824 F.... pulseaudio
   /dev/snd/controlC0:  wkt        3824 F.... pulseaudio
   /dev/snd/pcmC0D0p:   wkt        3824 F...m pulseaudio
   /dev/snd/pcmC0D1c:   wkt        3824 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Thu Mar 20 23:39:35 2014
  InstallationDate: Installed on 2014-03-08 (12 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140307)
  MachineType: Apple Inc. MacBookPro9,1
  ProcFB:
   0 EFI VGA
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-18-generic.efi.signed root=UUID=025c21aa-7414-4f4d-820d-186b0cb78d9e ro
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-18-generic N/A
   linux-backports-modules-3.13.0-18-generic  N/A
   linux-firmware                             1.126
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/08/2012
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBP91.88Z.00D3.B08.1208081132
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-4B7AC7E43945597E
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookPro9,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-4B7AC7E43945597E
  dmi.modalias: dmi:bvnAppleInc.:bvrMBP91.88Z.00D3.B08.1208081132:bd08/08/2012:svnAppleInc.:pnMacBookPro9,1:pvr1.0:rvnAppleInc.:rnMac-4B7AC7E43945597E:rvrMacBookPro9,1:cvnAppleInc.:ct10:cvrMac-4B7AC7E43945597E:
  dmi.product.name: MacBookPro9,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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