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[Vincent Ladeuil <1336859@xxxxxxxxxxxxxxxxxx>]

I'm testing the kernel mentioned in bug #1314274 as this bug seems to be
a duplicate, will mark it as such if I don't get a crash in the next
days.

Note that I had to
http://www.ubuntuupdates.org/package/canonical_kernel_team/trusty/main/base
/linux-headers-3.13.0-31 in addition to the packages provided at
http://people.canonical.com/~arges/lp1314274.trusty/ to get a proper
install

** Summary changed:

- crash without any trace in log files
+ crash in nf_nat_cleanup_conntrack without any trace in log files

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https://bugs.launchpad.net/bugs/1336859

Title:
  crash in nf_nat_cleanup_conntrack without any trace in log files

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  This is the second time (unclear about a third one) I encounter this
  crash and all I could do was power-cycling to reboot.

  /var/crash is empty

  /var/log/syslog and /var/log/kern.log don't contain any hint around
  the crash time (the subsequent reboot is present though).

  So I took a picture (attached) :-}

  The last time this bug occurred, I was destroying a juju env with 13
  lxcs instances but I've since done it again without reproducing the
  issue (and I do it on a ~regular basis without triggering the bug).

  Hopefully the traceback can provide some hints ?

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.54
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  vila      13341 F.... pulseaudio
   /dev/snd/controlC1:  vila      13341 F.... pulseaudio
   /dev/snd/controlC3:  vila      13341 F.... pulseaudio
   /dev/snd/controlC0:  vila      13341 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jul  2 18:37:20 2014
  InstallationDate: Installed on 2011-06-23 (1105 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64+mac (20110427.1)
  MachineType: System manufacturer System Product Name
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic root=UUID=9e03ea1c-298d-4b96-9870-4db1fe183774 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.127.4
  RfKill:
   0: hci0: Bluetooth
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-08 (85 days ago)
  dmi.bios.date: 09/21/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2209
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P6T DELUXE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2209:bd09/21/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6TDELUXE:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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