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[tremby <1176458@xxxxxxxxxxxxxxxxxx>]

Currently on kernel 3.9.4-030904-generic and I just had this lockup
again. Is there anything else I can try, debug info I can give?

The last lines in syslog before the fresh boot are

Dec  3 21:27:19 segnus kernel: [  787.909643] audit_printk_skb: 27 callbacks suppressed
Dec  3 21:27:19 segnus kernel: [  787.909654] type=1400 audit(1386134839.709:27): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=982 comm="cupsd" pid=982 comm="cupsd" capability=36  capname="block_suspend"

but I don't know the timings -- that could have been a good few minutes
before the lockup.

** Changed in: linux (Ubuntu)
       Status: Expired => New

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https://bugs.launchpad.net/bugs/1176458

Title:
  Total system lockup on power cable connect/disconnect

Status in “linux” package in Ubuntu:
  New

Bug description:
  I've had this issue for six months or more, though it is fairly
  infrequent. My laptop (Dell Latitude E4300) will lock up entirely
  (keyboard and mouse not functioning, not responding to pings or sshd,
  I'm left with whatever image was last on the screen, frozen) sometimes
  when the power cable is plugged in or unplugged. I'd say it's maybe 1
  in 15 times, but today it happened twice in a row and so it's finally
  time to try to solve it. I have to hold down the power button to power
  down and reboot when this happens, sometimes losing some work.

  I'm not sure if my kern.log is being uploaded with this (I'll add it
  afterwards if I don't see it) but the last two restarts were both
  manual because of such lockups. I don't see any useful errors before
  the first [0.00000] lines (May 4, 17:25:41 and 17:27:12), though.

  I googled around and one suggestion was to remove the jupiter package.
  That was not installed. I'm not sure where to go from here given that
  there's nothing useful I can find in the error logs.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-41-generic 3.2.0-41.66
  ProcVersionSignature: Ubuntu 3.2.0-41.66-generic 3.2.42
  Uname: Linux 3.2.0-41-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.2
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  bjn        2673 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf6adc000 irq 47'
     Mixer name	: 'Intel Cantiga HDMI'
     Components	: 'HDA:111d76b2,1028024d,00100302 HDA:80862802,80860101,00100000'
     Controls      : 26
     Simple ctrls  : 12
  Date: Sat May  4 17:59:03 2013
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
  MachineType: Dell Inc. Latitude E4300
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=rxvt-unicode-256color
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/zsh
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-41-generic root=UUID=aad18ab7-9eac-46f6-881b-a44e0c7cfa73 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-41-generic N/A
   linux-backports-modules-3.2.0-41-generic  N/A
   linux-firmware                            1.79.4
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/13/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A12
  dmi.board.asset.tag: UOS-009979
  dmi.board.name: 0D201R
  dmi.board.vendor: Dell Inc.
  dmi.chassis.asset.tag: UOS-009979
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA12:bd10/13/2009:svnDellInc.:pnLatitudeE4300:pvr:rvnDellInc.:rn0D201R:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude E4300
  dmi.sys.vendor: Dell Inc.

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