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[Bug 1117499] Re: killall -9 firefox fails to work in raring


The issue is no longer reproducible with a current trusty kernel in my
current configuration (3.12.0-7-generic, with an SSD - I think this bug
report may have been from before I installed the SSD).  So there doesn't
seem to be any point in testing further upstream kernels.

** Changed in: linux (Ubuntu)
       Status: Incomplete => Triaged

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  killall -9 firefox fails to work in raring

Status in “linux” package in Ubuntu:

Bug description:
  Something is wrong in raring.  After upgrade, I have twice run into a
  problem where firefox takes over 100% of a CPU, X takes 100% of
  another, and the desktop is completely unresponsive (even to the point
  that the cursor doesn't move and I can't switch VTs).

  The reason I'm filing this bug against the kernel, however, is that
  this time I decided to kill -9 firefox... and *it's not working*.

  So something is seriously wrong with this kernel, because kill -9
  shouldn't fail.

  $ uname -a
  Linux virgil 3.8.0-4-generic #8-Ubuntu SMP Fri Feb 1 18:02:56 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

  More debugging information will be available once I figure out how to successfully recover the desktop session.
  ApportVersion: 2.8-0ubuntu4
  Architecture: amd64
   /dev/snd/controlC1:  vorlon     3703 F.... pulseaudio
   /dev/snd/pcmC1D0c:   vorlon     3703 F...m pulseaudio
   /dev/snd/controlC0:  vorlon     3703 F.... pulseaudio
   /dev/snd/pcmC0D0p:   vorlon     3703 F...m pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=f6ab3c43-61b4-4af7-bf03-fa3b147a1de0
  InstallationDate: Installed on 2010-09-24 (866 days ago)
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  MachineType: LENOVO 3249CTO
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-4-generic root=/dev/mapper/hostname-root ro quiet splash --verbose vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-4.8-generic 3.8.0-rc6
   linux-restricted-modules-3.8.0-4-generic N/A
   linux-backports-modules-3.8.0-4-generic  N/A
   linux-firmware                           1.100
  Tags:  raring running-unity
  Uname: Linux 3.8.0-4-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-01-25 (12 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin mythtv plugdev sambashare src sudo
  dmi.bios.date: 08/23/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6QET52WW (1.22 )
  dmi.board.name: 3249CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6QET52WW(1.22):bd08/23/2010:svnLENOVO:pn3249CTO:pvrThinkPadX201:rvnLENOVO:rn3249CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 3249CTO
  dmi.product.version: ThinkPad X201
  dmi.sys.vendor: LENOVO

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