kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

The Saucy kernel in -proposed has now been rebased to upstream 3.11.2.
If this is fixed upstream, the fix should have made it's way  in to the
Saucy kernel with this rebase.  Can you test the latest -proposed kernel
to see if it resolves this bug:

https://launchpad.net/ubuntu/+source/linux/3.11.0-9.16/+build/5055306

Both the linux-image and linux-image-extra .deb packages need to be
installed from that page.

Another option would be to just enable the -proposed repository:
 https://wiki.ubuntu.com/Testing/EnableProposed


** Also affects: linux (Ubuntu Saucy)
   Importance: High
       Status: Confirmed

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https://bugs.launchpad.net/bugs/1227023

Title:
  Machine locks up a few times a day

Status in “linux” package in Ubuntu:
  Confirmed
Status in “linux” source package in Saucy:
  Confirmed

Bug description:
  My machine is locking up a few times a day. These lockups seem to be
  graphics-related -- they often occur when opening a new tab in
  Chromium or a new window or Unity indicator menu shows on the screen
  -- but are not universally so. Sometimes the machine will lock up of
  its own accord when no-one is using it at all.

  When locked up, the machine is unresponsive to keypresses and mouse
  movements; I cannot, for example, switch to a virtual console. It will
  not answer ssh connections (the network going down is why I think it
  might be a kernel problem rather than X). It *does* respond to
  SysRq+REISUB. However, SysRq+1t does not leave any trace in kern.log
  after a reboot.

  I have run memtest86 overnight and it shows no errors.

  This started happening under raring; I have upgraded to saucy in the
  hope that it would fix the problem and it has not. It occurs using
  both Xorg and Xmir.

  I am unable to trigger the problem at will.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-7-generic 3.11.0-7.14
  ProcVersionSignature: Ubuntu 3.11.0-7.14-generic 3.11.1
  Uname: Linux 3.11.0-7-generic x86_64
  ApportVersion: 2.12.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  aquarius   3679 F.... pulseaudio
   /dev/snd/controlC0:  aquarius   3679 F.... pulseaudio
  CheckboxSubmission: 4d186c1dd89d3ba4cb89f5ee55713686
  CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
  Date: Wed Sep 18 10:19:36 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=2a997b66-19bc-46c5-b10c-2d09ecf514eb
  InstallationDate: Installed on 2011-12-11 (646 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111211)
  MachineType: LENOVO 1080
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-7-generic root=UUID=1897a7e0-a3e7-4d65-811e-c8ffeacf0435 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-7-generic N/A
   linux-backports-modules-3.11.0-7-generic  N/A
   linux-firmware                            1.114
  SourcePackage: linux
  StagingDrivers: zram
  UpgradeStatus: Upgraded to saucy on 2013-09-05 (12 days ago)
  dmi.bios.date: 11/21/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 56CN38WW
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U300s
  dmi.board.vendor: LENOVO
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo IdeaPad U300s
  dmi.modalias: dmi:bvnLENOVO:bvr56CN38WW:bd11/21/2011:svnLENOVO:pn1080:pvrLenovoIdeaPadU300s:rvnLENOVO:rnU300s:rvr1.0:cvnLENOVO:ct10:cvrLenovoIdeaPadU300s:
  dmi.product.name: 1080
  dmi.product.version: Lenovo IdeaPad U300s
  dmi.sys.vendor: LENOVO

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