kernel-packages team mailing list archive

[marcin <mpekalski@xxxxxxxxx>]

1) I made a clean install of Lubuntu 15.10, run apt-get dist-upgrade
followed by apt-get update. Everything was fine, no watchdog warning in
the log. It appeared when I launched installation of AMD Propriataty
Driver Installation - not even after installing it but after first or
second click on continue button during the installation process.

2) When I upgraded to kernel 4.4 the watchdog warning was not there, but
again fglrx did not work, which I think plays some role in the warning.

3) As for now I got back to 4.2 and the the system itself is usable, it
just keeps on writing the warning to the log.

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https://bugs.launchpad.net/bugs/1530726

Title:
  watchdog detected hard lockup

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  About every 10 seconds i get a log in syslog or kern.log

  WARNING: CPU: 7 PID: 4866 at /build/linux-
  cRemOf/linux-4.2.0/kernel/watchdog.c:311
  watchdog_overflow_callback+0x79/0xa0()

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-22-generic 4.2.0-22.27
  ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
  Uname: Linux 4.2.0-22-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  marcin     1256 F.... lxpanel
  CurrentDesktop: LXDE
  Date: Mon Jan  4 00:23:00 2016
  HibernationDevice: RESUME=/dev/sdd3
  InstallationDate: Installed on 2016-01-02 (1 days ago)
  InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: ASUS All Series
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-22-generic root=UUID=3138e8f7-7f65-4cf0-ae12-60bb84d66ab4 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-22-generic N/A
   linux-backports-modules-4.2.0-22-generic  N/A
   linux-firmware                            1.149.3
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/18/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2103
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z87-PRO
  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.:bvr2103:bd08/18/2014:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnZ87-PRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: All Series
  dmi.product.version: System Version
  dmi.sys.vendor: ASUS

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