kernel-packages team mailing list archive

[Eric Detheridge <ericdetheridge@xxxxxxxxxxx>]

apport information

** Attachment added: "BootDmesg.txt"
   https://bugs.launchpad.net/bugs/1482187/+attachment/4537699/+files/BootDmesg.txt

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https://bugs.launchpad.net/bugs/1482187

Title:
  [147461.082140] BUG: soft lockup - CPU#3 stuck for 22s!
  [khugepaged:40]

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Happened right after a YouTube video of music finished. mouse and
  keyboard locked up but system monitor applet kept running showing full
  usage of all four cpu cores. tried to log on remotely but this was
  very slow. used htop to see what was using cpu but it showed only
  three cores active with boinc work units as usual conflicting with the
  system monitor applet. eventually htop stopped working. could not find
  excess cpu usage with top either. eventually the system monitor applet
  showed only 50% cpu usage with lots of io waiting. eventually did soft
  reset. cpu is overclocked but has run stable with heavy boinc usage
  for weeks.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-45-generic 3.16.0-45.60~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-45.60~14.04.1-generic 3.16.7-ckt14
  Uname: Linux 3.16.0-45-generic x86_64
  NonfreeKernelModules: fglrx
  Annotation: Your system might become unstable now and might need to be restarted.
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
  Date: Thu Aug  6 06:00:27 2015
  Failure: oops
  InstallationDate: Installed on 2013-02-13 (904 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  SourcePackage: linux-lts-utopic
  Title: [147461.082140] BUG: soft lockup - CPU#3 stuck for 22s! [khugepaged:40]
  UpgradeStatus: Upgraded to trusty on 2014-05-12 (451 days ago)
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=5789d1b5-fee2-4f44-8401-ae2633a5a6d9
  InstallationDate: Installed on 2013-02-13 (1040 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: System manufacturer System Product Name
  NonfreeKernelModules: fglrx
  Package: linux (not installed)
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-21-generic root=/dev/mapper/ubuntu-root ro quiet splash nogpumanager vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-21.25~14.04.1-generic 4.2.6
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-21-generic N/A
   linux-backports-modules-4.2.0-21-generic  N/A
   linux-firmware                            1.127.19
  RfKill:
   
  Tags:  trusty
  Uname: Linux 4.2.0-21-generic x86_64
  UpgradeStatus: Upgraded to trusty on 2014-05-12 (586 days ago)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo
  WifiSyslog:
   
  _MarkForUpload: True
  dmi.bios.date: 05/22/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 5601
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: F1A75-M-PRO R2.0
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5601:bd05/22/2014:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnF1A75-M-PROR2.0:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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