kernel-packages team mailing list archive

[Jay Foad <1099460@xxxxxxxxxxxxxxxxxx>]

Christopher, I have now updated my BIOS from A19 to A29, and the problem
has gone away. Thanks!

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https://bugs.launchpad.net/bugs/1099460

Title:
  perf top triggers kernel oops

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  As root, if I run:

  $ perf top -e branch-misses:pp

  then I immediately get a kernel oops; see attached screenshot for
  details.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-tools-common 3.5.0-21.32
  ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
  Uname: Linux 3.5.0-21-generic x86_64
  ApportVersion: 2.6.1-0ubuntu9
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jay        2553 F.... pulseaudio
  Date: Mon Jan 14 16:07:06 2013
  Dependencies:
   
  InstallationDate: Installed on 2010-04-15 (1005 days ago)
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406.1)
  MachineType: Dell Inc. Latitude E6500
  MarkForUpload: True
  PackageArchitecture: all
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-21-generic root=UUID=5b5eb966-b7f6-4dbc-888e-f93c529ca733 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-21-generic N/A
   linux-backports-modules-3.5.0-21-generic  N/A
   linux-firmware                            1.95
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to quantal on 2012-10-23 (83 days ago)
  dmi.bios.date: 12/21/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A19
  dmi.board.name: 0W612R
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA19:bd12/21/2009:svnDellInc.:pnLatitudeE6500:pvr:rvnDellInc.:rn0W612R:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude E6500
  dmi.sys.vendor: Dell Inc.

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