Jay Foad, as per http://www.dell.com/support/troubleshooting/us/en/19/Product/latitude-e6500 an update is available for your BIOS (A29). If you update to this, does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Thank you for your understanding. ** Tags added: bios-outdated-a29 needs-upstream-testing regression- potential ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1099460/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp