Hi Olli, bug 1218004 seems very similar. However, that bug seems to have been introduced in v3.11-rc1. If possible, can you confirm that you don't see your bug in v3.11-rc1, which can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11-rc1-saucy/ -- 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/1214931 Title: kernel oops in free_task Status in “linux” package in Ubuntu: In Progress Bug description: dist upgrade to Saucy on 8/21, running 3.11.0-3 [ 0.000000] Linux version 3.11.0-3-generic (buildd@roseapple) (gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-9ubuntu1) ) #7-Ubuntu SMP Tue Aug 20 15:21:58 UTC 2013 (Ubuntu 3.11.0-3.7-generic 3.11.0-rc6) systems works for a few minutes then stalls completely was able to get a dmesg (attached pic below) shortly before the hard freeze. Attached kern.log should have same information starting at at 8:07:35 other attachments were created via ubuntu-bug linux prior to the 8:07:35 crash systems works fine on root@minime:/var/log# uname -a Linux minime 3.10.0-6-generic #17-Ubuntu SMP Fri Jul 26 18:29:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-3-generic 3.11.0-3.7 ProcVersionSignature: Ubuntu 3.11.0-3.7-generic 3.11.0-rc6 Uname: Linux 3.11.0-3-generic x86_64 ApportVersion: 2.12.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: lightdm 1609 F.... pulseaudio /dev/snd/controlC0: lightdm 1609 F.... pulseaudio Date: Wed Aug 21 08:00:05 2013 HibernationDevice: RESUME=UUID=8e954843-0e0e-415b-a54f-0c1185f5475e InstallationDate: Installed on 2013-06-13 (69 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: LENOVO 4286CTO MarkForUpload: True ProcEnviron: TERM=linux PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-3-generic root=UUID=a532432e-5fb3-45bf-8fb2-5b3aa286e005 ro i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.11.0-3-generic N/A linux-backports-modules-3.11.0-3-generic N/A linux-firmware 1.113 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/07/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 8DET50WW (1.20 ) dmi.board.asset.tag: Not Available dmi.board.name: 4286CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr8DET50WW(1.20):bd07/07/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 4286CTO dmi.product.version: ThinkPad X220 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1214931/+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
