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Message #12115
[Bug 1214931] Re: kernel oops in free_task
I did a BIOS upgrade from 1.20 to 1.39 followed by a run of RC4 which
upon connecting the touchpad crashed.
I have not dug in to see if it's related.
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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
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References