Public bug reported:
Did an upgrade this morning and since then the performance on my machine has
been very sluggish.
Apport collected this issue. from top I can see kworker hogging the cpu.
uname -a
Linux ronoc-work-laptop 2.6.38-7-generic #39-Ubuntu SMP Fri Mar 25 19:38:02 UTC
2011 i686 i686 i386 GNU/Linux
ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.39
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be
restarted.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/controlC0',
'/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p',
'/dev/snd/pcmC0D1p', '/dev/snd/by-path', '/dev/snd/controlC29', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe020000 irq 45'
Mixer name : 'Analog Devices AD1984'
Components : 'HDA:11d41984,17aa20d6,00100400'
Controls : 32
Simple ctrls : 20
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
7MHT24WW-1.02'
Mixer name : 'ThinkPad EC 7MHT24WW-1.02'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Mon Mar 28 10:58:36 2011
Failure: oops
HibernationDevice: RESUME=UUID=ca50cf91-2c38-48e5-9a17-66fbff522305
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: LENOVO 7673W6M
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic
root=UUID=10895c4d-be2e-4bc2-810b-9f25a8100721 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-7-generic N/A
linux-backports-modules-2.6.38-7-generic N/A
linux-firmware 1.49
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
Title: kernel BUG at
/build/buildd/linux-2.6.38/drivers/gpu/drm/i915/i915_gem.c:3250!
UpgradeStatus: Upgraded to natty on 2011-01-04 (82 days ago)
dmi.bios.date: 07/02/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 7NET25WW (1.06 )
dmi.board.name: 7673W6M
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:bvr7NET25WW(1.06):bd07/02/2007:svnLENOVO:pn7673W6M:pvrThinkPadX61:rvnLENOVO:rn7673W6M:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7673W6M
dmi.product.version: ThinkPad X61
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-kerneloops i386 kernel-oops natty needs-upstream-testing
regression-release
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https://bugs.launchpad.net/bugs/744154
Title:
kernel BUG at
/build/buildd/linux-2.6.38/drivers/gpu/drm/i915/i915_gem.c:3250!
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