WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait 0x36f/0x3e0 [radeon]()

[Derx]

Bugs reported on every start.

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-7-generic 2.6.38-7.39
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be restarted.
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: xerdes 1319 F.... pulseaudio
 /dev/snd/controlC0: xerdes 1319 F.... pulseaudio
CRDA: Error: [Errno 2] File o directory non esistente
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfc500000 irq 48'
   Mixer name : 'IDT 92HD73C1X5'
   Components : 'HDA:111d7675,102802be,00100103'
   Controls : 16
   Simple ctrls : 10
Card1.Amixer.info:
 Card hw:1 'Speakerphone'/'Logitech Logitech EasyCall Speakerphone at usb-0000:00:1d.1-1.2, full speed'
   Mixer name : 'USB Mixer'
   Components : 'USB046d:0a06'
   Controls : 10
   Simple ctrls : 6
Card2.Amixer.info:
 Card hw:2 'HDMI'/'HDA ATI HDMI at 0xfc010000 irq 50'
   Mixer name : 'ATI R6xx HDMI'
   Components : 'HDA:1002aa01,00aa0100,00100100'
   Controls : 4
   Simple ctrls : 1
Card2.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Mon Apr 4 16:53:12 2011
Failure: oops
Frequency: Once a day.
HibernationDevice: RESUME=UUID=ca4d5e3d-80f7-48fd-a6a7-31d768c7c126
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
MachineType: Dell Inc. Studio 1555
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=d9072399-5489-4fc3-9a65-46f7ac3a85d1 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
SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]()
UpgradeStatus: Upgraded to natty on 2011-03-26 (8 days ago)
dmi.bios.date: 11/07/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0C234M
dmi.board.vendor: Dell Inc.
dmi.board.version: A08
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A08
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd11/07/2009:svnDellInc.:pnStudio1555:pvrA08:rvnDellInc.:rn0C234M:rvrA08:cvnDellInc.:ct8:cvrA08:
dmi.product.name: Studio 1555
dmi.product.version: A08
dmi.sys.vendor: Dell Inc.