WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait 0x2ea/0x360 [radeon]()

Duplicate of bug 733223

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic-pae 2.6.38-8.42
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae 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: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: aroosh 1599 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfc400000 irq 49'
   Mixer name : 'IDT 92HD73C1X5'
   Components : 'HDA:111d7675,102802a0,00100103'
   Controls : 16
   Simple ctrls : 10
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xcfeec000 irq 50'
   Mixer name : 'ATI R6xx HDMI'
   Components : 'HDA:1002aa01,00aa0100,00100000'
   Controls : 4
   Simple ctrls : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Fri Apr 15 00:02:39 2011
Failure: oops
Frequency: This has only happened once.
HibernationDevice: RESUME=/dev/sda5
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110413)
MachineType: Dell Inc. Studio 1737
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic-pae root=UUID=b23aed31-109d-4f37-bf82-04432e8b0f61 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-8-generic-pae N/A
 linux-backports-modules-2.6.38-8-generic-pae N/A
 linux-firmware 1.50
SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x2ea/0x360 [radeon]()
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/26/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0P786H
dmi.board.vendor: Dell Inc.
dmi.board.version: A04
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A04
dmi.modalias: dmi:bvnDellInc.:bvrA04:bd11/26/2008:svnDellInc.:pnStudio1737:pvrA04:rvnDellInc.:rn0P786H:rvrA04:cvnDellInc.:ct8:cvrA04:
dmi.product.name: Studio 1737
dmi.product.version: A04
dmi.sys.vendor: Dell Inc.