1181.900183] WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]()

[Babusha]

I have videocard ATI Mobility Radeon HD 4650

ProblemType: KernelOops
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.41
Regression: No
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: wl
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
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: babusha 1489 F.... pulseaudio
CRDA: Error: [Errno 2] Нет такого файла или каталога
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xda100000 irq 49'
   Mixer name : 'IDT 92HD75B3X5'
   Components : 'HDA:111d7603,103c3628,00100202'
   Controls : 21
   Simple ctrls : 13
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xda010000 irq 50'
   Mixer name : 'ATI R6xx HDMI'
   Components : 'HDA:1002aa01,00aa0100,00100100'
   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: Sat Apr 9 15:30:51 2011
Failure: oops
Frequency: Once a day.
HibernationDevice: RESUME=UUID=2254fb6c-ccb1-47b3-91c5-91c6a0de29b0
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=dfffaa1a-5e27-4768-aec8-2ba8865ecc0e ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-8-generic N/A
 linux-backports-modules-2.6.38-8-generic N/A
 linux-firmware 1.50
SourcePackage: linux
Title: 1181.900183] WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x36f/0x3e0 [radeon]()
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/09/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.36
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3628
dmi.board.vendor: Quanta
dmi.board.version: 18.42
dmi.chassis.type: 10
dmi.chassis.vendor: Quanta
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.36:bd10/09/2009:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvrRev1:rvnQuanta:rn3628:rvr18.42:cvnQuanta:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: Rev 1
dmi.sys.vendor: Hewlett-Packard