WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait 0x2ea/0x350 [radeon]()

[vincent gressard]

the flat screen will be black when i move a window with the mouse

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
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: bicente 1289 F.... pulseaudio
 /dev/snd/controlC1: bicente 1289 F.... pulseaudio
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'V8237'/'VIA 8237 with ALC655 at 0xdc00, irq 22'
   Mixer name : 'Realtek ALC655 rev 0'
   Components : 'AC97a:414c4760'
   Controls : 48
   Simple ctrls : 29
Card1.Amixer.info:
 Card hw:1 'default'/'C-Media INC. USB Sound Device at usb-0000:00:10.0-2, full speed'
   Mixer name : 'USB Mixer'
   Components : 'USB0d8c:0103'
   Controls : 3
   Simple ctrls : 2
Date: Mon Mar 28 21:02:59 2011
Failure: oops
HibernationDevice: RESUME=UUID=e43cfb13-df48-435e-aac2-a36ebcef9443
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110312)
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=dc1ee469-6f7f-40f9-9868-47520f212f5e 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:

SourcePackage: linux
Title: WARNING: at /build/buildd/linux-2.6.38/drivers/gpu/drm/radeon/radeon_fence.c:248 radeon_fence_wait+0x2ea/0x350 [radeon]()
UpgradeStatus: Upgraded to natty on 2011-03-26 (1 days ago)
dmi.bios.date: 03/07/2006
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: P4M800CE-8237
dmi.chassis.type: 3
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd03/07/2006:svn:pn:pvr:rvn:rnP4M800CE-8237:rvr:cvn:ct3:cvr:

[Robert Roth (evfool)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #729717, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.