random lockups when using Firefox

[Julian C. Dunn]

Hi,

I have a F12 box that periodically locks up solid when visiting certain
Flash-based sites in Firefox. There are usually no odd messages found in
/var/log/messages to indicate what went wrong, except a couple of days
ago, after a crash, I found this:

Dec 29 13:01:50 jupiter kernel: [drm:radeon_fence_wait] *ERROR*
fence(f1045aa0:0x00000507) 942ms timeout going to reset GPU
Dec 29 13:01:50 jupiter kernel: [drm] RB2D reset succeed
(RBBM_STATUS=0x80010140)
Dec 29 13:01:50 jupiter kernel: [drm] CP reset succeed
(RBBM_STATUS=0x00000140)
Dec 29 13:01:50 jupiter kernel: [drm] radeon: cp idle (0x10000000)
Dec 29 13:01:50 jupiter kernel: [drm] radeon: ring at 0x0000000020000000
Dec 29 13:01:50 jupiter kernel: [drm] ring test succeeded in 1 usecs
Dec 29 13:01:50 jupiter kernel: [drm] GPU reset succeed
(RBBM_STATUS=0x00000140)
Dec 29 13:01:50 jupiter kernel: [drm:radeon_fence_wait] *ERROR*
fence(f1045aa0:0x00000507) 954ms timeout

(etc.)

My video card is a:

02:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60
[Radeon X300 (PCIE)]

Could there be some bug with the radeon driver that is causing this?

- Julian

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