On Friday 05 March 2010 11:30:02 Jerome Glisse wrote:
> This patches improve the GPU reset, many time i able to successfully
> reset the GPU and carry on operation, note that after a reset you
> will likely see corrpution on the screen. Hope is that we should now
> be able to capture faulty command stream.
> 
> I still need to do a full retesting with this patch (especialy
> suspend/resume).
> 

Hi Jerome,

after application of all of your 3 patches, I got GPU softresets in log from 
time to time and sometimes also hard locks. Is there a way how to capture the 
faulty command to log? How to turn on some debug logging?

I use Mobility Radeon HD3450. And the GPU lockups occur mostly during window 
manipulation in KDE (both compositing/without compositing).

Best regards,
Ladislav


dmesg GPU reset example:

radeon 0000:01:00.0: GPU lockup CP stall for more than 1116msec
radeon 0000:01:00.0: GPU lockup (last fence id 0x00013529)
[drm] Disabling audio support
radeon 0000:01:00.0: GPU softreset 
radeon 0000:01:00.0:   R_008010_GRBM_STATUS=0xE57C04E0
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2=0x00111103
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS=0x200020C0
radeon 0000:01:00.0:   R_008020_GRBM_SOFT_RESET=0x00007FEE
radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00000001
radeon 0000:01:00.0:   R_008010_GRBM_STATUS=0xA0003030
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2=0x00000003
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS=0x200080C0
radeon 0000:01:00.0: GPU reset succeed
[drm] Clocks initialized !
[drm] ring test succeeded in 1 usecs
[drm] ib test succeeded in 0 usecs
[drm] Enabling audio support


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