2012/2/23 Mathias Fröhlich <mathias.froehl...@gmx.net> > > Christian, > > On Thursday, February 23, 2012 15:18:42 Christian König wrote: > > The function radeon_bo_list_validate can cause a > > bo to move, resulting in a different sync_obj > > and a dependency to wait for this move to finish. > > > > Signed-off-by: Christian König <deathsim...@vodafone.de> > > Reviewed-by: Alex Deucher <alexander.deuc...@amd.com> > > I am not sure, but to me this looks like this could fix these kind of gpu > lockups that I experience since some time every now and then. > The usual symptom is that I get the > > radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec > GPU lockup (waiting for 0x00682AC3 last fence id 0x00682AC2) > [...] > > kernel message. Each time with the fence being off by one like in the > example > above. > > If this change has the potential to fix this issue I think this particular > patch should be considered for the current upstream kernel release. > > Mathias >
No this patch doesn't. This patch is all about getting proper sync btw different rings. Sorry for the deception. Cheers, Jerome
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