Hi Christian, Even though some regressions are fixed by these patches: drm/radeon: fix page directory update size estimation drm/radeon: fix buffer placement under memory pressure v2 and indeed, the texelFetch tests no longer hang, there is one more hang which needs to be fixed. :( All I know is the exact same commit causes it and it can only be reproduced by running whole piglit with concurrency enabled. My kernel git log: * 2ba22c8 - drm/radeon: fix buffer placement under memory pressure v2 (10 hours ago) <Christian König> * 3af91e5 - drm/radeon: fix page directory update size estimation (21 hours ago) <Christian König> * 6d2f294 - drm/radeon: use normal BOs for the page tables v4 (2 months ago) <Christian König> * fa68834 - drm/radeon: further cleanup vm flushing & fencing (2 months ago) <Christian König> fa68834 doesn't hang, but 2ba22c8 hangs, which means 6d2f294 or either of the two fixes is the first bad commit. Marek On Fri, May 9, 2014 at 8:03 PM, Marek Olšák <maraeo@xxxxxxxxx> wrote: > Hi Christian, > > This commit which first appeared in 3.15-rc1 causes hangs on Bonaire: > > commit 6d2f2944e95e504a7d33385eeeb9bb7fcca72592 > Author: Christian König <christian.koenig@xxxxxxx> > Date: Thu Feb 20 13:42:17 2014 +0100 > > drm/radeon: use normal BOs for the page tables v4 > > No need to make it more complicated than necessary, > just allocate the page tables as normal BO and > flush whenever the address change. > > v2: update comments and function name > v3: squash bug fixes, page directory and tables patch > v4: rebased on Mareks changes > > Signed-off-by: Christian König <christian.koenig@xxxxxxx> > > > Reverting the commit gives me a lot of merge conflicts. > > The simplest way to reproduce the hangs is to run piglit with these parameters: > -t texelFetch.fs > > Some of the tests allocate a lot of MSAA textures and the tests also > run in parallel, which creates a lot of memory pressure and probably > causes buffer evictions. > > Any idea what is wrong with it? > > Thanks, > > Marek _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
