https://bugs.freedesktop.org/show_bug.cgi?id=91880
--- Comment #64 from Alex Deucher <alexdeucher at gmail.com> --- (In reply to Julian from comment #63) > At first I thought it was an issue with the writeback feature that caches > certain register values because it also caches an rptr value that is used in > the driver's gpu_lockup_check and is, to my knowledge, never actually > written to. More likely it never gets written because the GPU has hung due to something else. > > Buuut using radeon.no_wb=1 doesn't help. So if I've found a bug it is not > the culprit of the lockups. The no_wb option isn't really applicable on newer chips and most likely won't work. Newer hw does not support the necessary features to not support wb. It's mainly a leftover from the early radeons. -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20160120/471ff975/attachment-0001.html>
