Comment # 115
on bug 78453
from Kai
(In reply to comment #106) > Playing streams (live and recorded broadcasts) from Twitch with this setup > is, however, neigh impossible. With the open driver and GLAMOR acceleration, > X uses 80 % CPU time on one core and the video becomes a dia show. The Flash > plugin is at 40 % CPU time (different core), but that's roughly the same as > with fglrx. (For reference: my CPU is an Intel Core i7-3770K.) After some further testing yesterday I could only reproduce the stalling of X with "recorded brodcasts" on Twitch. It doesn't matter what stream quality you pick (if you're patient enough to get that menu open). X starts hogging all resources on one CPU core as soon as you load any recording (I tried four different recordings). Live broadcasts/streams worked normally yesterday afternoon/evening and today. (In reply to comment #114) > (In reply to comment #108) > > Btw, watching a video on Twitch spams my Xorg.0.log with *tons* of: > > > [ 21013.158] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip completion event has impossible msc 2822274 < target_msc 2822275 > > These are fixed in drm-fixes-3.16, but that hasn't been merged into > drm-next-3.17-wip yet. Ah, ok. I found <http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.16&id=f53f81b2576a9bd3af947e2b1c3a46dfab51c5ef>. Is that the correct commit for Hawaii? Doesn't look like the appropriate commit to me (so much "Evergreen" everywhere), but it was the only one a search for radeon_dri2_flip_event_handler yielded.
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