Hi, Well, it starts, then within a second or two it begins stuttering with long (half a second/second) freezes of the video , while the audio seems to work fine. Nothing in the log from chrome or kernel , AFAICS, to show anything is wrong. Regards Yanko On Wed, 2024-07-24 at 09:02 +0200, Christian König wrote: > Hi Yanko, > > interesting. What do you mean with "choppy"? E.g. lag on startup? > > Regards, > Christian. > > Am 23.07.24 um 21:42 schrieb Yanko Kaneti: > > Hello, > > > > Noticed and bisected a rawhide (with the new 6.11-rc0 snapshots) regression to this commit: > > > > 0ddd2ae586d2 drm/ttm: increase ttm pre-fault value to PMD size > > > > The regression manifests in choppy youtube video playback in google-chrome-stable. > > https://www.youtube.com/watch?v=uOpl2XNOgMA > > google-chrome-stable-126.0.6478.182-1.x86_64 > > VP9 video, > > Chrome -> Override software rendering list -> on > > Chrome -> Hardware-accelerated video decode - default enabled > > > > No other visible graphics issues. > > > > Its a desktop system with Ryzen 7 5700GRyzen 7 5700G IGP > > [AMD/ATI] Cezanne [Radeon Vega Series / Radeon Vega Mobile Series] [1002:1638] > > > > Tested with linus tip and just reverting the commit fixes the issue. > > > > Sorry for the brevity, not sure what other details might be relevant. > > > > - Yanko > > > > >