Hi On Wed, Dec 23, 2020 at 11:54 AM Michael Schwendt <mschwe...@gmail.com> wrote:
> On Tue, 22 Dec 2020 17:15:32 +0100, Olivier Fourdan wrote: > > > Can you check and look for GL_OUT_OF_MEMORY messages in the journalctl > logs > > for gnome-shell? (Xwayland being spawned by gnome-shell, the messages > from > > Xwayland will be marked as gnome-shell in the logs) > > > > Xwayland uses glamor by default, and I can think of are a number of known > > nouveau issues which can eventually lead to GL_OUT_OF_MEMORY errors in > > glamor, with various effects, so it could possibly be the root cause of > the > > issue. > > Regardless of VRAM size? It happens also with 6GB VRAM, so an OOM condition > (even if it were by mistake) straight after booting into GNOME Shell would > be a very, very bad scenario. > The GL_OUT_OF_MEMORY errors I had in mind were resulting from fragmentation more than actual lack of memory, IIRC. But I agree that shouldn't occur as soon as the system is started, so if you do not see any such error in your journalctl logs, let's forget about that. > I don't know a reproducer yet. When it occurs, it doesn't make the system > unstable or slow, it doesn't cause any other harm. It's just odd to > observe a single damaged character. Such symptoms typically imply some > sort of data/memory corruption in some place. > > The last time I had asked about Nvidia+Fedora was in 2018 when booting > an installation would end up with a terribly slow GNOME Shell: > > https://lists.fedoraproject.org/archives/list/t...@lists.fedoraproject.org/thread/EC7T7MN3DXN6XU5QHNG2DE3VHMTXOIDV/ > I'm not sure a problem with Fedora 28 and a thread more than two years old is actually relevant to the issue at stake here though. That isn't reproducible anymore, but other issues (might) remain. > Some can be worked around by switching to Xorg. > Cheers, Olivier
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