On 2018-07-16 08:31 PM, Jérémy Lal wrote:
> After login on a x11 gnome gdm3 sesssion,
> display hangs, crash, becomes black, and occasionally freeze the computer.
> Which is an imac 27" 2011.
> But
> - i'm not sure it's a mesa bug, maybe a linux kernel bug triggered by the
> mesa update
> - i think it's appearing only on large displays like 2560x1440.
> - i don't know how to get logs from previous boots with journalctl
>
> I remember something about "cs ring radeon", etc..
Sounds like https://bugs.freedesktop.org/105381 , fixed in
xf86-video-ati upstream Git master.