Created attachment 130509 [details]
After upgrading to nouveau 1.0.14, I've been experiencing random crashes. It's happened a couple of times switching desktops in the Gnome shell, but other times appear to be pretty random. At that point the system is unresponsive and has to be power-cycled. Downgrading to 1.0.13 stabilizes things.
Attaching dmesg, lspci, and some of the trace information that I was able to get out of the logs.
Created attachment 130510 [details]
Created attachment 130511 [details]
crash trace logs
1.0.13 didn't have any support for your GPU. GMxxx support is new in 1.0.14.
Previously you were using modesetting either with or without glamor. Either way, the issue is not in xf86-video-nouveau but rather in the kernel, perhaps something that xf86-video-nouveau does makes the issue more likely to hit than the GL lib that glamor operates.
There have actually been some separate reports of some kind of fence lifetime issue, which I'm guessing you're hitting here.
Thanks for the clarification. I thought it was something along those lines, but don't know enough to pinpoint the root cause.
https://bugs.freedesktop.org/show_bug.cgi?id=100431 could be relevant here.
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