Hi,
Recently I am having problems with total freezes of my KDE.
I am running F42 KDE workstation. It started as F39 and was eventually
upgraded several times to the recent F42.
I am using NVIDIA GTX 1630 card with plain nouveau drivers. No additional
video drivers were installed.
When KDE freezes there is no access to any GUI (mouse, keyboard), but the
system is still running and it is accessible via ssh. The only way out is
to reboot via ssh using
sudo systemctl reboot
This phenomena generates the following entries in the journal:
Jul 23 23:13:05 ryzen.frank-local.localdomain kernel: nouveau 0000:2b:00.0:
gsp: mmu fault queued
Jul 23 23:13:05 ryzen.frank-local.localdomain kernel: nouveau 0000:2b:00.0:
gsp: rc engn:00000001 chid:120 type:31 scope:1 part:233
Jul 23 23:13:05 ryzen.frank-local.localdomain kernel: nouveau 0000:2b:00.0:
fifo:000000:000f:0078:[Xwayland[3410]] errored - disabling channel
plus additional consequent entries related to VMs losing their access to
the video.
There is nothing else in the journal.
I am at loss as to what these messages mean exactly.
I am not absolutely sure but it looks like the problem is triggered when
multiple remote desktops are displayed locally using NoMachine package.
However, the problem is intermittent to the point that is is unpredictable.
Could please someone advise what could be the possible way to troubleshoot?
Thanks
Frank
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