The screenshot in comment #1 looks like a kernel/driver bug. Do you always see that corruption when the bug happens?
Also, next time the bug happens, please wait for it to come back and then run:
journalctl -b0 > journal.txt
and attach the resulting text file here.
The screenshot in comment #1 looks like a kernel/driver bug. Do you always see that corruption when the bug happens?
Also, next time the bug happens, please wait for it to come back and then run:
journalctl -b0 > journal.txt
and attach the resulting text file here.