>"It may take a bit of time before I can make the tests with the current Ubuntu
If the problem is reproducible in a live environment, then testing that
would be fine.
>"And, I fear that such tests might not be reliable: after the temporary
use of the NVidia driver I could use the "nouveau" driver for some time
even without the special boot parameter "nouveau.config=NvMSI=0" - only
after some months, new freezes occurred."
Such test is reliable, in that it provides additional data points with
later versions of various related packages. This is required in order to
upstream an issue for upstream developers to address.
Despite this, if one notices different environment behavior with nouveau
after such maneuvering, the proprietary driver may be twiddling some
bits that luckily improve stability after removal. It could also be a
>"I have the feeling that the problem (now) arises non-deterministically
-- likely dependent on environment factors such as temperature and/or
Evidence and data are helpful, guesses/feelings/hunches aren't. One may
monitor internal temperatures via
https://help.ubuntu.com/community/SensorInstallHowto in order to prove a
>"While freezes are now rather rare for me, I often observe that the top
bars of my windows (usually black) are drawn in an irregular black/white
pattern (similar to the freeze pattern) when I move the mouse pointer
over the bar."
This report is scoped to freezing/crashing. If you are having graphical
issues without freezing/crashing that's a different problem for a new
report. Feel free to file a new one scoped to that and subscribe me to
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[GeForce 7025 / nForce 630a] System freeze
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