[Nouveau] [Bug 91598] Broken Rendering of Plasma 5 Desktop

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91598

--- Comment #10 from David March <davidmarch007 at gmail.com> ---
@Ilia Mirkin, I attempted to get an aptitrace and tried it for over an hour.
Unfortunately the problem did not recur even though it usually happens a couple
times a day.  I did notice the application.trace file was over 5.4 GB though. 
I read that there is a way to truncate it.  If I am able to get it to recur
again while using it, would it be acceptable to truncate it to a few minutes
before where the issue first appears?  This is my first time using that
particular utility so I am unsure as to what is useful and what is not.  Also I
am just killing the existing plasmashell instance and then running 'apitrace
trace /usr/bin/plasmashell'.  I presume this is the proper way to invoke it per
the manual?  Since plasmashell is technically the application generating the
errors?

On a positive note while I was not running apitrace earlier the problem did
recur and I was able to confirm again that by closing all applications and
waiting a minute or two the display returns to normal and does not recur or
generate errors in 'dmesg' for a significant period of time.  That is probably
a hint as to what is happening?

I will keep trying for a good apitrace as time permits.

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