I attempted to get a bisect going but failed. These commit logs look
promising though as to where the fix lies.
~/git/mainline-crack$ git log --oneline v5.6.6..v5.6.7 --
./drivers/gpu/drm/nouveau/
360aba644f1f drm/nouveau/gr/gp107,gp108: implement workaround for HW hanging
during init
I've been testing various previous releases of Linux from the mainline
repo. 5.6.2 still fails, 5.6.18 works fine. 5.6.0 and 5.6.1 both have
busted wifi so I didn't test them beyond realizing my wifi didn't work.
Looking through the CHANGES files I see 5.6.6 and 5.6.7 both reference
nouveau
I heavily used the laptop over the course of another day and half. Zero
crashes! I did everything in my power to induce the failure mode I was
previously seeing and nada. I closed the lid with wreckless abandon,
left it open, locked it, plugged in, on battery, etc. So far so good.
kern.log is
Tested lightly yesterday as I didn't get much time to use my laptop,
however I went through several sleep/wake cycles, some with power
plugged in lid left open, on battery lid left open, on battery lid down
to lid up several hours later. Whenever I walked past it I did
"something" to wake it up,
Signed and installed 5.7.0-050700-generic from mainline. I will test it
out and see what I get, thank you!
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https://bugs.launchpad.net/bugs/1881828
Title:
Lenovo X1 Extreme screen
It's a nouveau issue.
Could you try 5.7 kernel?
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7/
Or would you like try nvidia-driver-440?
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