Public bug reported:
- Using ubuntu 18.04.2 LTS.
- Tried driver NVIDIA 390 + 430 from the repo, same result
- KDE Plasma desktop
Reproducibility: 75%
Steps required:
- Installing nvidia drivers on an optimus laptop
- Rebooting
- Select NVIDIA GPU with prime from Intel
- Waiting some seconds
Bug observed:
- Before the nvidia module gets loaded (I could type lsmod | grep nvidia fine
and no module is loaded after the first 3 seconds)
- When (presumably) the nvidia driver is loaded, the X.org session locks up.
The mouse cursor can move things, but cannot click anything, everything else on
the screen is frozen up
Workaround: Killing the X.org session gives an usable graphical system
Notes: If the session ends (doing a logout so SDDM) there is no lockup
at all, but once the nvidia driver is loaded, it looks like it's when
the issue appears.
I recently moved from 19.04 to 18.04.2 LTS, and I don't remember this
issue happening at all, is that some fix that needs to be backported?
** Affects: nvidia-prime (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1832145
Title:
X.org freeze after selecting nvidia profile
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