Alberto, this is probably not an upstream bug. the prime support is
ubuntu specific.
I am not sure if this is fatal, but there is an error setting up prime
offload, seems like the helper scripts are not getting called as root
anymore.
Kov 19 22:59:55 username-Lenovo-Z70-80 /usr/lib/gdm3/gdm-x-session[912]:
/usr/bin/prime-supported: 35: /usr/bin/prime-supported: cannot create
/var/log/prime-supported.log: Permission denied
Kov 19 22:59:55 username-Lenovo-Z70-80 /usr/lib/gdm3/gdm-x-session[912]:
warning: output not found; ignoring
Kov 19 22:59:55 username-Lenovo-Z70-80 /usr/lib/gdm3/gdm-x-session[912]:
warning: output not found; ignoring
** Changed in: gdm3 (Ubuntu)
Status: Incomplete => Triaged
** Also affects: linux (Ubuntu Xenial)
Importance: Critical
Status: Invalid
** Also affects: gdm3 (Ubuntu Xenial)
Importance: Critical
Status: Triaged
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https://bugs.launchpad.net/bugs/1559576
Title:
Ubuntu Gnome boots to black screen when using proprietary Nvidia
drivers on a laptop with Optimus
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