Public bug reported:
I don't know how to replicate this bug yet, I will update if I learn more.
Several times as I test prime-select on my Thinkpad P50, I have ended up in
situations where the laptop will not start graphics. This always happens if you
leave the laptop in prime-select intel and then boot the machine with the BIOS
settings Discrete (subject of another bug report).
At the moment, I have this state
prime-select query
nvidia
but present is
/etc/modprobe.d/blacklist-nvidia.conf
The machine has three screens (internal, hdmi and 4K via display port).
only the display port is on, and it's in HD mode.
The nvidia driver is not loaded. Apparently nouveau is not too.
Is there any log file that may indicate how this happens?
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: nvidia-prime 0.8.7
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 21 12:18:16 2018
Dependencies:
InstallationDate: Installed on 2017-10-19 (183 days ago)
InstallationMedia: Xubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1)
PackageArchitecture: all
SourcePackage: nvidia-prime
UpgradeStatus: Upgraded to bionic on 2018-03-09 (43 days ago)
** Affects: nvidia-prime (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1765887
Title:
prime-select leaves system in strange state with nvidia enabled but
blacklisted
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