I've been struggling with this for the past year, but never thought to
file a bug report. My use case is a little different, but the base
request - allow customization of the Xorg config - is the same.
My system is an Intel Skull Canyon NUC with Iris Pro integrated
graphics. I also have an external GPU box with an Nvidia 1080 Ti that
connects to the system with a Thunderbolt interface. Two displays are
connected - one to the main system's port, and one to external video
card's port.
The Nvidia driver requires an option added to the Xorg config to use the
external GPU:
Option "AllowExternalGpus" "True"
If this is not set, the Nvidia section of the Xorg config will fail, and
this cascades to Xorg not starting (i.e. login screen immediately drops
back to login screen.) Currently I work around this by editing
/usr/share/X11/xorg.conf.d/11-nvidia-prime.conf, which is generated by
gpu-manager. The problem comes when a system update occurs, and gpu-
manager is run again, re-generating the config file. Thus, it would be
beneficial to have a way to save customizations of gpu-manager's
configs.
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https://bugs.launchpad.net/bugs/1394653
Title:
gpu-manager's xorg.conf generation should be configurable
Status in ubuntu-drivers-common package in Ubuntu:
Confirmed
Bug description:
There is no way to edit xorg.conf permanently, for any modification will be
removed by gpu-manager.
This is not the same issue az bug #1310489.
My system is a Dell Inspiron N7110 with nvidia optimus.
I use the closed-source nvidia drivers.
The problem:
After a switch with prime-select intel my xorg.conf is removed, which is
required to make the intel config operational.
Upon switching back to nvidia (prime-select nvidia) gpu-manager regenerates
my xorg.conf
The problem is, that the default xorg.conf is broken (does not enable me to
use the internal laptop screen), so it needs to be modified.
This, however, can not be done now, as changes will always be overwritten.
Note the difference from #1310489: We need a way to configure the
generation, not just be able to preserve an already present file.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: ubuntu-drivers-common 1:0.2.98.4
Uname: Linux 3.16.1-031601-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Nov 20 17:37:49 2014
InstallationDate: Installed on 2014-03-11 (254 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140311)
SourcePackage: ubuntu-drivers-common
UpgradeStatus: Upgraded to utopic on 2014-11-20 (0 days ago)
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