On Sunday, November 29, 2020 1:34:46 PM CET Nikos Chantziaras wrote: > On 29/11/2020 05:53, the...@sys-concept.com wrote: > > On 11/28/2020 07:19 AM, Nikos Chantziaras wrote: > >> On 27/11/2020 02:56, the...@sys-concept.com wrote: > >>> I just installed nvidia-drivers-455.28-r1 and can not start "nvidia x > >>> server setting" it doesn't open. > >>> > >>> running: $ nvidia-smi > >>> NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA > >>> driver. Make sure that the latest NVIDIA driver is installed and > >>> running. > >> > >> What's the output of: > >> lsmod > >> > >> and: > >> emerge --info > > > > Here it is. > > [...snip...] > > Your system is using the nouveau driver. You need to disable it and only > enable the nvidia driver. In your make.conf, change this: > > VIDEO_CARDS="nvidia nouveau" > > to: > > VIDEO_CARDS="nvidia" > > Also, add "nvidia" to your make.conf USE flags (this might not be > actually needed, but better safe than sorry.) > > Then also see if you have nouveau enabled for something elsewhere in > your portage configuration. Do this: > > grep -r nouveau /etc/portage > > This should print nothing. If it does, then you should edit the files > and disable nouveau. > > Finally, tell portage to check what needs to be re-emerged due to these > changes: > > emerge -auDN --with-bdeps=y @world > > Reboot.
Don't forget to disable loading of the nouveau kernel-module. (Or simply remove it from the kernel-config entirely) -- Joost
