stan via users wrote: > On Sat, 10 Jun 2023 00:26:09 -0400 > Robert McBroom via users <users@lists.fedoraproject.org> wrote: > >> The original install went to the 495.44 version of the nvidia driver >> but my card GT 710 requires the 470 version. I see in the journal >> >> May 23 13:26:58 HPZ440.attlocal.net systemd[2911]: Started >> app-nvidia\x2dsettings\x2d470xx\x2duser@autostart.service - >> nvidia-settings. May 23 13:26:59 HPZ440.attlocal.net kernel: NVRM: >> API mismatch: the client has the version 495.44, but >> NVRM: this kernel module >> has the version 470.182.03. Please >> NVRM: make sure that >> this kernel module and all NVIDIA driver >> NVRM: components have >> the same version. > > So, if your video card requires the 470 driver, and you have the 495 > driver installed, how is the multiuser console working? Is it using > nouveau? How is XFCE able to use the wrong driver, but kde isn't? > Are there base features in all nvidia drivers, and kde uses features > of the 470 not in the base features of 495? > > I'm not the best person to help you, since I haven't run nvidia for a > while, but can you somehow downgrade the version of driver you have? > Maybe go to rpmfusion and download the version you need and run > dnf -C downgrade [nvidia version you need rpm] > while in the directory you downloaded the rpm to.
For the nvidia 470 series, the akmod and xorg driver have 470xx in the package name, so it would be a swap rather than a downgrade -- just FWIW. Run `rpm -qa '*nvidia*' | sort` to see what's installed now. I don't see any nvidia 495 driver in the rpmfusion nonfree repository. I see 530, 470, 390, and 340. If that's installed via the nvidia installer, I don't know what to say about cleaning it up; I have no idea what sort of a mess that installer leaves on a system. If it were me, I'd carefully figure out how to remove all traces of the nvidia-installed driver and then install it from the rpmfusion packages. That may be a tedious process if the nvidia-installer behaves like most third-party installers do. -- Todd
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