With Fedora, I usually drop/boot into single user, and remove any package with NVIDIA in their name, 

    rpm -qa | grep -i nvidia | xargs dnf remove -y
   # rpm -qa return all locally installed packages

this brings me to a clean state, which allow me to install the nvidia driver again.
I think you should be able to do the same with Debian based distro, unless you used NVIDIA installer directly.


--
Rabin


On Fri, 22 Mar 2024 at 16:09, Omer Zak <w1@zak.co.il> wrote:
I am trying to recover from the bungled upgrade.
I found some answers in the Internet. For example, to use kernel 6.1.0-
17 instead of 6.1.0-18 whose package version is 6.1.76-1) and to enable
bookworm-updates
(https://forums.developer.nvidia.com/t/debian-12-and-nvidia-driver-nvidia-linux-x86-64-470-223-02-run/282473).

Now I am stuck with inability to uninstall xorg-video-nvidia-tesla-470
(which I think was installed in one of failed attempts to recover) due
to error in its postrm script.

Before doing crazy things such as forced uninstallation or doing
restore from backup which I took just before full upgrade, I'd like to
know how do people deal with such problems (in Debian and maybe also in
Ubuntu).

Thanks,
--- Omer Zak

(The above is less than total disaster because it happens in a laptop
which is not my primary work PC. I plan to upgrade my work PC only
after having successfully upgraded the laptop. I also kept enough
backups to have the option to perform a fresh reinstall.)


On Fri, 2024-03-22 at 15:27 +0200, Rabin Yasharzadehe wrote:
> My experience with NVIDIA and DKMS is that with very recent Kernels
> the build can break,
> but I didn't have that for some time now (years).
>
> Also, I get my driver from my distro repo (Fedora), which reduce the
> chance of these issues.
>
> --
> Rabin
>
>
> On Fri, 22 Mar 2024 at 12:01, Omer Zak <w1@zak.co.il> wrote:
> > I have upgraded a laptop from Debian 11 (Bullseye) to Debian 12
> > (Bookworm)
> >
> > Now I am running into trouble when trying to build DKMS modules
> > needed
> > by nvidia-driver (the proprietary one) on the most recent kernel
> > version (I tried both 6.1.76-1 and 6.6.13-1~bpo12+1).
> >
> > There are some compile-time errors (different errors in different
> > attempts).
> >
> > Is there any information about known problems of getting Nvidia
> > software to interoperate with Debian 12 (Bookworm) working on up-
> > to-
> > date kernels?
--
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