Bug#1103862: firmware-nvidia-gsp: Can't insall nvidia-kernel-dkms or nvidia-driver due to broken dependendencies

[Andreas Beckmann]

On 4/22/25 08:24, david wrote:
> Package: firmware-nvidia-gsp
> Version: 535.216.01-1~deb12u1

> The following packages have unmet dependencies:
>   nvidia-kernel-dkms : Depends: firmware-nvidia-gsp (= 535.183.01) or
>                                 firmware-nvidia-gsp-535.183.01 but it is not
> installable
> E: Unable to correct problems, you have held broken packages.

That very much sounds like you are missing a package source for 
non-free-firmware.

`apt-cache policy` would tell what you have configured.


Andreas