Bug#906903: nvidia-driver: broken(?) dependencies

[Luca Boccassi]

On Wed, 2018-08-22 at 22:35 +1000, Vincent McIntyre wrote:
> > 
> > Are you sure? Your first email showed the priority of one pkg as
> > "990"
> > rather than the default 500
> 
> I agree it is strange but apt-cache priority scores
> never make any sense to me.
> 
> $ /bin/ls /etc/apt/preferences.d/
> backports
> 
> I tried the obvious experiment
> $ cat /etc/apt/preferences.d/stable
> Package: *
> Pin: release a=stretch
> Pin-Priority: 500
> 
> $ apt-cache policy nvidia-driver
> nvidia-driver:
>   Installed: (none)
>   Candidate: 384.130-1
>   Version table:
>      390.77-1~bpo9+1 200
>         200 http://debian-archive.atnf.csiro.au:9999/debian stretch-
> backports/non-free amd64 Packages
>      384.130-1 990
>         990 http://debian-archive.atnf.csiro.au:9999/debian
> stretch/non-free amd64 Packages
> 
> 
> So you see why I don't spend much time trying to understand
> prority scores.

Because I suspect something on your system is causing some packages to
be picked from backports and some from stable. That's what's breaking.
So try and remove any custom configuration you have for apt and then it
should work.

-- 
Kind regards,
Luca Boccassi
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