Unable to login after upgrade

[Peter Silva]

it could well be authentication, but another possibility is that it could
also be your graphical login environment is just broken by a configuration
issue...
To test that, one think you could try is to log in remotely, mv ~/.config
~/.config.save ,
then logout.  Then try logging in locally, if it works, you then have to
figure out which .config file is the problem.



On Fri, Oct 30, 2020 at 3:03 PM Volker Wysk <post at volker-wysk.de> wrote:

> Am Freitag, den 30.10.2020, 19:54 +0100 schrieb Volker Wysk:
> > Am Freitag, den 30.10.2020, 19:42 +0100 schrieb Volker Wysk:
> > > Login remotely, as root. Then try to log in locally, in your desktop.
> Then
> > > take a look at the logfiles.
> > >
> > > ls -l --sort=time /var/log 2>/dev/null| head -n 20
> > >
> > > This lists the 20 most recently changed things in /var/log. The more
> recent
> > > ones could reveal clues of that's gone wrong.
> >
> > In my system I have the directory /var/log/gdm3, which is empty. Perhaps
> > there is something in it on your system?
> >
> > And, can you choose a different session in the login screen, when
> logging in
> > locally?
> >
> > I guess your display manager is gdm3. From what you've written, I looks
> like
> > it can't start your session after login. There must sure be a place
> where it
> > logs errors. Such as /var/log/gdm3.
>
> One more thought. Can you login in a virtual console?
>
> Cheers,
> Volker
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