Bug#182704: Debconf configuration sets use_fbdev without asking, making X unstartable

[Daniel Burrows <dnb114@psu.edu>]

On Thu, Feb 27, 2003 at 06:51:02PM +0100, Michel Dänzer <daenzer@debian.org> was heard to say:
> On Don, 2003-02-27 at 13:26, Daniel Burrows wrote: 
> > 
> >   This one has been annoying me for some time now.  For whatever reason,
> > using the framebuffer device interface doesn't work on my system (this is
> > the use_fbdev debconf option). However, the config script SKIPS this question 
> > every time I run itm, unconditionally resetting my XF86Config-4 to a broken 
> > state.
> 
> Even with dpkg-reconfigure -plow ?

  I would hope so, since low is my default priority.  Anyway, I just
checked, and it skips that question even if I explicitly specify "low".

> >   It seems like this happens because /proc/fb exists, and
> > [ -n "$(cat /proc/fb)" ] fails.  On my computer, /proc/fb is a zero-byte
> > file, which is probably why the test fails:
> > 
> > torrent.burrows.local:~> wc -c /proc/fb
> >       0 /proc/fb
> 
> Probably not:
> 
> daenzer@thor> wc -c /proc/fb                                           ~
>       0 /proc/fb
> daenzer@thor> cat /proc/fb                                             ~
> 0 M9 Lf

  My, that's messed up..anyway, maybe I should have used the example
where I tested [ -n $(cat /proc/fb) ] and it failed.  How's this?
torrent:~> cat /proc/fb     
torrent:~> od /proc/fb
0000000
torrent:~> cat /proc/fb | wc -c
      0

  Daniel

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