Zdravei te,
absolyutno si omazah Debiancheto :-[
pri :
 apt-get -f install
mi dava:
 bla-bla
... 
spisuk na paketite za instalatsiia
...
 Do you want to continue? [Y/n] y
Preconfiguring packages ...
 (Reading database ... 135545 files and directories currently
installed.)
 Unpacking xlibmesa-gl (from
.../xlibmesa-gl_4.3.0.dfsg.1-6_i386.deb) ...
 dpkg: error processing
 /var/cache/apt/archives/xlibmesa-gl_4.3.0.dfsg.1-6_i386.deb
(--unpack):
  trying to overwrite `/usr/X11R6/lib/libGL.so.1.2', which is
also in package fglrx-glc22
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 
/var/cache/apt/archives/xlibmesa-gl_4.3.0.dfsg.1-6_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

i tova e :-[
 Predi da go preinstaliram na novo mi se iska da se opitam da
opravia polozhenieto

Pozdravi i blagodarnosti sa konstruktivni predlozheniia

 Triabva da si mahnesh fglrx (draiverite na ATI) i posle (sled
 instaliraneto na paketite) pak da si go slozhish s
 --force-overwrite . Tova se poluchava kogato se slaga po-nova
 versiia na xlibmesa-gl, a imash ati draiveri. Dvata paketa
imat obshti failove i Debian se vpriaga - tova e problema.