OK, I decided to downgrade mesa via aptitiude:
Code:
root@Microknoppix:/# aptitude install libgl1-mesa-glx=7.7.1-4
The following packages will be DOWNGRADED:
   libgl1-mesa-glx
0 packages upgraded, 0 newly installed, 1 downgraded, 0 to remove and 221 not upgraded.
Need to get 154 kB of archives. After unpacking 4096 B will be freed.
Get:1 http://ftp.de.debian.org/debian/ stable/main libgl1-mesa-glx i386 7.7.1-4 [154 kB]
Fetched 154 kB in 1s (130 kB/s)
dpkg: warning: downgrading libgl1-mesa-glx from 7.9+repack-2 to 7.7.1-4.
(Reading database ... 86002 files and directories currently installed.)
Preparing to replace libgl1-mesa-glx 7.9+repack-2 (using .../libgl1-mesa-glx_7.7.1-4_i386.deb) ...
Unpacking replacement libgl1-mesa-glx ...
dpkg: ../../src/archives.c:823: tarobject: Assertion `r == stab.st_size' failed.
E: Sub-process /usr/bin/dpkg exited unexpectedly
A package failed to install.  Trying to recover:
Then I had an attempt to install synaptic:
Code:
root@Microknoppix:/# aptitude install synaptic
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 222 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
E: I wasn't able to locate file for the libgl1-mesa-glx package. This might mean you need to manually fix this package.
E: I wasn't able to locate file for the libgl1-mesa-glx package. This might mean you need to manually fix this package.
E: Internal error: couldn't generate list of packages to download