LC_ALL=C sudo apt-get -t experimental install `dpkg -l "libgl*mesa*"|egrep ^ii|awk '{print $2}'`will reattempt a couple days from now.
[snip]
The following packages have unmet dependencies:
libgl1-mesa-dri : Depends: libtalloc2 (>= 2.0.4~git20101213) but 2.0.1-1 is to be installed
E: Broken packages
Hi Cyrille, Cyrille Chépélov <cyrille@chepelov.org> (18/01/2011): > When running warzone under the setup described below, text textures > are quickly corrupted to the point of making all in-game text > illegible. […] could you please install mesa (should be libgl*mesa*) from experimental and tell us whether that helps? KiBi.