Yeeeees! Recent update to xfree86 solved the problem. klecker:~$ sudo apt-get -u dist-upgrade Reading Package Lists... Done Building Dependency Tree... Done Calculating Upgrade... Done The following packages will be REMOVED: xlibmesa3-gl xlibmesa3-glu The following NEW packages will be installed: xlibmesa-gl xlibmesa-glu The following packages have been kept back: pgpgpg The following packages will be upgraded: alsa-base alsa-utils base-config bogofilter capplets capplets-data console-common console-data cvs debconf debconf-doc debconf-i18n debconf-utils debmake deborphan euro-support euro-support-console euro-support-x file gnome-control-center imagemagick jade libasound2 libdb2 libdb2-util libdbi-perl libgnome2-0 libgnome2-common libmagic1 libmagick++6 libmagick6 libqt3-compat-headers libqt3-headers libqt3c102-mt libsdl1.2debian libsdl1.2debian-oss libsp1 lilo logrotate octave2.1 octave2.1-doc octave2.1-htmldoc octave2.1-info qt3-dev-tools sed sp ttf-freefont whois wmressel xlibmesa-gl-dev xlibmesa-glu-dev xscreensaver 52 upgraded, 2 newly installed, 2 to remove and 1 not upgraded. Need to get 0B/30,9MB of archives. After unpacking 9586kB disk space will be freed. Do you want to continue? [Y/n]
-- Francesco P. Lovergine
