I encountered this when following the instructions from https://wiki.ubuntu.com/X/Troubleshooting/FglrxInteferesWithRadeonDriver
The second attempt : Problem: Need to fully remove -fglrx and reinstall -ati from scratch I did the first, rebooted, tried gnubg, it still segv'ed dpkg -l '*fglrx*' and saw fglrx was still installed, so went after the more agressive attampt. t...@w2vy:~$ which gnubg /usr/games/gnubg t...@w2vy:~$ gnubg GNU Backgammon 0.9.0 Copyright, 1999-2004 by Gary Wong, 2004-2008 GNU Backgammon is the legal property of its authors. GNU Backgammon is free software, covered by the GNU General Public License version 3 or later, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GNU Backgammon. Type "show warranty" for details. Python supported. SQLite database supported. Window system supported. External players supported. XML match equity files supported. Long RNG seeds supported. 3d Boards supported. External commands supported. ESD sound system supported. Segmentation fault t...@w2vy:~$ dpkg -l '*fglrx*' Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Description +++-==============-==============-============================================ ii fglrx 2:8.723.1-0ubu Video driver for the ATI graphics accelerato ii fglrx-amdcccle 2:8.723.1-0ubu Catalyst Control Center for the ATI graphics un fglrx-control <none> (no description available) un fglrx-control- <none> (no description available) un fglrx-kernel-s <none> (no description available) ii fglrx-modalias 2:8.723.1-0ubu Identifiers supported by the ATI graphics dr un xorg-driver-fg <none> (no description available) t...@w2vy:~$ ls /usr/share/ati/ amdcccle t...@w2vy:~$ sudo apt-get remove --purge fglrx* [sudo] password for tom: Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting fglrx-driver-dev for regex 'fglrx*' Note, selecting fglrx for regex 'fglrx*' Note, selecting xfree86-driver-fglrx-dev for regex 'fglrx*' Note, selecting fglrx-control for regex 'fglrx*' Note, selecting fglrx-amdcccle for regex 'fglrx*' Note, selecting fglrx-dev for regex 'fglrx*' Note, selecting fglrx-modaliases for regex 'fglrx*' Note, selecting fglrx-kernel-source for regex 'fglrx*' Note, selecting xorg-driver-fglrx for regex 'fglrx*' Note, selecting fglrx-control-qt2 for regex 'fglrx*' Note, selecting xorg-driver-fglrx-dev for regex 'fglrx*' The following packages were automatically installed and are no longer required: libqtcore4 dkms libqtgui4 libmng1 Use 'apt-get autoremove' to remove them. The following packages will be REMOVED: fglrx* fglrx-amdcccle* fglrx-modaliases* 0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded. After this operation, 69.2MB disk space will be freed. Do you want to continue [Y/n]? y (Reading database ... 182899 files and directories currently installed.) Removing fglrx-amdcccle ... Removing fglrx ... Removing all DKMS Modules Done. update-alternatives: using /usr/lib/mesa/ld.so.conf to provide /etc/ld.so.conf.d/GL.conf (gl_conf) in auto mode. dpkg-divert: mismatch on package when removing `diversion of /usr/lib/libGL.so.1.2 to /usr/lib/fglrx/libGL.so.1.2.xlibmesa by fglrx' found `diversion of /usr/lib/libGL.so.1.2 to /usr/lib/fglrx/libGL.so.1.2.xlibmesa by xorg-driver-fglrx' dpkg: error processing fglrx (--purge): subprocess installed post-removal script returned error exit status 2 Removing fglrx-modaliases ... Processing triggers for python-gmenu ... Rebuilding /usr/share/applications/desktop.en_US.utf8.cache... Processing triggers for libc-bin ... ldconfig deferred processing now taking place Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Processing triggers for man-db ... Processing triggers for python-support ... Errors were encountered while processing: fglrx E: Sub-process /usr/bin/dpkg returned an error code (1) t...@w2vy:~$ -- package xorg-driver-fglrx None failed to install/upgrade: subprocess post-removal script returned error exit status 2 https://bugs.launchpad.net/bugs/345657 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs