Public bug reported: As requested by Christopher M. Penalver, opening a separate bug for this hardware configuration as a possible duplicate of Bug #1069199
Description: After installing ATI proprietary drivers for my Radeon video card, Unity or GNOME ( I tried both) don't start anymore. LightDM shows up, and I'm able to log in, but after logging in the screen goes black, pauses and then I'm presented with the lightDM login screen again. Xserver logs indicate that the driver fglrx does not load. Reverting to the opensource version gets things working again E.g. To get back to things working I have to run $sudo dpkg --purge fglrx fglrx-amdcccle fglrx-dev && sudo apt-get install xserver-xorg-video-ati xserver-xorg-video-radeon ProblemType: Bug ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 DistUpgraded: 2013-10-18 08:24:06,128 DEBUG enabling apt cron job DistroCodename: saucy DistroRelease: Ubuntu 13.10 DistroVariant: ubuntu DkmsStatus: fglrx, 8.970: added XorgLog: [ 63.002] X.Org X Server 1.14.3 Release Date: 2013-09-12 [ 63.002] X Protocol Version 11, Revision 0 [ 63.002] Build Operating System: Linux 3.2.0-37-generic x86_64 Ubuntu [ 63.002] Current Operating System: Linux aodius 3.11.0-14-generic #21-Ubuntu SMP Tue Nov 12 17:04:55 UTC 2013 x86_64 [ 63.002] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic root=UUID=a153e9f7-6ba9-4e43-85ae-951f1d3b7e38 ro quiet splash vt.handoff=7 [ 63.002] Build Date: 15 October 2013 09:23:37AM [ 63.002] xorg-server 2:1.14.3-3ubuntu2 (For technical support please see http://www.ubuntu.com/support) ... [ 63.010] (II) LoadModule: "fglrx" [ 63.010] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so [ 63.025] (EE) Failed to load /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: /usr/lib/x86_64-linux-gn u/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: undefined symbol: noXFree86DRIExtension [ 63.025] (II) UnloadModule: "fglrx" [ 63.025] (II) Unloading fglrx [ 63.025] (EE) Failed to load module "fglrx" (loader failed, 7) ... [ 63.025] (II) LoadModule: "fglrx" [ 63.026] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so [ 63.040] (EE) Failed to load /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: /usr/lib/x86_64-linux-gn u/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: undefined symbol: noXFree86DRIExtension [ 63.040] (II) UnloadModule: "fglrx" [ 63.040] (II) Unloading fglrx [ 63.040] (EE) Failed to load module "fglrx" (loader failed, 7) ... xserver.errors: Failed to load /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: undefined symbol: noXFree86DRIExtension Failed to load module "fglrx" (loader failed, 7) Failed to load /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/extra-modules.dpkg-tmp/modules/drivers/fglrx_drv.so: undefined symbol: noXFree86DRIExtension Failed to load module "fglrx" (loader failed, 7) open /dev/dri/card0: No such file or directory Screen 0 deleted because of no matching config section. GLX error: Can not get required symbols. xserver.logfile: /var/log/Xorg.0.log xserver.outputs: display edid version 1.3 display manufacturer AUO display model 197b display serial no. 0 product id 6523 size horizontal 331 mm size max horizontal 33 cm size max vertical 21 cm size vertical 207 mm vendor AUO xserver.version: 2:1.14.3-3ubuntu2 ** Affects: fglrx-installer-updates (Ubuntu) Importance: Undecided Status: New ** Attachment added: "Apport Report" https://bugs.launchpad.net/bugs/1259423/+attachment/3926455/+files/apport.xorg.u992bm.apport ** Summary changed: - Unity does not start after installing fglrx x64 drivers Mobility Radeon Mobile HD 3650 + Unity does not start after installing fglrx x64 drivers Mobility Radeon HD 3650 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1259423 Title: Unity does not start after installing fglrx x64 drivers Mobility Radeon HD 3650 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer-updates/+bug/1259423/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs