The system felt a bit slow so I logged out. This wasn't successful, only
all icons any everything disappeared now only showing my background
picture. I tried using the keyboard but nothing worked. I did a SSH to
the machine and logged in without any problems. Noticed Xorg process
taking 100% CPU. Also noted this in kern.log:
Jan 30 19:58:16 pc-thnov-ubuntu kernel: [ 1157.675889]
[fglrx:firegl_free_mutex] *ERROR* mutex id 0x00000005 not found in mutex list
Jan 30 20:03:31 pc-thnov-ubuntu kernel: [ 1232.819179] [fglrx] interrupt source
10000000 successfully disabled!
Jan 30 20:03:31 pc-thnov-ubuntu kernel: [ 1232.819189] [fglrx] enable ID =
0x00000000
Jan 30 20:03:31 pc-thnov-ubuntu kernel: [ 1232.819193] [fglrx] Receive disable
interrupt message with irqEnableMask: 10000000; dwIRQEnableId: 00000008
Tried to kill the Xorg process but wasn't successful, not even with -9.
/etc/init.d/gdm stop was also useless. Managed to reboot it with ctrl-
alt-delete.
$ dpkg -l | grep fglrx
ii fglrx-amdcccle 8.452.1-1
Catalyst Control Center for the ATI graphics
ii fglrx-kernel-source 1:8-01+2.6.24.6-5.16
ATI binary kernel module source
ii xorg-driver-fglrx 1:7.1.0-8-01+2.6.24.6-5.16
Video driver for ATI graphics accelerators
--
System monitor causes Xorg to consume 100% CPU
https://bugs.launchpad.net/bugs/187383
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