Comment 3 for bug 284505

I have same problem, Ubuntu 8.10 (upgraded from 8.04, fglrx 8.54.3)

Backtrace:
0: /usr/X11R6/bin/X(xf86SigHandler+0x79) [0x80c2fe9]
1: [0xb7fb2400]
2: /usr/lib/xorg/modules//glesx.so [0xb56aa936]
3: /usr/lib/xorg/modules//libxaa.so(XAAComposite+0x176) [0xb74ac0c6]
4: /usr/lib/xorg/modules//libxaa.so [0xb74c94c1]
5: /usr/X11R6/bin/X [0x817718a]
6: /usr/X11R6/bin/X(CompositePicture+0x19a) [0x815fdea]
7: /usr/X11R6/bin/X [0x8165cb5]
8: /usr/X11R6/bin/X [0x81629d5]
9: /usr/X11R6/bin/X(Dispatch+0x34f) [0x808c87f]
10: /usr/X11R6/bin/X(main+0x47d) [0x8071d1d]
11: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bb4685]
12: /usr/X11R6/bin/X [0x8071101]
Saw signal 11. Server aborting.
(II) Macintosh mouse button emulation: Close
(II) UnloadModule: "evdev"
(II) AT Translated Set 2 keyboard: Close
(II) UnloadModule: "evdev"
(II) Logitech USB-PS/2 Optical Mouse: Close
(II) UnloadModule: "evdev"
(II) AIGLX: Suspending AIGLX clients for VT switch