Comment 2 for bug 444518

This is happening to me too with Karmic. It seems to occur when I play freecell, a slightly different game than the original report. Here is the end of the Xorg.0.log.old:

(II) intel(0): EDID for output TV1
(WW) intel(0): i830_uxa_prepare_access: bo map failed

Backtrace:
0: /usr/bin/X(xorg_backtrace+0x3b) [0x8133d7b]
1: /usr/bin/X(xf86SigHandler+0x55) [0x80c7d35]
2: [0x26d400]
3: /usr/lib/xorg/modules//libfb.so(fbCopyNtoN+0x24c) [0x25b7cc]
4: /usr/lib/xorg/modules/drivers//intel_drv.so(uxa_copy_n_to_n+0x74a) [0x40c9fa]
5: /usr/lib/xorg/modules//libfb.so(fbCopyRegion+0x21b) [0x25a76b]
6: /usr/lib/xorg/modules//libfb.so(fbDoCopy+0x44d) [0x25ac8d]
7: /usr/lib/xorg/modules/drivers//intel_drv.so(uxa_copy_area+0x98) [0x40c258]
8: /usr/bin/X [0x81815a3]
9: /usr/bin/X(ProcCopyArea+0x165) [0x808b4c5]
10: /usr/bin/X(Dispatch+0x35f) [0x808d17f]
11: /usr/bin/X(main+0x395) [0x8072515]
12: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x284b56]
13: /usr/bin/X [0x80719c1]
Saw signal 11. Server aborting.
(II) AT Translated Set 2 keyboard: Close
(II) UnloadModule: "evdev"
(II) Power Button: Close
(II) UnloadModule: "evdev"
(II) Video Bus: Close
(II) UnloadModule: "evdev"
(II) Sleep Button: Close
(II) UnloadModule: "evdev"
(II) Asus Laptop extra buttons: Close
(II) UnloadModule: "evdev"
(II) Power Button: Close
(II) UnloadModule: "evdev"
(II) Macintosh mouse button emulation: Close
(II) UnloadModule: "evdev"
(II) UnloadModule: "synaptics"
(II) Logitech USB Receiver: Close
(II) UnloadModule: "evdev"
(II) AIGLX: Suspending AIGLX clients for VT switch
 ddxSigGiveUp: Closing log