X が落ちやすい.

最近特に.

Backtrace:
0: /usr/bin/X(xf86SigHandler+0x7e) [0x80c6a4e]
1: [0xffffe420]
2: /usr/lib/xorg/modules//libxaa.so [0xb7a18479]
3: /usr/lib/xorg/modules/drivers//intel_drv.so(i830_xaa_composite+0x148) [0xb7b6d468]
4: /usr/bin/X [0x8170283]
5: /usr/bin/X(CompositePicture+0x150) [0x81575d0]
6: /usr/bin/X [0x815d5af]
7: /usr/bin/X [0x815a465]
8: /usr/bin/X [0x814dbee]
9: /usr/bin/X(Dispatch+0x2bf) [0x808d19f]
10: /usr/bin/X(main+0x48b) [0x80746bb]
11: /lib/i686/cmov/libc.so.6(__libc_start_main+0xe0) [0xb7d3c450]
12: /usr/bin/X(FontFileCompleteXLFD+0x201) [0x8073a31]

Fatal server error:
Caught signal 11.  Server aborting

さて.