Backtrace:
0: /usr/bin/X11/X(xf86SigHandler+0x6d) [0x4802ed]
1: /lib/libc.so.6 [0x2b0ca251e110]
2: /usr/bin/X11/X(Dispatch+0x120) [0x4480b0]
3: /usr/bin/X11/X(main+0x44d) [0x430f6d]
4: /lib/libc.so.6(__libc_start_main+0xda) [0x2b0ca250b4ca]
5: /usr/bin/X11/X(FontFileCompleteXLFD+0x9a) [0x43026a]

Fatal server error:
Caught signal 11.  Server aborting