Backtrace:
0: ./Xorg(xf86SigHandler+0x79) [0x80d1979]
1: [0xffffe420]
2: /data/apps/dev/xserver/build/lib/dri/i915_dri.so [0xa767c77d]
3: /data/apps/dev/xserver/build/lib/dri/i915_dri.so(dri_emit_reloc+0x36) [0xa76366d6]
4: /data/apps/dev/xserver/build/lib/dri/i915_dri.so(intel_batchbuffer_emit_reloc+0x4f) [0xa763f71f]
5: /data/apps/dev/xserver/build/lib/dri/i915_dri.so(intelCopyBuffer+0x287) [0xa76484c7]
6: /data/apps/dev/xserver/build/lib/dri/i915_dri.so(intelSwapBuffers+0x1d0) [0xa7647000]
7: /data/apps/dev/xserver/build/lib/dri/i915_dri.so [0xa76324ac]
8: /data/apps/dev/xserver/build/lib/xorg/modules/extensions//libglx.so [0xb7a63a42]
9: /data/apps/dev/xserver/build/lib/xorg/modules/extensions//libglx.so [0xb7a29f06]
10: /data/apps/dev/xserver/build/lib/xorg/modules/extensions//libglx.so [0xb7a2d0a6]
11: ./Xorg(Dispatch+0x2dc) [0x808a0ec]
12: ./Xorg(main+0x46a) [0x8070e1a]
13: /lib/libc.so.6(__libc_start_main+0xe0) [0xb7af9fe0]
14: ./Xorg(FontFileCompleteXLFD+0x1d5) [0x8070271]

Fatal server error:
Caught signal 11.  Server aborting