#0  0xb7589424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb721d1cf in raise () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#2  0xb7220815 in abort () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#3  0xb775a299 in OsAbort ()
No symbol table info available.
#4  0xb762d8c7 in ddxGiveUp ()
No symbol table info available.
#5  0xb762d963 in AbortDDX ()
No symbol table info available.
#6  0xb775fa41 in ?? ()
No symbol table info available.
#7  0xb776014e in FatalError ()
No symbol table info available.
#8  0xb7757ba8 in ?? ()
No symbol table info available.
#9  <signal handler called>
No symbol table info available.
#10 0xb6ef72fa in drm_intel_bufmgr_destroy () from /usr/lib/i386-linux-gnu/libdrm_intel.so.1
No symbol table info available.
#11 0xb6f39855 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
No symbol table info available.
#12 0xb7636966 in xf86DeleteScreen ()
No symbol table info available.
#13 0xb762f876 in InitOutput ()
No symbol table info available.
#14 0xb75d5f06 in ?? ()
No symbol table info available.
#15 0xb72084d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#16 0xb75d64e9 in _start ()
No symbol table info available.