Loaded symbols for /lib/libexpat.so.1
(no debugging symbols found)
0xffffe430 in __kernel_vsyscall ()
(gdb) continue
Continuing.

Program received signal SIGPIPE, Broken pipe.
0xffffe430 in __kernel_vsyscall ()
(gdb) continue
Continuing.

Program received signal SIGPIPE, Broken pipe.
0xffffe430 in __kernel_vsyscall ()
(gdb) continue
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0xa771d757 in intel_renderbuffer_set_region () from /usr/lib/dri/i915_dri.so
(gdb) bt
#0  0xa771d757 in intel_renderbuffer_set_region ()
   from /usr/lib/dri/i915_dri.so
#1  0xa76ee2da in intelMakeCurrent () from /usr/lib/dri/i915_dri.so
#2  0xa76caffd in driBindContext () from /usr/lib/dri/i915_dri.so
#3  0xb7b6560c in __glXDRIcontextMakeCurrent ()
   from /usr/lib/xorg/modules//extensions/libglx.so
#4  0xb7b59fc7 in DoMakeCurrent ()
   from /usr/lib/xorg/modules//extensions/libglx.so
#5  0xb7b5a1c5 in __glXDisp_MakeCurrent ()
   from /usr/lib/xorg/modules//extensions/libglx.so
#6  0xb7b5c6fa in __glXDispatch ()
   from /usr/lib/xorg/modules//extensions/libglx.so
#7  0x0808b4af in Dispatch ()
#8  0x08070d4d in main ()
(gdb)