#0  0x00007f2a87fa2be8 in ?? () from /usr/lib/dri/i915_dri.so
No symbol table info available.
#1  0x00007f2a87f95fe3 in ?? () from /usr/lib/dri/i915_dri.so
No symbol table info available.
#2  0x00007f2a87fa49fa in ?? () from /usr/lib/dri/i915_dri.so
No symbol table info available.
#3  0x00007f2a87f81e57 in ?? () from /usr/lib/dri/i915_dri.so
No symbol table info available.
#4  0x00007f2a8a9c25cf in ?? () from /usr/lib/mesa/libGL.so.1
No symbol table info available.
#5  0x00007f2a8a99ca12 in glXMakeCurrentReadSGI () from /usr/lib/mesa/libGL.so.1
No symbol table info available.
#6  0x0000000000401bd1 in ?? ()
No symbol table info available.
#7  0x0000000000402de6 in ?? ()
No symbol table info available.
#8  0x00007f2a89e3cd8e in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#9  0x0000000000401199 in ?? ()
No symbol table info available.
#10 0x00007fff79e1b888 in ?? ()
No symbol table info available.
#11 0x000000000000001c in ?? ()
No symbol table info available.
#12 0x0000000000000001 in ?? ()
No symbol table info available.
#13 0x00007fff79e1c8f0 in ?? ()
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.