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Thread 1 (Thread 0x7f70f9fef740 (LWP 3456)):
#0  0x00007f70f6d32549 in radeon_drm_winsys_create () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#1  0x00007f70f6cc0019 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#2  0x00007f70f6d2da82 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
No symbol table info available.
#3  0x00007f70f396b1bd in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
No symbol table info available.
#4  0x00007f70f9bd761d in ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#5  0x00007f70f9bb8658 in ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#6  0x00007f70f9bb4f8b in ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#7  0x00007f70f9bb501b in glXGetConfig () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#8  0x000000000040209a in ?? ()
No symbol table info available.
#9  0x000000000040161b in ?? ()
No symbol table info available.
#10 0x00007f70f8ca3de5 in __libc_start_main (main=0x401270, argc=1, ubp_av=0x7ffff8e47738, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff8e47728) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8953448283110490606, 4201006, 140737369110320, 0, 0, -8953446269055811090, -9033947817833676306}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x4024a0, 0x7ffff8e47738}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4203680}}}
        not_first_call = <optimized out>
#11 0x0000000000401a57 in ?? ()
No symbol table info available.