bash-4.3$ gdb glxgears
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Reading symbols from glxgears...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/X11R7/bin/glxgears
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
libGL error: MESA-LOADER: failed to retrieve device information
MESA-LOADER: failed to retrieve device information
MESA-LOADER: failed to retrieve device information

Program received signal SIGSEGV, Segmentation fault.
0xf6ceee6d in update_framebuffer_size (framebuffer=<optimized out>,
    framebuffer=<optimized out>, surface=<optimized out>,
    surface=<optimized out>) at state_tracker/st_atom_framebuffer.c:65
65      state_tracker/st_atom_framebuffer.c: Нет такого файла или каталога.
(gdb) bt full
#0  0xf6ceee6d in update_framebuffer_size (framebuffer=<optimized out>,
    framebuffer=<optimized out>, surface=<optimized out>,
    surface=<optimized out>) at state_tracker/st_atom_framebuffer.c:65
No locals.
#1  st_update_framebuffer_state (st=0x80ab010)
    at state_tracker/st_atom_framebuffer.c:191
        framebuffer = {width = 0, height = 0, layers = 0, samples = 0 '\000',
          nr_cbufs = 0 '\000', cbufs = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
            0x0}, zsbuf = 0x80b1b00}
        fb = <optimized out>
        i = <optimized out>
#2  0xf6cedbab in st_validate_state (st=0x80ab010, pipeline=ST_PIPELINE_CLEAR)
    at state_tracker/st_atom.c:251
        ctx = <optimized out>
        dirty = <optimized out>
        pipeline_mask = 1140850944
        dirty_lo = 1073741824
        dirty_hi = 0
#3  0xf6cf5b31 in st_Clear (ctx=0x807cc78, mask=18)
    at state_tracker/st_cb_clear.c:411
        depthRb = 0x80b1f40
        quad_buffers = 0
        clear_buffers = 0
---Type <return> to continue, or q <return> to quit---
        i = <optimized out>
#4  0xf6b3c7dd in clear (no_error=false, mask=<optimized out>, ctx=0x807cc78)
    at main/clear.c:221
        bufferMask = 18
#5  _mesa_Clear (mask=16640) at main/clear.c:242
        ctx = 0x807cc78
#6  0x08049907 in ?? ()
No symbol table info available.
#7  0x08049b80 in ?? ()
No symbol table info available.
#8  0x0804a140 in ?? ()
No symbol table info available.
#9  0x0804a40b in ?? ()
No symbol table info available.
#10 0xf7c95983 in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#11 0x08048f31 in ?? ()
No symbol table info available.
(gdb)