Program received signal SIGSEGV, Segmentation fault.
0x00007ff9a36b94c7 in update_framebuffer_size (framebuffer=0x7ff9ac62a100, surface=0x0) at ../../../../src/mesa/state_tracker/st_atom_framebuffer.c:64
64     framebuffer->width  = MIN2(framebuffer->width,  surface->width);
(gdb) bt
#0  0x00007ff9a36b94c7 in update_framebuffer_size (framebuffer=0x7ff9ac62a100, surface=0x0) at ../../../../src/mesa/state_tracker/st_atom_framebuffer.c:64
#1  0x00007ff9a36b975b in update_framebuffer_state (st=0x7ff9ac629520) at ../../../../src/mesa/state_tracker/st_atom_framebuffer.c:134
#2  0x00007ff9a36b6dc5 in st_validate_state (st=0x7ff9ac629520) at ../../../../src/mesa/state_tracker/st_atom.c:233
#3  0x00007ff9a36c2ef4 in st_Clear (ctx=0x7ff9ac5385a0, mask=18) at ../../../../src/mesa/state_tracker/st_cb_clear.c:449
#4  0x00007ff9a34e830d in _mesa_Clear (mask=16640) at ../../../../src/mesa/main/clear.c:226
#5  0x00007ff9a73c23c0 in __glXDisp_Render (cl=<optimized out>, pc=<optimized out>) at ../../glx/glxcmds.c:2086
#6  0x00007ff9a73c4a00 in __glXDispatch (client=<optimized out>) at ../../glx/glxext.c:616
#7  0x00007ff9ab07569e in Dispatch () at ../../dix/dispatch.c:432
#8  0x00007ff9ab0794ea in dix_main (argc=11, argv=0x7fffed972048, envp=<optimized out>) at ../../dix/main.c:296
#9  0x00007ff9a91c3ec5 in __libc_start_main (main=0x7ff9ab064a30 <main>, argc=11, argv=0x7fffed972048, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffed972038) at libc-start.c:287
#10 0x00007ff9ab064a5e in _start ()
(gdb) bt full
#0  0x00007ff9a36b94c7 in update_framebuffer_size (framebuffer=0x7ff9ac62a100, surface=0x0) at ../../../../src/mesa/state_tracker/st_atom_framebuffer.c:64
No locals.
#1  0x00007ff9a36b975b in update_framebuffer_state (st=0x7ff9ac629520) at ../../../../src/mesa/state_tracker/st_atom_framebuffer.c:134
        framebuffer = 0x7ff9ac62a100
        fb = 0x7ff9ac63aac0
        strb = 0x7ff9ac63b000
        i = 8
#2  0x00007ff9a36b6dc5 in st_validate_state (st=0x7ff9ac629520) at ../../../../src/mesa/state_tracker/st_atom.c:233
        state = 0x7ff9ac62a528
        i = 15
#3  0x00007ff9a36c2ef4 in st_Clear (ctx=0x7ff9ac5385a0, mask=18) at ../../../../src/mesa/state_tracker/st_cb_clear.c:449
        st = 0x7ff9ac629520
        depthRb = 0x7ff9ac63b000
        stencilRb = 0x7ff9ac63b000
        quad_buffers = 0
        clear_buffers = 0
        i = 75
#4  0x00007ff9a34e830d in _mesa_Clear (mask=16640) at ../../../../src/mesa/main/clear.c:226
        bufferMask = 18
        ctx = 0x7ff9ac5385a0
#5  0x00007ff9a73c23c0 in __glXDisp_Render (cl=<optimized out>, pc=<optimized out>) at ../../glx/glxcmds.c:2086
        entry = {bytes = 8, varsize = 0x0}
        extra = <optimized out>
        proc = <optimized out>
        err = <optimized out>
        req = <optimized out>
        client = 0x7ff9ac63cbe0
        left = <optimized out>
        cmdlen = 8
        error = 32761
        commandsDone = 22
        opcode = <optimized out>
        hdr = <optimized out>
        glxc = 0x7ff9ac63c8c0
        sw = <optimized out>
#6  0x00007ff9a73c4a00 in __glXDispatch (client=<optimized out>) at ../../glx/glxext.c:616
        rendering = 1 '\001'
        stuff = 0x7ff9ac5b27d0
        opcode = 1 '\001'
        proc = <optimized out>
        retval = <optimized out>
#7  0x00007ff9ab07569e in Dispatch () at ../../dix/dispatch.c:432
        clientReady = 0x7ff9abfd7730
        result = <optimized out>
        client = 0x7ff9ac63cbe0
        nready = 0
        icheck = 0x7ff9ab45e3f0 <checkForInput>
        start_tick = 16805
#8  0x00007ff9ab0794ea in dix_main (argc=11, argv=0x7fffed972048, envp=<optimized out>) at ../../dix/main.c:296
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#9  0x00007ff9a91c3ec5 in __libc_start_main (main=0x7ff9ab064a30 <main>, argc=11, argv=0x7fffed972048, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffed972038) at libc-start.c:287
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1840941363937946131, 140710292900405, 140737179492416, 0, 0, -1840972497064285677, -1837745369268475373}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 
              0x7ff9ab1d71f0 <__libc_csu_init>, 0x7fffed972048}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1424133648}}}
        not_first_call = <optimized out>
#10 0x00007ff9ab064a5e in _start ()
No symbol table info available.