#0  0x00007f8181b88d27 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 9382
        selftid = 9437
#1  0x00007f8181b8a418 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x192eed0, sa_sigaction = 0x192eed0}, sa_mask = {__val = {0, 140194205202273, 140194281256279, 140192027508741, 0, 14451488, 140194203667752, 11, 140194205202273, 21071376, 140194281284917, 0, 0, 140193503903808, 4294967295, 0}}, sa_flags = -2114901760, sa_restorer = 0x7f815801fc00}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00000000004ac122 in dbg::crash () at dbg.cpp:222
No locals.
#3  0x00000000004ac17e in dbg::signal_crash (signum=11) at dbg.cpp:50
No locals.
#4  <signal handler called>
No locals.
#5  0x00007f814338b6ba in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#6  0x00007f818460cf32 in ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#7  0x00007f81840eb835 in QGLContext::swapBuffers (this=<optimized out>) at qgl_x11.cpp:980
        interval = <optimized out>
        d = 0x19330c0
#8  0x000000000046494a in gl_thread::run (this=0x1932c20) at video_output_qt.cpp:222
        counter = 1379601
#9  0x00007f8182f1d39f in QThreadPrivate::start (arg=0x1932c20) at thread/qthread_unix.cpp:349
        __clframe = {__cancel_routine = 0x7f8182f1c320 <QThreadPrivate::finish(void*)>, __cancel_arg = 0x1932c20, __do_it = 1, __cancel_type = <optimized out>}
        thr = 0x1932c20
        data = <optimized out>
        objectName = {static null = {<No data fields>}, static shared_null = {ref = {_q_value = 1}, alloc = 0, size = 0, data = 0x702e5a <QString::shared_null+26>, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, static shared_empty = {ref = {_q_value = 4}, alloc = 0, size = 0, data = 0x7f818338393a <QString::shared_empty+26>, clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d = 0x702e40 <QString::shared_null>, static codecForCStrings = 0x0}
#10 0x00007f818274c0a5 in start_thread (arg=0x7f8142072700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7f8142072700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140193135273728, -3388376092578658925, 0, 0, 140193135274432, 140193135273728, 3456677552019228051, 3456817334238725523}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#11 0x00007f8181c4c84d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.