.
Thread 6 (Thread 0x7fc5b1cc3700 (LWP 4449)):
#0  0x00007fc5f2f09d93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fc5f3445136 in g_main_context_poll (n_fds=1, fds=0x7fc59804e3e0, timeout=-1, context=0x3af7ad0, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0x7fc5f3452090 <g_pattern_match_simple+128>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x3af7ad0, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fc59804e3e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x3af7ad0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = -1744509984
#4  0x00007fc5f3445264 in g_main_context_iteration (context=0x3af7ad0, may_block=1) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3179
        retval = <optimized out>
#5  0x00007fc5f34452b1 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:4851
No locals.
#6  0x00007fc5f34667d5 in g_thread_proxy (data=0x3aba320) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:794
        thread = 0x3aba320
#7  0x00007fc5f31e7e9a in start_thread (arg=0x7fc5b1cc3700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc5b1cc3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8524360495942891081, 140736433101328, 140487068236224, 61769744, 3, 8518559599892335031, 8518705437044083127}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fc5f2f1574d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 0x7fc5daffd700 (LWP 4103)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007fc5ea239940 in PR_WaitCondVar (cvar=0x200e2a0, timeout=4294967295) at ptsynch.c:417
        rv = <optimized out>
        thred = 0x200e340
#2  0x00007fc5f229e3f7 in threadLoop (rt=0x1cf8b00, this=0x1cf8d78) at jsgc.cpp:2084
No locals.
#3  js::GCHelperThread::threadMain (arg=0x1cf8b00) at jsgc.cpp:2070
        rt = 0x1cf8b00
#4  0x00007fc5ea23f103 in _pt_root (arg=0x200e340) at ptthread.c:187
        thred = 0x200e340
        detached = 0
#5  0x00007fc5f31e7e9a in start_thread (arg=0x7fc5daffd700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc5daffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {1, -8524360495942891081, 140736433107392, 140487759485376, 0, 3, 8518794769752885687, 8518705437044083127}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fc5f2f1574d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7fc5dbfff700 (LWP 4094)):
#0  0x00007fc5f2f09d93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fc5f3445136 in g_main_context_poll (n_fds=3, fds=0x7fc5d40044d0, timeout=-1, context=0x7fc5dc00c4d0, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0x7fc5f3452090 <g_pattern_match_simple+128>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7fc5dc00c4d0, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fc5d40044d0
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x7fc5dc00c4d0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = -738179888
#4  0x00007fc5f344559a in g_main_loop_run (loop=0x7fc5dc00c480) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fc5eed3e446 in release_required_types () at /build/buildd/glib2.0-2.31.20/./gio/gdbusprivate.c:248
No locals.
#6  gdbus_shared_thread_func (user_data=0x7fc5dc00c4a0) at /build/buildd/glib2.0-2.31.20/./gio/gdbusprivate.c:279
        data = 0x7fc5dc00c4a0
#7  0x00007fc5f34667d5 in g_thread_proxy (data=0x7fc5dc00a140) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:794
        thread = 0x7fc5dc00a140
#8  0x00007fc5f31e7e9a in start_thread (arg=0x7fc5dbfff700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc5dbfff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8524360495942891081, 140487859992752, 140487776270784, 0, 3, 8518792569655888311, 8518705437044083127}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007fc5f2f1574d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7fc5db7fe700 (LWP 4102)):
#0  0x00007fc5f2f09d93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fc5ee1e135f in poll_func (ufds=0x7fc5c8001460, nfds=2, timeout=-1, userdata=0x1f88800) at pulse/thread-mainloop.c:69
        mutex = 0x1f88800
        r = <optimized out>
#2  0x00007fc5ee1d276c in pa_mainloop_poll (m=0x1f9e300) at pulse/mainloop.c:875
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#3  0x00007fc5ee1d2dd9 in pa_mainloop_iterate (m=0x1f9e300, block=<optimized out>, retval=0x0) at pulse/mainloop.c:957
        r = <optimized out>
        __func__ = "pa_mainloop_iterate"
        __PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#4  0x00007fc5ee1d2e90 in pa_mainloop_run (m=0x1f9e300, retval=0x0) at pulse/mainloop.c:975
        r = <optimized out>
#5  0x00007fc5ee1e130f in thread (userdata=0x1f9e2c0) at pulse/thread-mainloop.c:88
        m = 0x1f9e2c0
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#6  0x00007fc5e590cc28 in internal_thread_func (userdata=0x1f9e610) at pulsecore/thread-posix.c:83
        t = 0x1f9e610
#7  0x00007fc5f31e7e9a in start_thread (arg=0x7fc5db7fe700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc5db7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8524360495942891081, 140488164186240, 140487767878080, 0, 3, 8518793669704386999, 8518705437044083127}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fc5f2f1574d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fc5e0fd8700 (LWP 4093)):
#0  0x00007fc5f2f09d93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fc5f3445136 in g_main_context_poll (n_fds=1, fds=0x7fc5dc0010e0, timeout=-1, context=0x1f6fc00, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0x7fc5f3452090 <g_pattern_match_simple+128>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x1f6fc00, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7fc5dc0010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x1f6fc00, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = -603975456
#4  0x00007fc5f344559a in g_main_loop_run (loop=0x7fc5dc0010c0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007fc5e18f875b in dconf_context_thread (data=0x1f6fc00) at dconfcontext.c:11
        context = 0x1f6fc00
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007fc5f34667d5 in g_thread_proxy (data=0x1d09320) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:794
        thread = 0x1d09320
#7  0x00007fc5f31e7e9a in start_thread (arg=0x7fc5e0fd8700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fc5e0fd8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8524360495942891081, 140736433108400, 140487859997120, 0, 3, 8518737572062792119, 8518705437044083127}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fc5f2f1574d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fc5f57e19c0 (LWP 4079)):
#0  g_logv (log_domain=0x7fc5f3c60ea6 "Gdk", log_level=<optimized out>, format=0x7fc5f3c6b6a7 "%s", args1=0x7fffc11a33a8) at /build/buildd/glib2.0-2.31.20/./glib/gmessages.c:765
        domain = 0x0
        data = <optimized out>
        depth = 0
        log_func = <optimized out>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = <optimized out>
        test_level = <optimized out>
        was_fatal = 0
        was_recursion = 0
        i = <optimized out>
#1  0x00007fc5f344c312 in g_log (log_domain=<optimized out>, log_level=<optimized out>, format=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmessages.c:792
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffc11a3480, reg_save_area = 0x7fffc11a33c0}}
#2  0x00007fc5f3c40623 in _gdk_x11_display_error_event (display=<optimized out>, error=<optimized out>) at /build/buildd/gtk+3.0-3.3.16/./gdk/x11/gdkdisplay-x11.c:2396
        buf = "GLXBadPixmap", '\000' <repeats 51 times>
        msg = <optimized out>
        display_x11 = <optimized out>
        tmp_list = <optimized out>
        ignore = 0
#3  0x00007fc5f3c4d437 in gdk_x_error (error=0x7fffc11a3610, xdisplay=<optimized out>) at /build/buildd/gtk+3.0-3.3.16/./gdk/x11/gdkmain-x11.c:312
        error_display = 0x1bd0020
        manager = <optimized out>
        displays = 0x0
#4  gdk_x_error (xdisplay=<optimized out>, error=0x7fffc11a3610) at /build/buildd/gtk+3.0-3.3.16/./gdk/x11/gdkmain-x11.c:275
No locals.
#5  0x00007fc5cf3e3bd1 in xkl_process_error (dpy=0x1bc2e50, evt=0x7fffc11a3610) at xklavier_evt.c:542
        buf = '\000' <repeats 127 times>
        engine = 0x2787c60
        __func__ = "xkl_process_error"
#6  0x00007fc5f01cc606 in ?? ()
No symbol table info available.
#7  0x00007fc500000000 in ?? ()
No symbol table info available.
#8  0x0000000001bc2e50 in ?? ()
No symbol table info available.
#9  0x0000000001200055 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.