.
Thread 4 (Thread 0x7fd06a8ef700 (LWP 5082)):
#0  0x00007fd06e0c1303 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  0x00007fd06c921d84 in g_main_context_poll (n_fds=1, fds=0x7fd0640008e0, timeout=-1, context=0x1ef8630, priority=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
        poll_func = 0x7fd06c92fe00 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1ef8630, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7fd0640008e0
#3  0x00007fd06c921ea4 in g_main_context_iteration (context=0x1ef8630, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
        retval = <optimized out>
#4  0x00007fd06c921ef1 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:5028
No locals.
#5  0x00007fd06c945645 in g_thread_proxy (data=0x1ef9400) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0x1ef9400
#6  0x00007fd06ddc3e9a in start_thread (arg=0x7fd06a8ef700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fd06a8ef700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3334949054863185705, 140734102729664, 140533117680064, 0, 3, -3321181098523420887, -3321187268778715351}, 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"
#7  0x00007fd06e0cccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7fd062fc2700 (LWP 5084)):
#0  0x00007fd06e0c1303 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  0x00007fd06c921d84 in g_main_context_poll (n_fds=3, fds=0x7fd0540010c0, timeout=-1, context=0x7fd05c010d90, priority=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
        poll_func = 0x7fd06c92fe00 <g_poll>
#2  g_main_context_iterate (context=0x7fd05c010d90, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x7fd0540010c0
#3  0x00007fd06c9221e2 in g_main_loop_run (loop=0x7fd05c010d20) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fd0687483b6 in gdbus_shared_thread_func (user_data=0x7fd05c010d60) at /build/buildd/glib2.0-2.34.0/./gio/gdbusprivate.c:277
        data = 0x7fd05c010d60
#5  0x00007fd06c945645 in g_thread_proxy (data=0x7fd05c00d140) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0x7fd05c00d140
#6  0x00007fd06ddc3e9a in start_thread (arg=0x7fd062fc2700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fd062fc2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3334949054863185705, 140532999006960, 140532990618048, 0, 3, -3321163353329166551, -3321187268778715351}, 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"
#7  0x00007fd06e0cccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fd0637c3700 (LWP 5083)):
#0  0x00007fd06e0c1303 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  0x00007fd06c921d84 in g_main_context_poll (n_fds=1, fds=0x7fd05c0010c0, timeout=-1, context=0x1f4bab0, priority=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3584
        poll_func = 0x7fd06c92fe00 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1f4bab0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7fd05c0010c0
#3  0x00007fd06c921ea4 in g_main_context_iteration (context=context@entry=0x1f4bab0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3351
        retval = <optimized out>
#4  0x00007fd06803c4ad in dconf_gdbus_worker_thread (user_data=0x1f4bab0) at dconf-gdbus-thread.c:81
        context = 0x1f4bab0
#5  0x00007fd06c945645 in g_thread_proxy (data=0x1ef95e0) at /build/buildd/glib2.0-2.34.0/./glib/gthread.c:797
        thread = 0x1ef95e0
#6  0x00007fd06ddc3e9a in start_thread (arg=0x7fd0637c3700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fd0637c3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3334949054863185705, 140734102728608, 140532999010752, 0, 3, -3321166652400920791, -3321187268778715351}, 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"
#7  0x00007fd06e0cccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fd06ed69780 (LWP 5080)):
#0  0x00007fd06e00f425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 5080
#1  0x00007fd06e012b8b in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fd06db35cc7, sa_sigaction = 0x7fd06db35cc7}, sa_mask = {__val = {140533176814144, 33215120, 140734102730272, 140734102729984, 140533175709266, 140533170396359, 206158430232, 140734102730000, 140734102729776, 140531337227566, 206158430256, 32467472, 733634176081289574, 7741253862029880440, 0, 140734102738068}}, sa_flags = 1846880821, sa_restorer = 0x7fd06db35c92}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fd06e0080ee in __assert_fail_base (fmt=<optimized out>, assertion=0x7fd06db35cc7 "!xcb_xlib_unknown_seq_number", file=0x7fd06db35c92 "../../src/xcb_io.c", line=<optimized out>, function=<optimized out>) at assert.c:94
        str = 0x1ef6a10 " @\361\001"
        total = 4096
#3  0x00007fd06e008192 in __GI___assert_fail (assertion=assertion@entry=0x7fd06db35cc7 "!xcb_xlib_unknown_seq_number", file=file@entry=0x7fd06db35c92 "../../src/xcb_io.c", line=line@entry=160, function=function@entry=0x7fd06db35de0 "append_pending_request") at assert.c:103
No locals.
#4  0x00007fd06dac453f in append_pending_request (dpy=dpy@entry=0x1ef9de0, sequence=4037) at ../../src/xcb_io.c:158
        node = <optimized out>
        __PRETTY_FUNCTION__ = "append_pending_request"
#5  0x00007fd06dac520d in _XReply (dpy=dpy@entry=0x1ef9de0, rep=rep@entry=0x7fff36337620, extra=extra@entry=0, discard=discard@entry=1) at ../../src/xcb_io.c:584
        error = <optimized out>
        c = 0x1fad290
        reply = <optimized out>
        current = <optimized out>
        __PRETTY_FUNCTION__ = "_XReply"
#6  0x00007fd06dabafb8 in XQueryExtension (dpy=dpy@entry=0x1ef9de0, name=name@entry=0x7fd06264f8b2 <Address 0x7fd06264f8b2 out of bounds>, major_opcode=major_opcode@entry=0x7fff36337684, first_event=first_event@entry=0x7fff36337688, first_error=first_error@entry=0x7fff3633768c) at ../../src/QuExt.c:48
        rep = {type = 255 '\377', pad1 = 255 '\377', sequenceNumber = 65535, length = 0, present = 113 'q', major_opcode = 0 '\000', first_event = 0 '\000', first_error = 0 '\000', pad3 = 0, pad4 = 1845393296, pad5 = 32720, pad6 = 1859605728, pad7 = 32720}
        req = 0x1f00530
#7  0x00007fd06daaeec2 in XInitExtension (dpy=dpy@entry=0x1ef9de0, name=name@entry=0x7fd06264f8b2 <Address 0x7fd06264f8b2 out of bounds>) at ../../src/InitExt.c:47
        codes = {extension = 2192400, major_opcode = 0, first_event = 0, first_error = 0}
        ext = <optimized out>
#8  0x00007fd06d47041d in XextAddDisplay (extinfo=0x1f8be40, dpy=0x1ef9de0, ext_name=0x7fd06264f8b2 <Address 0x7fd06264f8b2 out of bounds>, hooks=0x7fd062788520, nevents=17, data=0x0) at ../../src/extutil.c:110
        dpyinfo = 0x1ef0770
#9  0x00007fd0625f82f9 in ?? ()
No symbol table info available.
#10 0x00007fff36337740 in ?? ()
No symbol table info available.
#11 0x000000000000007c in ?? ()
No symbol table info available.
#12 0x00007fff36337740 in ?? ()
No symbol table info available.
#13 0x00007fff36337760 in ?? ()
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.