.
Thread 5 (Thread 0x7fcb5db64700 (LWP 1965)):
#0  0x00007fcb7a752b03 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  0x00007fcb78fb7b84 in g_main_context_poll (n_fds=5, fds=0x7fcb500058d0, timeout=-1, context=0x7fcb5800e000, priority=<optimized out>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3440
        poll_func = 0x7fcb78fc5a10 <g_poll>
#2  g_main_context_iterate (context=0x7fcb5800e000, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3141
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = <optimized out>
        fds = 0x7fcb500058d0
#3  0x00007fcb78fb7fe2 in g_main_loop_run (loop=0x7fcb5800df90) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fcb74961886 in gdbus_shared_thread_func (user_data=0x7fcb5800dfd0) at /build/buildd/glib2.0-2.33.3/./gio/gdbusprivate.c:277
        data = 0x7fcb5800dfd0
#5  0x00007fcb78fda865 in g_thread_proxy (data=0x7fcb5800ae80) at /build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
        thread = 0x7fcb5800ae80
#6  0x00007fcb7a456e9a in start_thread (arg=0x7fcb5db64700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fcb5db64700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4663014509072471886, 140511435705072, 140511427316160, 0, 3, 4674488396043659442, 4674544585492277426}, 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  0x00007fcb7a75e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7fcb5e365700 (LWP 1964)):
#0  0x00007fcb7a752b03 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  0x00007fcb78fb7b84 in g_main_context_poll (n_fds=1, fds=0x7fcb580010e0, timeout=-1, context=0x1257800, priority=<optimized out>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3440
        poll_func = 0x7fcb78fc5a10 <g_poll>
#2  g_main_context_iterate (context=0x1257800, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3141
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7fcb580010e0
#3  0x00007fcb78fb7fe2 in g_main_loop_run (loop=0x7fcb580010c0) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fcb5e36ab7b in dconf_context_thread (data=0x1257800) at dconfcontext.c:11
        context = 0x1257800
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007fcb78fda865 in g_thread_proxy (data=0x1254050) at /build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
        thread = 0x1254050
#6  0x00007fcb7a456e9a in start_thread (arg=0x7fcb5e365700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fcb5e365700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4663014509072471886, 140735583699104, 140511435708864, 0, 3, 4674482902243616946, 4674544585492277426}, 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  0x00007fcb7a75e4bd 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 0x7fcb76f86700 (LWP 1900)):
#0  0x00007fcb7a752b03 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  0x00007fcb78fb7b84 in g_main_context_poll (n_fds=1, fds=0x7fcb700008e0, timeout=-1, context=0xce6b00, priority=<optimized out>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3440
        poll_func = 0x7fcb78fc5a10 <g_poll>
#2  g_main_context_iterate (context=context@entry=0xce6b00, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3141
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7fcb700008e0
#3  0x00007fcb78fb7ca4 in g_main_context_iteration (context=0xce6b00, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3207
        retval = <optimized out>
#4  0x00007fcb78fb7cf1 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:4879
No locals.
#5  0x00007fcb78fda865 in g_thread_proxy (data=0xce7000) at /build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
        thread = 0xce7000
#6  0x00007fcb7a456e9a in start_thread (arg=0x7fcb76f86700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fcb76f86700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4663014509072471886, 140735583700624, 140511851080128, 0, 3, 4674535145688934578, 4674544585492277426}, 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  0x00007fcb7a75e4bd 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 0x7fcb6d835700 (LWP 1938)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007fcb6e0500b3 in ?? ()
No symbol table info available.
#2  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fcb7b401780 (LWP 1899)):
#0  0x00007fcb67139ebb in ?? ()
No symbol table info available.
#1  0x00007fff8e793a60 in ?? ()
No symbol table info available.
#2  0x00007fcb68b895c0 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x0000000002aa7928 in ?? ()
No symbol table info available.
#5  0x0000000001677dd0 in ?? ()
No symbol table info available.
#6  0x00007fcb6896fa7d in ?? ()
No symbol table info available.
#7  0x00007fcb674a4e10 in ?? ()
No symbol table info available.
#8  0x00007fff8e793ae0 in ?? ()
No symbol table info available.
#9  0x00007fff8e793aa0 in ?? ()
No symbol table info available.
#10 0x0000000044128000 in ?? ()
No symbol table info available.
#11 0x00007fcb68b895c0 in ?? ()
No symbol table info available.
#12 0x44940000000000cd in ?? ()
No symbol table info available.
#13 0x00000000000002e4 in ?? ()
No symbol table info available.
#14 0x00007fcb0000024a in ?? ()
No symbol table info available.
#15 0x000002a50000029c in ?? ()
No symbol table info available.
#16 0x000000cd000002e4 in ?? ()
No symbol table info available.
#17 0x3df2aaab3d886ef2 in ?? ()
No symbol table info available.
#18 0x3f8f2aab3f8886ef in ?? ()
No symbol table info available.
#19 0x3f8000003f800000 in ?? ()
No symbol table info available.
#20 0x3df2aaab3d886ef2 in ?? ()
No symbol table info available.
#21 0x0000000200000002 in ?? ()
No symbol table info available.
#22 0x0000000200000002 in ?? ()
No symbol table info available.
#23 0x0000000100000000 in ?? ()
No symbol table info available.
#24 0x000002e4438e0000 in ?? ()
No symbol table info available.
#25 0x0000000000000000 in ?? ()
No symbol table info available.