(gdb) thread apply all bt

Thread 6 (Thread 0xb6df6b70 (LWP 8927)):
#0  0xb7fe1424 in __kernel_vsyscall ()
#1  0xb776e583 in prctl () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#2  0xb789f393 in g_system_thread_set_name (name=0xb6411480 "gmain")
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gthread-posix.c:1175
#3  0xb7882e99 in g_thread_proxy (data=0x810f460)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gthread.c:796
#4  0xb7800c39 in start_thread ()
   from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0
#5  0xb776d78e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

Thread 5 (Thread 0xb53fdb70 (LWP 8918)):
#0  0xb7fe1424 in __kernel_vsyscall ()
#1  0xb775fd96 in poll () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#2  0xb786d13b in g_poll (fds=0x80a0fb0, nfds=1, timeout=-1)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gpoll.c:132
#3  0xb785e9f0 in g_main_context_poll (n_fds=1, fds=0x80a0fb0, 
    timeout=<optimized out>, context=0x809fd78, priority=<optimized out>)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+---Type <return> to continue, or q <return> to quit---
really2.32.4/./glib/gmain.c:3440
#4  g_main_context_iterate (context=0x809fd78, block=block@entry=1, 
    dispatch=dispatch@entry=1, 
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3141
#5  0xb785eecb in g_main_loop_run (loop=0x809d5c8)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3340
#6  0xb65d0604 in ?? ()
   from /usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so
#7  0xb7882eb3 in g_thread_proxy (data=0x808ca30)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gthread.c:801
#8  0xb7800c39 in start_thread ()
   from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0
#9  0xb776d78e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

Thread 4 (Thread 0xb5bfeb70 (LWP 8917)):
#0  0xb7fe1424 in __kernel_vsyscall ()
#1  0xb775fd96 in poll () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#2  0xb786d13b in g_poll (fds=0xb6404238, nfds=5, timeout=-1)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+---Type <return> to continue, or q <return> to quit---
really2.32.4/./glib/gpoll.c:132
#3  0xb785e9f0 in g_main_context_poll (n_fds=5, fds=0xb6404238, 
    timeout=<optimized out>, context=0x809bc50, priority=<optimized out>)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3440
#4  g_main_context_iterate (context=0x809bc50, block=block@entry=1, 
    dispatch=dispatch@entry=1, 
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3141
#5  0xb785eecb in g_main_loop_run (loop=0x809bc28)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3340
#6  0xb7a36f4a in gdbus_shared_thread_func (user_data=0x809bc38)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./gio/gdbusprivate.c:277
#7  0xb7882eb3 in g_thread_proxy (data=0x8097f50)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gthread.c:801
#8  0xb7800c39 in start_thread ()
   from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0
#9  0xb776d78e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

---Type <return> to continue, or q <return> to quit---
Thread 3 (Thread 0xb63ffb70 (LWP 8916)):
#0  0xb7fe1424 in __kernel_vsyscall ()
#1  0xb7805703 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0
#2  0xb789ee50 in g_cond_wait_until (cond=cond@entry=0x8095e28, 
    mutex=mutex@entry=0x8095e20, end_time=2382893473)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gthread-posix.c:855
#3  0xb7831e69 in g_async_queue_pop_intern_unlocked (
    queue=queue@entry=0x8095e20, wait=wait@entry=1, end_time=2382893473)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gasyncqueue.c:424
#4  0xb78326ae in g_async_queue_timeout_pop (queue=0x8095e20, timeout=15000000)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gasyncqueue.c:545
#5  0xb788383f in g_thread_pool_wait_for_new_pool ()
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gthreadpool.c:169
#6  g_thread_pool_thread_proxy (data=0x8095f88)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gthreadpool.c:366
#7  0xb7882eb3 in g_thread_proxy (data=0x808c830)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+---Type <return> to continue, or q <return> to quit---
really2.32.4/./glib/gthread.c:801
#8  0xb7800c39 in start_thread ()
   from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0
#9  0xb776d78e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

Thread 1 (Thread 0xb6feb840 (LWP 8912)):
#0  0xb4a606e0 in gdk_device_manager_list_devices@plt ()
   from /usr/lib/gnome-settings-daemon-3.0/libmouse.so
#1  0xb4a63855 in ?? () from /usr/lib/gnome-settings-daemon-3.0/libmouse.so
#2  0xb785c190 in g_idle_dispatch (source=source@entry=0x80c79a0, 
    callback=0xb4a63630, user_data=0x8072858)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:4657
#3  0xb785e6d3 in g_main_dispatch (context=0x808ded0)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:2539
#4  g_main_context_dispatch (context=context@entry=0x808ded0)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3075
#5  0xb785ea70 in g_main_context_iterate (context=0x808ded0, 
    block=block@entry=1, dispatch=dispatch@entry=1, 
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+---Type <return> to continue, or q <return> to quit---
really2.32.4/./glib/gmain.c:3146
#6  0xb785eecb in g_main_loop_run (loop=loop@entry=0x80f97f0)
    at /build/buildd-glib2.0_2.33.12+really2.32.4-3-i386-Z8T5T2/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3340
#7  0xb7c4f69d in gtk_main ()
    at /build/buildd-gtk+3.0_3.4.2-4-i386-QQNfyz/gtk+3.0-3.4.2/./gtk/gtkmain.c:1161
#8  0x0804b1b7 in main ()