.
Thread 2 (process 2126):
#0  0x00007fbc2eed9283 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=<value optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = 18446744073709551100
	oldtype = 0
	result = <value optimized out>
#1  0x0000000001a1e2d0 in ?? ()
No symbol table info available.
#2  0x00000000ffffffff in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x0000000001a1e2d0 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007fbc2e0d7250 in g_main_context_iterate (context=0x1a1e310, 
    block=<value optimized out>, dispatch=1)
    at /build/buildd/glib2.0-2.27.93/glib/gmain.c:4319
	max_priority = 2147483647
	timeout = -1
	some_ready = <value optimized out>
	nfds = 1
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x1a1e2d0
#7  0x00000000019fed40 in ?? ()
No symbol table info available.
#8  0x00007fbc2e3817a8 in test_run_name () from /lib/libglib-2.0.so.0
No symbol table info available.
#9  0x000000012f8b2d70 in ?? ()
No symbol table info available.
#10 0x00007fbc2e3817e0 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#11 0x0000000001a1e2fc in ?? ()
No symbol table info available.
#12 0x7fffffffffffffff in ?? ()
No symbol table info available.
#13 0x0000000000000003 in ?? ()
No symbol table info available.
#14 0x0000000001a1e2f0 in ?? ()
No symbol table info available.
#15 0x00007fbc2f8b1390 in __pthread_mutex_lock_full (mutex=0x1a1e2d0)
    at pthread_mutex_lock.c:297
	kind = -516
	oldval = <value optimized out>
	id = -1
	__PRETTY_FUNCTION__ = "__pthread_mutex_lock_full"
#16 0x00007fbc2e381ec0 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#17 0x0000000001a1e2fc in ?? ()
No symbol table info available.
#18 0x00007fbc2f8b1390 in __pthread_mutex_lock_full (mutex=0x7fbc2e3817e0)
    at pthread_mutex_lock.c:297
	kind = -516
	oldval = <value optimized out>
	id = 27386620
	__PRETTY_FUNCTION__ = "__pthread_mutex_lock_full"
#19 0x0000000000000003 in ?? ()
No symbol table info available.
#20 0x00007fbc2e0d7b2a in g_main_loop_run (loop=0x3)
    at /build/buildd/glib2.0-2.27.93/glib/gmain.c:4319
	__PRETTY_FUNCTION__ = "g_main_loop_run"
#21 0x00007fbc2b83fb44 in gdbus_shared_thread_func (
    data=<value optimized out>)
    at /build/buildd/glib2.0-2.27.93/gio/gdbusprivate.c:471
No locals.
#22 0x00007fbc2e0fe664 in g_thread_create_proxy (data=0x1a1e3f0)
    at /build/buildd/glib2.0-2.27.93/glib/gthread.c:1042
	thread = (GRealThread *) 0x1a1e3f0
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#23 0x00007fbc2f8aed8c in start_thread (arg=0x7fbc2b0db700)
    at allocatestack.c:304
	pd = (struct pthread *) 0x7fbc2b0db700
	now = <value optimized out>
	unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140446152898304, 
        -2698103079185219724, 140734820165936, 140446152899008, 0, 3, 
        2735443712206634868, 2735433878983606132}, mask_was_saved = 0}}, 
  priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
      canceltype = 0}}}
	not_first_call = 0
	robust = <value optimized out>
	sp = <value optimized out>
	freesize = <value optimized out>
	__PRETTY_FUNCTION__ = "start_thread"
#24 0x00007fbc2eee639d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#25 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (process 2076):
#0  0x00007fbc2311e8d7 in GridWindow::grabNotify (this=0x1a7e3d0, 
    x=<value optimized out>, y=<value optimized out>, 
    state=<value optimized out>, mask=<value optimized out>)
    at /build/buildd/compiz-0.9.2.1+glibmainloop4/plugins/grid/src/grid.h:160
No locals.
#1  0x0000000000436462 in CompWindow::grabNotify (this=0x19f8c90, 
    x=<value optimized out>, y=<value optimized out>, 
    state=<value optimized out>, mask=<value optimized out>)
    at /build/buildd/compiz-0.9.2.1+glibmainloop4/src/window.cpp:662
	curr = 2
#2  0x00000000019f8c90 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x00000000019f8d00 in ?? ()
No symbol table info available.
#5  0x0000000000436462 in CompWindow::grabNotify (this=0x2, 
    x=<value optimized out>, y=<value optimized out>, 
    state=<value optimized out>, mask=<value optimized out>)
    at /build/buildd/compiz-0.9.2.1+glibmainloop4/src/window.cpp:662
	curr = 27233536
#6  0x00000000019f8c90 in ?? ()
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
Current language:  auto; currently c
Current language:  auto; currently c++