.
Thread 4 (process 3709):
#0  0x00007fb8e9ad0373 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = <value optimized out>
	_a3 = -1
	_a2 = 8
	_a1 = 17728768
	oldtype = 0
	result = <value optimized out>
#1  0x00007fb8e9dab36c in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb8e9dab9e5 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb8ef48fb00 in link_io_thread_fn (data=<value optimized out>)
    at linc.c:396
No locals.
#4  0x00007fb8e9dd0b34 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb8eedd1a04 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb8e9adc7bd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (process 3547):
#0  0x00007fb8e9ad0373 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = <value optimized out>
	_a3 = -1
	_a2 = 1
	_a1 = 19606320
	oldtype = 0
	result = <value optimized out>
#1  0x00007fb8e9dab36c in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb8e9dab9e5 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb8effc6e7d in startup_mainloop (arg=<value optimized out>)
    at e-book.c:3783
	loop = (GMainLoop *) 0xfffffffffffffdfc
#4  0x00007fb8e9dd0b34 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb8eedd1a04 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb8e9adc7bd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (process 4823):
#0  0x00007fb8e9ad0373 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
	resultvar = <value optimized out>
	_a3 = -1
	_a2 = 2
	_a1 = 20552688
	oldtype = 0
	result = <value optimized out>
#1  0x00007fb8dab3120f in poll_func (ufds=0x1399bf0, nfds=2, timeout=-1, 
    userdata=0x148dfb0) at pulse/thread-mainloop.c:75
	r = <value optimized out>
	__func__ = "poll_func"
	__PRETTY_FUNCTION__ = "poll_func"
#2  0x00007fb8dab215e6 in pa_mainloop_poll (m=0x14ac4e0)
    at pulse/mainloop.c:879
	__func__ = "pa_mainloop_poll"
	__PRETTY_FUNCTION__ = "pa_mainloop_poll"
#3  0x00007fb8dab22eb9 in pa_mainloop_iterate (m=0x14ac4e0, 
    block=<value optimized out>, retval=0x0) at pulse/mainloop.c:961
	r = <value optimized out>
	__func__ = "pa_mainloop_iterate"
	__PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#4  0x00007fb8dab22f70 in pa_mainloop_run (m=0x14ac4e0, retval=0x0)
    at pulse/mainloop.c:979
	r = <value optimized out>
#5  0x00007fb8dab3112b in thread (userdata=0x139c700)
    at pulse/thread-mainloop.c:94
	mask = {__val = {18446744067267100671, 
    18446744073709551615 <repeats 15 times>}}
#6  0x00007fb8da8f2050 in internal_thread_func (userdata=0x1386f70)
    at pulsecore/thread-posix.c:72
	__func__ = "internal_thread_func"
	__PRETTY_FUNCTION__ = "internal_thread_func"
#7  0x00007fb8eedd1a04 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#8  0x00007fb8e9adc7bd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (process 3318):
#0  0x00007fb8f082eea5 in empathy_dispatcher_create_channel ()
   from /usr/lib/libempathy.so.30
No symbol table info available.
#1  0x00007fb8e9da7bbe in g_main_context_dispatch ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb8e9dab588 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb8e9dab9e5 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb8ec1d6177 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#5  0x0000000000419c22 in ?? ()
No symbol table info available.
#6  0x00007fb8e9a1babd in __libc_start_main (main=<value optimized out>, 
    argc=<value optimized out>, ubp_av=<value optimized out>, 
    init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff0d56c238)
    at libc-start.c:220
	result = <value optimized out>
	unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3782356633191445332, 
        4294192, 140733417177664, 0, 0, 3781972567064579244, 
        3815549362188586156}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 
      0x43ccf0, 0x7fff0d56c248}, data = {prev = 0x0, cleanup = 0x0, 
      canceltype = 4443376}}}
	not_first_call = <value optimized out>
#7  0x0000000000418659 in ?? ()
No symbol table info available.
#8  0x00007fff0d56c238 in ?? ()
No symbol table info available.
#9  0x000000000000001c in ?? ()
No symbol table info available.
#10 0x0000000000000001 in ?? ()
No symbol table info available.
#11 0x00007fff0d56cb41 in ?? ()
No symbol table info available.
#12 0x0000000000000000 in ?? ()
No symbol table info available.