.
Thread 5 (Thread 0x7f9f8aa1a700 (LWP 4690)):
#0  0x00007f9f934895ad in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f9f939bf31c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9f939bf42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9f8aa2228d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f9f939e5b45 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9f9375f6fa in start_thread (arg=0x7f9f8aa1a700) at pthread_create.c:333
        __res = <optimised out>
        pd = 0x7f9f8aa1a700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140323202377472, -2091971198075127794, 0, 140723185330495, 140323202378176, 32553968, 2146182944167966734, 2146235344194385934}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f9f934952dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (Thread 0x7f9f618d7700 (LWP 7383)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f9f93a03cca in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9f93993929 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9f939e64b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9f939e5b45 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9f9375f6fa in start_thread (arg=0x7f9f618d7700) at pthread_create.c:333
        __res = <optimised out>
        pd = 0x7f9f618d7700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140322513188608, -2091971198075127794, 0, 140723185328559, 8388608, 39481904, 2146264691891124238, 2146235344194385934}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f9f934952dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (Thread 0x7f9f8a219700 (LWP 4691)):
#0  0x00007f9f934895ad in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f9f939bf31c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9f939bf42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9f939bf469 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9f939e5b45 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9f9375f6fa in start_thread (arg=0x7f9f8a219700) at pthread_create.c:333
        __res = <optimised out>
        pd = 0x7f9f8a219700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140323193984768, -2091971198075127794, 0, 140323202373407, 140323193985472, 0, 2146184044216465422, 2146235344194385934}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f9f934952dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7f9f89a18700 (LWP 4692)):
#0  0x00007f9f93fb45ac in g_dbus_message_get_type () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#1  0x00007f9f93fb4b21 in g_dbus_message_set_header () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#2  0x00007f9f93fb5671 in g_dbus_message_new_from_blob () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#3  0x00007f9f93fbfacd in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f9f93f60b33 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#5  0x00007f9f93f60b69 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#6  0x00007f9f939befda in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#7  0x00007f9f939bf380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007f9f939bf6a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007f9f93fbd906 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#10 0x00007f9f939e5b45 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f9f9375f6fa in start_thread (arg=0x7f9f89a18700) at pthread_create.c:333
        __res = <optimised out>
        pd = 0x7f9f89a18700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140323185592064, -2091971198075127794, 0, 140323202373759, 140323185592768, 140323091190784, 2146176352466909198, 2146235344194385934}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#12 0x00007f9f934952dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7f9f95d98a40 (LWP 4689)):
#0  malloc_printerr (ar_ptr=0x657565, ptr=<optimised out>, str=0x7f9f9351bdac "free(): invalid size", action=3) at malloc.c:4994
No locals.
#1  _int_free (av=0x657565, p=<optimised out>, have_lock=0) at malloc.c:3868
        size = <optimised out>
        fb = <optimised out>
        nextchunk = <optimised out>
        nextsize = <optimised out>
        nextinuse = <optimised out>
        prevsize = <optimised out>
        bck = <optimised out>
        fwd = <optimised out>
        errstr = <optimised out>
        locked = <optimised out>
#2  0x00007f9f93411c5c in __GI___libc_free (mem=<optimised out>) at malloc.c:2969
        ar_ptr = <optimised out>
        p = <optimised out>
        hook = <optimised out>
#3  0x00007f9f741c35d8 in ?? () from /usr/lib/x86_64-linux-gnu/unity-control-center-1/panels/libsound.so
No symbol table info available.
#4  0x00007f9f93c98a5a in g_cclosure_marshal_VOID__STRINGv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007f9f93c961d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f9f93cb09a6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f9f93cb108f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f9f93f9c0cc in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#9  0x00007f9f8f006e40 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#10 0x00007f9f8f0068ab in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#11 0x00007f9f93c96cf5 in g_cclosure_marshal_generic_va () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007f9f93c961d4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007f9f93cb04b8 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007f9f93cb108f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007f9f93f9c838 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#16 0x00007f9f93f9744a in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#17 0x00007f9f939befda in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x00007f9f939bf380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007f9f939bf42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007f9f93f86ccd in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#21 0x0000000000407503 in main ()
No symbol table info available.