.
Thread 4 (Thread 22054):
#0  0x00007fe31706ef03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe3183aa104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe3183aa9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe3193d5c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fe3183d13e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe317cd5d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fe31707c04d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 22056):
#0  0x00007fe31706ef03 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe3183aa104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe3183aa9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe301ac969b in ?? () from /usr/lib/gio/modules/libdusernamefsettings.so
No symbol table info available.
#4  0x00007fe3183d13e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe317cd5d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fe31707c04d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 22685):
#0  0x00007fe317cdaf2b in pthread_usernamed_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007fe318860392 in ?? () from /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0
No symbol table info available.
#2  0x00007fe31837f2af in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe3183d3b51 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fe3183d13e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe317cd5d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fe31707c04d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 22053):
#0  0x00007fe30c199958 in Launcher::OnPlaceViewHidden(_GVariant*, void*) () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#1  0x00007fe30c13f109 in ?? () from /usr/lib/compiz/libunityshell.so
No symbol table info available.
#2  0x00007fe3183a9bcd in g_main_usernametext_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe3183aa3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fe3183aa9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x000000000042a2ea in CompScreen::eventLoop() ()
No symbol table info available.
#6  0x0000000000423160 in main ()
No symbol table info available.