.
Thread 5 (Thread 0x7ff2a1ee7700 (LWP 3401)):
#0  0x00007ff2b21e60bd in read () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ff2b2b8eb93 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ff2b2bb8626 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff2b21deedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#4  0x00007ff2b1f1989d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7ff2a8f29700 (LWP 3396)):
#0  0x00007ff2b1f0d773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ff2b2b93078 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ff2b2b938a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff2aa77fc7b in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007ff2b2bb8626 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ff2b21deedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007ff2b1f1989d 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 0x7ff2a9f2b700 (LWP 5798)):
#0  0x00007ff2b21e33ab in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ff2b2e464d5 in ?? () from /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0
No symbol table info available.
#2  0x00007ff2b2b6747f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff2b2b67cd1 in g_async_queue_timed_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007ff2b2bbaa67 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ff2b2bb8626 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007ff2b21deedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007ff2b1f1989d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7ff2a972a700 (LWP 3395)):
#0  0x00007ff2b1f0d773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ff2b2b93078 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ff2b2b938a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff2b37ca7b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007ff2b2bb8626 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ff2b21deedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007ff2b1f1989d 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 0x7ff2b4e459a0 (LWP 3391)):
#0  0x00007ff2b3ca8010 in gdk_property_change () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#1  0x00007ff2b40d88d5 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#2  0x00007ff2b4064143 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#3  0x000000000285f130 in ?? ()
No symbol table info available.
#4  0x00000000023ede00 in ?? ()
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.