. Thread 4 (Thread 0x7f22d4e0b700 (LWP 2144)): #0 0x00007f230c80f05e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007f230cde3115 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f230cd79ad1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f230cd7a05b in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f230cdc86b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f230cdc7c25 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0x00007f230c80af8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #7 0x00007f230c534e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 3 (Thread 0x7f2304545700 (LWP 2137)): #0 0x00007f230c5283cd in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f230cda3394 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f230cda349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f2304bc9a1d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f230cdc7c25 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f230c80af8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f230c534e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 2 (Thread 0x7f2303d44700 (LWP 2138)): #0 0x00007f230c5283cd in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f230cda3394 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f230cda37fa in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f230d37e5f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f230cdc7c25 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f230c80af8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f230c534e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 1 (Thread 0x7f230ec08980 (LWP 2136)): #0 0x00007f230d08dfec in g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. Cannot access memory at address 0x7fff78a0d1c8