. Thread 1 (Thread 0x7f00d969e7c0 (LWP 1857)): #0 0x00007f00d7df83a5 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f00d7dfbb0b in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x00007f00d81c9b9d in g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f00d81ca0c2 in g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f00d9284096 in gdu_pool_get_presentables () from /usr/lib/libgdu.so.0 No symbol table info available. #5 0x000000000040e9c1 in ?? () No symbol table info available. #6 0x00000000004103a5 in ?? () No symbol table info available. #7 0x00007f00d8672942 in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #8 0x00007f00d86734bc in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #9 0x0000000000410536 in ?? () No symbol table info available. #10 0x0000000000413f41 in ?? () No symbol table info available. #11 0x00007f00d7de330d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #12 0x00000000004074cd in ?? () No symbol table info available. #13 0x00007fff6639c518 in ?? () No symbol table info available. #14 0x000000000000001c in ?? () No symbol table info available. #15 0x0000000000000001 in ?? () No symbol table info available. #16 0x00007fff6639ca6c in ?? () No symbol table info available. #17 0x0000000000000000 in ?? () No symbol table info available.