. Thread 1 (process 6358): #0 0xb793255f in g_hash_table_lookup () from /usr/lib/libglib-2.0.so.0 #1 0xb7eeed65 in ?? () from /usr/lib/libwnck-1.so.18 #2 0x08199880 in ?? () #3 0xb7ef3cfa in ?? () from /usr/lib/libwnck-1.so.18 #4 0xbfdb0d48 in ?? () #5 0xb7ef9364 in ?? () from /usr/lib/libwnck-1.so.18 #6 0x0000013b in ?? () #7 0xbfdb0ee8 in ?? () #8 0xbfdb0d48 in ?? () #9 0xb7edbd04 in ?? () from /usr/lib/libwnck-1.so.18 #10 0xb7ef3cfa in ?? () from /usr/lib/libwnck-1.so.18 #11 0xb7edb52e in wnck_screen_get_for_root () from /usr/lib/libwnck-1.so.18 Backtrace stopped: previous frame inner to this frame (corrupt stack?)