StacktraceTop:
g_mutex_free_posix_impl (mutex=0x8b91e58) at /build/buildd/glib2.0-2.28.5/./gthread/gthread-posix.c:171
book_backend_finalize (object=0x8b96070) at e-book-backend.c:140
g_object_unref (_object=0x8b96070) at /build/buildd/glib2.0-2.28.5/./gobject/gobject.c:2734
e_data_book_dispose (object=0x8b7fb20) at e-data-book.c:867
g_object_unref (_object=0x8b7fb20) at /build/buildd/glib2.0-2.28.5/./gobject/gobject.c:2697
StacktraceTop: free_posix_ impl (mutex=0x8b91e58) at /build/ buildd/ glib2.0- 2.28.5/ ./gthread/ gthread- posix.c: 171 finalize (object=0x8b96070) at e-book- backend. c:140 buildd/ glib2.0- 2.28.5/ ./gobject/ gobject. c:2734 book_dispose (object=0x8b7fb20) at e-data-book.c:867 buildd/ glib2.0- 2.28.5/ ./gobject/ gobject. c:2697
g_mutex_
book_backend_
g_object_unref (_object=0x8b96070) at /build/
e_data_
g_object_unref (_object=0x8b7fb20) at /build/