Yes, bug #778075 looks like a duplicate of this one. I often get the same crash (segfault at 318) when running Java applications. I got a stack trace from gdb that shows it crashing in g_closure_invoke ():
(gdb) run Starting program: /usr/bin/unity-window-decorator [Thread debugging using libthread_db enabled] [New Thread 0x7fffedb8b700 (LWP 7766)] [New Thread 0x7fffe367d700 (LWP 7767)] (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed (unity-window-decorator:7762): GLib-GObject-WARNING **: invalid unclassed pointer in cast to `GObject' (unity-window-decorator:7762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed Program received signal SIGSEGV, Segmentation fault. 0x0000000000415d6f in ?? () (gdb) backtrace #0 0x0000000000415d6f in ?? () #1 0x00007ffff4ed581c in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #2 0x00007ffff4ee7019 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #3 0x00007ffff4ef0258 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #4 0x00007ffff4ef041f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #5 0x00007ffff7228d44 in ?? () from /usr/lib/libwnck-1.so.22 #6 0x00007ffff72293d4 in ?? () from /usr/lib/libwnck-1.so.22 #7 0x00007ffff4609bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #8 0x00007ffff460a3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #9 0x00007ffff460a9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #10 0x00007ffff6d04af7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #11 0x0000000000409864 in main () -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/777249 Title: In Unity/Natty the window border disapears [segfault at 318, error 6 in unity-window-decorator] -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
