Oh, it *IS* a crash!! I installed lxpanel-DBG and now I could figure out where the crash happened:
Starting program: /usr/bin/lxpanel --log 5 --profile Lubuntu [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". [New Thread 0xb66a5b40 (LWP 16643)] [New Thread 0xb5ea4b40 (LWP 16644)] ** Message: x-terminal-emulator has very limited support, consider choose another terminal ** (lxpanel:16639): WARNING **: XDG_TEMPLATES_DIR is set to invalid path, ignoring it [New Thread 0xb3457b40 (LWP 16645)] [New Thread 0xb2c43b40 (LWP 16646)] [Thread 0xb3457b40 (LWP 16645) exited] [New Thread 0xadeb6b40 (LWP 16669)] [New Thread 0xad2ebb40 (LWP 16674)] (lxpanel:16639): Wnck-WARNING **: Unhandled action type _OB_WM_ACTION_UNDECORATE Program received signal SIGSEGV, Segmentation fault. 0x80010433 in taskbar_task_control_event (widget=0x8015c928, tk=0x8018b8e8, popup_menu=<optimised out>, event=<optimised out>, event=<optimised out>) at launchtaskbar.c:2574 2574 launchtaskbar.c: No such file or directory. (gdb) bt full #0 0x80010433 in taskbar_task_control_event (widget=0x8015c928, tk=0x8018b8e8, popup_menu=<optimised out>, event=<optimised out>, event=<optimised out>) at launchtaskbar.c:2574 items = 0x8013a6a0 item = 0x0 i = 1 ltbp = <optimised out> visible_task = 0x8018b8e8 tb = 0x8016c7e8 tc = <optimised out> #1 0xb7a8f22b in ?? () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #2 0xb752eb8b in g_closure_invoke () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #3 0xb7540ffc in ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #4 0xb754988c in g_signal_emit_valist () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0xb7549fc5 in g_signal_emit () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0xb7baf1f4 in ?? () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #7 0xb7a8d5c9 in gtk_propagate_event () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #8 0xb7a8da1d in gtk_main_do_event () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #9 0xb78fffb9 in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0 No symbol table info available. #10 0xb7435ce9 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0xb7435f89 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. ---Type <return> to continue, or q <return> to quit--- #12 0xb7436339 in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #13 0xb7a8c7a5 in gtk_main () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #14 0x800098e5 in main (argc=5, argv=0xbffff024, env=0xbffff03c) at main.c:485 i = <optimised out> desktop_name = <optimised out> This is MUCH more like it now. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1510364 Title: LXpanel might auto-restart when RMB is pressed and mouse cursor is below or at task pane To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxpanel/+bug/1510364/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs