https://bugs.edge.launchpad.net/ubuntu/+source/libwnck/+bug/199380 is the same bug and contains a valgrind showing the issue :
==27419== Invalid read of size 4 ==27419== at 0x44B87D1: gtk_tooltip_start_delay (gtktooltip.c:1015) ==27419== by 0x44B93DF: _gtk_tooltip_handle_event (gtktooltip.c:1298) ==27419== by 0x43DBCF9: gtk_main_do_event (gtkmain.c:1608) ==27419== by 0x464FA99: gdk_event_dispatch (gdkevents-x11.c:2351) ==27419== by 0x4858D15: g_main_context_dispatch (gmain.c:2003) ==27419== by 0x485C0D2: g_main_context_iterate (gmain.c:2636) ==27419== by 0x485C68D: g_main_context_iteration (gmain.c:2699) ==27419== by 0x751BDF3: processEvents (gconf.c:1886) ==27419== by 0x757B13D: ccsProcessEvents (main.c:1729) ==27419== by 0x7544549: wnck_pager_query_tooltip (in /usr/lib/libwnck-1.so.22.3.6) ==27419== by 0x43E09A3: _gtk_marshal_BOOLEAN__INT_INT_BOOLEAN_OBJECT (gtkmarshalers.c:835) ==27419== by 0x47EE078: g_type_class_meta_marshal (gclosure.c:567) ==27419== by 0x47EF82E: g_closure_invoke (gclosure.c:490) ==27419== by 0x4804119: signal_emit_unlocked_R (gsignal.c:2478) ==27419== by 0x4805946: g_signal_emit_valist (gsignal.c:2209) ==27419== by 0x4805EDF: g_signal_emit_by_name (gsignal.c:2267) ==27419== by 0x44B9275: gtk_tooltip_run_requery (gtktooltip.c:747) ==27419== by 0x44B9485: _gtk_tooltip_handle_event (gtktooltip.c:1256) ==27419== by 0x43DBCF9: gtk_main_do_event (gtkmain.c:1608) ==27419== by 0x464FA99: gdk_event_dispatch (gdkevents-x11.c:2351) ==27419== by 0x4858D15: g_main_context_dispatch (gmain.c:2003) ==27419== by 0x485C0D2: g_main_context_iterate (gmain.c:2636) ==27419== by 0x485C68D: g_main_context_iteration (gmain.c:2699) ==27419== by 0x751BDF3: processEvents (gconf.c:1886) ==27419== by 0x757B13D: ccsProcessEvents (main.c:1729) ==27419== by 0x7544549: wnck_pager_query_tooltip (in /usr/lib/libwnck-1.so.22.3.6) ==27419== by 0x43E09A3: _gtk_marshal_BOOLEAN__INT_INT_BOOLEAN_OBJECT (gtkmarshalers.c:835) ==27419== by 0x47EE078: g_type_class_meta_marshal (gclosure.c:567) ==27419== by 0x47EF82E: g_closure_invoke (gclosure.c:490) ==27419== by 0x4804119: signal_emit_unlocked_R (gsignal.c:2478) ==27419== by 0x4805946: g_signal_emit_valist (gsignal.c:2209) ==27419== by 0x4805EDF: g_signal_emit_by_name (gsignal.c:2267) ==27419== by 0x44B9275: gtk_tooltip_run_requery (gtktooltip.c:747) ==27419== by 0x44B9485: _gtk_tooltip_handle_event (gtktooltip.c:1256) ==27419== by 0x43DBCF9: gtk_main_do_event (gtkmain.c:1608) ==27419== by 0x464FA99: gdk_event_dispatch (gdkevents-x11.c:2351) ==27419== by 0x4858D15: g_main_context_dispatch (gmain.c:2003) ==27419== by 0x485C0D2: g_main_context_iterate (gmain.c:2636) ==27419== by 0x485C68D: g_main_context_iteration (gmain.c:2699) ==27419== by 0x751BDF3: processEvents (gconf.c:1886) ==27419== Address 0x48 is not stack'd, malloc'd or (recently) free'd -- gnome-panel crashed with SIGSEGV https://bugs.launchpad.net/bugs/207693 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs