Ok, here is the valgrind log for "aptitude dist-upgrade." ** Attachment added: "Valgrind Logs for aptitude" http://librarian.launchpad.net/6172026/valgrind-logs-aptitude.tar.gz -- [apport] gnome-panel crashed with SIGSEGV in g_type_value_table_peek() https://launchpad.net/bugs/82202