Thanks for your bug report. Can you get a valgrind log with http://wiki.ubuntu.com/Valgrind
Debug backtrace: Thread 1 (process 13074): #0 0xb7544984 in _int_malloc () from /lib/tls/i686/cmov/libc.so.6 #1 0xb75462fd in calloc () from /lib/tls/i686/cmov/libc.so.6 #2 0xb778008e in IA__g_malloc0 (n_bytes=8) at gmem.c:150 mem = (gpointer) 0x0 #3 0xb7bca130 in get_cached_icon (name=0x823f6a8 "gnome-mime-text", pixel_size=16) at gtkrecentmanager.c:1971 icon_theme = (GtkIconTheme *) 0x81614c8 cache = (GHashTable *) 0x82fc480 element = (IconCacheElement *) 0x0 #4 0xb7bcc475 in IA__gtk_recent_info_get_icon (info=0x8425370, size=16) at gtkrecentmanager.c:2012 retval = (GdkPixbuf *) 0x0 __PRETTY_FUNCTION__ = "IA__gtk_recent_info_get_icon" #5 0xb7bc57d7 in idle_populate_func (data=0x83553b0) at gtkrecentchoosermenu.c:955 name = (gchar *) 0x1 <Address 0x1 out of bounds> escaped = (gchar *) 0xb72e9f95 "\203<C4>\004[]<C3>\220\215t&" priv = <value optimized out> info = (GtkRecentInfo *) 0x8425370 retval = <value optimized out> item = (GtkWidget *) 0x83d85b8 #6 0xb7776ee1 in g_idle_dispatch (source=0x82fc1b8, callback=0x82fb9e8, user_data=0x83553b0) at gmain.c:3928 No locals. #7 0xb7778c42 in IA__g_main_context_dispatch (context=0x80f1b90) at gmain.c:2045 No locals. #8 0xb777bc1f in g_main_context_iterate (context=0x80f1b90, block=1, dispatch=1, self=0x80c3180) at gmain.c:2677 got_ownership = <value optimized out> max_priority = 130 timeout = 0 some_ready = 1 nfds = <value optimized out> allocated_nfds = <value optimized out> fds = (GPollFD *) 0x836c380 __PRETTY_FUNCTION__ = "g_main_context_iterate" #9 0xb777bfc9 in IA__g_main_loop_run (loop=0x82446a8) at gmain.c:2881 got_ownership = -1218292672 self = (GThread *) 0x80c3180 __PRETTY_FUNCTION__ = "IA__g_main_loop_run" #10 0xb7b72fa4 in IA__gtk_main () at gtkmain.c:1171 tmp_list = (GList *) 0x3 functions = (GList *) 0x0 init = (GtkInitFunction *) 0xbfe2a244 loop = (GMainLoop *) 0x82446a8 #11 0x0806399c in main () ** Changed in: gnome-panel (Ubuntu) Importance: Undecided => Medium Assignee: (unassigned) => Ubuntu Desktop Bugs Status: Unconfirmed => Needs Info -- [apport] gnome-panel crashed with SIGSEGV https://launchpad.net/bugs/90337 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs