Comment 2 for bug 90727

Debug backtrace for the crash:

#0 0xb7f5c410 in __kernel_vsyscall ()
(gdb) bt
#0 0xb7f5c410 in __kernel_vsyscall ()
#1 0xb7d2adf0 in raise () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7e902c6 in nsProfileLock::FatalSignalHandler (signo=11) at nsProfileLock.cpp:206
#3 <signal handler called>
#4 dbus_connection_get_is_connected (connection=0x1d) at dbus-connection.c:2784
#5 0xb6cbb12d in avahi_client_is_connected () from /usr/lib/libavahi-client.so.3
#6 0xb6cbf9f6 in avahi_service_browser_free () from /usr/lib/libavahi-client.so.3
#7 0xb7a33725 in gnome_vfs_dns_sd_stop_browse (handle=0x91d0218) at gnome-vfs-dns-sd.c:1189
#8 0x080aefa5 in ephy_bookmarks_finalize (object=0x81d3818) at ephy-bookmarks.c:1028
#9 0xb6fc097c in IA__g_object_unref (_object=0x81d3818) at gobject.c:1788
#10 0x08080523 in ephy_shell_dispose (object=0x81c5000) at ephy-shell.c:360