Kde session hangs but gnome is ok. I noticed this in /var/log/messages kernel: [17854.427323] nautilus[4485]: segfault at 8 ip 7f8e7c8acc6d sp 7fff889fe7d0 error 4 in libglib-2.0.so.0.1600.6[7f8e7c857000+c1000]