On Sat, 2011-03-19 at 18:53 +0200, cornel panceac wrote: > what debugging options are available when f15 no longer starts? Boot rescue mode and downgrade today's updates. I could not determine exactly which update caused the problem. I downgraded gcc, iproute, rsyslog, libX11 and their dependencies in order to get my system booting again. Regards, Jim H