Harald Grossauer wrote:
isolcpus=1
But it seems there is a deeper problem somewhere that it locks up at all.
-Andy
Thanks for the advice, did not change anything though :-( So the problem seems to be somewhere else.
Try to stop cpuspeed or better disable it
chkconfig cpuspeed off service cpuspeed stop
this has a chequered history with causing trouble with AMD CPUs (I guess that is your situation)
-Andy