On 2007-0609 13:42:06, Mario Frasca wrote: > in the meanwhile I am running kernel 2.6.8 and during the last 3,5 hours > there was no jump in time. > > I will leave it running like this just to exclude a hardware problem, > then we see. it run 6 hours without jumps, I am now running 2.6.21 maxcpus=1 and it's behaving all right for the time being (50 minutes). if this is the solution, how do I specify the option in yaboot.conf? thanks, Mario