Michal Szymanski wrote: > Suspecting it may be the SATA driver problem I mounted /tmp as "tmpfs" > and repeated the tests entirely in /tmp (with plenty of RAM this means > doing I/O in memory). No success. Won't help. Once the driver is in memory, even if it's not being used, then it can destabilise the kernel. Try booting from a LiveCD (Ubuntu or Knoppix, for example) and running from that. Good luck! James. -- E-mail address: james | "Land Rover say it is permanent, I say I have a @westexe.demon.co.uk | large selection of spanners and a big hammer..." | -- Derry Hamilton