On 09/01/2010 01:35 PM, JB wrote: > - due to kernel update (this is almost done with e.g. kexec in Linux) That's just a faster way of rebooting (bypasses the platform firmware initialisation). Are you confusing kexec and ksplice? http://en.wikipedia.org/wiki/Kexec http://en.wikipedia.org/wiki/Ksplice Regards, Bryn.