>> From this, is there a way to determine the cause ? kdump is not >> confirgured nor used, since the fencing of the node renders kdump >> useless. >> >> This is the second time in a few weeks it happens. > > /var/log/messages should have more information; could you include it? No, unfortunently, the last message in the log is a normal one, an after that it's the boot process. I will look at netconsole as Ross suggested. Regards,