On Thu, 2009-03-12 at 17:03 +0000, Tom Brown wrote: (And on-list again, please use the list for issues like this, others can learn from it, or help) Hmm. No, I'll run a few tests of my own sometime next week. Unfortunately, debugging %pre is a pain. You actually can't, in text-only mode, as you can't swap out to the console / logs using ALT +f2 / ALT+f3. You'll have to use virt-manager to get to those screens, I guess. Maybe someone has a better idea. If you add that log_ks_pre snippet I just posted to the top of the %pre section, you might have some useful information during that stage under /tmp. Did this happen for you using the old one as well? (I'd guess so, as the error doesn't indicate LVM). -Jasper