On 11/29/13 at 05:47pm, Borislav Petkov wrote: > On Fri, Nov 29, 2013 at 04:50:50PM +0800, Dave Young wrote: > > It's for debugging purpose, I think it's helpful. > > Why? The first kernel did dump it already. As for the efi printk though 1st kernel already printed them out, but kexec kernel context is diffrent from 1st kernel, it's a fresh reboot we do need reprint them. I think kexec reboot is just like a normal reboot from user's point of view. Thanks Dave