On Fri, 10 Feb 2017 10:14:02 +0200 Denys Fedoryshchenko <nuclearcat at nuclearcat.com> wrote: > Hello, > > After years of using kexec and recent unpleasant experience with modern > (supposed to be blazing fast to boot) hardware that need 5-10 minutes > just to pass POST tests, > one question came up to me: > Is it possible anyhow to execute regular (not special "panic" one to > capture crash data) kexec on panic to reduce reboot time? No. But you can load a specially crafted panic initrd which kexec's back to the production kernel. HTH, Petr T