kexec on panic
ptesarik at suse.cz
Fri Feb 10 07:43:13 PST 2017
On Fri, 10 Feb 2017 10:14:02 +0200
Denys Fedoryshchenko <nuclearcat at nuclearcat.com> wrote:
> 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.
More information about the kexec