[Fastboot] kexec - 2.6.14 - loads BIOS again

Eric W. Biederman ebiederm at xmission.com
Fri Sep 25 18:10:13 EDT 2009

"Prabhakar K." <krishkar99 at yahoo.com> writes:

> Hi - After my previous posting I was able to make some progress.
> When I do
> kexec -l vmlinux --append="init 1 root=/dev/hda2" --console-serial
> and 
> kexec -e,
> I get message:
> Starting new kernel
> I'm in purgatory
> And after that it still boots from BIOS (to the same first kernel).
> Whats the problem here?

I would recommend instrumenting up purgatory and then your target kernel.

It is quite possible the problem is in your backport.

> Also do I need kdump again in addition to the latest kexec tools?
> When I do:
> #chkconfig kdump on
> error reading information on service kdump
> #service kdump start
> Bad core dump start addres: start

The user space kdump stuff is just a user space wrapper, that creates
a useful initrd etc.

> What am I missing here?

The appropriate list.  Discussion of all things kexec has moved to the kexec
list at infradead which I have cc'd.


More information about the kexec mailing list