Re: [patch 0/9] kdump: Patch series for s390 support

Vivek Goyal
2011-07-20T20:24:46Z

On Wed, Jul 20, 2011 at 11:28:35AM +0200, Michael Holzheu wrote:

[..]
> > > What you as kdump framework maintainer would have to accept with this
> > > solution is that it is allowed now to start kdump directly via purgatory
> > > without using code from the old kernel (e.g. crash_kexec). This has as
> > > implication that all things that the old kernel has to initialize for
> > > kdump has to be done before the system crashes. Currently this is only
> > > the initialization of vmcoreinfo.
> >
> > when would you save vmcoreinfo? I guess I shall have to look at the
> > patches.
>
> patch #4: We have to save vmcoreinfo at startup time of the production
> kernel.
>
> Perhaps it would be best to send you a new patch series with our latest
> proposal.

This patch 4 looks reasonable. So you will prepare notes after boot and
refresh it after adding CRASHTIME if crash_kexec() is executed.

Vivek