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SubjectRe: Determine version of kernel that produced vmcore
On Tue, Jul 10, 2007 at 01:17:40PM -0400, Neil Horman wrote:
> On Tue, Jul 10, 2007 at 08:30:37PM +0530, Vivek Goyal wrote:
> > I am still thinking that why can't we change initrd building process
> > (Be it mkinitrd or mkdumprd depending on distriution). Whole idea is
> > that while building an initrd/initramfs for the first kernel, one will
> > ask user for kdump kernel (if user wishes to load kdump kenrel through
> > initrd) and then it will generate kdump kenrel's initrd and pack into
> > first kernel's initrd.
> >
> > So steps would look something like this.
> >
> > - mkinitrd takes second kernel's vmlinux as argument
> > - mkinitrd runs "makedumpfile -g" on debug version of first kernel's vmlinux.
> > - mkinitrd generates the initramfs for kdump kernel and packs output
> > of "makedumpfile -g" into that.
> > - mkinitrd packs statically linked kexec, kdump kernel vmlinux/bzImage,
> > and kdump kernel initramfs into first kernel's initramfs.
> >
> Agreed, this is exactly what happens right now.

Isn't there some sort of a circular dependency going on here? As I
understand it the vmlinux binary already contains the initramfs as
built-in data (at least that's what I use here for initramfs). It
makes more sense if you guys are creating an _initrd_ image (that's
what mkinitrd originally did AFAIK) and supply it to the boot-loader.

Dan Aloni
da-x (at), dan (at)
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