Re: 2.6.23-rc1: no setup signature found...

[H. Peter Anvin]

Borislav Petkov wrote:
> 
>> What distro/version of grub are you running?  
> Debian unstable
>> I'm wondering if there are
>> some old version of grub out there which did the "load four sectors"
>> way-anciently-obsolete crap; the other possibility that comes to mind is
>> setting up the stack in an invalid manner.
> grub version:
> 
> [boris@gollum:18:17:27:->  apt-cache show grub
> Package: grub
> Priority: optional
> Section: admin
> Installed-Size: 708
> Maintainer: Grub Maintainers <pkg-grub-devel@xxxxxxxxxxxxxxxxxxxxxxx>
> Architecture: i386
> Version: 0.97-29
> Depends: libc6 (>= 2.5-5), libncurses5 (>= 5.4-5)
> Suggests: grub-doc, mdadm
> Filename: pool/main/g/grub/grub_0.97-29_i386.deb
> Size: 366884
> MD5sum: 2da7a5942db06eaba046dff4615bcce9
> SHA1: 7f4da793da209d011ce94fceebaebe0e5f08790f
> SHA256: 2596782c08f1f7365e9935f687fef74c67d8702503188f22448db9f0ac98e18e
> Description: GRand Unified Bootloader
> ...

This concerns me deeply.  This is a current version of Grub which
shouldn't have any silly 8K limitations.  Yet it appears to have a
similar pathology over the ancient version Xudong just described.

The absolute best would be if we could replicate this in simulation
(Bochs or Qemu); this would make it very simple to debug.  Would you be
willing to try to do that?

	-hpa

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