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Re: [Xen-users] 9650SE / 3w-9xxx problem, Xen 3.1.0

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] 9650SE / 3w-9xxx problem, Xen 3.1.0
From: Kevin DeGraaf <kevin@xxxxxxxxxxxx>
Date: Tue, 12 Jun 2007 18:11:00 -0400
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> apt-get install linux-image-2.6.18-4-xen. This kernel should be 
> compatible with xen 3.1.0

> Don't force anything! First install the kernel, then reboot with the
> new kernel. Then install the headers and follow my old email.

I performed a fresh installation of Debian etch (using the 3ware CD) and
then "apt-get install"-ed these:

  linux-image-2.6.18-4-xen-amd64
  linux-modules-2.6.18-4-xen-amd64

I added the following GRUB stanza:

  title Kernel vmlinuz-2.6.18-4-xen-amd64
  root (hd0,0)
  kernel /boot/vmlinuz-2.6.18-4-xen-amd64 root=/dev/sda1 ro
  initrd initrd.img-2.6.18-4-xen-amd64
  savedefault

I attempted to boot into it:

  root  (hd0,0)
   Filesystem type is ext2fs, partition type 0x83
  kernel  /boot/vmlinuz-2.6.18-4-xen-amd64 root=/dev/sda1 ro
  Error 13: Invalid or unsupported executable format

I booted up with the stock kernel and observed the following using the
"file" utility:

/boot/vmlinuz-2.6.18-4-amd64: Linux kernel x86 boot executable
RO-rootFS, root_dev 0x802, swap_dev 0x1, Normal VGA

/boot/vmlinuz-2.6.18-4-xen-amd64: gzip compressed data, from Unix, last
modified: Thu May  3 22:40:57 2007, max compression

I know that the vmlinuz files are supposed to be gzip-compressed
kernels, but I find it strange that (1) GRUB is complaining about the
format, and (2) the "file" utility doesn't recognize the Xen kernel
image as an actual Linux kernel.

Googling the GRUB error message didn't help.  It's a pretty
straightforward error message -- the file in question doesn't seem to be
a Linux kernel.

Do you have any further advice?  Thank you.

-- 
Kevin DeGraaf

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