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Re: [Xen-users] Why I can not boot xen without initrd? Please help.

  • To: "kanour-xen" <xen@xxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Nico Kadel-Garcia" <nkadel@xxxxxxxxx>
  • Date: Fri, 23 Feb 2007 00:23:01 -0000
  • Delivery-date: Thu, 22 Feb 2007 16:22:20 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

kanour-xen wrote:

I have SATA HDDs in software raid1 (mdadm). debian amd64
Why I cannot boot xen without initrd?
I get error:
VFS: Cannot open root device "md2" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on

Thank you for any help. I am getting crazy about this.

Well, let's see. Because the RAID, SATA, ext3, or other drivers were not hard-loaded into your kernel, but need to be present in an initrd to provide enough access to your file-system for you to boot?

The practice of preloading drivers versus module loading them, and usiing initrd to pre-loading modules, is an old well worth studying a bit about.

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