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Re: [Xen-users] xen + centos + areca raid issues

To: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Subject: Re: [Xen-users] xen + centos + areca raid issues
From: "Anand Gupta" <xen.mails@xxxxxxxxx>
Date: Thu, 18 Oct 2007 15:58:40 +0530
Cc: Mark Williamson <mark.williamson@xxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
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Thanks for the reply Daniel.

On 10/17/07, Daniel P. Berrange <berrange@xxxxxxxxxx> wrote:
> > Here is the error i get
> >
> > xm create aaa
> > Using config file "./aaa".
> > Error: (22, 'Invalid argument')
> Hmmm, not a very helpful error message!  The contents of /var/log/xen/xend.log
> may yield more helpful hints.

Yep, Xen 3.0.3 wasn't great at reporting errors. This one basically means
you used a bogus guest kernel - eg

  - A non-PAE 32-bit kernel
  - A bare metal kernel  in a paravirt config
  - Wrong architecture kernel  (eg 32 on 64, or 64 on 32)

This error was received under xen 3.1 and not under 3.0.3. The image i am trying to boot was created using virt-manager / rhel tools. The domain created was paravirtualized, and NOT fully virtualized. However later the error was resolved, as pointed by Mark, it was caused by having both xen 3.0.3 and xen 3.1 installed. Once old xen rpm was removed, the error went off, however now when trying to boot the old image with the old xen config file, results in screen hangup just after the pygrub kernel choice screen.

The server is basically a Quad Core Xeon 1.86Ghz with 4GB Ram, Areca Raid Card with Raid 1 on 160 X 2 Drives.

Any ideas on how this problem can be resolved ?



Anand Gupta
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