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Re: [Xen-users] invalid kernel

  • To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Mehmet Can ÖNAL" <mconalxen@xxxxxxxxx>
  • Date: Wed, 7 May 2008 13:07:47 +0300
  • Delivery-date: Wed, 07 May 2008 03:08:20 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

cat /proc/cpuinfo | grep pae command comes with flag lines and with "pae" in it.

can i use my dom0 kernel with another initrd?

2008/5/7 Sadique Puthen <sputhenp@xxxxxxxxxx>:
Age_M wrote:
Hi Mehmet,

Mehmet Can ÖNAL wrote:
xm info | grep xen_caps command gives me an output

xen_caps                             : xen-3.0-x86_32 hvm-3.0-x86_32

did you get any further with your problem?
As Sadique allready mentioned, it could be, that I am interpreting things wrong.
I would say that your Xen is not capable of booting PAE kernels. So you need to either get a non-PAE kernel for domU, or get/built a different Xen with PAE support.

Does your cpu support pae? what is the output of "cat /proc/cpuinfo | grep pae"? If you don't have pae support for your cpu, you can't use any RHEL or Centos xen kernels that come with the distribution. All that you can do is compile the dom0 and domu kernels from upstream source after truning off pae support and try to use that.


Maybe you could try to boot the dom0 kernel in your domU, which worked ok here on gentoo-linux.
i have downloaded the kernel i tried to boot as domU from rhel site (rhn.redhat.com <http://rhn.redhat.com>) as kernel-xen-2xxxx that its description says that this kernel enables vm operations. does that mean it's dom0 kernel?
Uuhm, I don't know :-/ I never worked with RedHat products? Maybe you could search for a non-PAE kernel @redhat.com?

would you mind explaining your answer a bit more that i'm so new to these concept

What do you want to know? What should I explain more?

Greetz Age_M

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