Re: [Xen-users] fc4 domU on rhel5 dom

[Budiono <oensatu@xxxxxxxxx>]

How to check if my system PAE enable? If so how to disable PAE in kernel configuration, I search to google about disable PAE, somebody said by disable high-memory support in kernel configuration, but I didn't found it.

My current system is RHEL 5
kernel-2.6.18-8el5.xen

And this an error  message in /var/log/xen/xend-debug.log when running "xm create -c fc4guest"

ERROR: Kernel not a Xen-compatible Elf image.
ERROR: Error constructing guest OS

TIA,
Budiono


Mark Williamson wrote:

   
This does indeed sound like a PAE / non-PAE mismatch.  Any clues in 
the /var/log/xen/xend.log file?

RHEL5 and recent Fedora versions support only PAE.  PAE may not have been 
supported at the time of FC4's release.  You could check if there's a 
PAE-enabled Xen kernel for FC4 by doing a yum search, but I wouldn't hold my 
breath.

In this case, the most straightforward way to run FC4 would probably be to use 
HVM.  You could still probably install paravirt drivers in order to improve 
performance.

Personally, I wish there was a RedHat non-PAE Xen available; as it is I have 
to build my own for compatibility with existing guests (and in the case of my 
laptop, I have to build non-PAE Xen in order to run at all!).

Hope that helps you somewhat.

Cheers,
Mark

On Thursday 30 August 2007, Budiono wrote:
  

Hi all,
have anyone get success running domU fc4 guest on rhel5 xen domO ?

I always get this error

[root@mis-s155 xen]# xm create -c fc4guest
Using config file "./fc4guest".
Error: (22, 'Invalid argument')
[root@mis-s155 xen]#


config.
kernel = "/boot/vmlinuz-2.6.13-1.1532_FC4xenU"
memory = 512
name = "fc4guest"
disk = [ 'tap:aio:/xenvm/fc4xen.img,sda,w' ]
root = "/dev/sda1 ro"

Thank's
Budiono


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