Re: [Xen-users] VM won't boot depending on processor

[Robert Bays <robert@xxxxxxxxxx>]

On 5/15/09 6:33 PM, Fajar A. Nugraha wrote:
> On Sat, May 16, 2009 at 7:53 AM, Robert Bays<robert@xxxxxxxxxx>  wrote:
> > domU: linux-2.6.29 with pv_ops enabled, compiled from kernel source
> >
> > This setup works great on a number of different systems, but on one system
> > in particular the domU fails to boot.
> > This issue seems to have started somewhere with the linux 2.6.28-29 kernel.
> >   Everything works fine if the domU kernel is 2.6.27.
> Is the 2.6.27 -xen kernel or pv_ops kernel? I had problems starting
> pv_ops kernel on some dom0s, and it turned out that particular server
> has NX disabled by default on BIOS. Once enabled it worked correctly.
The 2.6.27 kernel was a pv_ops as well.  I just checked the system and 
there isn't an option in the BIOS to enable/disable no execute. 
/proc/cpuinfo on the dom0 shows that it's supported a supported feature 
of the CPU so I am assuming it's on by default in the BIOS.  I should 
have mentioned that dom0 is 64bit and that I have tried both a 32bit and 
64bit domU, neither of which work.
Thanks for the suggestion.

Cheers,
Robert.

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