Re: [Xen-devel] Help booting Xen under RHEL6 beta2

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

>       
> > 3) Should I be using a different/newer pvops kernel?
> >    IIRC, there is an issue with booting >=2.6.32
> >    pvops dom0 with pre-xen-unstable hypervisors? Or
> Not necessarily.  Do this all the time: RHEL6-domU on RHEL5-dom0.
>        ... maybe some intermediate versions of xen dont work w/pv-ops kernel,
>        but it does with rhel5-dom0/xen.
> 
> >    is that fixed in latest xen-4.0-testing?
> good question!  curious minds want to know....

Yes. The xen/evtchn and xen/gntdev are differently created on 2.6.32
and xen-4.0-testing.

For details:
http://lists.xensource.com/archives/html/xen-devel/2010-06/msg01129.html

You can "fix" this by doing:

git revert 376d908f52427591cef4acd172db9c3ef28676ec
and 
git revert 9d85e25edbcb8a684db8470119077475ac4d90b5

That will make it possible for you to use the 2.6.32 with Xen 4.0 (and
earlier versions).

> 
> > 4) Anything else I should watch out for?  E.g. recent
> >    tool changes due to udev or xencommon or ???

There is a bug 1612 for udev. But that is not hit by Fedora 13, but
rather other distros. There is a patch that fixes some of the udev
versions, but not all.


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