From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v5 6/9] libxc: create unmapped initrd in
 domain builder if supported
Date: Wed, 25 Nov 2015 11:12:12 -0500
Message-ID: <5655DDDC.5000005@oracle.com>
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To: Juergen Gross <jgross@suse.com>, xen-devel@lists.xen.org, Ian.Campbell@citrix.com, ian.jackson@eu.citrix.com, stefano.stabellini@eu.citrix.com, wei.liu2@citrix.com, roger.pau@citrix.com
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On 11/12/2015 08:43 AM, Juergen Gross wrote:
> In case the kernel of a new pv-domU indicates it is supporting an
> unmapped initrd, don't waste precious virtual space for the initrd,
> but allocate only guest physical memory for it.

This patch breaks 32-bit pygrub.

I am not 100% sure yet but it may be that only 64-bit guests are affected.

With RHEL5 I get
     initrd extends beyond end of memory (0x780080eda000 > 0x40000000)


-boris