On 25/11/15 17:12, Boris Ostrovsky wrote:
> 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)

I think I have found the problem. Can you verify the attached patch is
working?


Juergen