From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: Xen BUG at page_alloc.c:1738 (Xen 4.5)
Date: Fri, 29 May 2015 11:57:49 +0100
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To: M A Young <m.a.young@durham.ac.uk>
Cc: xen-devel@lists.xen.org, Jason Fritcher <jkf@wolfnet.org>
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On 29/05/15 11:50, M A Young wrote:
> On Fri, 29 May 2015, Andrew Cooper wrote:
>
>> Are you in a position to compile identical Xen 4.5 source with two different
>> versions of gcc?  (current staging-4.5 staging even has the gcc5 build fix
>> in)
>>
>> If it is a gcc compiler bug, we would expect the version compiled with gcc
>> 4.9 to work fine, but the one compiled with 5 to fail in the identified
>> manor.
> I did a bit of testing - xen-4.5.1-rc1 built on Fedora 22 (gcc5) doesn't 
> boot for me, but if I replace xen.gz with one from the same code built on 
> Fedora 21 (gcc4) then it does boot. There are rpms and build logs 
> available via 
> http://copr.fedoraproject.org/coprs/myoung/xentest/build/93366/
> if anyone else wants to do some testing.
>
> 	Michael Young

Do you have easy access to xen-syms from each build?

~Andrew