Re: [Xen-devel] Xen BUG at page_alloc.c:1738 (Xen 4.5)

[M A Young <m.a.young@xxxxxxxxxxxx>]

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

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