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:

> 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?

Yes.

        Michael Young

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