On Mon, 1 Jun 2015, M A Young wrote:
> On Mon, 1 Jun 2015, Jan Beulich wrote:
>
> > >>> On 31.05.15 at 00:43, wrote:
> > > On 30/05/2015 23:07, M A Young wrote:
> > >> On Fri, 29 May 2015, Andrew Cooper wrote:
> > >>> FC22 is miscompiling the C to:
> > >>>
> > >>> struct page_info *page = mfn_to
On Mon, 1 Jun 2015, Jan Beulich wrote:
> >>> On 31.05.15 at 00:43, wrote:
> > On 30/05/2015 23:07, M A Young wrote:
> >> On Fri, 29 May 2015, Andrew Cooper wrote:
> >>> FC22 is miscompiling the C to:
> >>>
> >>> struct page_info *page = mfn_to_page(mfn);
> >>> struct domain *owner = page_get_owne
>>> On 31.05.15 at 00:43, wrote:
> On 30/05/2015 23:07, M A Young wrote:
>> On Fri, 29 May 2015, Andrew Cooper wrote:
>>> FC22 is miscompiling the C to:
>>>
>>> struct page_info *page = mfn_to_page(mfn);
>>> struct domain *owner = page_get_owner_and_reference(page);
>>> if ( owner )
>>> put_pa
On 30/05/2015 23:07, M A Young wrote:
> On Fri, 29 May 2015, Andrew Cooper wrote:
>
>> On 29/05/15 12:17, M A Young wrote:
> 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
On Fri, 29 May 2015, Andrew Cooper wrote:
> On 29/05/15 12:17, M A Young wrote:
> >
> >>> 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 r
On 29/05/15 12:17, M A Young wrote:
>
>>> 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://cop
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
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 t
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
On 29/05/15 07:24, Jason Fritcher wrote:
> On Wed, 20 May 2015, Major Hayden wrote:
>
> >/ On 05/20/2015 05:41 AM, Jan Beulich wrote:/
> >/ > Considering that no-one else is seeing this - is this perhaps connected/
> >/ > to you building Xen with pre-release gcc 5.0.1? This is also because in/
> >/
On Wed, 20 May 2015, Major Hayden wrote:
> On 05/20/2015 05:41 AM, Jan Beulich wrote:
> > Considering that no-one else is seeing this - is this perhaps connected
> > to you building Xen with pre-release gcc 5.0.1? This is also because in
> > order for the above to indeed occur, mmio_ro_do_page_fau
On Wed, 20 May 2015, Major Hayden wrote:
> On 05/20/2015 05:41 AM, Jan Beulich wrote:
> > Considering that no-one else is seeing this - is this perhaps connected
> > to you building Xen with pre-release gcc 5.0.1? This is also because in
> > order for the above to indeed occur, mmio_ro_do_page_fau
On 05/20/2015 05:41 AM, Jan Beulich wrote:
> Considering that no-one else is seeing this - is this perhaps connected
> to you building Xen with pre-release gcc 5.0.1? This is also because in
> order for the above to indeed occur, mmio_ro_do_page_fault()'s
> put_page() would need to drop the last re
>>> On 19.05.15 at 20:06, wrote:
> I've been doing some testing of Xen 4.5 on Fedora 22 (due out within a week)
> and I have an error that prevents the server from booting in the very early
> boot process:
>
>> (XEN) Xen call trace:
>> (XEN)[] free_domheap_pages+0x240/0x430
>> (XEN)[] m
I compiled Xen with debugging enabled and it appears to pass the
initial boot but then fails later in the boot process. I'm working
through that now. Here's what my source of page_alloc.c looks like
around line 1738:
1731 if ( likely(d) && likely(d != dom_cow) )
1732 {
1733
On 19/05/15 19:06, Major Hayden wrote:
> Hello there,
>
> I've been doing some testing of Xen 4.5 on Fedora 22 (due out within a week)
> and I have an error that prevents the server from booting in the very early
> boot process:
>
>> (XEN) Xen call trace:
>> (XEN)[] free_domheap_pages+0x240/0
Hello there,
I've been doing some testing of Xen 4.5 on Fedora 22 (due out within a week)
and I have an error that prevents the server from booting in the very early
boot process:
> (XEN) Xen call trace:
> (XEN)[] free_domheap_pages+0x240/0x430
> (XEN)[] mmio_ro_do_page_fault+0x114/0x16
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