On Sat, Jan 10, 2009 at 09:28:59PM +0100, Christophe Saout wrote:
> Hi Marc,
>
> > > I am very excited to see that dom0 pvops is finally coming close to
> > > working, so I wanted to give it a try.
> > >
> > > >From the description it was not clear to me which kernel to chose as
> > > base for the patches.hg, so I took the latest (that was ~ 2 weeks ago)
> > > kernel on git.kernel.org I could find (post-2.6.28 git tip at that
> > > point).
> > >
> > Just follow the instructions on this wiki page:
> >
> > http://wiki.xensource.com/xenwiki/XenParavirtOps
> >
> > You could also search the Archives of xen-devel beginning around
> > November 2008 for more
> > informations...
>
> Yes, I followed those instruction (or at least I believe I did). It is
> however not specific as to which kernel version from the "tip.git" to
> use as base for applying the patches. I mean, that is not really my
> problem, I got everything applied and have a compiling kernel. It just
> doesn't boot (or at least doesn't get as far as for instance Pasi and
> his experiments).
>
pv_ops dom0 patches are currently for 2.6.28-rc8.
I think and hope Jeremy will update them when he gets back from his vacation
next week.
> Actually, I am not really interested in getting a working kernel (I know
> that there are still some pieces missing), so this is purely academical
> and for testing. Since the patches are supposed to be merged soon (at
> least I got the impression that was the plan) I though I was going to
> join the testing effort. And at this point they are supposed to sort of
> work on any bleeding edge kernel, right? So I took one.
>
> I could have gone back in the history and take something around
> 2.6.28-rc8 (which seemed to have worked for others), but then they were
> using x86_32 and I am testing x86_64, if I see correctly. So my
> question was mostly if this had seen some testing at all, is supposed to
> work, and if it is, did I miss something. In any case, this is the
> result of my testing. :-)
>
I think some people have been trying x86-64 too, with similar results than
me and others on x86-32.
> I also forward-ported a few things to the latest version a few hours
> ago, including some changes in xen-iommu.c to follow the dma_ops merging
> thing in the tip head.
>
Nice.
I also just noticed there are some new patches in
http://xenbits.xen.org/paravirt_ops/patches.hg/
"Fixes for PAE swiotlb with Becky's patches."
Maybe I should try and see if those make any difference.
> I managed to get the native XEN port for 2.6.27 from the other hg
> booting on my notebook, I'll try to see if my pvops kernel works as
> DomU.
>
It should :)
-- Pasi
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