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xen-users
Re: [Xen-users] xen 2.0.7 on VIA C3 (EPIA)
Yeah I could not agree with you more. With power consumption becoming
more of a hot topic I believe that processor such as the C3 will become
even more relevant... even for production environments.
- raf
On Mon, 2005-10-03 at 15:02 +0200, Harald Brass wrote:
> I'm with you as well. Tried desperately to transfer Adam's patch to xen
> 2.0.6 and got the exact same "unknown interrupt" error.
>
> Xen memory management has been completely rewritten since xen 2.0.1. It
> seems that we definitely need some developer with asm skills and deep
> insight into xen's architecture (both of which I do not have) to enable
> 4kb pages support for xen 2.0.6 onwards.
>
> It should be worth it, since it could open Xen to a wider usage besides
> the high end server field. VIA Samuel C3 allows reliable low-energy,
> fanless operation. With xen and such a mainboard, you can host
> groupware, proxy and firewall services on one single fanless computer,
> each of these services running completely separated in three xen
> domains. This is an ideal solution for small workgroups or family
> offices. We use xen 2.0.1 with Adam's patch for that purpose.
>
> regards
>
> > I'm on the same boat with a VIA Samuel C3. I can't get 2x patched and
> > the 3.0 series won't boot.
> >
> > I don't think the C3's are high in the priority list but It would be
> > awesome if one of the developers gave them some love one of these days.
> >
> > - raf
> >
> > On Sun, 2005-10-02 at 14:58 -0700, glen martin wrote:
> >
> >> On Sept 3 13:05:37, Chris Brookes <cbrookes@xxxxxxxxx
> >> <mailto:cbrookes%40gmail.com>> wrote:
> >>
> >>
> >>> Has anyone tried to get Xen 2.0.7 booting on a VIA EPIA board with a
> >>> VIA C3 CPU?
> >>>
> >> yes, but not successfully. :)
> >>
> >>
> >>> I know some of the EPIA mainboards have a CPU with
> >>> "features" (4kb pages and no cmov instruction) that require the patch
> >>> Adam Sulmicki put together for 2.0.0 and 2.0.1
> >>> (http://lists.xensource.com/archives/html/xen-devel/2004-12/txt8D0L7RWimG.txt),
> >>>
> >> Mine is a VIA EPIA PD6000, regarding which /proc/cpuinfo says:
> >> machine:/proc# more /proc/cpuinfo
> >> processor : 0
> >> vendor_id : CentaurHauls
> >> cpu family : 6
> >> model : 7
> >> model name : VIA Samuel 2
> >> stepping : 3
> >> cpu MHz : 601.505
> >> cache size : 64 KB
> >> fdiv_bug : no
> >> hlt_bug : no
> >> f00f_bug : no
> >> coma_bug : no
> >> fpu : yes
> >> fpu_exception : yes
> >> cpuid level : 1
> >> wp : yes
> >> flags : fpu de tsc msr cx8 mtrr pge mmx 3dnow
> >> bogomips : 1187.84
> >>
> >>
> >>> and I have managed to patch, compile and boot a NetBSD dom0
> >>> sucessfully with this version.
> >>>
> >> I found this patch didn't go in cleanly (any more?) into testing (there
> >> were a
> >> couple of changes to semi-magic constants in the codebase), and so I had
> >> to
> >> hand-insert a couple of chunks ... I won't post patches just yet in case
> >> my
> >> asm skills are as rusty as others' in the thread purport to be. :)
> >>
> >> ...
> >>
> >>> (which is a great step forward from the immediate reboot
> >>> without it),
> >>>
> >> quite :)
> >>
> >>
> >>> however the whole thing halts with "(XEN) Unknown
> >>> interrupt" just after "XEN) System RAM: 509MB (521852kB)".
> >>>
> >> I've gotten to this failure now (well, I have less RAM).
> >>
> >> So it's been a month since Chris posted orginally ... has anyone
> >> made any progress beyond this point, or is this breaking new ground?
> >>
> >> Cheers,
> >>
> >>
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
> >
> >
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
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