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xen-users
RE: [Xen-users] DELL PowerEdge 2850 - no CPU vme support
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Martin Polehla
> Sent: 14 September 2006 12:00
> To: Xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] DELL PowerEdge 2850 - no CPU vme support
>
> Hello,
> I were looking for some informations about XEN on dell site,
> but I didn't found anythink usefull.
>
> But on:
> http://www.xensource.com/community/xen30testing/summary.php
> I found that dell poweredge 2850 passed tests, and also ouput
> from xen test cd looks good (all tests OK, kernel on xen test
> CD says vme support (/proc/cpuinfo) etc.
You're looking for the wrong CPU feature bit. The cpu-feature "VME" is
"Virtual Mode Extension", which is nothing to do with the virtualization
features recently added to Intel and AMD processors. [For those
interested: It's an extension to the VM86 mode of the processor, which
is generally used for running "DOS-box" applications in Windows [and
similar features in other OS's]. The VME extensions allows "Virtual
Interrupts" if enabled in CR4].
"VMX" is what you need to look for, and if you don't have that, you'll
need to either enable it in the BIOS (assuming the BIOS does have a way
to enable it) or replace enough hardware to be able to get it working -
I'm no expert at DELL boxes, so I can't really speak for exactly what
you need to do, but if you want to run Windows as a virtual machine, you
need to get a VMX feature bit in /proc/cpuinfo
--
Mats
>
> I was progessing as dell howto saying, but no succes :-(
>
> Have anyone xen with virtual windowsXP guest under linux xine
> host running ?
>
> any suggesntions ?
>
> thanks
> p0l0us
>
> On Mon, 28 Aug 2006 10:13:39 +0200
> Ivan Porro <pivan@xxxxxxxxxxxxx> wrote:
>
> >
> > Have a look to this article I've spotted time ago.. maybe
> you can go
> > back to people who
> > wrote the article (ok, I know they used RedHat, but...)
> > Hope this help
> >
> > ivan
> >
> >
> http://www.dell.com/downloads/global/power/ps2q06-20050322-Sch
> midt-OE.pdf
> >
> >
> > Martin Polehla wrote:
> > > Hello,
> > > I'm trying to get working xen on dell poweredge 2850 with
> two Intel(R)
> > > Xeon(TM) CPU 2.80GHz using gentoo amd64 distribution settings.
> > >
> > > When boot with gentoo sources 2.6.16-genoo-r13 or gentoo
> kernel sources
> > > 2.6.17, cat /proc/cpuinfo show me:
> > >
> > > flags : fpu vme de pse tsc msr pae mce cx8 apic
> sep mtrr pge
> > > mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss
> ht tm syscall
> > > nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
> > >
> > > But with xen kernel (I've tried install xen according to
> > > http://gentoo-wiki.com/HOWTO_Xen_and_Gentoo) it didn't
> show vme support.
> > > I copied .config from my gentoo sources (where vme works)
> to xen sources
> > > and configure xen support in kernel. But it did't help. I
> cannot see any
> > > VM messages in xm dmesg and so.
> > >
> > > After it I read instructions on xen web site and I used
> xen tgz file
> > > from official download, but with same result.
> > >
> > > Always when I tried create WinXP host it return an error.
> I found on
> > > this list that error means vme is not supported by cpu.
> :-( But I cannot
> > > get vme working with xen kernels.
> > >
> > > Please, can anyone help me make it working properly ?
> > >
> > > Thanks a lot for support
> > > Martin Polehla
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> > >
> > >
> >
> >
> > --
> > www.bio.dist.unige.it
> > phone: +39 10 353.2789
> > fax: +39 10 353.2948
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
>
>
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