RE: [Xen-users] Getting Windows 2003 to run in multiple cores ???

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

It's not a version of windows that doesn't allow SMP is it (I don't know
if one exists - I thought they all supported at least 2 CPU's with up to
4 cores each).

Are you running a diffent HAL?

James

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Madhu Venugopal (vmadhu)
> Sent: Tuesday, 4 August 2009 17:23
> To: James Harper; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Getting Windows 2003 to run in multiple cores
???
> 
> BTW, I noticed that when I use "xm new", the VCPUs are set as 4 as
> expected...
> 
> [root@localhost images]# xm new -f win1.cfg
> 
> [root@localhost images]# xm list
> Name                                        ID   Mem VCPUs      State
> Time(s)
> Domain-0                                     0  5503     1     r-----
> 4129.3
> win1                                            2048     4
> 0.0
> 
> But as soon as I "xm start win1", the VCPUs go back to 1.
> 
> [root@localhost images]# xm list
> Name                                        ID   Mem VCPUs      State
> Time(s)
> Domain-0                                     0  5503     1     r-----
> 4170.8
> win1                                        54  2048     1     r-----
> 4.5
> 
> Thanks,
> -Madhu
> 
> > -----Original Message-----
> > From: Madhu Venugopal (vmadhu)
> > Sent: Monday, August 03, 2009 11:45 PM
> > To: 'James Harper'; xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: RE: [Xen-users] Getting Windows 2003 to run in multiple
cores
> > ???
> >
> > Hi James,
> >
> > Thanks for the response.
> > Unfortunately, "xm start" is not helping me either.
> >
> > Should I reboot dom0 to get this working ?
> > I would like to keep it the last option to try as am facing
> > other issues immediately after the dom0 reboot.
> >
> > Any other tricks to get multi-core working with Windows ?
> >
> > BTW, I could not find "xe" command in my XEN installation.
> > Even after installing the "xe-cli" rpm file, it is failing
> > Consistently with the error message :
> >
> > "Error: Connection refused (calling connect )"
> >
> > Thanks,
> > -Madhu
> >
> > > -----Original Message-----
> > > From: James Harper [mailto:james.harper@xxxxxxxxxxxxxxxx]
> > > Sent: Monday, August 03, 2009 4:40 PM
> > > To: Madhu Venugopal (vmadhu); xen-users@xxxxxxxxxxxxxxxxxxx
> > > Subject: RE: [Xen-users] Getting Windows 2003 to run in multiple
> > cores
> > > ???
> > >
> > > > Hi,
> > > >
> > > > Installed Windows 2003 on XEN successfully (domain name : win1).
> > > > I could not get it running in multiple cores though (tried
> > vcpus=4).
> > > > Windows taskmanager shows only 1 CPU always :-(.
> > > >
> > >
> > > This may not be your problem, but one thing that caught me out
early
> > on
> > > is that if you make a change to the config file and then do a 'xm
> > > reboot' (or just do shutdown->restart in windows), the change
isn't
> > > picked up - it runs with the old config. You need to shut down the
> > DomU
> > > and then 'xm start' it.
> > >
> > > Another thing, on the first startup after changing from vcpus=1 to
> > > vcpus=2 (or more), Windows needs to install the SMP HAL so it will
> > say
> > > something like "your hardware has changed and you need to reboot
for
> > > the
> > > change to take effect".
> > >
> > > James
> 
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