Hello,
Ok, clear. Thank You for Your work and for Your engagement how You
help us using xen :-)
Sincerelly, Archie
-----Original Message-----
From: Petersson, Mats [mailto:Mats.Petersson@xxxxxxx]
Sent: Thursday, March 08, 2007 10:41 AM
To: Artur Linhart - Linux communication; xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Problems saving domain
> -----Original Message-----
> From: Artur Linhart - Linux communication
> [mailto:AL.LINUX@xxxxxxxxxxx]
> Sent: 08 March 2007 07:44
> To: Petersson, Mats; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Problems saving domain
>
>
> Hi Mats,
>
> Thank You for the answer. Yes, it is Windows on HVM. With
> linux as domU it
> works OK. So it is clear.
> I have also the problem with the shutdown of such windows
> domain - the VM is
> always "turned off", so Windows are not shut down correctly
> (again, with
> Linux as domU it is no problem).
>
> What would You recommend, is there any possibility to get this both
> functionalities working for windows (also not with HVM),
> could You point me
> to some description how to configure it to get it working? Or
> is the only
> chance to wait for xen 3.0.5 or maybe later?
Since Windows only works in HVM mode, it's not possible to get this
working "by configuration". The code needed to save/restore HVM domains
isn't there in 3.0.4, it's only present in the "unstable" version of
Xen. This version will become 3.0.5 in the next few weeks or so. I was
the one who wrote the code to save the AMD CPU context, so I should know
;-)
As to power-off in Windows, I thought that worked, but maybe there are
different variants of how this works, which work differently - or maybe
because I've been running unstable for several months, and it certainly
works in unstable (well, I've never really done anything other than
unstable, as I'm a Xen kernel developer when I'm not responding to posts
here - there's rarely much point in running the "released" version when
you want to add new code to Xen)
--
Mats
>
> Thank You very much for response,
>
> Archie.
>
> -----Original Message-----
> From: Petersson, Mats [mailto:Mats.Petersson@xxxxxxx]
> Sent: Wednesday, March 07, 2007 12:11 PM
> To: Artur Linhart - Linux communication; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Problems saving domain
>
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> > Artur Linhart - Linux communication
> > Sent: 07 March 2007 10:55
> > To: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-users] Problems saving domain
> >
> > Hello,
> >
> >
> >
> > I have the problems if I want to save the running
> > domU on Xen 3.0.4.1 - the save always fails. In the xen log
> > there i found following debug info:
> >
> >
> >
> > [2007-03-07 11:19:10 xend 3396] DEBUG (XendCheckpoint:80)
> > [xc_save]: /usr/lib64/xen/bin/xc_save 18 5 0 0 0
> >
> > [2007-03-07 11:19:10 xend.XendDomainInfo 3396] DEBUG
> > (XendDomainInfo:731) Storing domain details:
> > {\047console/port\047: \0473\047, \047name\047:
> > \047migrating-vm_w2ksrv_01\047, \047console/limit\047:
> > \0471048576\047, \047vm\047:
> > \047/vm/8645c693-e2c4-0d28-c0dc-2a2ae3781546\047,
> > \047domid\047: \0475\047, \047cpu/0/availability\047:
> > \047online\047, \047memory/target\047: \047200704\047,
> > \047store/ring-ref\047: \04750174\047, \047store/port\047:
> \0472\047}
>
> Does vm_w2ksrv_01 mean that this is a Windows guest -> a HVM guest? In
> that case it's not "supposed to work". The code to implement HVM
> save/restore was introduced into unstable a few weeks back. It works
> most of the time at present, but there are a few bugs to fix
> still - in
> particular, fixing that a domain may be in the middle of a IO
> transaction when it gets stopped - the current code in xen-unstable
> isn't coping with this very well... There is work in progress to fix
> this... I think this is a "required" feature for 3.0.5, so
> 3.0.5 should
> have working save/restore - Live migration may or may not be
> included in
> that.
>
> --
> Mats
>
> --
> Mats
>
>
>
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>
>
>
>
>
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