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Re: [Xen-devel] HVM guest question (was Re: [PATCH] ioemu: Cleanup the code of PCI passthrough.)


  • To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
  • From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
  • Date: Mon, 23 Feb 2009 07:36:44 -0800 (PST)
  • Cc: Yuji Shimada <shimada-yxb@xxxxxxxxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Mon, 23 Feb 2009 07:37:10 -0800
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

>In this case, just now.  All changes that we make to xen-unstable,
>including the qemu-xen-unstable subsidiary tree, go through an
>automated build-and-test.

I've cloned xen-unstable about 1.5 hr ago , by some reasons changes
had not been applied to  /usr/src/xen-unstable.hg/tools/ioemu-remote/hw/pass-through.c .

> Is it working ?

PV DomUs for F10,SNV_106,Interpid Server (via debootstrap),
OpenSuse 11.1 may be installed ( via remote VNC connection, even
utilizing vfb ) and work pretty stable at Xen Unstable Dom0 ( kernel 2.6.29-rc5  ).

HVM DomUs failed at startup . Nothing listen at localhost:5900.

--- On Mon, 2/23/09, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> wrote:
From: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] HVM guest question (was Re: [PATCH] ioemu: Cleanup the code of PCI passthrough.)
To: "bderzhavets@xxxxxxxxx" <bderzhavets@xxxxxxxxx>
Cc: "Simon Horman" <horms@xxxxxxxxxxxx>, "Yuji Shimada" <shimada-yxb@xxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Monday, February 23, 2009, 9:53 AM

Boris Derzhavets writes ("Re: [Xen-devel] Re: [PATCH] ioemu: Cleanup the
code of PCI passthrough."):
> I was under impression, that mentioned patch is supposed to support
> loading HVM DomU (?).

No, it's just code cleanup for PCI passthrough, which is for passing
PCI devices through to guests. If you are not doing PCI passthrough -
ie, most ordinary HVM guests - then these changes will not affect you.

> If answer is "yes" , then my question:-
> When http://xenbits.xensource.com/xen-unstable.hg will get this update?

In this case, just now. All changes that we make to xen-unstable,
including the qemu-xen-unstable subsidiary tree, go through an
automated build-and-test. Only versions which pass the (fairly
rudimentary) tests make it through to the main trees.

The pre-testing trees (called `staging') are also available and
published but not the `usual' case.

> Looks like "make tools" is using
> http://xenbits.xensource.com/git-http/qemu-xen-unstable.git when
> building xen-unstable.hg/tools/ioemu-remote.

Yes. You can change this by setting the CONFIG_QEMU make variable, eg
in a file `.config' in the xen-unstable.hg top level.

> If answer is "no", i am sorry for misunderstanding.
>
> Fresh Xen-Unstable Dom0 install (along with the most recent build
> 2.6.29-rc5) still shows during attempt to start HVM DomU:-

These messages are not very surprising. Is it working ?

Ian.

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