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From: Vadim Rozenfeld <vrozenfe@redhat.com>
Date: Mon, 19 Mar 2012 13:42:21 +0200
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Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on
	Qemu 0.15
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To: Christophe Fergeau <cfergeau@redhat.com>
Cc: Paul =?utf-8?q?Lu-=E7=9B=A7=E5=81=89=E6=99=BA-=E7=A0=94=E7=A9=B6=E7=99=BC?= =?utf-8?q?=E5=B1=95=E9=83=A8?= <paul.lu@cloudena.com>, qemu-devel <qemu-devel@nongnu.org>, Michael Roth <mdroth@linux.vnet.ibm.com>, =?utf-8?q?Charles=2ETsai-=E8=94=A1=E6=B8=85=E6=B5=B7-=E7=A0=94=E7=A9=B6?= =?utf-8?q?=E7=99=BC=E5=B1=95=E9=83=A8?= <charles.tsai@cloudena.com>, spice-devel@lists.freedesktop.org, Alex =?utf-8?q?Huang-=E9=BB=83=E5=BF=85=E8=B3=A2-=E7=A0=94?= =?utf-8?q?=E7=A9=B6=E7=99=BC=E5=B1=95=E9=83=A8?= <alex.huang@cloudena.com>

On Monday, March 19, 2012 12:12:59 PM Christophe Fergeau wrote:
> Hey,
>=20
> On Mon, Mar 19, 2012 at 02:29:41PM +0800, Charles.Tsai-=E8=94=A1=E6=B8=85=
=E6=B5=B7-=E7=A0=94=E7=A9=B6=E7=99=BC=E5=B1=95=E9=83=A8 wrote:
> > 	3. When we disable and enable the new VirtIO driver several times
> > 	on either Qemu 1.0 or Qemu 1.0.50, VirtIo driver failed to work
> > 	after enabling the new VirtIO driver.
>=20
> For what it's worth, Alon Levy also hit this particular bug a few months
> ago, and I successfully reproduced at that time. I think I reported it to
> Vadim back in the days, but I'm not 100% sure :)
>=20
> Christophe
Thanks Christophe.
In your case (https://bugzilla.redhat.com/show_bug.cgi?id=3D750773)
an UP system hangs on shutdown.=20
I'm not sure whether Charles is hitting the same problem.

Best,
Vadim.