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From: Vadim Rozenfeld <vrozenfe@redhat.com>
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Date: Sun, 15 Jan 2012 13:41:38 +0200
Message-ID: <1326627698.2734.1.camel@vadimr.dell>
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Subject: Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on
	Qemu 0.15
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: spice-devel@lists.freedesktop.org, Alex =?UTF-8?Q?Huang-=E9=BB=83=E5=BF=85=E8=B3=A2-=E7=A0=94=E7=A9=B6=E7=99=BC?= =?UTF-8?Q?=E5=B1=95=E9=83=A8?= <alex.huang@cloudena.com>, Alon Levy <alevy@redhat.com>, qemu-devel <qemu-devel@nongnu.org>, =?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>

On Sun, 2012-01-15 at 11:27 +0000, Stefan Hajnoczi wrote:
> 2012/1/14 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 <charles.tsai@cloudena.com>:
> >        I tested Qemu 0.15 for Windows XP guest OS. But I found that t=
he Virtual Serial I/O driver failed in driver initialization.
> >        The root cause of this problem is because the hardware resourc=
es(I/O in this device) is not allocated to the virtual serial I/O.
> >        When I debugged on the vioserial driver, no hardware resource =
actually is allocated to this device.
> >        This bug seems to be in the area of Qemu. Do you know whom I c=
an consult to fix this problem? Please let me know if you know the group =
or the person.
>=20
> I have CCed Vadim (virtio Windows driver) and the QEMU mailing list.
>=20
> Please post your QEMU command-line so we can see how the guest is confi=
gured.
>=20
> You mentioned that you debugged the driver and hardware resources
> weren't allocated.  Do you have a virtio PCI device inside the guest
> for this virtio-serial device?  Were you able to tell which part of
> driver initialization failed (finding the PCI device, mapping its
> resources (BARs), etc)?
>=20
> Stefan

Could you post "pci info" output?

thanks,
Vadim.