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Date: Mon, 21 Nov 2011 12:33:38 +0200
From: Arkady Frenkel <afrenkel@redhat.com>
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Subject: Re: [Qemu-devel] windows guest virtio serial and balloon driver
	test issues
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To: "Cao,Bing Bu" <mars@linux.vnet.ibm.com>
Cc: Yan Vugenfirer <yvugenfi@redhat.com>, 'Dor Laor' <dlaor@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>, 'Ronen Hod' <rhod@redhat.com>, Vadim Rozenfeld <vrozenfe@redhat.com>, akong@redhat.com

On 11/21/2011 10:39 AM, Cao,Bing Bu wrote:
> Hi,
>
>     Recently,I am testing windows guest driver on Win7 and
> WinXP(32bit) with the latest windows guest driver development source.
>     Download from
> http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/src/
>
>
> virtio-blk:
>     It seems OK both on Win7 and WinXP,the r/w performance is better
> than IDE disk.
>
>
>
> virtio-serial:
>     I tried to test virtio serial driver using the test application in
> the project.
>
>     WinXP:
>     Write: OK
>     Read: Error: Read File Failed.
>
>     Win7:
>     The test application return error "can not find vioserial device".
>     But i debug the code and check that the GetDevicePath() return
> value is not NULL,and same as the value when testing on WinXP.
>     Why the CreateFile() in init() not called? (:
>
>
> virtio-balloon:
>
>     QEMU monitor: device_add virtio-balloon-pci
>
>     On the guest,a new device "PCI standard RAM controller" added.
>     But the Device Manager prompt "No driver installed for this
> device", but install the driver "balloon.sys" failed.
>     It said the driver is up to date.    Confused. (:
>
>     How can I install and test the balloon driver on Windows?
>
>
>
> The kvm-guest-drivers-windows.git on kernel.org is not available,is
> there any mirror git repository?
> Any mail-list or bugzilla for windows guest driver?
>
> Any help from will be appreciated.
>
>
You need to run serial test app as admin only.

To install balloon you have to go throw additional option when click on
"Browse my computer for driver software". Choose "Let me pick from the
list of device drivers on my computer" option.

Arkady