[Qemu-devel] 回复： dataplane bug: fail to start Windows VM with dataplane enable

[leiqzhang <leiqzhang@gmail.com>]

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Hi, Stefan:

    Thank for your reply and patch. I have done the test for Windows 7, Windows 2003, and fedora.

     The patch has fixed the problem now, thanks.   

--  
leiqzhang
Sent by  Sparrow (http://www.sparrowmailapp.com/?sig)


在 2013年3月27日星期三，23:41，Stefan Hajnoczi 写道：

> On Tue, Mar 26, 2013 at 11:10:35PM +0800, 张磊强 wrote:
> > Hi, Paolo && Stefan:
> >  
> > When I test the dataplane feature with qemu master, I find that
> > Windows (Windows 7 and Windows 2003) VM will hang if dataplane is
> > enabled. But if I try to start a Fedora VM, it can start normally.
> >  
> > The command I boot QEMU is:
> > x86_64-softmmu/qemu-system-x86_64 -enable-kvm -m 1024 -smp 2 -drive
> > file=win7.img,if=none,id=drive-virtio-disk,format=raw,cache=none,aio=native
> > -device virtio-blk-pci,config-wce=off,scsi=off,x-data-plane=on,drive=drive-virtio-disk,id=virtio-disk
> >  
> > I found the similar bug has reported some days ago:
> > http://lists.nongnu.org/archive/html/qemu-devel/2013-03/msg02200.html
> > . And a patch for this bug has already committed by Paolo at Mar 13:
> > http://lists.nongnu.org/archive/html/qemu-devel/2013-03/msg02200.html
> > .
> >  
> > But it cannot work under my environment. Could you give me some advise
> > to debug this problem ? I can provide more information if need.
> >  
>  
>  
> I sent a fix and CCed you on the patch. Please test it if you have
> time.
>  
> Stefan  


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