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Subject: Re: [Qemu-devel] Running Qemu ARM using NFS on Windows
From: Lonnie Mendez <lmendez19@austin.rr.com>
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Date: Tue, 08 Aug 2006 05:41:04 -0500
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To: qemu-devel@nongnu.org

On Tue, 2006-08-08 at 03:20 -0700, Tieu Ma Dau wrote:
> Hi all,
> I ran successfully Qemu to simulate ARM system on Linux host with the
> following command:
> ./qemu-system-arm -kernel zImage.integratorCP -append "root=/dev/nfs
> nfsroot=192.168.7.1:/mnt/nfsqemu rw
> ip=192.168.7.2::192.168.7.1:255.255.255.0 " -net nic,vlan=0 -net
> tap,vlan=0,ifname=tap0,script=./qemu-ifup
> The content of qemu-ifup script is: 
> ifconfig tap0 192.168.7.1
> 
> But my project demands me to run this ARM system on Windows host. So I
> modify a bit the qemu-ifup script as:
> ipconfig tap0 192.168.7.1 # "ipconfig" , not "ifconfig"
> And the corresponding command on Windows is:
> qemu-system-arm -kernel zImage.integrator -append "root=/dev/nfs
> nfsroot=192.
> 168.7.1:/c/cygwin/openpsionfiltered=192.168.7.2::192.168.7.1:255.255.255.0" -net
> nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=./qemu-ifup
> 
> But the error I got is:
> tap: Could not open 'tap0'
> Could not initialize device 'tap

   See the Qemu on Windows documentation section on "Using Tap."
http://www.h7.dion.ne.jp/~qemu-win/