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From: Matthew Mastracci <matt@aclaro.com>
Date: Sat, 05 Nov 2005 16:39:08 -0700
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Subject: [Qemu-devel] Re: USB support
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To: qemu-devel@nongnu.org

> 1) The host OS must not use the USB device. It means in particular that 
> no host OS driver must be present for that device. The solution I am 
> using is to rename the host kernel module "usb-storage.o" to 
> "usb-storage.o.disabled" so that it is not loaded by Linux. Then QEMU 
> can exclusively access to the corresponding host storage USB device. The 
> same apply to every other type of USB devices.

For those using Fedora Core (and possibly a number of other Linux 
distributions), you can add your module to /etc/hotplug/blacklist to 
ensure it won't load.  I've been using this trick to get the USB support 
in VMWare to work for some time.

Matt.