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Date: Fri, 25 Sep 2009 09:54:58 +0200
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: [Qemu-devel] Re: qdev: USB is not working
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To: Luiz Capitulino <lcapitulino@redhat.com>
Cc: qemu-devel@nongnu.org

> """
> husb: open device 1.5
> usb_create: no bus specified, using "usb.0" for "USB Host Device"
> husb: config #1 need -1
> USBDEVFS_DISCONNECT: Invalid argument
> """
>
>   I've tried different devices, as I thought this was a problem with
> my box, but got the same problem..

Looks like you are trying to pass through host devices, correct?

Hooking up virtual mass storage / mouse / tabled works fine, so it is 
probably a bug somewhere in usb-linux.c.  I'll have a look later today.

cheers,
   Gerd