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Re: [Xen-devel] Bug: USB Bridge Will Not PassThru



On Tue, Jun 17, 2014, at 23:48, Pasi Kärkkäinen wrote:
On Tue, Jun 17, 2014 at 11:00:31PM -0700, merc1984@xxxxxx wrote:
 
I have a device which is a programmable bridge by Cirrus Semiconductor.
It converts parallel TTL to USB2.  I've built udev rules to upload its
firmware when detected (by VID/PID), and to set the permissions and a
systemd alias of its new identity after the firmware is loaded.
...
Are you using qemu-traditional or qemu-upstream for this HVM guest?
 
Note that qemu-traditional only supports USB 1.1 emulated passthru,
while qemu-upstream also supports USB2 and USB3.
 
Using qemu-xen-traditional, as I must have VGA passthrough.  This USB bridge is a USB2 device and must work at those speeds.  Is this going to be possible?
 
More info in my next email.
 
 
 
 
 
-- 
http://www.fastmail.fm - Same, same, but different...
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