Re: [opensuse-virtual] Status of USB redirection in Qemu-KVM?

Is this: http://forums.opensuse.org/showthread.php/494758-VM-won-t-start-when-added-a... The same problem?

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On 2014-02-07 at 15:26, Bjoern Voigt wrote: Hello all,

I like know, how is the status of USB redirection for Qemu-KVM in openSUSE (Virtualization repository)?

For me and probably for many other users it is a nice feature to give virtualization guests direct access to USB devices of the host system.

I did some tests with the following results:

* USB redirection does not work at all using Qemu-KVM 1.7.0 from Virtualization repository * After building my own version of Qemu-KVM 1.7.0 with libusb >= 1.0.18 from "hardware" repository and activation of libusb using "configure --enable-libusb" in qemu.spec I had some success.

The following worked:

* USB redirection with static assignment of an USB device worked with Windows XP as a guest. I tested with an USB mass storage device. From my "windowsxp" libvirt configuration: <hostdev mode='subsystem' type='usb' managed='yes'> <source> <vendor id='0x2237'/> <product id='0x4193'/> </source> </hostdev>

But I also had some problems:

* The same configuration did not worked with a Windows 8 guest. The error in Windows 8.1 device manager was, that the USB device could not be started. * USB redirection at runtime with "Spicy" didn't worked with Windows XP and Windows 8. Spicy offered the redirection in a dialog, but the guests did not see the redirected devices. Permission problems can not be the reason, because I also tried Spicy with root access. Windows XP also has the Spice driver installed.

My questions:

Are there plans to add USB redirection support for Qemu-KVM? For reference and testing I made a repository here:

http://download.opensuse.org/repositories/home:/bjoernv:/branches:/Virtualiz ation/openSUSE_13.1/home: bjoernv:branches:Virtualization.repo

Are there ideas how to resolve the remaining problems?

Greetings, Björn

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