As per https://wiki.ubuntu.com/VirtFeatureVerification, I did not see this problem when testing USB with lucid and maverick. Certainly data transfer could be slow, but I never saw a slowdown of the guest OS. Can you confirm whether you can still reproduce this?
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to kvm in Ubuntu. https://bugs.launchpad.net/bugs/258771 Title: Using -usbdevice host: slows the guest OS down to a crawl To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kvm/+bug/258771/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
