From mboxrd@z Thu Jan 1 00:00:00 1970 From: Todd And Margo Chester Subject: USB is really slow on my host Date: Fri, 02 Dec 2011 14:29:18 -0800 Message-ID: <4ED9513E.4070001@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: kvm@vger.kernel.org Return-path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:47779 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755248Ab1LBW3W (ORCPT ); Fri, 2 Dec 2011 17:29:22 -0500 Received: by ywa9 with SMTP id 9so3213953ywa.19 for ; Fri, 02 Dec 2011 14:29:21 -0800 (PST) Sender: kvm-owner@vger.kernel.org List-ID: Hi All, Scientific Linux 6.1 x64 qemu-kvm-0.12.1.2-2.160.el6_1.2.x86_64 I do not have USB configured in any of my guests. Since adding KVM to my host, my USB 2.0 ports on my host are all acting like USB 1.0 ports (20 times slower). Is there a work around for this? Many thanks, -T