From mboxrd@z Thu Jan 1 00:00:00 1970 From: gg@seh.de Subject: Test with VT-d patches Date: Tue, 02 Sep 2008 10:44:18 +0200 Message-ID: <18097100.140601220345058695.JavaMail.servlet@kundenserver> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit To: Return-path: Received: from moutng.kundenserver.de ([212.227.126.171]:57654 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751199AbYIBIoU (ORCPT ); Tue, 2 Sep 2008 04:44:20 -0400 Sender: kvm-owner@vger.kernel.org List-ID: Hi, i am interested in the use of the new VT-d hardware feature. My Dell-PC "OPTIPLEX" is capable for this. The Linux-System was an Ubuntu-8.10 (AMD64) with the current Linux-Kernel from the KVM-Kernel GIT repository. (2.6.27-rc4) To use VT-d i download kvm-74 and take the patches from "Amit Shah". 1) The KVM/userspace [PATCH1/1] was applied without errors. 2) The VTD [PATCH1/2] seems already be applied. 3) The VTD [PATCH2/2] was applied without errors. Now I use the command line option -pcidevice dev=00:03.19 to pass the Intel Pro Gigabit Network Device to my WindowsXP Guest-System. Qemu told me something like: "passing 00:03.19 as device 00:03.00 to the guest system". Windows starts normally fast. But then its slow rapidly down. My mouse stops for about 10sec and then goes again for 1sec. Windows remember the new hardware correctly. And after i install the new driver, the system seems to go a little bit faster. But the problem was, that no ping or other network packages was send/received. What can i do to find the problem? (Debugging?) Regards, Gregor Glomm