From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yang, Sheng" Subject: Re: Test with VT-d patches Date: Tue, 2 Sep 2008 19:34:37 +0800 Message-ID: <200809021934.37394.sheng.yang@intel.com> References: <18097100.140601220345058695.JavaMail.servlet@kundenserver> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: gg@seh.de To: kvm@vger.kernel.org Return-path: Received: from mga02.intel.com ([134.134.136.20]:40372 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751113AbYIBLbq (ORCPT ); Tue, 2 Sep 2008 07:31:46 -0400 In-Reply-To: <18097100.140601220345058695.JavaMail.servlet@kundenserver> Content-Disposition: inline Sender: kvm-owner@vger.kernel.org List-ID: On Tuesday 02 September 2008 16:44:18 gg@seh.de wrote: > 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?) Hi Gregor Can you have a look at your dmesg and post it here? I think we can got some clue. Thanks! -- regards Yang, Sheng > > Regards, > > Gregor Glomm > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html