From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: FYI: fixing Vista networking with rtl8139 + KVM Date: Thu, 27 Sep 2007 11:56:35 +0200 Message-ID: <46FB7E53.7000701@qumranet.com> References: <20070927031945.GL29729@redhat.com> <46FB731E.8000907@bppiac.hu> <46FB7A0E.3080801@qumranet.com> <46FB7AB0.20301@bull.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Laurent Vivier Return-path: In-Reply-To: <46FB7AB0.20301-6ktuUTfB/bM@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Laurent Vivier wrote: > Avi Kivity wrote: > >> Farkas Levente wrote: >> >>> Daniel P. Berrange wrote: >>> >>> >>>> A Fedora user reported that Vista networking isn't working with KVM[1] and >>>> pointed to the Wiki >>>> >>>> http://kvm.qumranet.com/kvmwiki/Vista_Networking_Workaround >>>> >>>> FYI, a patch from Xen was merged into upstream QEMU to fix this problem >>>> with rtl8139 a week or two back and works nicely with KVM+Vista... >>>> >>>> http://www.mail-archive.com/qemu-devel-qX2TKyscuCcdnm+yROfE0A@public.gmane.org/msg11365.html >>>> >>>> ..avoiding need for messing around with ne2k drivers as mentioned in the wiki >>>> >>>> Regards, >>>> Dan. >>>> >>>> [1] https://bugzilla.redhat.com/show_bug.cgi?id=308201 >>>> >>>> >>> does this means that in general use the ne2k driver is a better choice? >>> anyway is there a suggested network driver for the guests? >>> >>> >>> >> No, it means I need to merge qemu-cvs. >> >> rtl8139 performs faster than ne2000. >> > > But adding CRC computing in RTL839 should have some impacts on performance. > > It's probably negligible since the copy has placed the packet in the cache. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/