From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: MSI-X not enabled for ixgbe device-passthrough Date: Fri, 26 Mar 2010 17:05:42 +0100 Message-ID: <4BACDB56.4020508@suse.de> References: <4BAA35A7.2090104@suse.de> <20100325175446.GI1744@sequoia.sous-sol.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org, Sheng Yang To: Chris Wright Return-path: Received: from cantor.suse.de ([195.135.220.2]:60465 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751473Ab0CZQFq (ORCPT ); Fri, 26 Mar 2010 12:05:46 -0400 In-Reply-To: <20100325175446.GI1744@sequoia.sous-sol.org> Sender: kvm-owner@vger.kernel.org List-ID: Chris Wright wrote: > * Hannes Reinecke (hare@suse.de) wrote: >> Hi all, >> >> I'm trying to setup a system with device-passthrough for >> an ixgbe NIC. >> The device itself seems to work, but it isn't using MSI-X. >> So some more advanced features like DCB offloading etc >> won't work. >=20 > Please send the relevant dmesg from the guest when it initializes the > device. BTW, more typical case for that NIC is to assign the VF to t= he > guest, not the whole PF. >=20 Yes, I know. But my kernel I'm testing with doesn't have one for ixgbe. So I tested that one. And KVM really should enable MSI-X here, VFs notwithstanding. Cheers, Hannes --=20 Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: Markus Rex, HRB 16746 (AG N=FCrnberg)