From mboxrd@z Thu Jan 1 00:00:00 1970 From: ebiederm@xmission.com (Eric W. Biederman) Subject: Re: [BUG] netxen: Stops working between 2.6.30 and 2.6.31-rc1 Date: Fri, 20 Nov 2009 10:21:05 -0800 Message-ID: References: <20091119163908.GJ14661@jayr.de> <7608421F3572AB4292BB2532AE89D5658B0B95BD5C@AVEXMB1.qlogic.org> <20091119183607.GK14661@jayr.de> <20091120075258.GM14661@jayr.de> <4B06D234.4060600@qlogic.com> <4B06DAF9.6080108@qlogic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jens Rosenboom , "netdev\@vger.kernel.org" , Amit Salecha , Ameen Rahman To: Dhananjay Phadke Return-path: Received: from out01.mta.xmission.com ([166.70.13.231]:55307 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753439AbZKTSVG (ORCPT ); Fri, 20 Nov 2009 13:21:06 -0500 In-Reply-To: <4B06DAF9.6080108@qlogic.com> (Dhananjay Phadke's message of "Fri\, 20 Nov 2009 10\:07\:53 -0800") Sender: netdev-owner@vger.kernel.org List-ID: Dhananjay Phadke writes: > Eric W. Biederman wrote: >> MSI-X uses the same messages on the wire is the same as MSI it is >> only the programming interface that is different. So if MSI works and >> MSI-X does not it is not a platform problem. >> > > Sure, but firmware and driver see it differently. IMO, this points to some > firmware issue (which is why I asked him to get right version from right > source). All that driver did was tried to enable msi-x, from my testing, I can > tell that both msi and msix work on all revisions of the nic asic, but firmware > revision can make a difference. For chiprev 0x25, 3.4.339 is the right firmware > version. Sorry I meant that only as a clarification, not to derail the conversation. This does sound like a firmware mismatch issue to me as well. Eric