From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qg0-f44.google.com ([209.85.192.44]:36742 "EHLO mail-qg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752829AbbBZA2h (ORCPT ); Wed, 25 Feb 2015 19:28:37 -0500 Received: by mail-qg0-f44.google.com with SMTP id j5so6150766qga.3 for ; Wed, 25 Feb 2015 16:28:37 -0800 (PST) Date: Wed, 25 Feb 2015 18:28:33 -0600 From: Bjorn Helgaas To: Paul Johnson Cc: Yinghai Lu , linux-pci Subject: Re: [problem] mpt2sas load fails with LSISAS2008 Message-ID: <20150226002833.GS6220@google.com> References: <54D160B5.70006@nwtrail.com> <54D6C6CB.6060904@nwtrail.com> <54D7AE67.1090007@nwtrail.com> <54DB7F39.8030306@nwtrail.com> <54E67479.3020906@nwtrail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <54E67479.3020906@nwtrail.com> Sender: linux-pci-owner@vger.kernel.org List-ID: On Thu, Feb 19, 2015 at 03:40:41PM -0800, Paul Johnson wrote: > ... > The 3.4.0 and 3.4.1 kernels I used came from here: > http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D > > A dmesg with the newer firmware and 3.19 from the same url is > attached to the bug report > https://bugzilla.kernel.org/show_bug.cgi?id=92351 as attachment: > dmesg with 3.19 and LSI FW 18 Sorry, I haven't forgotten this, but I haven't had a chance to look at it yet. Yinghai, have you? I'd like to have a better understanding of why we are seeing the problem before we apply a workaround. Right now, all I know is "mpt2sas worked in 3.4, it stopped working in 3.4.1, and this patch fixes it." What I don't know is what changed in 3.4.1 to break it. Bjorn