From owner-freebsd-stable@FreeBSD.ORG Mon Aug 11 13:54:19 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C734C6DE; Mon, 11 Aug 2014 13:54:19 +0000 (UTC) Received: from smtp1.multiplay.co.uk (smtp1.multiplay.co.uk [85.236.96.35]) by mx1.freebsd.org (Postfix) with ESMTP id 8C0682A9C; Mon, 11 Aug 2014 13:54:19 +0000 (UTC) Received: by smtp1.multiplay.co.uk (Postfix, from userid 65534) id E829C20E7088A; Mon, 11 Aug 2014 13:54:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.multiplay.co.uk X-Spam-Level: ** X-Spam-Status: No, score=2.2 required=8.0 tests=AWL,BAYES_00,DOS_OE_TO_MX, FSL_HELO_NON_FQDN_1,HELO_NO_DOMAIN,RDNS_DYNAMIC,STOX_REPLY_TYPE autolearn=no version=3.3.1 Received: from r2d2 (82-69-141-170.dsl.in-addr.zen.co.uk [82.69.141.170]) by smtp1.multiplay.co.uk (Postfix) with ESMTPS id 233BC20E70885; Mon, 11 Aug 2014 13:54:08 +0000 (UTC) Message-ID: <4950FD3896C0468D83A599AC104E4D7A@multiplay.co.uk> From: "Steven Hartland" To: "Bengt Ahlgren" , "Garrett Wollman" References: <21474.34330.572142.206098@hergotha.csail.mit.edu> Subject: Re: 9.3-RELEASE still instapanics on multi-mps(4) servers Date: Mon, 11 Aug 2014 14:54:06 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: freebsd-scsi@freebsd.org, freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Aug 2014 13:54:19 -0000 ----- Original Message ----- From: "Bengt Ahlgren" > Garrett Wollman writes: > >> Remember about six months ago when I tested 9-stable on one of my big >> NFS servers, and had it panic in the middle of the USB probe, but >> ultimately bisected the problem to an update to the mps(4) driver? I >> had to stop investigating and get the server working (which I did, by >> installing 9.2 instead of something newer and presumably faster). >> I'm >> at the point now where I'd like to upgrade my file servers to 9.3, >> and >> I can't, because of this issue, so it's time to start tracking down >> the bug again. >> >> I have two test servers now. 9.3 works just fine on one of them, and >> panics on the other. The one it works on is slightly older, and has >> an mpt(4) controller for the boot drives, as opposed to the system >> where the panic happens, which is mps(4)-only. Both systems have two >> SAS2116 controllers for external drives; the ones on the working >> system have drives attached, and the ones on the non-working system >> are not connected to anything (and in fact disabled in the BIOS for >> now). >> >> Any experts want to suggest where to start (besides, obviously, >> attaching a serial console, which I haven't done yet)? I saw one >> change in the svn logs for 9.3 prior to the release which looked like >> it might be a relevant fix, but it clearly hasn't improved anything >> for my servers. > > I have a dual-mps (one Dell H200 and one LSI 9207) system now running > 9.1 (w patched sys/kern/kern_intr.c) that I intend to upgrade to 9.3 > shortly. Is it enough to boot a 9.3 memstick to provoke the issue? I would take this thread with a pinch of salt until it can be proved its not a hardware issue. Regards Steve