From owner-freebsd-scsi@FreeBSD.ORG Wed Aug 6 20:26:50 2014 Return-Path: Delivered-To: freebsd-scsi@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 46716518; Wed, 6 Aug 2014 20:26:50 +0000 (UTC) Received: from smtp1.multiplay.co.uk (smtp1.multiplay.co.uk [85.236.96.35]) by mx1.freebsd.org (Postfix) with ESMTP id 0B1E22162; Wed, 6 Aug 2014 20:26:49 +0000 (UTC) Received: by smtp1.multiplay.co.uk (Postfix, from userid 65534) id 6BA5D20E7088C; Wed, 6 Aug 2014 20:26:42 +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 0FC0A20E70885; Wed, 6 Aug 2014 20:26:37 +0000 (UTC) Message-ID: <4DE72E01E8A64E98A31920FCFCAA5D26@multiplay.co.uk> From: "Steven Hartland" To: "Garrett Wollman" , References: <21474.34330.572142.206098@hergotha.csail.mit.edu> Subject: Re: 9.3-RELEASE still instapanics on multi-mps(4) servers Date: Wed, 6 Aug 2014 21:26:30 +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 X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Aug 2014 20:26:50 -0000 The stack from the panic would be a good start. ----- Original Message ----- From: "Garrett Wollman" To: Cc: Sent: Wednesday, August 06, 2014 8:46 PM Subject: 9.3-RELEASE still instapanics on multi-mps(4) servers > 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. > > -GAWollman > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >