From owner-freebsd-scsi@FreeBSD.ORG Tue Aug 12 13:42:24 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 7209D58E; Tue, 12 Aug 2014 13:42:24 +0000 (UTC) Received: from sinkng.sics.se (unknown [IPv6:2001:6b0:3a:1:c654:44ff:fe45:117c]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id DC6A72156; Tue, 12 Aug 2014 13:42:23 +0000 (UTC) Received: from P142s.sics.se (P142s.sics.se [193.10.66.127]) by sinkng.sics.se (8.14.9/8.14.9) with ESMTP id s7CDg86T022121 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 12 Aug 2014 15:42:08 +0200 (CEST) (envelope-from bengta@P142s.sics.se) Received: from P142s.sics.se (localhost [127.0.0.1]) by P142s.sics.se (8.14.9/8.14.9) with ESMTP id s7CDfkqL002992; Tue, 12 Aug 2014 15:41:46 +0200 (CEST) (envelope-from bengta@P142s.sics.se) Received: (from bengta@localhost) by P142s.sics.se (8.14.9/8.14.9/Submit) id s7CDfjEL002991; Tue, 12 Aug 2014 15:41:45 +0200 (CEST) (envelope-from bengta@P142s.sics.se) From: Bengt Ahlgren To: "Steven Hartland" Subject: Re: 9.3-RELEASE still instapanics on multi-mps(4) servers In-Reply-To: <4950FD3896C0468D83A599AC104E4D7A@multiplay.co.uk> (Steven Hartland's message of "Mon, 11 Aug 2014 14:54:06 +0100") References: <21474.34330.572142.206098@hergotha.csail.mit.edu> <4950FD3896C0468D83A599AC104E4D7A@multiplay.co.uk> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (berkeley-unix) Date: Tue, 12 Aug 2014 15:41:45 +0200 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Cc: freebsd-scsi@freebsd.org, freebsd-stable@freebsd.org, Garrett Wollman 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: Tue, 12 Aug 2014 13:42:24 -0000 "Steven Hartland" writes: > ----- 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. I have now tried a 9.3-REL memstick on my server (Dell PE R515). It booted just fine! Bengt