From owner-freebsd-stable@FreeBSD.ORG Thu Dec 20 23:15:15 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7D518D0C for ; Thu, 20 Dec 2012 23:15:15 +0000 (UTC) (envelope-from rcartwri@asu.edu) Received: from mail-ie0-f175.google.com (mail-ie0-f175.google.com [209.85.223.175]) by mx1.freebsd.org (Postfix) with ESMTP id 38D248FC13 for ; Thu, 20 Dec 2012 23:15:14 +0000 (UTC) Received: by mail-ie0-f175.google.com with SMTP id qd14so5386652ieb.34 for ; Thu, 20 Dec 2012 15:15:14 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:x-gm-message-state; bh=3agm1oT0nDMOLdSHyJkIu4+Vk5ymVArI8U8ETIRLwls=; b=ahEQqB52uM+L38JFPWZ1E4CNh4Ph4JLUvaffH4i8X4yLIWSc0T3OHSJMflcvaFj7Uc N+V5kIy1PSdU6ysiBPdklr1XMio/Ts4m/DqrfVtstm417+ZLYmCdEA8Q4W4KxqxwdpOJ OgaFVnfMGgf3c8xuL3IwGNafBGvypca9/M9TNgX3MKGKT34IzdfMt2+BfqSRDCdwbAxc 7y+gir7zMyNm5RMNOPHaABrjmFfLFKV+sOwUlWf07gMWitt4+psqF47aOAVCP5ODNFwV Rxgp5aRZauE9I3zQ7qke3ms85gqpXhJXhNWkh9hE4EZAl4HQjb5ntYMoa551Zdnl1SR1 YAEQ== MIME-Version: 1.0 Received: by 10.42.54.211 with SMTP id s19mr10264272icg.34.1356045314037; Thu, 20 Dec 2012 15:15:14 -0800 (PST) Received: by 10.64.64.39 with HTTP; Thu, 20 Dec 2012 15:15:13 -0800 (PST) In-Reply-To: References: <50C9AFC6.6080902@FreeBSD.org> <50CA1639.1010409@FreeBSD.org> Date: Thu, 20 Dec 2012 16:15:13 -0700 Message-ID: Subject: Re: NFS/ZFS hangs after upgrading from 9.0-RELEASE to -STABLE From: "Reed A. Cartwright" To: olivier Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQlJQldcradD3EfDKCBhwXN1raz3Bjdzr0j4wEmSagK5QIrArF6Gs5fULFQPosBTbOa7a4mT Cc: freebsd-fs@freebsd.org, "freebsd-stable@freebsd.org" , Kashyap.Desai@lsi.com X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Dec 2012 23:15:15 -0000 I have also down graded to the MPS driver from 9.0. We've been running the server pretty heavily since then and no lockups have occurred since. It has been about a week. On Thu, Dec 13, 2012 at 11:14 PM, olivier wrote: > For what it's worth, I think I might have solved my problem by reverting to > an older version of the mps driver. I checked out a recent version of > 9-STABLE and reversed the changes in > http://svnweb.freebsd.org/base?view=revision&revision=230592 (perhaps there > was a simpler way of reverting to the older mps driver). So far so good, no > hang even when hammering the file system. > > This does not conclusively prove that the new LSI mps driver is at fault, > but that seems to be a likely explanation. > > Thanks to everybody who pointed me in the right direction. Hope this helps > others who run into similar problems with 9.1 > Olivier > > On Thu, Dec 13, 2012 at 10:14 AM, olivier wrote: > >> >> >> On Thu, Dec 13, 2012 at 9:54 AM, Andriy Gapon wrote: >> >>> Google for "zfs deadman". This is already committed upstream and I think >>> that it >>> is imported into FreeBSD, but I am not sure... Maybe it's imported just >>> into the >>> vendor area and is not merged yet. >>> >> >> Yes, that's exactly what I had in mind. The logic for panicking makes >> sense. >> As far as I can tell you're correct that deadman is in the vendor area but >> not merged. Any idea when it might make it into 9-STABLE? >> Thanks >> Olivier >> >> >> >> >>> So, when enabled this logic would panic a system as a way of letting know >>> that >>> something is wrong. You can read in the links why panic was selected for >>> this job. >>> >>> And speaking FreeBSD-centric - I think that our CAM layer would be a >>> perfect place >>> to detect such issues in non-ZFS-specific way. >>> >>> -- >>> Andriy Gapon >>> >> >> > _______________________________________________ > 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" -- Reed A. Cartwright, PhD Assistant Professor of Genomics, Evolution, and Bioinformatics School of Life Sciences Center for Evolutionary Medicine and Informatics The Biodesign Institute Arizona State University