From owner-freebsd-stable@FreeBSD.ORG Mon Sep 19 19:13:55 2011 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9C0C6106566B for ; Mon, 19 Sep 2011 19:13:55 +0000 (UTC) (envelope-from freebsdlists@bsdunix.ch) Received: from conversation.bsdunix.ch (ns1.bsdunix.ch [82.220.1.90]) by mx1.freebsd.org (Postfix) with ESMTP id 576908FC0C for ; Mon, 19 Sep 2011 19:13:55 +0000 (UTC) Received: from conversation.bsdunix.ch (localhost [127.0.0.1]) by conversation.bsdunix.ch (Postfix) with ESMTP id 494D3B6DE; Mon, 19 Sep 2011 19:13:54 +0000 (UTC) X-Virus-Scanned: by amavisd-new at mail.bsdunix.ch Received: from conversation.bsdunix.ch ([127.0.0.1]) by conversation.bsdunix.ch (conversation.bsdunix.ch [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 4yRO10VGgGDQ; Mon, 19 Sep 2011 19:13:53 +0000 (UTC) Received: from [192.168.1.4] (dmhd.bsdunix.ch [82.220.17.25]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by conversation.bsdunix.ch (Postfix) with ESMTPSA id A9946B6DB; Mon, 19 Sep 2011 19:13:53 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1244.3) Content-Type: text/plain; charset=us-ascii From: Thomas Vogt In-Reply-To: <20110919190659.GA76654@alchemy.franken.de> Date: Mon, 19 Sep 2011 21:13:53 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: References: <94E5E0D6-3062-44A2-8ED3-3C3D44FA7A09@bsdunix.ch> <20110919190659.GA76654@alchemy.franken.de> To: Marius Strobl X-Mailer: Apple Mail (2.1244.3) Cc: stable@freebsd.org Subject: Re: mpt0 timeouts with an intel SASUC8I controller X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 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, 19 Sep 2011 19:13:55 -0000 Hi Marius On 19.09.2011, at 21:06, Marius Strobl wrote: > On Mon, Sep 19, 2011 at 02:45:04PM +0200, Thomas Vogt wrote: >> Hello >>=20 >> I've stability issue with my new intel SASUC8I [1] PCIe controller. = It's a LSI 1068e based controller. After a few minutes with disk io = (csup or scrub by example) my FreeBSD 8-stable (64bit) is "freezing" for = a couple of minutes and I see a lot of error messages like: >>=20 >> Sep 17 03:10:03 gw kernel: mpt0: request 0xffffff80002bc3b0:48367 = timed out for ccb 0xffffff00050a8000 (req->ccb 0xffffff00050a8000) >> Sep 17 03:10:03 gw kernel: mpt0: request 0xffffff80002bbb40:48368 = timed out for ccb 0xffffff0004f81800 (req->ccb 0xffffff0004f81800) >> Sep 17 03:10:03 gw kernel: mpt0: completing timedout/aborted req = 0xffffff80002bc3b0:48367 >> Sep 17 03:10:03 gw kernel: mpt0: completing timedout/aborted req = 0xffffff80002bbb40:48368 >> Sep 17 03:10:03 gw kernel: mpt0: Timedout requests already complete. = Interrupts may not be functioning >>=20 >=20 > If this really is an issue with interrupts not getting delivered you > could try whether disabling MSI/MSI-X by setting hw.pci.enable_msi=3D0 > and hw.pci.enable_msix=3D0 either on the loader prompt or via = loader.conf > works around it. I already tried this. It didn't change anything. Same timeouts. I also tried vfs.zfs.vdev.min_pending=3D"1" and = vfs.zfs.vdev.max_pending=3D"1" in loader.conf without any positive = change. Regards, Tom