Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161142AbWASLfm (ORCPT ); Thu, 19 Jan 2006 06:35:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161147AbWASLfm (ORCPT ); Thu, 19 Jan 2006 06:35:42 -0500 Received: from uproxy.gmail.com ([66.249.92.200]:16281 "EHLO uproxy.gmail.com") by vger.kernel.org with ESMTP id S1161142AbWASLfm convert rfc822-to-8bit (ORCPT ); Thu, 19 Jan 2006 06:35:42 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=pRvmFYijSQF7lzkeLkST4QEFgV9qzI7hdmSK1o91Yp5dhDOhhbNqmzrDHl9cj7CuM2BFk1LJBBIMC3897SlA35INNFLKggsgpXnAs+SBgjFkPPo/kzoUAPQqZwiy8LIf+DB7dWD0wnpQ2n7ryKHY0pKs5iAB6YR9tqvD6XV2UkY= Message-ID: <58cb370e0601190335w51bb1d25pb5ae575632cedbad@mail.gmail.com> Date: Thu, 19 Jan 2006 12:35:40 +0100 From: Bartlomiej Zolnierkiewicz To: Sebastian Kuzminsky Subject: Re: sata_mv important note Cc: Arkadiusz Miskiewicz , Linux Kernel In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <43CD07D5.30302@pobox.com> <200601171734.25598.arekm@pld-linux.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2157 Lines: 50 On 1/17/06, Sebastian Kuzminsky wrote: > Arkadiusz Miskiewicz wrote: > > On Tuesday 17 January 2006 17:24, Sebastian Kuzminsky wrote: > > > Jeff Garzik wrote: > > > > For sata_mv users, you should be aware of three things: > > > > > > > > 1) The Marvell driver is experimental, and not yet considered ready for > > > > production use. As Kconfig notes: HIGHLY EXPERIMENTAL. > > > > > > Right, understood. > > > > I'm using: > > > > 03:03.0 SCSI storage controller: Marvell Technology Group Ltd. MV88SX6041=20 > > 4-port SATA II PCI-X Controller (rev 07) > > > > but with http://www.keffective.com/mvsata/FC3/mvSata-3.4.2a-patched.tbz driver > > and it works nicely (+ 2.8GHz Xeon HT, smp kernel). I was quite suprised to > > see that there are no problems with it in typical usage (while I'm sure that > > this driver is far away from kernel standards). > > I'm using: > > 0000:02:01.0 IDE interface: Marvell Technology Group Ltd. MV88SX6081 8-port SATA II PCI-X Controller (rev 09) > > I'm running the stock 2.6.15 kernel & the in-kernel driver. I have four > disks on this controller. The controller and disks seem perfectly stable, > I've been running four parallel "badblocks -n" processes (one on each > disk) for almost 5 days now. Using the disks as PVs in LVM works fine, > and building a RAID-6 out of them also works fine. > > But when I build a RAID-6 out of them, and use the array as a PV > for LVM, the system locks up within seconds (no errors, no sysrq, > no CapsLock-blinky, no network-pingy). This behavior is perfectly > repeatable. Have you tried using "nmi_watchdog=1" kernel parameter? > The problem goes away and everything works if I turn on all the debugging > options in the kernel config (but I dont get any debug output from > the kernel). Could you find the specific option which makes the hang go away? Bartlomiej - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/