From owner-freebsd-stable@FreeBSD.ORG Mon Nov 5 09:45:01 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7670716A41A for ; Mon, 5 Nov 2007 09:45:01 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (pointyhat.freebsd.org [IPv6:2001:4f8:fff6::2b]) by mx1.freebsd.org (Postfix) with ESMTP id 6345E13C48A; Mon, 5 Nov 2007 09:45:00 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <472EE61B.3080609@FreeBSD.org> Date: Mon, 05 Nov 2007 10:44:59 +0100 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.6 (Macintosh/20070728) MIME-Version: 1.0 To: Kostik Belousov References: <47278B33.6040904@FreeBSD.org> <008401c81ca8$65861a70$eec55358@OODAMDXP> <472DDF50.80505@FreeBSD.org> <01c801c81f1f$6366ae20$eec55358@OODAMDXP> <472E470C.9030607@FreeBSD.org> <20071105093640.GN37471@deviant.kiev.zoral.com.ua> In-Reply-To: <20071105093640.GN37471@deviant.kiev.zoral.com.ua> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org, Oleg Derevenetz Subject: Re: kern/104406: [ufs] Processes get stuck in "ufs" stateunderpersistent CPU load 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, 05 Nov 2007 09:45:01 -0000 Kostik Belousov wrote: > On Sun, Nov 04, 2007 at 11:26:20PM +0100, Kris Kennaway wrote: >> Oleg Derevenetz wrote: >>>>>>> Dumpdev is swap partition on da0 (single physical disk) that >>>>>>> connected to Mylex AcceleRAID 170 RAID controller. The problem >>>>>>> arrives when I copy large amount of files from FTP to another disk >>>>>>> (da1) that is connected to the same RAID controller. >>>>>> If the driver or controller is misbehaving it could explain both >>>>>> problems. Any chance you can get another disk in there on a >>>>>> different controller to dump onto? >>>>> Yes, I got IDE disk and saved kernel dump for another static hang >>>>> state on it. Here is the dump: >>>>> >>>>> ftp://oleg.vsi.ru/private/vmcore.0.zip >>>> Is this just the vmcore, or the debugging kernel also? Both are >>>> needed to make sense of the dump. >>> Kernel binary with kernel config is here: >>> >>> ftp://oleg.vsi.ru/private/kernel.zip >>> >>> This kernel was built statically, and no modules loaded on boot at all. >>> >>> -- >>> Oleg Derevenetz OOD3-RIPE >>> Phone: +7 4732 539880 >>> Fax: +7 4732 531415 http://www.vsi.ru >>> CenterTelecom Voronezh ISP http://isp.vsi.ru >>> >>> >> That kernel doesn't appear to match with the vmcore, are you sure it is >> the right one? Are you able to successfully run kgdb on these locally? > > Besides the matching kernel, kgdb also must be build from the same sources > as the kernel to provide useful information from the core dump. > > Anyway, I looked at the ddb output already, said that it looks as either > driver or hw problem with very high confidence. > > I think the time of the project could be spent more productive elsewere, > while submitter checks his hardware, for instance, by changing controller, > disks, or controller type. Yes, at this point it does seem to be related to the mylex controller. I hear from another developer that they are not considered to be high-quality hardware. Kris