From owner-freebsd-fs@FreeBSD.ORG Thu Jun 29 05:31:29 2006 Return-Path: X-Original-To: freebsd-fs@freebsd.org Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4C49316A492; Thu, 29 Jun 2006 05:31:29 +0000 (UTC) (envelope-from user@dhp.com) Received: from shell.dhp.com (shell.dhp.com [199.245.105.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3925E43DB2; Thu, 29 Jun 2006 05:31:26 +0000 (GMT) (envelope-from user@dhp.com) Received: by shell.dhp.com (Postfix, from userid 896) id 398CE31316; Thu, 29 Jun 2006 01:31:25 -0400 (EDT) Date: Thu, 29 Jun 2006 01:31:25 -0400 (EDT) From: Ensel Sharon To: Robert Watson In-Reply-To: <20060624232457.D8526@fledge.watson.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: freebsd-fs@freebsd.org Subject: Re: 6.1 quota bugs cause adaptec 2820sa kernel to crash ? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2006 05:31:29 -0000 Robert, On Sat, 24 Jun 2006, Robert Watson wrote: > > After loading, the system frequently (multi-daily) crashed with the error: > > > > Warning! Controller is no longer running! code=0xbcef0100 > > > > (after a page or so of aac0 timeout messages) > > > > So I disabled quotas on the system, and it has been completely stable ever > > since. > > > > ----- > > The above sounds a lot like a problem with {Adaptect driver, controller, > disks}, rather than a quota problem. So it might be that there's an I/O load > change with quotas running that triggers the problem. Alternatively, there's > a memory corruption bug (or the like) in quotas that corrupts data structures > for the adaptec driver, but hopefully not. I believe Scott Long follows this > list, but if you don't hear back in a bit, you might forward that description > to him and see if he has thoughts. In the past, he's maintained the Adaptec > drivers, but I'm not sure what his level of involvement with them is at this > point. I have gotten no responses of any kind from -hackers or from -fs, or privately. I am currently trying to reproduce this on a totally different machine, to see if I can pin it down as a quota problem or an aac problem or a 2820sa problem. My efforts are ametuerish, I'm afraid, and I'd be happy to run any kind of tests, etc., for anyone that is better at this than I am. In the meantime, if _anyone_ has any insight into my original post in this thread (June 23) it would be much appreciated. Especially some details as to what the problems with quotas really are and how they are being fixed. Thanks.