From owner-freebsd-current Fri Jan 25 16:50:15 2002 Delivered-To: freebsd-current@freebsd.org Received: from mw1.texas.net (mw1.texas.net [206.127.30.11]) by hub.freebsd.org (Postfix) with ESMTP id 2AEC337B400; Fri, 25 Jan 2002 16:50:11 -0800 (PST) Received: from staff3.texas.net (staff3.texas.net [207.207.0.40]) by mw1.texas.net (8.11.6/8.11.6) with ESMTP id g0Q0o8A20620; Fri, 25 Jan 2002 18:50:09 -0600 (CST) Received: (from doug@localhost) by staff3.texas.net (8.11.6/8.11.6) id g0Q0o8Y64773; Fri, 25 Jan 2002 18:50:08 -0600 (CST) (envelope-from doug) Date: Fri, 25 Jan 2002 18:50:08 -0600 From: Doug Swarin To: Robert Watson Cc: freebsd-current@freebsd.org, bright@mu.org, sobomax@freebsd.org, kris@obsecurity.org, re@freebsd.org Subject: Re: Panic in ufs_dirbad() Message-ID: <20020125185007.A64746@staff.texas.net> References: <20020125184512.A64502@staff.texas.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from rwatson@freebsd.org on Fri, Jan 25, 2002 at 07:48:09PM -0500 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, Jan 25, 2002 at 07:48:09PM -0500, Robert Watson wrote: > > On Fri, 25 Jan 2002, Doug Swarin wrote: > > > I have actually seen this panic very recently on -STABLE. Matt Dillon > > suspected an issue with the RAID controller I was using (aac) after some > > debugging work. > > > > I am still waiting on the results of diagnostic testing on the RAID > > controller, but I just wanted to offer an additional data point. > > > > I have attached dmesg and some of the results of our debugging session > > below. The panic occurred during heavy file create/delete activity. I > > referred to PR kern/13150, which may or may not be related. > > > > We determined that *ep in ufs_lookup contained garbage (from a file > > name). ep->d_name contained file data. > > Alternatively, if it's only recent -STABLE, maybe it's something to do > with the recent enabling of UFS_DIRHASH in -STABLE by default? If so, > this might require immediate action before 4.5-RELEASE goes out the door > (very, very soon). Has anyone managed to track it down anymore? I do not have UFS_DIRHASH enabled in my kernel. -- Doug Swarin, Programmer doug (at) texas dot net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message