From owner-freebsd-hackers@FreeBSD.ORG Sun Apr 20 13:28:02 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D6CE337B401; Sun, 20 Apr 2003 13:28:01 -0700 (PDT) Received: from bluejay.mail.pas.earthlink.net (bluejay.mail.pas.earthlink.net [207.217.120.218]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4239543FAF; Sun, 20 Apr 2003 13:28:01 -0700 (PDT) (envelope-from tlambert2@mindspring.com) Received: from pool0099.cvx21-bradley.dialup.earthlink.net ([209.179.192.99] helo=mindspring.com) by bluejay.mail.pas.earthlink.net with asmtp (SSLv3:RC4-MD5:128) (Exim 3.33 #1) id 197LPr-0005tN-00; Sun, 20 Apr 2003 13:28:00 -0700 Message-ID: <3EA3027B.F15A7374@mindspring.com> Date: Sun, 20 Apr 2003 13:26:35 -0700 From: Terry Lambert X-Mailer: Mozilla 4.79 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Don Lewis References: <200304201018.h3KAI5XB021318@gw.catspoiler.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-ELNK-Trace: b1a02af9316fbb217a47c185c03b154d40683398e744b8a485494447d9f98cb68f43988a39b73755548b785378294e88350badd9bab72f9c350badd9bab72f9c cc: demon@FreeBSD.org cc: hackers@FreeBSD.org Subject: Re: Repeated similar panics on -STABLE X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Apr 2003 20:28:02 -0000 Don Lewis wrote: > On 20 Apr, Dmitry Sivachenko wrote: > > On Sun, Apr 20, 2003 at 01:16:16AM -0700, Don Lewis wrote: > > Well, here is probably a misunderstanding.. > > We did NOT apply Terry's patch. Let me quote a bit from my e-mail to Terry: > > > > TL> Did my patch fix your problem? > > TL> > > TL> Or did you tune your kernel, as I suggested, to fix your problem? > > TL> > > TL> Or is it still a problem? > > > > DS>We changed maxusers from 512 to 0 and decreased the number of > > DS>NMBCLUSTERS. Now everything is working fine, but since these panics occured > > DS>about once a week I can't say for sure they are completely gone. > > DS>Let's wait at least one more week... > > > > Thus I wanted to say that we only tuned maxusers and NMBCLUSTERS. We > > run virgin -STABLE kernel without any patches. Probably my english leaves much > > to be desired ;-(( > > Your English seems just fine to me. > > I just got the impression from Terry that the patch is what fixed the > problem for you. FWIW, I got the same impression from Dmitry. In any case, the retry in case the thing is NULL is valid, if the thing is ever NULL. The question of whether or not it can ever validly be NULL is really a sidebar. -- Terry