From owner-freebsd-net@FreeBSD.ORG Wed Mar 28 06:54:11 2012 Return-Path: Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BD4AD1065675 for ; Wed, 28 Mar 2012 06:54:11 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.64.117]) by mx1.freebsd.org (Postfix) with ESMTP id 438C28FC0A for ; Wed, 28 Mar 2012 06:54:11 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.5/8.14.5) with ESMTP id q2S6s9Ix032376; Wed, 28 Mar 2012 10:54:09 +0400 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.5/8.14.5/Submit) id q2S6s9sh032375; Wed, 28 Mar 2012 10:54:09 +0400 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Wed, 28 Mar 2012 10:54:09 +0400 From: Gleb Smirnoff To: Ryan Stone Message-ID: <20120328065409.GS13561@glebius.int.ru> References: <201203090930.q299UCPX057950@freefall.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-net@FreeBSD.org Subject: Re: kern/165863 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Mar 2012 06:54:11 -0000 On Tue, Mar 27, 2012 at 04:36:59PM -0400, Ryan Stone wrote: R> > From: Gleb Smirnoff R> > To: Eric van Gyzen , R> > š š š šEric van Gyzen , emaste@FreeBSD.org R> > Cc: bug-followup@FreeBSD.org R> > Subject: kern/165863 R> > Date: Fri, 9 Mar 2012 13:20:56 +0400 R> > R> > š--BXVAT5kNtrzKuDFl R> > šContent-Type: text/plain; charset=koi8-r R> > šContent-Disposition: inline R> > R> > š Hello, Eric and Ed. R> > R> > š Can you look at this patch? I decided to utilize newer callout API, R> > šthat allows to delegate lock retrieval to the callout subsystem, and R> > šthis makes things simplier. Hope that should work. R> > R> > š Patch is against head. R> > R> > š Eric, can you please send me your test programs, that you use to R> > šreproduce the bug? R> R> I tested this patch today on head and 8.2-RELEASE. I was unable to R> reproduce any crashes, whereas before I could crash the system within R> minutes. R> R> However it appears that in6_lltable_prefix_free is similarly broken. R> The only saving grace is that there does not appear to be a code path R> that can actually call it. Well, the patch I sent before definitely has problems. -- Totus tuus, Glebius.