From owner-freebsd-current@FreeBSD.ORG Mon Aug 15 16:40:10 2005 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0763416A420 for ; Mon, 15 Aug 2005 16:40:10 +0000 (GMT) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (transport.cksoft.de [62.111.66.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6750143D55 for ; Mon, 15 Aug 2005 16:40:09 +0000 (GMT) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from transport.cksoft.de (localhost [127.0.0.1]) by transport.cksoft.de (Postfix) with ESMTP id 8D6C61FFACD; Mon, 15 Aug 2005 18:40:08 +0200 (CEST) Received: by transport.cksoft.de (Postfix, from userid 66) id 0938E1FFACC; Mon, 15 Aug 2005 18:40:06 +0200 (CEST) Received: by mail.int.zabbadoz.net (Postfix, from userid 1060) id 8578815823; Mon, 15 Aug 2005 16:37:16 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.int.zabbadoz.net (Postfix) with ESMTP id 7AE0F15384; Mon, 15 Aug 2005 16:37:16 +0000 (UTC) Date: Mon, 15 Aug 2005 16:37:16 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@e0-0.zab2.int.zabbadoz.net To: Julien Gabel In-Reply-To: <58808.192.168.1.20.1124118739.squirrel@webmail.thilelli.net> Message-ID: References: <60366.192.168.1.20.1123951488.squirrel@webmail.thilelli.net> <58808.192.168.1.20.1124118739.squirrel@webmail.thilelli.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: by AMaViS cksoft-s20020300-20031204bz on transport.cksoft.de Cc: FreeBSD current mailing list Subject: Re: Fresh install of BETA2: console error about a LOR... X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Aug 2005 16:40:10 -0000 On Mon, 15 Aug 2005, Julien Gabel wrote: > >> During the configuration phase, just after installing 6.0-BETA2 on a > >> notebook, i got the following message on the console: > >> > >> lock order reversal > >> 1st 0xc097b240 UMA lock (UMA lock) @ /usr/src/sys/vm/uma_core.c:1494 > >> 2nd 0xc1060144 system map (system map) @ /usr/src/sys/vm/vm_kern.c:295 > > > looks pretty much like > > http://sources.zabbadoz.net/freebsd/lor.html#110 > > As reported by Thierry Herbelot, the #109 appears on a UP and SMP system, > but the #110 seems to be SMP only (at least is only reproduced on a HTT > system with SMP kernel). > > When i got the second LOR, it was followed by a panic and a crash (three > times on four). It was during 'make buildworld' each time, with this > message: > > Memory modified after free 0xc2af2500(256) val=deadc0df @ 0xc2af2508 > panic: receive: m == 0 so->so_rcv.sb_cc == 4294967295 > cpuid = 0 > KDB: enter: panic > [thread pid 3908 tid 100152 ] > Stopped at kdb_enter+0x30: leave > db> > > I didn't have a crash dump yet, since it was during a post-installation > phase. I am currently running an UP kernel to avoid problem, but can > switch to a SMP one if somebody is interested. in case you get it a gain please type db> where so we'll know the code path where this happens. That might help or not. -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT