From owner-freebsd-current@FreeBSD.ORG Tue Aug 10 19:41:29 2004 Return-Path: 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 B488216A4CE; Tue, 10 Aug 2004 19:41:29 +0000 (GMT) Received: from mediamonks.com (siripandita.mediamonks.net [62.192.127.138]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2034243D55; Tue, 10 Aug 2004 19:41:28 +0000 (GMT) (envelope-from root@mediamonks.net) Received: from manrikigusari [217.19.28.156] by mediamonks.com with ESMTP (SMTPD32-8.12) id A4E23FB00A8; Tue, 10 Aug 2004 21:41:22 +0200 From: "Terrence Koeman" To: "'John Baldwin'" , Date: Tue, 10 Aug 2004 21:40:22 +0200 Organization: MediaMonks B.V. MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: AcR/EaFEbu5N8FB9TsORK1thGtLSRAAAB+KA Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=SHA1; boundary="----=_NextPart_000_0047_01C47F22.A36B9990" In-Reply-To: <200408101535.11863.jhb@FreeBSD.org> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Message-Id: <200408102141323.SM01804@manrikigusari> X-Info: This e-mail was scanned for spam and viruses by mail.mediamonks.net. X-Info: Please send abuse reports about this e-mail to abuse@mediamonks.net. Subject: RE: Lock order reversal in 5.2-CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: root@mediamonks.net List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Aug 2004 19:41:29 -0000 This is a multi-part message in MIME format. ------=_NextPart_000_0047_01C47F22.A36B9990 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit > -----Original Message----- > From: John Baldwin [mailto:jhb@FreeBSD.org] > Sent: Tuesday, August 10, 2004 21:35 > To: freebsd-current@FreeBSD.org > Cc: Colin Percival; root@mediamonks.net > Subject: Re: Lock order reversal in 5.2-CURRENT > > On Tuesday 10 August 2004 02:45 pm, Colin Percival wrote: > > At 11:29 10/08/2004, Terrence Koeman wrote: > > >lock order reversal > > > 1st 0xc0645aa0 sched lock (sched lock) @ > > > /usr/src/sys/vm/vm_zeroidle.c:156 2nd 0xc06748c0 sio (sio) @ > > > /usr/src/sys/dev/sio/sio.c:3039 > > > > > >This LOR is not on > http://sources.zabbadoz.net/freebsd/lor.html, so I'm > > >guessing this one locked up my system. > > > > This is LOR #013 on bzeeb's list. There isn't any solution > yet, but there > > is a simple workaround: unplug the serial console. > > The real problem is that mi_switch panic'd: > > calltrap() at calltrap+0x5 > --- trap 0xc, eip = 0xc04b3ed2, esp = 0xd4dd7c90, ebp = 0xd4dd7ce0 --- > mi_switch(1,0,c060d2be,9c,dbba0) at mi_switch+0x102 > > Does the original poster have a debug kernel built? > Yes I have, but I have no experience with the debugger. I'll be happy to carry out whatever's needed. -- Regards, Terrence Koeman MediaMonks B.V. 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