From owner-freebsd-current@FreeBSD.ORG Sat Dec 10 17:24:14 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 83CD816A41F for ; Sat, 10 Dec 2005 17:24:14 +0000 (GMT) (envelope-from mcsi@mcsi.pp.ru) Received: from portpc-design.spb.ru (portpc-design.spb.ru [81.176.64.110]) by mx1.FreeBSD.org (Postfix) with ESMTP id DFA1A43D53 for ; Sat, 10 Dec 2005 17:24:10 +0000 (GMT) (envelope-from mcsi@mcsi.pp.ru) Received: from [85.140.159.33] (ppp85-140-159-33.pppoe.mtu-net.ru [85.140.159.33]) (authenticated bits=0) by portpc-design.spb.ru (8.13.5/8.13.5) with ESMTP id jBAHO6GF014691; Sat, 10 Dec 2005 20:24:07 +0300 (MSK) (envelope-from mcsi@mcsi.pp.ru) Message-ID: <439B0F32.1060201@mcsi.pp.ru> Date: Sat, 10 Dec 2005 20:24:02 +0300 From: Maxim Maximov User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20051204 X-Accept-Language: ru, en-us, en MIME-Version: 1.0 To: Ariff Abdullah References: <439AF7C0.9060801@mcsi.pp.ru> <20051211011355.4b0b3f78.skywizard@MyBSD.org.my> In-Reply-To: <20051211011355.4b0b3f78.skywizard@MyBSD.org.my> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV version 0.87.1, clamav-milter version 0.87 on 81.176.64.226 X-Virus-Status: Clean Cc: current@freebsd.org Subject: Re: LOR in pcm 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: Sat, 10 Dec 2005 17:24:14 -0000 Ariff Abdullah wrote: > On Sat, 10 Dec 2005 18:44:00 +0300 > Maxim Maximov wrote: > >>Hi all. >> >> Got this on SMP CURRENT from Sun Dec 4 22:06:46 MSK 2005. >> I have no recording devices, FWIW. >> >>lock order reversal: >> 1st 0xc35884c0 pcm0 (sound cdev) @ >> /usr/src/sys/dev/sound/pcm/dsp.c:277 2nd 0xc3562ac0 pcm0:record:0 >> (pcm record channel) @ >>/usr/src/sys/dev/sound/pcm/dsp.c:290 >>KDB: stack backtrace: >>kdb_backtrace(0,ffffffff,c09a4d28,c09a4cb0,c0929504) at >>kdb_backtrace+0x29 witness_checkorder(c3562ac0,9,c08ab43d,122) at >>witness_checkorder+0x580 >>_mtx_lock_flags(c3562ac0,0,c08ab43del22,1) at >>_mtx_lock_flags+0x5b dsp_open(c3586c00,7,2000,c436cc00,c0995100) at >>dsp_open+0x2b2 giant_open(c3586c00,7,2000,c436cc00,c3586c00) at >>giant_open+0x30 devfs_open(db324a18) at devfs_open+0x223 >>VOP_OPEN_APV(c0921cc0,db324a18) at VOP_OPEN_APV+0x7e >>vn_open_cred(db324b70,db324c70,468,c3ee6b80,43) at >>vn_open_cred+0x448 vn_open(db324b70,db324c70,468,43,c09e2ad0) at >>vn_open+0x1e kern_open(c436cc00,15696050,0,7,bfbf6478) at >>kern_open+0xb6 open(c436cc00,db324d04,86,c06acb33,c436cc00) at >>open+0x1a syscall(14da003b,bf2f003b,bf2f003b,bfbf6488,15696050) at >>syscall+0x27e Xint0x80_syscall() at Xint0x80_syscall+0x1f --- >>syscall (5, FreeBSD ELF32, open), eip = 0x28a70b5f, esp = >>0xbfbf644c, ebp = 0xbfbf6478 --- > > > I believe this is during playback startup, right? I'm sorry, I'm not sure. I noticed it after a while. > If so, just ignore > it for a while, it is quite harmless (although a bit annoying). I'll > fix it alltogether hopefully before new year. Thanks! -- Maxim Maximov