From owner-freebsd-current@FreeBSD.ORG Fri Jul 1 18:07:21 2005 Return-Path: X-Original-To: freebsd-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 1AAB116A41C for ; Fri, 1 Jul 2005 18:07:21 +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 CAF0F43D1F for ; Fri, 1 Jul 2005 18:07:20 +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 56B5D1FFACE; Fri, 1 Jul 2005 20:07:18 +0200 (CEST) Received: by transport.cksoft.de (Postfix, from userid 66) id F2D261FFACD; Fri, 1 Jul 2005 20:07:15 +0200 (CEST) Received: by mail.int.zabbadoz.net (Postfix, from userid 1060) id B2078155EB; Fri, 1 Jul 2005 18:05:41 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.int.zabbadoz.net (Postfix) with ESMTP id AF75E15384; Fri, 1 Jul 2005 18:05:41 +0000 (UTC) Date: Fri, 1 Jul 2005 18:05:41 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@e0-0.zab2.int.zabbadoz.net To: Roman Kurakin In-Reply-To: <42C55974.5010505@cronyx.ru> Message-ID: References: <42C55974.5010505@cronyx.ru> 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@freebsd.org Subject: Re: LOR-050701 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: Fri, 01 Jul 2005 18:07:21 -0000 On Fri, 1 Jul 2005, Roman Kurakin wrote: > Hi, > > It seems that I have a new one LOR. Observed with yesterday current. > Sorry I can post only images for now: > > http://www.cronyx.ru/~rik/freebsd/lor/img_0831s.jpg > http://www.cronyx.ru/~rik/freebsd/lor/img_0832s.jpg > > I hope this would be useful either. If I will have a time I'll produce a > txt file, but > I can't promise. no need to do anymore though I think the LOR might be a false positive resulting from trap... See LOR 106 on "the LOR page": http://sources.zabbadoz.net/freebsd/lor.html#106 And that should be about what's on the pictures w/o thre Fatal trap 12 while in kernel mode... lock order reversal 1st 0xc1061084 system map (system map) @ sys/vm/vm_map.c:2997 2nd 0xc0915a24 user map (user map) @ sys/vm/vm_map.c:2997 KDB: stack backtrace: kdb_backtrace(0,ffffffff,c09286d8,c0928480,c08b45cc) at kdb_backtrace+0x29 witness_checkorder(c0915a24,9,c086a1f1,bb5) at witness_checkorder+0x564 _sx_xlock(c0915a1f1,bb5) at _sx_lock+0x50 _vm_map_lock_read(c09159e0,c086a1f1,bb5,10000004,c132a868) at _vm_map_lock_read+0x37 vm_map_lookup(c7d8a994,0,1,c7d8a998,c7d8a988) at vm_map_lookup+0x28 vm_fault(c09159e0,0,1,0,c12fe480) at vm_fault+0x66 trap_pfault(c7d8aa5c,0,5a) at trap_fault+0xee trap(c0090008,c7d80028,2070028,2,c132a800) at trap+0x33d calltrap() at calltrap+0x5 --- trap 0xc, eip = 0xc077d4bf, esp = 0xc7d8aa9c, ebp = 0xc7d8ab68 --- vm_fault(c1061000,c009e000,2,0,c12fe480) at vm_fault+0x1e3 trap_pfault(c7d8abd4,0,c009effe) at trap_pfault+0x137 trap(c12f0008,bcf20028,c1320028,c009effe,c12aaffe) at trap+0x33d calltrap() at calltrap+0x5 --- trap 0xc, eip = 0xc07e647d, esp = 0xc7d8ac14, ebp = 0xc7d8ac34 --- generic_bcopy(c0991308,7cf,c09912ec,7cf,fffff832) at gener_bcopy+0x41 vga_txtdraw(c09912e0,7cf,fffff832,0) at vga_txtdraw+0xbe scrn_update(c09912e0,1) at scrn_update+0x22d scrn_timer(c09997e60) at scrn_timer+0x1f4 softclock(0) at softclock+0x1e7 ithread_loop(c1329480,c7d8ad38,c1329480,c061b418,0) at ithread_loop+0x11c fork_exit(c061b418,c1329480,c7d8ad38) at fork_exit+0xa0 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xc7d8ad6c, ebp = 0 --- -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT