From owner-freebsd-current@FreeBSD.ORG Thu Nov 27 15:01:48 2003 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 6563616A4CE for ; Thu, 27 Nov 2003 15:01:48 -0800 (PST) Received: from main.gmane.org (main.gmane.org [80.91.224.249]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8DA4343FE3 for ; Thu, 27 Nov 2003 15:01:45 -0800 (PST) (envelope-from freebsd-current@m.gmane.org) Received: from list by main.gmane.org with local (Exim 3.35 #1 (Debian)) id 1APV8p-0002WU-00 for ; Fri, 28 Nov 2003 00:01:43 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-current@freebsd.org Received: from sea.gmane.org ([80.91.224.252]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1APV8o-0002WM-00 for ; Fri, 28 Nov 2003 00:01:42 +0100 Received: from news by sea.gmane.org with local (Exim 3.35 #1 (Debian)) id 1APV8o-0008Sn-00 for ; Fri, 28 Nov 2003 00:01:42 +0100 From: Jesse Guardiani Date: Thu, 27 Nov 2003 18:01:39 -0500 Organization: WingNET Lines: 38 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Complaints-To: usenet@sea.gmane.org User-Agent: KNode/0.7.2 X-Mail-Copies-To: never Sender: news Subject: LOR w/5.2-BETA X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: jesse@wingnet.net List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Nov 2003 23:01:48 -0000 I got this LOR today after upgrading my IBM Thinkpad A30p from 5.1-RELEASE to 5.2-BETA: lock order reversal 1st 0xc43d8ad4 vm object (vm object) @ /usr/src/sys/vm/swap_pager.c:1323 2nd 0xc098cf60 swap_pager swhash (swap_pager swhash) @ /usr/src/sys/vm/swap_pag er.c:1838 3rd 0xc10368c4 vm object (vm object) @ /usr/src/sys/vm/uma_core.c:876 Stack backtrace: backtrace(c089b8b5,c10368c4,c08afa80,c08afa80,c08b0961) at backtrace+0x17 witness_lock(c10368c4,8,c08b0961,36c,c3c7da80) at witness_lock+0x672 _mtx_lock_flags(c10368c4,0,c08b0961,36c,c3c7da94) at _mtx_lock_flags+0xba obj_alloc(c3c7da80,1000,d2a6ba03,101,c095b220) at obj_alloc+0x3f slab_zalloc(c3c7da80,1,8,c08b0961,68c) at slab_zalloc+0xb3 uma_zone_slab(c3c7da80,1,c08b0961,68c,c3c7db20) at uma_zone_slab+0xd6 uma_zalloc_internal(c3c7da80,0,1,5c1,c08ae87a,72e) at uma_zalloc_internal+0x3e uma_zalloc_arg(c3c7da80,0,1,72e,2) at uma_zalloc_arg+0x3ab swp_pager_meta_build(c43d8ad4,19,0,2,0) at swp_pager_meta_build+0x174 swap_pager_putpages(c43d8ad4,d2a6bbd0,1,0,d2a6bb40) at swap_pager_putpages+0x32d default_pager_putpages(c43d8ad4,d2a6bbd0,1,0,d2a6bb40) at default_pager_putpages +0x2e vm_pageout_flush(d2a6bbd0,1,0,eb,0) at vm_pageout_flush+0x17a vm_pageout_clean(c160b7a8,0,c08b077c,32a,0) at vm_pageout_clean+0x305 vm_pageout_scan(0,0,c08b077c,5a9,1f4) at vm_pageout_scan+0x64c vm_pageout(0,d2a6bd48,c0895fd8,311,0) at vm_pageout+0x31b fork_exit(c07e7e60,0,d2a6bd48) at fork_exit+0xb4 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xd2a6bd7c, ebp = 0 --- -- Jesse Guardiani, Systems Administrator WingNET Internet Services, P.O. Box 2605 // Cleveland, TN 37320-2605 423-559-LINK (v) 423-559-5145 (f) http://www.wingnet.net