From owner-freebsd-current@FreeBSD.ORG Tue Nov 25 16:38:45 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 D7D0316A4CE for ; Tue, 25 Nov 2003 16:38:45 -0800 (PST) Received: from dmz2.unixjunkie.com (adsl-65-70-175-250.dsl.rcsntx.swbell.net [65.70.175.250]) by mx1.FreeBSD.org (Postfix) with ESMTP id 38A5643FB1 for ; Tue, 25 Nov 2003 16:38:40 -0800 (PST) (envelope-from strgout@unixjunkie.com) Received: from mail.unixjunkie.com (mail [10.253.254.36]) by dmz2.unixjunkie.com (8.12.8p2/8.12.8) with ESMTP id hAQ15aGf097678 for ; Tue, 25 Nov 2003 19:05:36 -0600 (CST) (envelope-from strgout@mail.unixjunkie.com) Received: from mail.unixjunkie.com (mail [10.253.254.36]) by mail.unixjunkie.com (8.12.8p2/8.12.8) with ESMTP id hAQ15amf097675 for ; Tue, 25 Nov 2003 19:05:36 -0600 (CST) (envelope-from strgout@mail.unixjunkie.com) Received: (from strgout@localhost) by mail.unixjunkie.com (8.12.8p2/8.12.8/Submit) id hAQ15aCK097674 for freebsd-current@freebsd.org; Tue, 25 Nov 2003 19:05:36 -0600 (CST) (envelope-from strgout) Date: Tue, 25 Nov 2003 19:05:36 -0600 From: John To: freebsd-current@freebsd.org Message-ID: <20031126010535.GA97647@mail.unixjunkie.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4i Subject: lock order reversal X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Wed, 26 Nov 2003 00:38:46 -0000 i was just looking through my daily reports from my new 5.2 beta box and found this in dmesg. lock order reversal 1st 0xc08f7ce0 UMA lock (UMA lock) @ /usr/src/sys/vm/uma_core.c:1201 2nd 0xc1031100 system map (system map) @ /usr/src/sys/vm/vm_map.c:2210 Stack backtrace: lock order reversal 1st 0xc214c948 vm object (vm object) @ /usr/src/sys/vm/swap_pager.c:1323 2nd 0xc08f7160 swap_pager swhash (swap_pager swhash) @ /usr/src/sys/vm/swap_pager.c:1838 3rd 0xc10358c4 vm object (vm object) @ /usr/src/sys/vm/uma_core.c:876 Stack backtrace: I went back through /var/log/messages and found more, looks like it started around nov12 This box isn't really being used for much. It was a test box for mysql 4.0.15 and is a nfs server (no rpc.lockd running) Nov 12 01:36:40 nfs kernel: lock order reversal Nov 12 01:36:40 nfs kernel: 1st 0xc211f818 vm object (vm object) @ /usr/src/sys/vm/swap_pager.c:1323 Nov 12 01:36:40 nfs kernel: 2nd 0xc08ed180 swap_pager swhash (swap_pager swhash) @ /usr/src/sys/vm/swap_pager.c:1838 Nov 12 01:36:40 nfs kernel: 3rd 0xc103440c vm object (vm object) @ /usr/src/sys/vm/uma_core.c:876 Nov 12 01:36:40 nfs kernel: Stack backtrace: Nov 23 21:48:19 nfs kernel: lock order reversal Nov 23 21:48:19 nfs kernel: 1st 0xc08f7ce0 UMA lock (UMA lock) @ /usr/src/sys/vm/uma_core.c:1201 Nov 23 21:48:19 nfs kernel: 2nd 0xc1031100 system map (system map) @ /usr/src/sys/vm/vm_map.c:2210 Nov 23 21:48:19 nfs kernel: Stack backtrace: Nov 23 21:51:19 nfs kernel: lock order reversal Nov 23 21:51:19 nfs kernel: 1st 0xc2154294 vm object (vm object) @ /usr/src/sys/vm/swap_pager.c:1323 Nov 23 21:51:19 nfs kernel: 2nd 0xc08f7160 swap_pager swhash (swap_pager swhash) @ /usr/src/sys/vm/swap_pager.c:1838 Nov 23 21:51:19 nfs kernel: 3rd 0xc10358c4 vm object (vm object) @ /usr/src/sys/vm/uma_core.c:876 Nov 23 21:51:19 nfs kernel: Stack backtrace: Nov 24 03:03:52 nfs kernel: lock order reversal Nov 24 03:03:52 nfs kernel: 1st 0xc08f7ce0 UMA lock (UMA lock) @ /usr/src/sys/vm/uma_core.c:1201 Nov 24 03:03:52 nfs kernel: 2nd 0xc1031100 system map (system map) @ /usr/src/sys/vm/vm_map.c:2210 Nov 24 03:03:52 nfs kernel: Stack backtrace: here is my whole dmesg. Copyright (c) 1992-2003 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 5.2-BETA #0: Sun Nov 23 19:35:06 CST 2003 root@nfs.unixjunkie.com:/usr/obj/usr/src/sys/GENERIC Preloaded elf kernel "/boot/kernel/kernel" at 0xc09e0000. Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Pentium/P55C (232.67-MHz 586-class CPU) Origin = "GenuineIntel" Id = 0x543 Stepping = 3 Features=0x8001bf real memory = 134217728 (128 MB) avail memory = 120754176 (115 MB) Intel Pentium detected, installing workaround for F00F bug ACPI-0159: *** Error: AcpiLoadTables: Could not get RSDP, AE_NO_ACPI_TABLES ACPI-0213: *** Error: AcpiLoadTables: Could not load tables: AE_NO_ACPI_TABLES ACPI: table load failed: AE_NO_ACPI_TABLES npx0: [FAST] npx0: on motherboard npx0: INT 16 interface pcibios: BIOS version 2.10 pcib0: at pcibus 0 on motherboard pci0: on pcib0 isab0: at device 7.0 on pci0 isa0: on isab0 atapci0: port 0xffa0-0xffaf at device 7.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata0: [MPSAFE] ata1: at 0x170 irq 15 on atapci0 ata1: [MPSAFE] pci0: at device 8.0 (no driver attached) bt0: port 0xfff4-0xfff7 mem 0xfff7f000-0xfff7ffff irq 10 at device 17.0 on pci0 bt0: BT-958 FW Rev. 5.07B Ultra Wide SCSI Host Adapter, SCSI ID 7, 192 CCBs de0: port 0xf880-0xf8ff mem 0xfff7ec00-0xfff7ec7f irq 9 at device 19.0 on pci0 de0: SMC 9332BDT 21140A [10-100Mb/s] pass 2.2 de0: address 00:e0:29:00:b1:c2 orm0: