From owner-freebsd-bugs Tue Apr 1 15:20:06 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id PAA11991 for bugs-outgoing; Tue, 1 Apr 1997 15:20:06 -0800 (PST) Received: (from gnats@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id PAA11969; Tue, 1 Apr 1997 15:20:03 -0800 (PST) Resent-Date: Tue, 1 Apr 1997 15:20:03 -0800 (PST) Resent-Message-Id: <199704012320.PAA11969@freefall.freebsd.org> Resent-From: gnats (GNATS Management) Resent-To: freebsd-bugs Resent-Reply-To: FreeBSD-gnats@freefall.FreeBSD.org, Received:"from bunyip.cc.uq.edu.au (daemon@bunyip.cc.uq.edu.au [130.102.2.1]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id PAA11619 for" ; Tue, 1 Apr 1997 15:17:30.-0800 (PST) Received: (from daemon@localhost) by bunyip.cc.uq.edu.au (8.8.5/8.8.5) id JAA24200; Wed, 2 Apr 1997 09:17:27 +1000 Received: from maya.devetir.qld.gov.au by ogre.dtir.qld.gov.au (8.7.5/DEVETIR-E0.3a) with ESMTP id JAA01349; Wed, 2 Apr 1997 09:13:43 +1000 (EST) Received: from netfl15a.devetir.qld.gov.au (netfl15a.devetir.qld.gov.au [167.123.24.12]) by maya.devetir.qld.gov.au (8.8.5/8.8.5) with SMTP id JAA02760; Wed, 2 Apr 1997 09:09:09 +1000 (EST) Received: from localhost by netfl15a.devetir.qld.gov.au (8.6.8.1/DEVETIR-0.1) id XAA21873; Tue, 1 Apr 1997 23:12:39 GMT Message-Id: <199704012312.XAA21873@netfl15a.devetir.qld.gov.au> Date: Wed, 02 Apr 1997 09:12:36 +1000 From: Stephen Hocking To: FreeBSD-gnats-submit@freebsd.org Cc: toor@dyson.iquest.net Subject: kern/3168: Panic: lockmgr: locking against myself Sender: owner-bugs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >Number: 3168 >Category: kern >Synopsis: Machine crashes when starting X or xdm >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Apr 1 15:20:02 PST 1997 >Last-Modified: >Originator: S Hocking >Organization: Only occasional >Release: FreeBSD 3.0-CURRENT i386 >Environment: ctm src-cur 2828, started at src-cur 2827 Copyright (c) 1992-1997 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 3.0-CURRENT #0: Wed Apr 2 08:26:57 EST 1997 toor@priapus.devetir.qld.gov.au:/usr/src/sys/compile/priapus CPU: AMD Unknown (486-class CPU) Origin = "AuthenticAMD" Id = 0x494 Stepping=4 Features=0x1 real memory = 25165824 (24576K bytes) avail memory = 22388736 (21864K bytes) bdevsw_add_generic: adding D_DISK flag for device 15 Probing for devices on PCI bus 0: chip0 rev 0 on pci0:0:0 vga0 rev 84 int a irq 9 on pci0:5:0 Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <16 virtual consoles, flags=0x0> ed0 at 0x280-0x29f irq 10 maddr 0xd8000 msize 8192 on isa ed0: address 00:00:c0:44:73:ec, type SMC8416T (16 bit) lpt0 at 0x378-0x37f irq 7 on isa lpt0: Interrupt-driven port lp0: TCP/IP capable interface sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A pca0 on isa pca0: PC speaker audio driver wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff80ff on isa wdc0: unit 0 (wd0): , 32-bit, multi-block-16 wd0: 407MB (833664 sectors), 1002 cyls, 16 heads, 52 S/T, 512 B/S wdc0: unit 1 (wd1): , 32-bit, multi-block-32 wd1: 813MB (1665216 sectors), 1652 cyls, 16 heads, 63 S/T, 512 B/S aha0 at 0x330-0x333 irq 11 drq 6 on isa scbus0 at aha0 bus 0 sd0 at scbus0 target 0 lun 0 sd0: type 0 fixed SCSI 1 sd0: Direct-Access 323MB (663476 512 byte sectors) cd0 at scbus0 target 2 lun 0 cd0: type 5 removable SCSI 2 cd0: CD-ROM can't get the size st0 at scbus0 target 4 lun 0 st0: type 1 removable SCSI 1 st0: Sequential-Access density code 0x0, drive empty fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 765 fd0: 1.44MB 3.5in npx0 on motherboard npx0: INT 16 interface >Description: Machine panics with "lockmgr: locking against myself" Backtrace as follows - #0 0xf010e73e in boot () #1 0xf010ea2a in panic () #2 0xf0109a87 in lockmgr () #3 0xf01af0f1 in ufs_lock () #4 0xf0136bb4 in vn_lock () #5 0xf0130c5b in vputrele () #6 0xf0130cbe in vrele () #7 0xf01be229 in vnode_pager_dealloc () #8 0xf01bd5a6 in vm_pager_deallocate () #9 0xf01b8e27 in vm_object_terminate () #10 0xf01b8c27 in vm_object_deallocate () #11 0xf0130b70 in vputrele () #12 0xf0130cbe in vrele () #13 0xf0106b8b in execve () #14 0xf01c9ec6 in syscall () #15 0x813ae71 in ?? () #16 0x1920 in ?? () #17 0x22ad in ?? () #18 0x1d97 in ?? () #19 0x1096 in ?? () >How-To-Repeat: Use startx to start the Xserver, or have the Xserver started by xdm. >Fix: Unknown. (Why can't a process lock the same region repeatedly?) -- The views expressed above are not those of WorkCover Queensland, Australia. "We've heard that a million monkeys at a million keyboards could produce the Complete Works of Shakespeare; now, thanks to the Internet, we know this is not true." Robert Wilensky, University of California >Audit-Trail: >Unformatted: