From owner-freebsd-bugs@FreeBSD.ORG Sun Mar 21 17:20:03 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8F07E1065673 for ; Sun, 21 Mar 2010 17:20:03 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 6BDF88FC17 for ; Sun, 21 Mar 2010 17:20:03 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o2LHK3uQ067106 for ; Sun, 21 Mar 2010 17:20:03 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o2LHK3Lb067105; Sun, 21 Mar 2010 17:20:03 GMT (envelope-from gnats) Resent-Date: Sun, 21 Mar 2010 17:20:03 GMT Resent-Message-Id: <201003211720.o2LHK3Lb067105@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Ryan Steinmetz Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6099F106566B for ; Sun, 21 Mar 2010 17:14:53 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id 4F7F88FC08 for ; Sun, 21 Mar 2010 17:14:53 +0000 (UTC) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id o2LHEqxu031059 for ; Sun, 21 Mar 2010 17:14:52 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id o2LHEquK031058; Sun, 21 Mar 2010 17:14:52 GMT (envelope-from nobody) Message-Id: <201003211714.o2LHEquK031058@www.freebsd.org> Date: Sun, 21 Mar 2010 17:14:52 GMT From: Ryan Steinmetz To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/144929: [lor] vfs_bio.c + ufs_dirhash.c X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 Mar 2010 17:20:03 -0000 >Number: 144929 >Category: kern >Synopsis: [lor] vfs_bio.c + ufs_dirhash.c >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Mar 21 17:20:03 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Ryan Steinmetz >Release: 9.0-CURRENT-201002 >Organization: Rochester Institute of Technology >Environment: FreeBSD box 9.0-CURRENT-201002 FreeBSD 9.0-CURRENT-201002 #0: Fri Feb 12 22:57:16 UTC 2010 root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 >Description: lock order reversal: 1st 0xcd2e2b88 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2559 2nd 0xc3554400 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:285 KDB: stack backtrace: db_trace_self_wrapper(c0ca3e8b,d616074c,c08d7395,c08c7fab,c0ca6d96,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c08c7fab,c0ca6d96,c312efc8,c3132228,d61607a8,...) at kdb_backtrace+0x29 _witness_debugger(c0ca6d96,c3554400,c0cc88f8,c3132228,c0cc857d,...) at _witness_debugger+0x25 witness_checkorder(c3554400,9,c0cc857d,11d,0,...) at witness_checkorder+0x839 _sx_xlock(c3554400,0,c0cc857d,11d,c399cb54,...) at _sx_xlock+0x85 ufsdirhash_acquire(cd2e2b28,ce0e4800,200,ce0e484c,d6160878,...) at ufsdirhash_acquire+0x35 ufsdirhash_add(c399cb54,d61608d0,84c,d6160864,d6160868,...) at ufsdirhash_add+0x13 ufs_direnter(c398a330,c3a23cc0,d61608d0,d6160bd0,0,...) at ufs_direnter+0x729 ufs_makeinode(d6160bd0,0,d6160abc,d6160a18,c0be1d15,...) at ufs_makeinode+0x50d ufs_create(d6160abc,d6160ad4,0,0,d6160ba4,...) at ufs_create+0x30 VOP_CREATE_APV(c0dad960,d6160abc,d6160bd0,d6160a54,0,...) at VOP_CREATE_APV+0xa5 vn_open_cred(d6160ba4,d6160c5c,1a4,0,c3575a00,...) at vn_open_cred+0x215 vn_open(d6160ba4,d6160c5c,1a4,c34e61f8,c0cc99d2,...) at vn_open+0x3b kern_openat(c398db40,ffffff9c,284661f0,0,a02,...) at kern_openat+0x11f kern_open(c398db40,284661f0,0,a01,1a4,...) at kern_open+0x35 open(c398db40,d6160cf8,c0cdac1c,c0ca75e6,c394c000,...) at open+0x30 syscall(d6160d38) at syscall+0x220 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (5, FreeBSD ELF32, open), eip = 0x28342a93, esp = 0xbfbfe89c, ebp = 0xbfbfe8c8 --- >How-To-Repeat: Freshly installed the 9.0-CURRENT snapshot 201002 (under ESXi) and ran 'portsnap fetch extract' and received the LOR message. >Fix: Patch attached with submission follows: Copyright (c) 1992-2010 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 is a registered trademark of The FreeBSD Foundation. FreeBSD 9.0-CURRENT-201002 #0: Fri Feb 12 22:57:16 UTC 2010 root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 WARNING: WITNESS option enabled, expect reduced performance. Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel(R) Xeon(TM) CPU 3.00GHz (3141.72-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf41 Stepping = 1 Features=0xfebfbff Features2=0x80000001> AMD Features=0x100000 TSC: P-state invariant real memory = 536870912 (512 MB) avail memory = 506249216 (482 MB) ACPI APIC Table: MADT: Forcing active-low polarity and level trigger for SCI ioapic0 irqs 0-23 on motherboard kbd1 at kbdmux0 acpi0: on motherboard acpi0: [ITHREAD] acpi0: Power Button (fixed) Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0 cpu0: on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 pcib1: at device 1.0 on pci0 pci1: on pcib1 isab0: at device 7.0 on pci0 isa0: on isab0 atapci0: port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x10c0-0x10cf at device 7.1 on pci0 ata0: on atapci0 ata0: [ITHREAD] ata1: on atapci0 ata1: [ITHREAD] pci0: at device 7.3 (no driver attached) pci0: at device 7.7 (no driver attached) vgapci0: port 0x10d0-0x10df mem 0xd4000000-0xd7ffffff,0xd8000000-0xd87fffff irq 16 at device 15.0 on pci0 mpt0: port 0x1400-0x14ff mem 0xd8820000-0xd883ffff,0xd8800000-0xd881ffff irq 17 at device 16.0 on pci0 mpt0: [ITHREAD] mpt0: MPI Version=1.2.0.0 pcib2: at device 17.0 on pci0 pci2: on pcib2 em0: port 0x2000-0x203f mem 0xd8920000-0xd893ffff,0xd8900000-0xd890ffff irq 18 at device 0.0 on pci2 em0: Memory Access and/or Bus Master bits were not set! em0: [FILTER] em0: Ethernet address: 00:0c:29:c0:ba:dd pcib3: at device 21.0 on pci0 pci3: on pcib3 pcib4: at device 21.1 on pci0 pci4: on pcib4 pcib5: at device 21.2 on pci0 pci5: on pcib5 pcib6: at device 21.3 on pci0 pci6: on pcib6 pcib7: at device 21.4 on pci0 pci7: on pcib7 pcib8: at device 21.5 on pci0 pci8: on pcib8 pcib9: at device 21.6 on pci0 pci9: on pcib9 pcib10: at device 21.7 on pci0 pci10: on pcib10 pcib11: at device 22.0 on pci0 pci11: on pcib11 pcib12: at device 22.1 on pci0 pci12: on pcib12 pcib13: at device 22.2 on pci0 pci13: on pcib13 pcib14: at device 22.3 on pci0 pci14: on pcib14 pcib15: at device 22.4 on pci0 pci15: on pcib15 pcib16: at device 22.5 on pci0 pci16: on pcib16 pcib17: at device 22.6 on pci0 pci17: on pcib17 pcib18: at device 22.7 on pci0 pci18: on pcib18 pcib19: at device 23.0 on pci0 pci19: on pcib19 pcib20: at device 23.1 on pci0 pci20: on pcib20 pcib21: at device 23.2 on pci0 pci21: on pcib21 pcib22: at device 23.3 on pci0 pci22: on pcib22 pcib23: at device 23.4 on pci0 pci23: on pcib23 pcib24: at device 23.5 on pci0 pci24: on pcib24 pcib25: at device 23.6 on pci0 pci25: on pcib25 pcib26: at device 23.7 on pci0 pci26: on pcib26 pcib27: at device 24.0 on pci0 pci27: on pcib27 pcib28: at device 24.1 on pci0 pci28: on pcib28 pcib29: at device 24.2 on pci0 pci29: on pcib29 pcib30: at device 24.3 on pci0 pci30: on pcib30 pcib31: at device 24.4 on pci0 pci31: on pcib31 pcib32: at device 24.5 on pci0 pci32: on pcib32 pcib33: at device 24.6 on pci0 pci33: on pcib33 pcib34: at device 24.7 on pci0 pci34: on pcib34 acpi_acad0: on acpi0 acpi_button0: on acpi0 atrtc0: port 0x70-0x71 irq 8 on acpi0 atkbdc0: port 0x60,0x64 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] atkbd0: [ITHREAD] psm0: irq 12 on atkbdc0 psm0: [GIANT-LOCKED] psm0: [ITHREAD] psm0: model IntelliMouse, device ID 3 ppc0: port 0x378-0x37f irq 7 on acpi0 ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode ppc0: [ITHREAD] ppbus0: on ppc0 plip0: on ppbus0 plip0: [ITHREAD] lpt0: on ppbus0 lpt0: [ITHREAD] lpt0: Interrupt-driven port ppi0: on ppbus0 uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 uart0: [FILTER] uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0 uart1: [FILTER] fdc0: port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0 fdc0: [FILTER] fd0: <1440-KB 3.5" drive> on fdc0 drive 0 pmtimer0 on isa0 orm0: at iomem 0xc0000-0xc7fff,0xca000-0xcafff,0xdc000-0xdffff,0xe0000-0xe3fff pnpid ORM0000 on isa0 sc0: at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 acpi_throttle0: on cpu0 Timecounter "TSC" frequency 3141717412 Hz quality 800 Timecounters tick every 10.000 msec acd0: CDROM at ata1-master UDMA33 da0 at mpt0 bus 0 scbus0 target 0 lun 0 da0: Fixed Direct Access SCSI-2 device da0: 320.000MB/s transfers (160.000MHz, offset 127, 16bit) da0: Command Queueing enabled da0: 10240MB (20971520 512 byte sectors: 255H 63S/T 1305C) WARNING: WITNESS option enabled, expect reduced performance. Trying to mount root from ufs:/dev/da0s1a lock order reversal: 1st 0xcd2e2b88 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2559 2nd 0xc3554400 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:285 KDB: stack backtrace: db_trace_self_wrapper(c0ca3e8b,d616074c,c08d7395,c08c7fab,c0ca6d96,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c08c7fab,c0ca6d96,c312efc8,c3132228,d61607a8,...) at kdb_backtrace+0x29 _witness_debugger(c0ca6d96,c3554400,c0cc88f8,c3132228,c0cc857d,...) at _witness_debugger+0x25 witness_checkorder(c3554400,9,c0cc857d,11d,0,...) at witness_checkorder+0x839 _sx_xlock(c3554400,0,c0cc857d,11d,c399cb54,...) at _sx_xlock+0x85 ufsdirhash_acquire(cd2e2b28,ce0e4800,200,ce0e484c,d6160878,...) at ufsdirhash_acquire+0x35 ufsdirhash_add(c399cb54,d61608d0,84c,d6160864,d6160868,...) at ufsdirhash_add+0x13 ufs_direnter(c398a330,c3a23cc0,d61608d0,d6160bd0,0,...) at ufs_direnter+0x729 ufs_makeinode(d6160bd0,0,d6160abc,d6160a18,c0be1d15,...) at ufs_makeinode+0x50d ufs_create(d6160abc,d6160ad4,0,0,d6160ba4,...) at ufs_create+0x30 VOP_CREATE_APV(c0dad960,d6160abc,d6160bd0,d6160a54,0,...) at VOP_CREATE_APV+0xa5 vn_open_cred(d6160ba4,d6160c5c,1a4,0,c3575a00,...) at vn_open_cred+0x215 vn_open(d6160ba4,d6160c5c,1a4,c34e61f8,c0cc99d2,...) at vn_open+0x3b kern_openat(c398db40,ffffff9c,284661f0,0,a02,...) at kern_openat+0x11f kern_open(c398db40,284661f0,0,a01,1a4,...) at kern_open+0x35 open(c398db40,d6160cf8,c0cdac1c,c0ca75e6,c394c000,...) at open+0x30 syscall(d6160d38) at syscall+0x220 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (5, FreeBSD ELF32, open), eip = 0x28342a93, esp = 0xbfbfe89c, ebp = 0xbfbfe8c8 --- >Release-Note: >Audit-Trail: >Unformatted: