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Date: Sat, 23 Feb 2008 13:09:40 GMT
From: "Bas v.d. Wiel" <bas@kompasmedia.nl>
To: freebsd-gnats-submit@FreeBSD.org
Subject: System crashes when manipulating fs snapshots
X-Send-Pr-Version: www-3.1
X-GNATS-Notify:

>Number:         120991
>Category:       kern
>Synopsis:       [panic] [ffs] [snapshot] System crashes when manipulating fs snapshots
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    jh
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Feb 23 13:20:01 UTC 2008
>Closed-Date:    Sun Jul 03 07:37:10 UTC 2011
>Last-Modified:  Sun Jul 03 07:37:10 UTC 2011
>Originator:     Bas v.d. Wiel
>Release:        6.3
>Organization:
>Environment:
FreeBSD server.extranet.kompasmedia.nl 6.3-RELEASE FreeBSD 6.3-RELEASE #16: Thu Feb 14 23:15:28 CET 2008     bas@server.extranet.kompasmedia.nl:/usr/obj/usr/src/sys/SERVER  i386
>Description:
System appears to almost completely freeze when creating a filesystem
snapshot and simultaneously attempting to write to the disk. I say 'almost'
because I can still switch between VTY's with alt-Fx keystrokes, but that's
all the system will allow me to do. Any running processes appear to simply
freeze, the system doesn't seem to accept any keyboard input other than
the VTY switching and all network connectivity fails. However the wireless
network that I'm hosting from this server using hostapd seems to keep
transmitting at least its name. Clients see the network, but it's impossible
to connect to it. There are no error messages when this freeze occurs, nor
is anything logged.

The filesystem is UFS2 with of course soft updates on. It's a 750GB
filesystem on a hardware RAID5 array using a HighPoint 1740 PCI SATA
RAID controller and HighPoint's FreeBSD 6 drivers (rr1740).
>How-To-Repeat:
Start creating a filesystem snapshot
While the disk is churning away, create a new file from another terminal
using 'touch' or any other method.
>Fix:


>Release-Note:
>Audit-Trail:

From: Volker <volker@vwsoft.com>
To: bug-followup@FreeBSD.org, bas@kompasmedia.nl
Cc:  
Subject: Re: i386/120991: System crashes when manipulating fs snapshots
Date: Sat, 23 Feb 2008 19:37:37 +0100

 Bas,
 
 I'm wondering if you mind to show us your kernel config?
 
 A dmesg will also not disturb anybody.
 
 Please note, there have been some issues with HighPoint controllers
 under 7.0 lately and it might be a similar issue you're seeing (but that
 is beyond my view currently as I'm not following hardware specific
 threads if I don't have that hardware).
 
 If there's nothing wrong with your custom kernel config, I think it
 might make sense to have a WITNESS enabled kernel and performance
 measurement probably needs to be done, if the maintainers are not
 already aware of such problems.
 
 Thanks!
State-Changed-From-To: open->feedback 
State-Changed-By: gavin 
State-Changed-When: Sat Feb 23 18:48:52 UTC 2008 
State-Changed-Why:  
Submitter was asked for feedback 

http://www.freebsd.org/cgi/query-pr.cgi?pr=120991 

From: Volker <volker@vwsoft.com>
To: bug-followup@FreeBSD.org, bas@kompasmedia.nl
Cc:  
Subject: Re: i386/120991: System crashes when manipulating fs snapshots
Date: Sat, 23 Feb 2008 19:49:05 +0100

 Bas,
 
 sorry, I've forgotten one thing: If your system is really freezing and
 never comes back to life (this is what I'm able to imagine from your
 PR), can you please check if you can break into debugger when that
 occurs and create a backtrace?
 
 If you can't break into debugger, please try running with a WITNESS
 enabled kernel and post the WITNESS output (if any).
 
 Otherwise please clarify what "system crashes" you're really experiencing.
 
 Thanks!

From: "Bas v.d. Wiel" <bas@kompasmedia.nl>
To: bug-followup@FreeBSD.org, bas@kompasmedia.nl
Cc:  
Subject: Re: i386/120991: System crashes when manipulating fs snapshots
Date: Sat, 23 Feb 2008 19:51:17 +0100

 This is a multi-part message in MIME format.
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 Hello Volker,
 You'll find the dmesg output and kernel config in the attached files. I 
 know nothing about WITNESS but if you tell me what to do, I'll let you 
 know the results..
 
 Bas
 
 --------------000302090007040603050408
 Content-Type: text/plain;
  name="dmesg.txt"
 Content-Transfer-Encoding: 7bit
 Content-Disposition: inline;
  filename="dmesg.txt"
 
 Copyright (c) 1992-2008 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 6.3-RELEASE #16: Thu Feb 14 23:15:28 CET 2008
     bas@server.extranet.kompasmedia.nl:/usr/obj/usr/src/sys/SERVER
 Timecounter "i8254" frequency 1193182 Hz quality 0
 CPU: AMD Athlon(TM) XP 2000+ (1666.74-MHz 686-class CPU)
   Origin = "AuthenticAMD"  Id = 0x662  Stepping = 2
   Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
   AMD Features=0xc0400800<SYSCALL,MMX+,3DNow!+,3DNow!>
 real memory  = 536854528 (511 MB)
 avail memory = 511733760 (488 MB)
 ACPI APIC Table: <ASUS   A7V8X-X >
 ioapic0: Changing APIC ID to 2
 ioapic0 <Version 0.3> irqs 0-23 on motherboard
 wlan: mac acl policy registered
 kbd1 at kbdmux0
 ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
 rr1740: RocketRAID 1740 controller driver v1.0 (Jul 26 2006 17:30:07)
 acpi0: <ASUS A7V8X-X> on motherboard
 acpi0: Power Button (fixed)
 Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
 acpi_timer0: <32-bit timer at 3.579545MHz> port 0xe408-0xe40b on acpi0
 cpu0: <ACPI CPU> on acpi0
 acpi_button0: <Power Button> on acpi0
 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
 pci0: <ACPI PCI bus> on pcib0
 agp0: <VIA 8377 (Apollo KT400/KT400A/KT600) host to PCI bridge> mem 0xfe000000-0xfe7fffff at device 0.0 on pci0
 pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
 pci1: <ACPI PCI bus> on pcib1
 nvidia0: <GeForce4 MX 4000> mem 0xee000000-0xeeffffff,0xf0000000-0xf7ffffff irq 16 at device 0.0 on pci1
 nvidia0: [GIANT-LOCKED]
 rl0: <RealTek 8139 10/100BaseTX> port 0xd800-0xd8ff mem 0xed800000-0xed8000ff at device 13.0 on pci0
 miibus0: <MII bus> on rl0
 rlphy0: <RealTek internal media interface> on miibus0
 rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 rl0: Ethernet address: 00:0e:2e:98:6a:dd
 ath0: <Atheros 5212> mem 0xed000000-0xed00ffff at device 14.0 on pci0
 ath0: Ethernet address: 00:13:f7:0f:12:7d
 ath0: mac 7.8 phy 4.5 radio 5.6
 uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f at device 16.0 on pci0
 uhci0: [GIANT-LOCKED]
 usb0: <VIA 83C572 USB controller> on uhci0
 usb0: USB revision 1.0
 uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub0: 2 ports with 2 removable, self powered
 uhci1: <VIA 83C572 USB controller> port 0xd000-0xd01f at device 16.1 on pci0
 uhci1: [GIANT-LOCKED]
 usb1: <VIA 83C572 USB controller> on uhci1
 usb1: USB revision 1.0
 uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub1: 2 ports with 2 removable, self powered
 uhci2: <VIA 83C572 USB controller> port 0xb800-0xb81f at device 16.2 on pci0
 uhci2: [GIANT-LOCKED]
 usb2: <VIA 83C572 USB controller> on uhci2
 usb2: USB revision 1.0
 uhub2: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub2: 2 ports with 2 removable, self powered
 ehci0: <VIA VT6202 USB 2.0 controller> mem 0xec800000-0xec8000ff at device 16.3 on pci0
 ehci0: [GIANT-LOCKED]
 usb3: EHCI version 1.0
 usb3: companion controllers, 2 ports each: usb0 usb1 usb2
 usb3: <VIA VT6202 USB 2.0 controller> on ehci0
 usb3: USB revision 2.0
 uhub3: VIA EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
 uhub3: 6 ports with 6 removable, self powered
 isab0: <PCI-ISA bridge> at device 17.0 on pci0
 isa0: <ISA bus> on isab0
 atapci0: <VIA 8235 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xb400-0xb40f at device 17.1 on pci0
 ata0: <ATA channel 0> on atapci0
 ata1: <ATA channel 1> on atapci0
 vr0: <VIA VT6102 Rhine II 10/100BaseTX> port 0xb000-0xb0ff mem 0xec000000-0xec0000ff at device 18.0 on pci0
 vr0: Quirks: 0x0
 miibus1: <MII bus> on vr0
 rlphy1: <RTL8201L 10/100 media interface> on miibus1
 rlphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 vr0: Ethernet address: 00:11:2f:51:8a:71
 rr17400: <sx508x> port 0xa800-0xa8ff mem 0xeb800000-0xeb8fffff irq 18 at device 19.0 on pci0
 rr1740: adapter at PCI 0:19:0, IRQ 18
 fdc0: <floppy drive controller> port 0x3f2-0x3f5,0x3f7 irq 6 drq 2 on acpi0
 fdc0: [FAST]
 fd0: <1440-KB 3.5" drive> on fdc0 drive 0
 atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
 atkbd0: <AT Keyboard> irq 1 on atkbdc0
 kbd0 at atkbd0
 atkbd0: [GIANT-LOCKED]
 psm0: <PS/2 Mouse> irq 12 on atkbdc0
 psm0: [GIANT-LOCKED]
 psm0: model Generic PS/2 mouse, device ID 0
 pmtimer0 on isa0
 orm0: <ISA Option ROMs> at iomem 0xc0000-0xcf7ff,0xd0000-0xd7fff on isa0
 sc0: <System console> at flags 0x100 on isa0
 sc0: VGA <16 virtual consoles, flags=0x300>
 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
 ppc0: parallel port not found.
 sio0: configured irq 4 not in bitmap of probed irqs 0
 sio0: port may not be enabled
 sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
 sio0: type 8250 or not responding
 sio1: configured irq 3 not in bitmap of probed irqs 0
 sio1: port may not be enabled
 ulpt0: HewLett Packard HP LaserJet 1200, rev 1.10/1.00, addr 2, iclass 7/1
 ulpt0: using bi-directional mode
 Timecounter "TSC" frequency 1666739356 Hz quality 800
 Timecounters tick every 1.000 msec
 IP Filter: v4.1.28 initialized.  Default = pass all, Logging = disabled
 ipfw2 initialized, divert enabled, rule-based forwarding disabled, default to deny, logging limited to 10 packets/entry by default
 rr1740: start channel [0,0]
 rr1740: start channel [0,1]
 rr1740: start channel [0,2]
 rr1740: start channel [0,3]
 rr1740: channel [0,0] started successfully
 rr1740: channel [0,1] started successfully
 rr1740: channel [0,2] started successfully
 rr1740: channel [0,3] started successfully
 rr17400: [GIANT-LOCKED]
 ad0: 38166MB <WDC WD400JB-00JJC0 05.01C05> at ata0-master UDMA100
 acd0: DVDR <HL-DT-ST DVDRAM GSA-4082B/A204> at ata1-master UDMA33
 da0 at rr17400 bus 0 target 0 lun 0
 da0: <HPT DISK 0_0 4.00> Fixed Direct Access SCSI-0 device 
 da0: 715200MB (1464729600 512 byte sectors: 255H 63S/T 91175C)
 Trying to mount root from ufs:/dev/ad0s1a
 WARNING: / was not properly dismounted
 WARNING: /tmp was not properly dismounted
 WARNING: /usr was not properly dismounted
 /usr: mount pending error: blocks 84 files 1
 WARNING: /var was not properly dismounted
 WARNING: /srv was not properly dismounted
 NVRM: detected agp.ko, aborting NVIDIA AGP setup!
 
 --------------000302090007040603050408
 Content-Type: text/plain;
  name="kernelconf.txt"
 Content-Transfer-Encoding: 7bit
 Content-Disposition: inline;
  filename="kernelconf.txt"
 
 #
 # GENERIC -- Generic kernel configuration file for FreeBSD/i386
 #
 # For more information on this file, please read the handbook section on
 # Kernel Configuration Files:
 #
 #    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
 #
 # The handbook is also available locally in /usr/share/doc/handbook
 # if you've installed the doc distribution, otherwise always see the
 # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
 # latest information.
 #
 # An exhaustive list of options and more detailed explanations of the
 # device lines is also present in the ../../conf/NOTES and NOTES files.
 # If you are in doubt as to the purpose or necessity of a line, check first
 # in NOTES.
 #
 # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.429.2.7.2.2 2006/05/01 00:15:12 scottl Exp $
 
 machine		i386
 #cpu		I486_CPU
 #cpu		I586_CPU
 cpu		I686_CPU
 ident		SERVER
 
 # To statically compile in device wiring instead of /boot/device.hints
 #hints		"GENERIC.hints"		# Default places to look for devices.
 
 makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
 
 #options 	SCHED_ULE		# ULE scheduler
 options 	SCHED_4BSD		# 4BSD scheduler
 options 	PREEMPTION		# Enable kernel thread preemption
 options 	INET			# InterNETworking
 #options 	INET6			# IPv6 communications protocols
 options 	FFS			# Berkeley Fast Filesystem
 options 	SOFTUPDATES		# Enable FFS soft updates support
 options 	UFS_ACL			# Support for access control lists
 options 	UFS_DIRHASH		# Improve performance on big directories
 options 	MD_ROOT			# MD is a potential root device
 options 	NFSCLIENT		# Network Filesystem Client
 options 	NFSSERVER		# Network Filesystem Server
 options 	NFS_ROOT		# NFS usable as /, requires NFSCLIENT
 options 	MSDOSFS			# MSDOS Filesystem
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
 options 	GEOM_GPT		# GUID Partition Tables.
 options 	COMPAT_43		# Compatible with BSD 4.3 [KEEP THIS!]
 options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
 options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
 options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
 options 	KTRACE			# ktrace(1) support
 options 	SYSVSHM			# SYSV-style shared memory
 options 	SYSVMSG			# SYSV-style message queues
 options 	SYSVSEM			# SYSV-style semaphores
 options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
 options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
 options 	AHC_REG_PRETTY_PRINT	# Print register bitfields in debug
 					# output.  Adds ~128k to driver.
 options 	AHD_REG_PRETTY_PRINT	# Print register bitfields in debug
 					# output.  Adds ~215k to driver.
 options 	ADAPTIVE_GIANT		# Giant mutex is adaptive.
 options		CPU_ATHLON_SSE_HACK	# Kick the CPU so it turns on SSE
 options		NO_MEMORY_HOLE		# There's no memory hole at 15MB
 options		QUOTA			# Enable disk quota
 options		IPFILTER
 options		IPDIVERT
 #options		IPSEC
 #options		IPSEC_FILTERGIF
 #options		IPSEC_ESP
 #options		IPSEC_DEBUG
 options		IPFIREWALL
 options		IPFIREWALL_VERBOSE
 options		IPFIREWALL_VERBOSE_LIMIT=10
 options		GEOM_ELI		# Encrypted partition support
 device		apic			# I/O APIC
 
 # Bus support.
 #device		eisa
 device		pci
 
 # Floppy drives
 device		fdc
 
 #Crypto device
 device		crypto
 
 # ATA and ATAPI devices
 device		ata
 device		atadisk		# ATA disk drives
 device		ataraid		# ATA RAID drives
 device		atapicd		# ATAPI CDROM drives
 device		atapifd		# ATAPI floppy drives
 device		atapist		# ATAPI tape drives
 options 	ATA_STATIC_ID	# Static device numbering
 
 # SCSI Controllers
 #device		ahb		# EISA AHA1742 family
 #device		ahc		# AHA2940 and onboard AIC7xxx devices
 #device		ahd		# AHA39320/29320 and onboard AIC79xx devices
 #device		amd		# AMD 53C974 (Tekram DC-390(T))
 #device		isp		# Qlogic family
 #device 	ispfw		# Firmware for QLogic HBAs- normally a module
 #device		mpt		# LSI-Logic MPT-Fusion
 #device		ncr		# NCR/Symbios Logic
 #device		sym		# NCR/Symbios Logic (newer chipsets + those of `ncr')
 #device		trm		# Tekram DC395U/UW/F DC315U adapters
 
 #device		adv		# Advansys SCSI adapters
 #device		adw		# Advansys wide SCSI adapters
 #device		aha		# Adaptec 154x SCSI adapters
 #device		aic		# Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
 #device		bt		# Buslogic/Mylex MultiMaster SCSI adapters
 
 #device		ncv		# NCR 53C500
 #device		nsp		# Workbit Ninja SCSI-3
 #device		stg		# TMC 18C30/18C50
 
 # SCSI peripherals
 device		scbus		# SCSI bus (required for SCSI)
 device		ch		# SCSI media changers
 device		da		# Direct Access (disks)
 device		sa		# Sequential Access (tape etc)
 device		cd		# CD
 device		pass		# Passthrough device (direct SCSI access)
 device		ses		# SCSI Environmental Services (and SAF-TE)
 
 # RAID controllers interfaced to the SCSI subsystem
 #device		amr		# AMI MegaRAID
 #device		arcmsr		# Areca SATA II RAID
 #device		asr		# DPT SmartRAID V, VI and Adaptec SCSI RAID
 #device		ciss		# Compaq Smart RAID 5*
 #device		dpt		# DPT Smartcache III, IV - See NOTES for options
 #device		hptmv		# Highpoint RocketRAID 182x
 #device		rr232x		# Highpoint RocketRAID 232x
 #device		iir		# Intel Integrated RAID
 #device		ips		# IBM (Adaptec) ServeRAID
 #device		mly		# Mylex AcceleRAID/eXtremeRAID
 #device		twa		# 3ware 9000 series PATA/SATA RAID
 
 # RAID controllers
 #device		aac		# Adaptec FSA RAID
 #device		aacp		# SCSI passthrough for aac (requires CAM)
 #device		ida		# Compaq Smart RAID
 #device		mfi		# LSI MegaRAID SAS
 #device		mlx		# Mylex DAC960 family
 #device		pst		# Promise Supertrak SX6000
 #device		twe		# 3ware ATA RAID
 
 # atkbdc0 controls both the keyboard and the PS/2 mouse
 device		atkbdc		# AT keyboard controller
 device		atkbd		# AT keyboard
 device		psm		# PS/2 mouse
 
 device		kbdmux		# keyboard multiplexer
 
 device		vga		# VGA video card driver
 
 device		splash		# Splash screen and screen saver support
 
 # syscons is the default console driver, resembling an SCO console
 device		sc
 
 # Enable this for the pcvt (VT220 compatible) console driver
 #device		vt
 #options 	XSERVER		# support for X server on a vt console
 #options 	FAT_CURSOR	# start with block cursor
 
 device		agp		# support several AGP chipsets
 
 # Power management support (see NOTES for more options)
 #device		apm
 # Add suspend/resume support for the i8254.
 device		pmtimer
 
 # PCCARD (PCMCIA) support
 # PCMCIA and cardbus bridge support
 #device		cbb		# cardbus (yenta) bridge
 #device		pccard		# PC Card (16-bit) bus
 #device		cardbus		# CardBus (32-bit) bus
 
 # Serial (COM) ports
 device		sio		# 8250, 16[45]50 based serial ports
 
 # Parallel port
 device		ppc
 device		ppbus		# Parallel port bus (required)
 device		lpt		# Printer
 device		plip		# TCP/IP over parallel
 device		ppi		# Parallel port interface device
 #device		vpo		# Requires scbus and da
 
 # If you've got a "dumb" serial or parallel PCI card that is
 # supported by the puc(4) glue driver, uncomment the following
 # line to enable it (connects to the sio and/or ppc drivers):
 #device		puc
 
 # PCI Ethernet NICs.
 #device		de		# DEC/Intel DC21x4x (``Tulip'')
 #device		em		# Intel PRO/1000 adapter Gigabit Ethernet Card
 #device		ixgb		# Intel PRO/10GbE Ethernet Card
 #device		txp		# 3Com 3cR990 (``Typhoon'')
 #device		vx		# 3Com 3c590, 3c595 (``Vortex'')
 
 # PCI Ethernet NICs that use the common MII bus controller code.
 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
 device		miibus		# MII bus support
 #device		bce		# Broadcom BCM5706/BCM5708 Gigabit Ethernet
 #device		bfe		# Broadcom BCM440x 10/100 Ethernet
 #device		bge		# Broadcom BCM570xx Gigabit Ethernet
 #device		dc		# DEC/Intel 21143 and various workalikes
 #device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
 #device		lge		# Level 1 LXT1001 gigabit Ethernet
 #device		nge		# NatSemi DP83820 gigabit Ethernet
 #device		nve		# nVidia nForce MCP on-board Ethernet Networking
 #device		pcn		# AMD Am79C97x PCI 10/100(precedence over 'lnc')
 #device		re		# RealTek 8139C+/8169/8169S/8110S
 device		rl		# RealTek 8129/8139
 #device		sf		# Adaptec AIC-6915 (``Starfire'')
 #device		sis		# Silicon Integrated Systems SiS 900/SiS 7016
 #device		sk		# SysKonnect SK-984x & SK-982x gigabit Ethernet
 #device		ste		# Sundance ST201 (D-Link DFE-550TX)
 #device		ti		# Alteon Networks Tigon I/II gigabit Ethernet
 #device		tl		# Texas Instruments ThunderLAN
 #device		tx		# SMC EtherPower II (83c170 ``EPIC'')
 #device		vge		# VIA VT612x gigabit Ethernet
 device		vr		# VIA Rhine, Rhine II
 #device		wb		# Winbond W89C840F
 #device		xl		# 3Com 3c90x (``Boomerang'', ``Cyclone'')
 
 # ISA Ethernet NICs.  pccard NICs included.
 #device		cs		# Crystal Semiconductor CS89x0 NIC
 # 'device ed' requires 'device miibus'
 #device		ed		# NE[12]000, SMC Ultra, 3c503, DS8390 cards
 #device		ex		# Intel EtherExpress Pro/10 and Pro/10+
 #device		ep		# Etherlink III based cards
 #device		fe		# Fujitsu MB8696x based cards
 #device		ie		# EtherExpress 8/16, 3C507, StarLAN 10 etc.
 #device		lnc		# NE2100, NE32-VL Lance Ethernet cards
 #device		sn		# SMC's 9000 series of Ethernet chips
 #device		xe		# Xircom pccard Ethernet
 
 # Wireless NIC cards
 device		wlan		# 802.11 support
 #device		an		# Aironet 4500/4800 802.11 wireless NICs.
 #device		awi		# BayStack 660 and others
 #device		ral		# Ralink Technology RT2500 wireless NICs.
 #device		wi		# WaveLAN/Intersil/Symbol 802.11 wireless NICs.
 device		ath		# Atheros 802.11b/g cards
 device		ath_hal
 device		ath_rate_sample
 device		wlan_ccmp
 device		wlan_tkip
 device		wlan_acl
 device		wlan_wep
 device		wlan_xauth
 #device		wl		# Older non 802.11 Wavelan wireless NIC.
 
 # Pseudo devices.
 device		loop		# Network loopback
 device		random		# Entropy device
 device		ether		# Ethernet support
 device		sl		# Kernel SLIP
 device		ppp		# Kernel PPP
 device		tun		# Packet tunnel.
 device		pty		# Pseudo-ttys (telnet etc)
 device		md		# Memory "disks"
 device		gif		# IPv6 and IPv4 tunneling
 device		faith		# IPv6-to-IPv4 relaying (translation)
 
 # The `bpf' device enables the Berkeley Packet Filter.
 # Be aware of the administrative consequences of enabling this!
 # Note that 'bpf' is required for DHCP.
 device		bpf		# Berkeley packet filter
 
 # USB support
 device		uhci		# UHCI PCI->USB interface
 device		ohci		# OHCI PCI->USB interface
 device		ehci		# EHCI PCI->USB interface (USB 2.0)
 device		usb		# USB Bus (required)
 #device		udbp		# USB Double Bulk Pipe devices
 device		ugen		# Generic
 device		uhid		# "Human Interface Devices"
 device		ukbd		# Keyboard
 device		ulpt		# Printer
 device		umass		# Disks/Mass storage - Requires scbus and da
 device		ums		# Mouse
 device		ural		# Ralink Technology RT2500USB wireless NICs
 device		urio		# Diamond Rio 500 MP3 player
 device		uscanner	# Scanners
 # USB Ethernet, requires miibus
 device		aue		# ADMtek USB Ethernet
 device		axe		# ASIX Electronics USB Ethernet
 device		cdce		# Generic USB over Ethernet
 device		cue		# CATC USB Ethernet
 device		kue		# Kawasaki LSI USB Ethernet
 device		rue		# RealTek RTL8150 USB Ethernet
 
 # FireWire support
 device		firewire	# FireWire bus code
 device		sbp		# SCSI over FireWire (Requires scbus and da)
 device		fwe		# Ethernet over FireWire (non-standard!)
 
 #ccd support
 device		ccd		# Concatenated disk driver
 
 device		sound
 
 --------------000302090007040603050408--
Responsible-Changed-From-To: freebsd-i386->freebsd-bugs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Mon Mar 3 06:29:19 UTC 2008 
Responsible-Changed-Why:  
This does not sound i386-specific. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=120991 
Responsible-Changed-From-To: freebsd-bugs->freebsd-fs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Mon May 18 03:09:48 UTC 2009 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=120991 
State-Changed-From-To: feedback->open 
State-Changed-By: jh 
State-Changed-When: Sat May 14 16:18:47 UTC 2011 
State-Changed-Why:  
Feedback received. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=120991 
State-Changed-From-To: open->feedback 
State-Changed-By: jh 
State-Changed-When: Sat May 14 16:51:46 UTC 2011 
State-Changed-Why:  


http://www.freebsd.org/cgi/query-pr.cgi?pr=120991 
Responsible-Changed-From-To: freebsd-fs->jh 
Responsible-Changed-By: jh 
Responsible-Changed-When: Sat May 14 16:55:13 UTC 2011 
Responsible-Changed-Why:  
Can you still reproduce this on a supported release? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=120991 
State-Changed-From-To: feedback->closed 
State-Changed-By: jh 
State-Changed-When: Sun Jul 3 07:37:08 UTC 2011 
State-Changed-Why:  
Feedback timeout. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=120991 
>Unformatted:
