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Date:      Thu, 16 Jun 2005 20:21:53 -0400
From:      Eric Millbrandt <emillbrandt@coldhaus.com>
To:        freebsd-alpha@FreeBSD.org
Cc:        John Baldwin <jhb@FreeBSD.org>
Subject:   Re: Kernel trap on linux compat load
Message-ID:  <42B217A1.3060002@coldhaus.com>
In-Reply-To: <200506151535.59989.jhb@FreeBSD.org>
References:  <42AA1C23.4080901@coldhaus.com> <200506151535.59989.jhb@FreeBSD.org>

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John Baldwin wrote:

>On Friday 10 June 2005 07:02 pm, Eric Millbrandt wrote:
>  
>
>>I've noticed that linux compatibility caused my system to crash since I
>>upgraded from RELENG_4_9 (RELENG_4_10, RELENG_4_11, RELENG_4).  I
>>upgraded using buildworld, I haven't had a change to test using a clean
>>binary install.  Has anyone else seen this behavior?  It's easy to
>>reproduce, the system traps right on linux compatibility load.  The only
>>similar behavior I've found on google is an unanswered post
>>http://lists.freebsd.org/pipermail/freebsd-alpha/2004-June/001555.html
>>
>>Jun  8 07:18:17 mongoloid /kernel: fatal kernel trap:
>>Jun  8 07:18:17 mongoloid /kernel:
>>Jun  8 07:18:17 mongoloid /kernel: trap entry = 0x4 (unaligned access
>>fault) Jun  8 07:18:17 mongoloid /kernel: a0         = 0xfffffe0015285e34
>>Jun  8 07:18:17 mongoloid /kernel: a1         = 0x2d
>>Jun  8 07:18:17 mongoloid /kernel: a2         = 0x1
>>Jun  8 07:18:17 mongoloid /kernel: pc         = 0xfffffc0000386e68
>>Jun  8 07:18:17 mongoloid /kernel: ra         = 0xfffffc0000386dd8
>>Jun  8 07:18:17 mongoloid /kernel: curproc    = 0xfffffe001177e780
>>Jun  8 07:18:17 mongoloid /kernel: pid = 173, comm = ldconfig
>>Jun  8 07:18:17 mongoloid /kernel:
>>Jun  8 07:18:17 mongoloid /kernel: panic: trap
>>
>>EEM
>>    
>>
>
>Did you rebuild your kernel with buildkernel / installkernel?  I believe that 
>buildworld on 4.x still builds and installs new modules into /modules 
>including the linux and osf1 compat modules.  New modules aren't guaranteed 
>to work on older kernels, so if your kernel is still 4.9, that is probably 
>your problem.
>
>  
>
I used buildworld, buildkernel, installkernel, drop to single user, 
installworld, and mergemaster.  This is with linux_compat loading from 
rc.conf.  I misspoke earlier loading linux.ko works fine but running a 
linux binary, /compat/linux/sbin/ldconfig or sophie, causes the trap.  
On a side not osf1_compat works fine.

Here are my stack traces after running /compat/linux/sbin/ldconfig...
Debugger() at Debugger=0x2c
panic() at panic+0x100
trap() at trap+0x600
XentUna() at XentUna+0x2c
--- unaligned access fault (from ipl0) ---
kernel_sysctl at kernel_sysctl+ox1a8
347() at -0x1fffe4a63d0
Here ddb traps on itself (memory management fault)

This one is from running sophie
Debugger() at Debugger=0x2c
panic() at panic+0x100
trap() at trap+0x600
XentUna() at XentUna+0x2c
--- unaligned access fault (from ipl0) ---
kernel_sysctl at kernel_sysctl+ox1a8
linux_newuname() at linux_newuname+0xd0
syscall() at syscal+0x224
XentSys at XentSys+0x5c
--- syscall (339, Linux ELF, linux_newuname) ---
--- user mode ---

This is from messages...
Jun  8 07:01:36 mongoloid /kernel: Copyright (c) 1992-2005 The FreeBSD 
Project.
Jun  8 07:01:36 mongoloid /kernel: Copyright (c) 1979, 1980, 1983, 1986, 
1988, 1989, 1991, 1992, 1993, 1994
Jun  8 07:01:36 mongoloid /kernel: The Regents of the University of 
California. All rights reserved.
Jun  8 07:01:36 mongoloid /kernel: FreeBSD 4.11-STABLE #2: Tue Jun  7 
18:39:24 EDT 2005
Jun  8 07:01:36 mongoloid /kernel: 
emillbrandt@mongoloid.*********.com:/builds/obj/usr/src/sys/MONGOLOID
Jun  8 07:01:36 mongoloid /kernel: EB164
Jun  8 07:01:36 mongoloid /kernel: Digital AlphaPC 164SX 533 MHz, 531MHz
Jun  8 07:01:36 mongoloid /kernel: 8192 byte page size, 1 processor.
Jun  8 07:01:36 mongoloid /kernel: CPU: PCA56 (21164PC) major=9 minor=2 
extensions=0x1<BWX>
Jun  8 07:01:36 mongoloid /kernel: OSF PAL rev: 0x1000600020117
Jun  8 07:01:36 mongoloid /kernel: real memory  = 534913024 (522376K bytes)
Jun  8 07:01:36 mongoloid /kernel: avail memory = 515416064 (503336K bytes)
Jun  8 07:01:37 mongoloid /kernel: Preloaded elf kernel "kernel" at 
0xfffffc0000670000.
Jun  8 07:01:37 mongoloid /kernel: md0: Malloc disk
Jun  8 07:01:37 mongoloid /kernel: cia0: Pyxis, pass 1
Jun  8 07:01:37 mongoloid /kernel: cia0: extended capabilities: 1<BWEN>
Jun  8 07:01:37 mongoloid /kernel: pcib0: <2117x PCI host bus adapter> 
on cia0
Jun  8 07:01:37 mongoloid /kernel: pci0: <PCI bus> on pcib0
Jun  8 07:01:37 mongoloid /kernel: pcib1: <DEC 21152 PCI-PCI bridge> at 
device 5.0 on pci0
Jun  8 07:01:37 mongoloid /kernel: pci2: <PCI bus> on pcib1
Jun  8 07:01:37 mongoloid /kernel: sym0: <875> port 0x10000-0x100ff mem 
0x82060000-0x82060fff,0x82062000-0x820620ff irq 9 at device 0.0 on pci2
Jun  8 07:01:37 mongoloid /kernel: sym0: Symbios NVRAM, ID 7, Fast-20, 
SE, parity checking
Jun  8 07:01:37 mongoloid /kernel: sym0: open drain IRQ line driver, 
using on-chip SRAM
Jun  8 07:01:37 mongoloid /kernel: sym0: using LOAD/STORE-based firmware.
Jun  8 07:01:37 mongoloid /kernel: sym0: interrupting at CIA irq 9
Jun  8 07:01:37 mongoloid /kernel: sym1: <875> port 0x10100-0x101ff mem 
0x82061000-0x82061fff,0x82062100-0x820621ff irq 13 at device 1.0 on pci2
Jun  8 07:01:37 mongoloid /kernel: sym1: Symbios NVRAM, ID 7, Fast-20, 
SE, parity checking
Jun  8 07:01:37 mongoloid /kernel: sym1: open drain IRQ line driver, 
using on-chip SRAM
Jun  8 07:01:37 mongoloid /kernel: sym1: using LOAD/STORE-based firmware.
Jun  8 07:01:37 mongoloid /kernel: sym1: interrupting at CIA irq 13
Jun  8 07:01:37 mongoloid /kernel: de0: <Digital 21140A Fast Ethernet> 
port 0x10200-0x1027f mem 0x82062200-0x8206227f irq 17 at device 2.0 on pc
i2
Jun  8 07:01:37 mongoloid /kernel: de0: interrupting at CIA irq 17
Jun  8 07:01:37 mongoloid /kernel: de0: 21140A [10-100Mb/s] pass 2.2
Jun  8 07:01:37 mongoloid /kernel: de0: address 00:06:2b:00:20:4e
Jun  8 07:01:37 mongoloid /kernel: de0: enabling 100baseTX port
Jun  8 07:01:37 mongoloid /kernel: pci0: <S3 ViRGE DX/GX graphics 
accelerator> at 7.0 irq 10
Jun  8 07:01:37 mongoloid /kernel: isab0: <Cypress 82C693 PCI-ISA 
bridge> at device 8.0 on pci0
Jun  8 07:01:37 mongoloid /kernel: isa0: <ISA bus> on isab0
Jun  8 07:01:37 mongoloid /kernel: pci0: <Cypress 82C693 ATA controller> 
at 8.1
Jun  8 07:01:37 mongoloid /kernel: pci0: <Cypress 82C693 ATA controller> 
at 8.2
Jun  8 07:01:37 mongoloid /kernel: pci0: <Cypress 82C693 ATA controller> 
at 8.3
Jun  8 07:01:37 mongoloid /kernel: mlx0: <Mylex version 2 RAID 
interface> port 0x1000-0x107f mem 0x82129000-0x8212907f irq 8 at device 
9.0 on pc
i0
Jun  8 07:01:37 mongoloid /kernel: mlx0: interrupting at CIA irq 8
Jun  8 07:01:37 mongoloid /kernel: mlx0: DAC960P/PD, 3 channels, 
firmware 2.47-0-00, 4MB RAM
Jun  8 07:01:37 mongoloid /kernel: mlxd0: <Mylex System Drive> on mlx0
Jun  8 07:01:37 mongoloid /kernel: mlxd0: 26280MB (53821440 sectors) 
RAID 5 (online)
Jun  8 07:01:37 mongoloid /kernel: fdc0: <NEC 72065B or clone> at port 
0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
Jun  8 07:01:37 mongoloid /kernel: fdc0: interrupting at ISA irq 6
Jun  8 07:01:37 mongoloid /kernel: fdc0: FIFO enabled, 8 bytes threshold
Jun  8 07:01:37 mongoloid /kernel: fd0: <1440-KB 3.5" drive> on fdc0 
drive 0
Jun  8 07:01:37 mongoloid /kernel: atkbdc0: <Keyboard controller 
(i8042)> at port 0x60,0x64 on isa0
Jun  8 07:01:37 mongoloid /kernel: atkbd0: <AT Keyboard> irq 1 on atkbdc0
Jun  8 07:01:37 mongoloid /kernel: atkbd0: interrupting at ISA irq 1
Jun  8 07:01:37 mongoloid /kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0
Jun  8 07:01:37 mongoloid /kernel: psm0: interrupting at ISA irq 12
Jun  8 07:01:37 mongoloid /kernel: psm0: model IntelliMouse, device ID 3
Jun  8 07:01:37 mongoloid /kernel: vga0: <Generic ISA VGA> at port 
0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Jun  8 07:01:37 mongoloid /kernel: sc0: <System console> on isa0
Jun  8 07:01:37 mongoloid /kernel: sc0: VGA <16 virtual consoles, 
flags=0x200>
Jun  8 07:01:37 mongoloid /kernel: mcclock0: <MC146818A real time clock> 
at port 0x70-0x71 on isa0
Jun  8 07:01:37 mongoloid /kernel: sio0: configured irq 4 not in bitmap 
of probed irqs 0
Jun  8 07:01:37 mongoloid /kernel: sio0 at port 0x3f8-0x3ff irq 4 on isa0
Jun  8 07:01:37 mongoloid /kernel: sio0: type 16550A
Jun  8 07:01:37 mongoloid /kernel: sio0: interrupting at ISA irq 4
Jun  8 07:01:37 mongoloid /kernel: sio1: reserved for low-level i/o
Jun  8 07:01:37 mongoloid /kernel: ppc0: <Parallel port> at port 
0x3bc-0x3bf irq 7 on isa0
Jun  8 07:01:37 mongoloid /kernel: ppc0: Generic chipset (EPP/NIBBLE) in 
COMPATIBLE mode
Jun  8 07:01:37 mongoloid /kernel: lpt0: <Printer> on ppbus0
Jun  8 07:01:37 mongoloid /kernel: lpt0: Polled port
Jun  8 07:01:37 mongoloid /kernel: ppi0: <Parallel I/O> on ppbus0
Jun  8 07:01:37 mongoloid /kernel: ppc0: interrupting at ISA irq 7
Jun  8 07:01:38 mongoloid /kernel: Timecounter "alpha"  frequency 
533160576 Hz
Jun  8 07:01:38 mongoloid /kernel: DUMMYNET initialized (011031)
Jun  8 07:01:38 mongoloid /kernel: IP packet filtering initialized, 
divert disabled, rule-based forwarding enabled, default to deny, 
unlimited logging
Jun  8 07:01:38 mongoloid /kernel: Waiting 15 seconds for SCSI devices 
to settle
Jun  8 07:01:38 mongoloid /kernel: (noperiph:sym0:0:-1:-1): SCSI BUS 
reset delivered.
Jun  8 07:01:38 mongoloid /kernel: (noperiph:sym1:0:-1:-1): SCSI BUS 
reset delivered.
Jun  8 07:01:38 mongoloid /kernel: Mounting root from ufs:/dev/da1a
Jun  8 07:01:38 mongoloid /kernel: da2 at sym1 bus 0 target 2 lun 0
Jun  8 07:01:38 mongoloid /kernel: da2: <QUANTUM VIKING II 9.1SCA 5542> 
Fixed Direct Access SCSI-2 device
Jun  8 07:01:38 mongoloid /kernel: da2: 40.000MB/s transfers (20.000MHz, 
offset 16, 16bit), Tagged Queueing Enabled
Jun  8 07:01:38 mongoloid /kernel: da2: 8709MB (17836668 512 byte 
sectors: 255H 63S/T 1110C)
Jun  8 07:01:38 mongoloid /kernel: da0 at sym1 bus 0 target 0 lun 0
Jun  8 07:01:38 mongoloid /kernel: da0: <SEAGATE ST34371W 0484> Fixed 
Direct Access SCSI-2 device
Jun  8 07:01:38 mongoloid /kernel: da0: 40.000MB/s transfers (20.000MHz, 
offset 15, 16bit), Tagged Queueing Enabled
Jun  8 07:01:38 mongoloid /kernel: da0: 4148MB (8496884 512 byte 
sectors: 255H 63S/T 528C)
Jun  8 07:01:38 mongoloid /kernel: da3 at sym1 bus 0 target 3 lun 0
Jun  8 07:01:38 mongoloid /kernel: da3: <SEAGATE ST34371W 0484> Fixed 
Direct Access SCSI-2 device
Jun  8 07:01:38 mongoloid /kernel: da3: 40.000MB/s transfers (20.000MHz, 
offset 15, 16bit), Tagged Queueing Enabled
Jun  8 07:01:38 mongoloid /kernel: da3: 4148MB (8496884 512 byte 
sectors: 255H 63S/T 528C)
Jun  8 07:01:38 mongoloid /kernel: da1 at sym1 bus 0 target 1 lun 0
Jun  8 07:01:38 mongoloid /kernel: da1: <SEAGATE ST34371W 0484> Fixed 
Direct Access SCSI-2 device
Jun  8 07:01:38 mongoloid /kernel: da1: 40.000MB/s transfers (20.000MHz, 
offset 15, 16bit), Tagged Queueing Enabled
Jun  8 07:01:38 mongoloid /kernel: da1: 4148MB (8496884 512 byte 
sectors: 255H 63S/T 528C)
Jun  8 07:01:38 mongoloid /kernel: de0: enabling 100baseTX port
Jun  8 07:01:38 mongoloid /kernel: de0: enabling Full Duplex 100baseTX port
Jun  8 07:01:38 mongoloid named[99]: starting (/etc/namedb/named.conf).  
named 8.3.7-REL Tue Jun  7 11:14:01 EDT 2005   
root@mongoloid.*********.com:/builds/obj/usr/src/usr.sbin/named
Jun  8 07:01:38 mongoloid named[99]: limit files set to fdlimit (1024)
Jun  8 07:01:38 mongoloid named[99]: Zone "********.com" (file 
s/*********.com): No default TTL ($TTL <value>) set, using SOA minimum 
instead
Jun  8 07:01:39 mongoloid named[100]: Ready to answer queries.
Jun  8 07:01:39 mongoloid ntpd[102]: ntpd 4.1.0-a Tue Jun  7 11:11:49 
EDT 2005 (1)
Jun  8 07:01:39 mongoloid ntpd[102]: kernel time discipline status 2040
Jun  8 07:08:21 mongoloid /kernel:
Jun  8 07:08:21 mongoloid /kernel: fatal kernel trap:
Jun  8 07:08:21 mongoloid /kernel:
Jun  8 07:08:21 mongoloid /kernel: trap entry = 0x4 (unaligned access 
fault)
Jun  8 07:08:21 mongoloid /kernel: a0         = 0xfffffe00151f3e34
Jun  8 07:08:21 mongoloid /kernel: a1         = 0x2d
Jun  8 07:08:21 mongoloid /kernel: a2         = 0x1
Jun  8 07:08:21 mongoloid /kernel: pc         = 0xfffffc00003872e8
Jun  8 07:08:21 mongoloid /kernel: ra         = 0xfffffc0000387258
Jun  8 07:08:21 mongoloid /kernel: curproc    = 0xfffffe0011780140
Jun  8 07:08:21 mongoloid /kernel: pid = 171, comm = ldconfig
Jun  8 07:08:21 mongoloid /kernel:
Jun  8 07:08:21 mongoloid /kernel: panic: trap
Jun  8 07:08:21 mongoloid /kernel:
Jun  8 07:08:21 mongoloid /kernel: syncing disks... 8 2 2
Jun  8 07:08:21 mongoloid /kernel: done
Jun  8 07:08:21 mongoloid /kernel: Uptime: 29s
Jun  8 07:08:21 mongoloid /kernel: Automatic reboot in 15 seconds - 
press a key on the console to abort
Jun  8 07:08:21 mongoloid /kernel: Rebooting...

I've also attached my kernel config file.

--------------010406080604080103040107
Content-Type: text/plain;
 name="MONGOLOID"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
 filename="MONGOLOID"

#
# GENERIC -- Generic kernel configuration file for FreeBSD/alpha
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
#
#    http://www.FreeBSD.org/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 ../../i386/conf/LINT configuration file. 
# If you are in doubt as to the purpose or necessity of a line, check first 
# in LINT. Please note that this is the i386 LINT, but it still contains
# valuable info for alpha too
#
# For hardware specific information check HARDWARE.TXT
#
# $FreeBSD: src/sys/alpha/conf/GENERIC,v 1.71.2.19 2002/03/27 21:09:22 wilko Exp $

machine		alpha
cpu		EV5
ident		MONGOLOID
maxusers	0

#makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols

# Platforms supported
#options		API_UP1000		# UP1000 (Nautilus)
#options 	DEC_AXPPCI_33		# UDB, Multia, AXPpci33, NoName
options 	DEC_EB164		# EB164, PC164, PC164LX, PC164SX
#options 	DEC_EB64PLUS		# EB64+, AlphaPC64, Aspen Alpine, etc
#options 	DEC_2100_A50		# AlphaStation 200, 250, 255, 400
#options 	DEC_2100_A500		# AlphaServer 2000, 2100, 2100A
#options 	DEC_KN20AA		# AlphaStation 500, 600
#options 	DEC_ST550		# Personal Workstation 433, 500, 600
#options 	DEC_ST6600		# XP1000, DP264, DS20, DS10, family
#options 	DEC_3000_300		# DEC3000/300* Pelic* family
#options 	DEC_3000_500		# DEC3000/[4-9]00 Flamingo/Sandpiper family
#options 	DEC_1000A		# AlphaServer 1000, 1000A, 800
#options 	DEC_KN8AE		# AlphaServer 8200/8400 (Turbolaser)
#options 	DEC_KN300		# AlphaServer 4100 (Rawhide), 1200 (Tincup)

options 	INET			#InterNETworking
options 	INET6			#IPv6 communications protocols
options 	FFS			#Berkeley Fast Filesystem
options 	FFS_ROOT		#FFS usable as root device [keep this!]
options 	SOFTUPDATES		#Enable FFS soft updates support
options 	UFS_DIRHASH		#Improve performance on big directories
options 	MFS			#Memory Filesystem
options 	MD_ROOT			#MD is a potential root device
options 	NFS			#Network Filesystem
options 	NFS_ROOT		#NFS usable as root device
options 	MSDOSFS			#MSDOS Filesystem
options 	CD9660			#ISO 9660 Filesystem
options 	CD9660_ROOT		#CD-ROM usable as root device
options 	PROCFS			#Process filesystem
options 	COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
options 	SCSI_DELAY=15000	#Delay (in ms) before probing SCSI 
options 	UCONSOLE		#Allow users to grab the console
options 	KTRACE			#ktrace(1) syscall trace support
options 	SYSVSHM			#SYSV-style shared memory
options 	SYSVMSG			#SYSV-style message queues
options 	SYSVSEM			#SYSV-style semaphores
options		P1003_1B		#Posix P1003_1B real-time extentions
options 	_KPOSIX_PRIORITY_SCHEDULING
options		ICMP_BANDLIM		#Rate limit bad replies

# Standard busses
device		isa
device		pci

# Floppy drives
device		fdc0	at isa? port IO_FD1 irq 6 drq 2
device		fd0	at fdc0 drive 0

# ATA and ATAPI devices
#device		ata
#device		atadisk		# ATA disk drives
#device		atapicd		# ATAPI CDROM drives
#device		atapifd		# ATAPI floppy drives
#device		atapist		# ATAPI tape drives

# SCSI Controllers
#device		ahc		# AHA2940 and onboard AIC7xxx devices
#device		esp		# 53C94 & friends, not CAM-ified
#device		isp		# Qlogic family
device		ncr		# NCR/Symbios Logic
device		sym		# NCR/Symbios Logic (newer chipsets)

# SCSI peripherals
device		scbus		# SCSI bus (required)
device		da		# Direct Access (disks)
device		sa		# Sequential Access (tape etc)
device		cd		# CD
device		pass		# Passthrough device (direct SCSI access)

# RAID controllers
#device		amr		# AMI MegaRAID
device		mlx		# Mylex DAC960 family

# atkbdc0 controls both the keyboard and the PS/2 mouse
device		atkbdc0	at isa? port IO_KBD
device		atkbd0	at atkbdc? irq 1
device		psm0	at atkbdc? irq 12

device		vga0	at isa?

# splash screen/screen saver
pseudo-device	splash

# syscons is the default console driver, resembling an SCO console
device		sc0	at isa?

# real time clock
device		mcclock0 at isa? port 0x70

# Serial (COM) ports
device		sio0	at isa? port IO_COM1 irq 4
device		sio1	at isa? port IO_COM2 irq 3 flags 0x50

# Parallel port
device          ppc0    at isa? irq 7
device          ppbus           # Parallel port bus (required)
device          lpt             # Printer
device          ppi             # Parallel port interface device
#device         vpo             # Requires scbus and da
 
# Soundblaster $eem
#device		pcm0	at isa? irq 5
#device		sbc0	at isa? irq 5

# PCI Ethernet NICs.
device		de		# DEC/Intel DC21x4x (``Tulip'')
#device		txp		# 3Com 3cR990 (``Typhoon'')
#device		le		# Lance

# PCI Ethernet NICs that use the common MII bus controller code.
#device		miibus		# MII bus support
#device		dc		# DEC/Intel 21143 and workalikes
#device		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
#device		pcn		# AMD Am79C97x PCI 10/100 NICs
#device		rl		# RealTek 8129/8139
#device		sf		# Adaptec AIC-6915 (``Starfire'')
#device		sis		# Silicon Integrated Systems SiS 900/SiS 7016
#device		ste		# Sundance ST201 (D-Link DFE-550TX)
#device		tl		# Texas Instruments ThunderLAN
#device		vr		# VIA Rhine, Rhine II
#device		wb		# Winbond W89C840F
#device		wx		# Intel Gigabit Ethernet Card (``Wiseman'')
#device		xl		# 3Com 3c90x (``Boomerang'', ``Cyclone'')

# Pseudo devices - the number indicates how many units to allocated.
pseudo-device	loop		# Network loopback
pseudo-device	ether		# Ethernet support
pseudo-device	sl	1	# Kernel SLIP
pseudo-device	ppp	1	# Kernel PPP
pseudo-device	tun		# Packet tunnel.
pseudo-device	pty		# Pseudo-ttys (telnet etc)
pseudo-device	md		# Memory "disks"
pseudo-device	gif		# IPv6 and IPv4 tunneling
pseudo-device	faith	1	# IPv6-to-IPv4 relaying/(translation)

# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device	bpf		#Berkeley packet filter

# USB support
# (if you add any USB devices to this list, they must be added to the Alpha
#  section of src/release/scripts/dokern.sh)
#device		uhci		# UHCI PCI->USB interface
#device		ohci		# OHCI PCI->USB interface
#device		usb		# USB Bus (required)
#device		ugen		# Generic
#device		uhid		# "Human Interface Devices"
#device		ukbd		# Keyboard
#device		ulpt		# Printer
#device		umass		# Disks/Mass storage - Requires scbus and da0
#device		ums		# Mouse
# USB Ethernet
#device		aue		# ADMtek USB ethernet
#device		cue		# CATC USB ethernet
#device		kue		# Kawasaki LSI USB ethernet

# eem
options		IPFIREWALL
options		IPFIREWALL_VERBOSE
options		DUMMYNET
options		HZ=1000
options		DDB

--------------010406080604080103040107--

--------------ms070100020706070300030400
Content-Type: application/x-pkcs7-signature; name="smime.p7s"
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