em, vlan and pf troubles

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Date: Tue, 30 Nov 2004 19:12:21 +0000 (GMT)
To: net@freebsd.org

Hi,

I am having a problem with 5.3 release with pf, vlans and the em device.

The machine is being used as a firewall with about 30 vlans behind it.

When this was first setup things worked as expected.

However today the machine froze with no messages or dump on the console.

After the reboot the client vlans were having intermittant problems connecting
to the internet. From a client workstation it is not possible to now ping a
vlan interface on the machine eg

from 192.168.0.12 (workstation) pinging to 192.168.0.1 (this machine)

# tcpdump -eni vlan23
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on vlan23, link-type EN10MB (Ethernet), capture size 96 bytes
15:56:36.858496 00:08:74:4d:93:9c > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: arp who-has 192.168.0.1 tell 192.168.0.12
15:56:36.858525 00:0c:f1:9d:af:04 > 00:08:74:4d:93:9c, ethertype ARP (0x0806), length 42: arp reply 192.168.0.1 is-at 00:0c:f1:9d:af:04
15:56:39.857172 00:08:74:4d:93:9c > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: arp who-has 192.168.0.1 tell 192.168.0.12
15:56:39.857200 00:0c:f1:9d:af:04 > 00:08:74:4d:93:9c, ethertype ARP (0x0806), length 42: arp reply 192.168.0.1 is-at 00:0c:f1:9d:af:04
15:56:45.885248 00:08:74:4d:93:9c > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: arp who-has 192.168.0.1 tell 192.168.0.12
15:56:45.885274 00:0c:f1:9d:af:04 > 00:08:74:4d:93:9c, ethertype ARP (0x0806), length 42: arp reply 192.168.0.1 is-at 00:0c:f1:9d:af:04

The arp request never makes it back to the client workstation.

However the client is able to sometimes able ping past the firewall to a
destination beyond it so nat looks like it is working as they have other
intermitant connectivity.

This particular host is the default gateway for just 2 of the vlans, there is
another freebsd 5.2.1-RELEASE-p9 box as the main firewall - all machines are
connected to the same switch stack (netgear) - both boxes are dells using the
onboard em0 interfaces - the 5.2 box has not caused any problems.

I have had a hunt on the lists and found:

http://marc.theaimsgroup.com/?l=freebsd-net&m=110172867801777&w=2

I am not sure if this is related but suspect it is - if so will adding a
differnet card from a different vendor fix this?

Below are dmesgs, pf.conf and rc.conf,

Any help would be much appreciated,

Mike.

-----------------------------------------
rc.conf:

defaultrouter="135.196.3.9"
gateway_enable="YES"

hostname="thxgate2.thx.office"

ifconfig_fxp0="inet 135.196.x.yy netmask 255.255.255.248"

ifconfig_xl0="inet 10.2.254.2 netmask 255.255.255.0"

cloned_interfaces="vlan1 vlan2 vlan3 vlan4 vlan5 vlan6 vlan7 vlan8 vlan9 vlan10
vlan11 vlan12 vlan13 vlan14 vlan15 vlan16 vlan17 vlan18 vlan19 vlan20 vlan23
vlan24 vlan25 vlan26 vlan27 vlan28 vlan29 vlan30 vlan53"
ifconfig_em0="up"

ifconfig_vlan1="inet 10.2.101.2 netmask 255.255.255.0 vlan 101 vlandev em0"
ifconfig_vlan2="inet 10.2.102.2 netmask 255.255.255.0 vlan 102 vlandev em0"
ifconfig_vlan3="inet 10.2.103.2 netmask 255.255.255.0 vlan 103 vlandev em0"
ifconfig_vlan4="inet 10.2.104.2 netmask 255.255.255.0 vlan 104 vlandev em0"
ifconfig_vlan5="inet 10.2.105.2 netmask 255.255.255.0 vlan 105 vlandev em0"
ifconfig_vlan6="inet 10.2.106.2 netmask 255.255.255.0 vlan 106 vlandev em0"
ifconfig_vlan7="inet 10.2.107.2 netmask 255.255.255.0 vlan 107 vlandev em0"
ifconfig_vlan8="inet 10.2.108.2 netmask 255.255.255.0 vlan 108 vlandev em0"
ifconfig_vlan9="inet 10.2.109.2 netmask 255.255.255.0 vlan 109 vlandev em0"
ifconfig_vlan10="inet 10.2.110.2 netmask 255.255.255.0 vlan 110 vlandev em0"
ifconfig_vlan11="inet 10.2.111.2 netmask 255.255.255.0 vlan 111 vlandev em0"
ifconfig_vlan12="inet 10.2.112.2 netmask 255.255.255.0 vlan 112 vlandev em0"
ifconfig_vlan13="inet 10.2.113.2 netmask 255.255.255.0 vlan 113 vlandev em0"
ifconfig_vlan14="inet 10.2.114.2 netmask 255.255.255.0 vlan 114 vlandev em0"
ifconfig_vlan15="inet 10.2.115.2 netmask 255.255.255.0 vlan 115 vlandev em0"
ifconfig_vlan16="inet 10.2.116.2 netmask 255.255.255.0 vlan 116 vlandev em0"
ifconfig_vlan17="inet 10.2.117.2 netmask 255.255.255.0 vlan 117 vlandev em0"
ifconfig_vlan18="inet 10.2.118.2 netmask 255.255.255.0 vlan 118 vlandev em0"
ifconfig_vlan19="inet 172.16.13.1 netmask 255.255.255.0 vlan 119 vlandev em0"
ifconfig_vlan20="inet 10.2.120.2 netmask 255.255.255.0 vlan 120 vlandev em0"
ifconfig_vlan23="inet 192.168.0.1 netmask 255.255.255.0 vlan 123 vlandev em0"
ifconfig_vlan24="inet 10.2.124.2 netmask 255.255.255.0 vlan 124 vlandev em0"
ifconfig_vlan25="inet 10.2.125.2 netmask 255.255.255.0 vlan 125 vlandev em0"
ifconfig_vlan26="inet 10.2.126.2 netmask 255.255.255.0 vlan 126 vlandev em0"
ifconfig_vlan27="inet 10.2.127.2 netmask 255.255.255.0 vlan 127 vlandev em0"
ifconfig_vlan28="inet 10.2.128.2 netmask 255.255.255.0 vlan 128 vlandev em0"
ifconfig_vlan29="inet 10.2.129.2 netmask 255.255.255.0 vlan 129 vlandev em0"
ifconfig_vlan30="inet 10.2.130.2 netmask 255.255.255.0 vlan 130 vlandev em0"
ifconfig_vlan53="inet 10.2.253.2 netmask 255.255.255.0 vlan 253 vlandev em0"

keymap="uk.cp850"
sshd_enable="YES"
usbd_enable="NO"

background_fsck="NO"

inetd_enable="YES"

pf_enable="YES" # Set to YES to enable packet filter (pf)
pflog_enable="YES"

------------------------------------------------------------------------

[thxgate2] /etc# cat /etc/pf.conf
ext_if = "fxp0"

mgmt_if = "xl0"

vnet_101 = "vlan1"
vnet_102 = "vlan2"
vnet_103 = "vlan3"
vnet_104 = "vlan4"
vnet_105 = "vlan5"
vnet_106 = "vlan6"
vnet_107 = "vlan7"
vnet_108 = "vlan8"
vnet_109 = "vlan9"
vnet_110 = "vlan10"
vnet_111 = "vlan11"
vnet_112 = "vlan12"
vnet_113 = "vlan13"
vnet_114 = "vlan14"
vnet_115 = "vlan15"
vnet_116 = "vlan16"
vnet_117 = "vlan17"
vnet_118 = "vlan18"
vnet_119 = "vlan19"
vnet_120 = "vlan20"
vnet_123 = "vlan23"
vnet_124 = "vlan24"
vnet_125 = "vlan25"
vnet_126 = "vlan26"
vnet_127 = "vlan27"
vnet_128 = "vlan28"
vnet_129 = "vlan29"
vnet_130 = "vlan30"
vnet_253 = "vlan53"

thxmgmt1 = "10.2.254.3"
thxmgmt2 = "10.2.254.4"
thxm = "10.2.253.50"
sqmail = "10.2.253.54"

internal_net = "10.2.0.0/16"
nuance_net = "172.16.13.0/24"
other_net = "192.168.0.0/24"

eros_office_ip = "194.165.yy.xx"

#Tables

table <eros_ips> { xx.xxx.xx.xx yy.yy.yy.yy }
table <no_route_nets> { 10.2.0.0/16 172.16.13.0/24 192.168.0.0/24 }

# Options
set limit { states 10000, frags 10000 }
set loginterface em0
set optimization normal
set block-policy drop
set fingerprints "/etc/pf.os"

# Normalization
scrub in all

# Translation nat/rdr

#normal nat on ext_if1 and ext_if3 for 10.2.0.0/16
nat on $ext_if from {$internal_net} to any -> ($ext_if)

#special case vlan but gets routed through ext_if
nat on $ext_if from {"192.168.0.0/24"} to any -> ($ext_if)

#special case get their own connection
nat on $ext_if from {"172.16.13.0/24"} to any -> ($ext_if)

#rdr for nagios and eros access
rdr pass on $ext_if proto tcp from { <eros_ips> } to $ext_if port 2022 -> $thxmgmt2 port 22

# rdr outgoing FTP requests to the ftp-proxy
rdr on $vnet_101 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_102 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_103 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_104 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_105 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_106 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_107 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_108 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_109 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_110 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_111 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_112 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_113 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_114 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_115 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_116 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_117 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_118 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_120 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_123 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_124 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_125 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_126 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_127 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_128 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_129 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_130 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_253 proto tcp from any to any port ftp -> 127.0.0.1 port 8021
rdr on $vnet_119 proto tcp from any to any port ftp -> 127.0.0.1 port 8021

rdr on $mgmt_if proto tcp from any to any port ftp -> 127.0.0.1 port 8021

#FILTERING
block log all
block in quick from any to 255.255.255.255 label "$if:broadcast:drop"

# Loopback lo0
pass in quick on lo0 all label "lo0:$if:in"
pass out quick on lo0 all label "lo0:$if:out"

#mgmt_if
pass in quick log on $mgmt_if from 10.2.254.0/24 to $mgmt_if label "mgmt_net:$if:to:$if:$proto"

pass in log on $mgmt_if route-to lo0 proto tcp from $mgmt_if to any port 8021 keep state label "mgmt_net:$if:$dstport"
pass in log on $mgmt_if proto tcp from any to any flags S/SA keep state label "mgmt_net:$if:in:$proto"
pass in log on $mgmt_if proto { udp, icmp } from any to any keep state label "mgmt_net:$if:in:$proto"
pass out log on $mgmt_if all keep state label "mgmt_net:$if:out"

# INTERNAL VLANS

# em0 interface (internal vlan host interface)
pass in quick on em0 all label "internal_vlan_parent_if:$if:in"
pass out quick on em0 all label "internal_vlan_parent_if:$if:in"

#Standard Vlans

#block in quick log on $vnet_101 from "10.0.0.0/16"
pass in log on $vnet_101 from any to !<no_route_nets> keep state
pass out log on $vnet_101 all keep state

pass in log on $vnet_102 from any to !<no_route_nets> keep state
pass out log on $vnet_102 all keep state

pass in log on $vnet_103 from any to !<no_route_nets> keep state
pass out log on $vnet_103 all keep state

pass in log on $vnet_104 from any to !<no_route_nets> keep state
pass out log on $vnet_104 all keep state

pass in log on $vnet_105 from any to !<no_route_nets> keep state
pass out log on $vnet_105 all keep state

pass in log on $vnet_106 from any to !<no_route_nets> keep state
pass out log on $vnet_106 all keep state

pass in log on $vnet_107 from any to !<no_route_nets> keep state
pass out log on $vnet_107 all keep state

pass in log on $vnet_108 from any to !<no_route_nets> keep state
pass out log on $vnet_108 all keep state

pass in log on $vnet_109 from any to !<no_route_nets> keep state
pass out log on $vnet_109 all keep state

pass in log on $vnet_110 from any to !<no_route_nets> keep state
pass out log on $vnet_110 all keep state

pass in log on $vnet_111 from any to !<no_route_nets> keep state
pass out log on $vnet_111 all keep state

pass in log on $vnet_112 from any to !<no_route_nets> keep state
pass out log on $vnet_112 all keep state

pass in log on $vnet_113 from any to !<no_route_nets> keep state
pass out log on $vnet_113 all keep state

pass in log on $vnet_114 from any to !<no_route_nets> keep state
pass out log on $vnet_114 all keep state

pass in log on $vnet_115 from any to !<no_route_nets> keep state
pass out log on $vnet_115 all keep state

pass in log on $vnet_116 from any to !<no_route_nets> keep state
pass out log on $vnet_116 all keep state

pass in log on $vnet_117 from any to !<no_route_nets> keep state
pass out log on $vnet_117 all keep state

pass in log on $vnet_118 from any to !<no_route_nets> keep state
pass out log on $vnet_118 all keep state

pass in log on $vnet_119 from any to !<no_route_nets> keep state
pass out log on $vnet_119 all keep state

pass in log on $vnet_120 from any to !<no_route_nets> keep state
pass out log on $vnet_120 all keep state

pass in log on $vnet_123 from any to !<no_route_nets> keep state
pass out log on $vnet_123 all keep state

pass in log on $vnet_124 from any to !<no_route_nets> keep state
pass out log on $vnet_124 all keep state

pass in log on $vnet_125 from any to !<no_route_nets> keep state
pass out log on $vnet_125 all keep state

pass in log on $vnet_126 from any to !<no_route_nets> keep state
pass out log on $vnet_126 all keep state

pass in log on $vnet_253 from any to !<no_route_nets> keep state
pass out log on $vnet_253 all keep state

# External Interfaces

# [silently drop broadcasts (cable modem noise. etc)]
#block in quick on $ext_if from any to 255.255.255.255 label "ext1:$if:broadcast:drop"

#antispoof log for $ext_if label "ext1:$if:antispoof"

#antispoof log for all label "$if:antispoof"

block quick on $ext_if proto {tcp,udp} from any to any port {137,138,139,445} label "ext1:$if:$dstport:block"

#allow eros_ips to connect to ssh
pass in log quick on $ext_if proto tcp from { <eros_ips> } to $ext_if port 22 keep state label "ext1:$if:$dstport:pass"
pass in log quick on $ext_if proto tcp from { <eros_ips> } to $ext_if port 80 keep state label "ext1:$if:$dstport:pass"

#allow ping from certain ips to both interfaces
pass in on $ext_if inet proto icmp from { <eros_ips> } icmp-type 8 code 0 keep state label "ext1:$if:ping:pass"

# general "pass out" rules for external interfaces
pass out log on $ext_if proto tcp from any to any flags S/SA keep state
pass out log on $ext_if proto { udp, icmp, gre, esp, ipencap } from any to any keep state

-------------------------------------------------------------------------
uname -a

FreeBSD thxgate2.thx.office 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Fri Nov 5
04:19:18 UTC 2004 root@harlow.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
i386

-------------------------------------------------------------------------
dmesg:

Copyright (c) 1992-2004 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 5.3-RELEASE #0: Fri Nov 5 04:19:18 UTC 2004
     root@harlow.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Celeron(R) CPU 2.40GHz (2394.01-MHz 686-class CPU)
   Origin = "GenuineIntel" Id = 0xf29 Stepping = 9

Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
real memory = 267862016 (255 MB)
avail memory = 252563456 (240 MB)
ACPI APIC Table: <DELL PE400SC>
ioapic0: Changing APIC ID to 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <DELL PE400SC> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b 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: <Intel 82875P host to AGP bridge> mem 0xf0000000-0xf7ffffff at device 0.0
on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
uhci0: <Intel 82801EB (ICH5) USB controller USB-A> port 0xff80-0xff9f irq 16 at
device 29.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801EB (ICH5) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <Intel 82801EB (ICH5) USB controller USB-B> port 0xff60-0xff7f irq 19 at
device 29.1 on pci0
uhci1: [GIANT-LOCKED]
usb1: <Intel 82801EB (ICH5) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <Intel 82801EB (ICH5) USB controller USB-C> port 0xff40-0xff5f irq 18 at
device 29.2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <Intel 82801EB (ICH5) USB controller USB-C> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3: <Intel 82801EB (ICH5) USB controller USB-D> port 0xff20-0xff3f irq 16 at
device 29.3 on pci0
uhci3: [GIANT-LOCKED]
usb3: <Intel 82801EB (ICH5) USB controller USB-D> on uhci3
usb3: USB revision 1.0
uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
pci0: <serial bus, USB> at device 29.7 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pci2: <display, VGA> at device 0.0 (no driver attached)
twe0: <3ware Storage Controller. Driver version 1.50.01.002> port 0xdcf0-0xdcff
mem 0xfe000000-0xfe7fffff irq 22 at device 1.0 on pci2
twe0: [GIANT-LOCKED]
twe0: 2 ports, Firmware FE7X 1.05.00.063, BIOS BE7X 1.08.00.048
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xdd80-0xddff mem
0xfe8ddf80-0xfe8ddfff irq 17 at device 2.0 on pci2
miibus0: <MII bus> on xl0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:04:75:f4:6f:16
fxp0: <Intel 82559 Pro/100 Ethernet> port 0xdd00-0xdd3f mem
0xfe900000-0xfe9fffff,0xfe8df000-0xfe8dffff irq 19 at device 3.0 on pci2
miibus1: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus1
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:02:b3:5b:38:ee
em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port
0xdd40-0xdd7f mem 0xfe8e0000-0xfe8fffff irq 18 at device 12.0 on pci2
em0: Ethernet address: 00:0c:f1:9d:af:04
em0: Speed:N/A Duplex:N/A
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH5 UDMA100 controller> port
0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 irq 18 at device 31.1 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
atapci1: <Intel ICH5 SATA150 controller> port
0xfea0-0xfeaf,0xfe30-0xfe33,0xfe20-0xfe27,0xfe10-0xfe13,0xfe00-0xfe07 irq 18 at
device 31.2 on p
ci0
ata2: channel #0 on atapci1
ata3: channel #1 on atapci1
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
pci0: <multimedia, audio> at device 31.5 (no driver attached)
fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A, console
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
ppc0: <ECP parallel printer port> port 0x778-0x77f,0x378-0x37f irq 7 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
orm0: <ISA Option ROMs> at iomem
0xcb800-0xcbfff,0xca000-0xcb7ff,0xc9800-0xc9fff,0xc9000-0xc97ff,0xc8000-0xc8fff,0xc0000-0xc7fff
on isa0
pmtimer0 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x100>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 2394014348 Hz quality 800
Timecounters tick every 10.000 msec
acd0: CDROM <GCR-8481B/1.06> at ata1-master UDMA33
twed0: <Unit 0, TwinStor, Normal> on twe0
twed0: 38145MB (78122952 sectors)
Mounting root from ufs:/dev/twed0s1a

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