speedtest.net in multi connections mode causes the FreeBSD 13-CURRENT router to crash

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speedtest.net in multi connections mode causes the FreeBSD 13-CURRENT router to crash

S.N. Trigub
Hi!

I run FreeBSD 13.0-CURRENT #0 r363772 as router in small office with two
network interface: sk0 and sk1.
sk0 connected to 2 providers (main and backup) via VLAN and natd, sk1
connected to office network via VLAN.
I had to use VLAN due to cabling issues.

As soon as the user runs the speedtest.net in browser on any client computer
in network
FreeBSD router goes into panic mode and automatically reboot during multi
connection upload test.
In single connections mode of speedtest.net all is fine.

Error is : Fatal trap 12: page fault while in kernel mode.

In my opinion the error is caused by multiple openings of outgoing
connections on router in a short period of time.
This is not a hardware error. I tested it on three different motherboards
with different kernel versions and diffenent amount of RAM (8GB DDR2 and 16,
24, 32GB DDR3).
Maybe this is somehow due to the use of VLAN, or network card driver
problem...
I noticed this problem about six months ago when I switched from FreeBSD
12-Current to FreeBSD 13-Current.
Since then I have been updating the kernel about once a week, but the error
still present.

I read on the some artictes in Internet that this can happen when tcp
extensions are enabled. I disabled tcp_extensons in rc.conf, and
set some sysctls params as described in Internet-articles, but it didn't
affect anything.
The same error sometimes occurs when clients are talking on Skype.

Could you help me? Any idea is appreciated!

Thank you.
Sergei.

====================My network
cards:================================================================

skc0: <D-Link DGE-530T Gigabit Ethernet> port 0xc100-0xc1ff mem
0xf7b44000-0xf7b47fff irq 16 at device 1.0 on pci6
skc0: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
sk0: Ethernet address: 00:15:e9:b8:c3:53
miibus1: <MII bus> on sk0
e1000phy0: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus1
e1000phy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto

skc1: <D-Link DGE-530T Gigabit Ethernet> port 0xc000-0xc0ff mem
0xf7b40000-0xf7b43fff irq 17 at device 2.0 on pci6
skc1: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
sk1: <Marvell Semiconductor, Inc. Yukon> on skc1
sk1: Ethernet address: 00:19:5b:8a:97:a7
miibus2: <MII bus> on sk1
e1000phy1: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus2
e1000phy1:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto


================================ My
natd.conf:====================================================================

instance default
interface vlan2
port 8668
use_sockets yes
same_ports yes
#
instance vlan3
interface vlan3
port 8669
use_sockets yes
same_ports yes
#
globalport 8670
#
#

===================== My
rc.conf:=========================================================================

defaultrouter="109.251.97.65"
tcp_extensions="NO"        # Set to NO to turn off RFC1323 extensions.
#
ifconfig_sk0="up -rxcsum -txcsum"
ifconfig_sk1="up -rxcsum -txcsum"
ipv6_network_interfaces="none"          # Default is auto
ipv6_activate_all_interfaces="NO"       # this is the default
ip6addrctl_enable="NO"                  # New way to disable IPv6 support
ip6addrctl_policy="ipv4_prefer"         # Use IPv4 instead of IPv6
cloned_interfaces="vlan2 vlan3 vlan5"
#
# vlan2 – provider 1 as main
# vlan3 -- provider 2 as backup
# vlan5 – office network
#
ifconfig_vlan2="inet 109.251.97.75 netmask 255.255.255.224   vlan 2 vlandev
sk0"
ifconfig_vlan3="inet 95.164.8.37     netmask 255.255.252.0   vlan 3 vlandev
sk0"
ifconfig_vlan5="inet 10.10.10.177  netmask 255.255.255.240 vlan 5 vlandev
sk1"
#
gateway_enable="YES"
#
zfs_enable="YES"  # Set to YES to automatically mount ZFS file systems
natd_enable="YES"        # enables NAT
natd_flags="-f /etc/natd.conf"


============== My
sysctl.conf:===============================================================================

debug.debugger_on_panic=0
kern.coredump=0
kern.corefile=/dev/null
net.inet.ip.fw.one_pass=1
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
net.inet.tcp.recvspace=1048576
net.inet.tcp.sendspace=524288
net.inet.tcp.recvbuf_max=4194304
net.inet.tcp.sendbuf_inc=65535
net.inet.tcp.msl=5000
net.inet.ip.fw.dyn_buckets=65536
net.inet.ip.fw.dyn_max=65536
net.inet.ip.fw.dyn_ack_lifetime=120
net.inet.ip.fw.dyn_syn_lifetime=10
net.inet.ip.fw.dyn_fin_lifetime=2
net.inet.ip.fw.dyn_short_lifetime=10


========================= My
loader.conf:==============================================================

zfs_load="YES"
vfs.root.mountfrom="zfs:zpoolasr"
vfs.zfs.prefetch_disable=0
accf_data_load="YES"        # Wait for data accept filter
accf_dns_load="YES"        # Wait for full DNS request accept filter
accf_http_load="YES"        # Wait for full HTTP request accept filter
coretemp_load="YES"
hw.vga.textmode=0


============================= My kernel
config:==========================================================

include GENERIC
#
ident  HOME64
#
nooptions  KDB   # Enable kernel debugger support.
nooptions  KDB_TRACE  # Print a stack trace for a panic.
nooptions  DDB   # Support DDB.
nooptions  GDB   # Support remote GDB.
options  KDB_UNATTENDED          # Don't enter debugger after panic
nooptions  INVARIANTS  # Enable calls of extra sanity checking
nooptions  INVARIANT_SUPPORT # Extra sanity checks of internal structures,
required by INVARIANTS
nooptions  WITNESS   # Enable checks to detect deadlocks and cycles
nooptions  WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
nooptions  WITNESS_KDB
nooptions  SOCKBUF_DEBUG
nooptions  DIAGNOSTIC
nooptions  DEBUG_MEMGUARD
nooptions  DEBUG_VFS_LOCKS
#
device   smb
device   smbus    # System management bus
device   intpm    # Intel power management
device  iicbus    # I2C bus system
device   iicsmb    # I2C to SMB bridge
device   iicbb    # I2C generic bit-banging drive
device  ichsmb   # Intel ICH SMBus controller chips (82801AA, 82801AB,
82801BA)
#
options  ALTQ
options  ALTQ_CBQ
options  ALTQ_RED
options  ALTQ_RIO
options  ALTQ_HFSC
options  ALTQ_PRIQ
options  ALTQ_NOPCC

options  MROUTING  # Multicast routing
options  ROUTETABLES=4  # max 16. 1 is back compatible.

options  IPFILTER
#
# FIREWALL
#
options  IPFIREWALL
options  IPFIREWALL_DEFAULT_TO_ACCEPT
options  IPFIREWALL_NAT  #ipfw kernel nat support
options  IPSTEALTH  #support for stealth forwarding
options  TCPDEBUG

options  IPDIVERT  #divert sockets

options  TCP_SIGNATURE  #include support for RFC 2385

#
# NETGRAPH
#
options  NETGRAPH
options  NETGRAPH_ETHER
options  NETGRAPH_SOCKET
options  NETGRAPH_MPPC_ENCRYPTION
options  NETGRAPH_MPPC_COMPRESSION
options  NETGRAPH_BPF
options         NETGRAPH_IFACE
options         NETGRAPH_KSOCKET
options         NETGRAPH_PPP
options         NETGRAPH_PPTPGRE
options         NETGRAPH_TCPMSS
options         NETGRAPH_VJC
options         NETGRAPH_ONE2MANY
options         NETGRAPH_RFC1490
options         NETGRAPH_TEE
options         NETGRAPH_TTY
options         NETGRAPH_UI

# libalias library, performing NAT
options  LIBALIAS
options  LIBICONV

# mchain library. It can be either loaded as KLD or compiled into kernel
options  LIBMCHAIN

#options  FLOWTABLE  # per-cpu routing cache

options  DUMMYNET
options  HZ=1000

# Cryptographically secure random number generator; /dev/random
device  cryptodev # /dev/crypto for access to h/w
device  rndtest  # FIPS 140-2 entropy tester

options  GEOM_BDE  # Disk encryption.
options  GEOM_ELI  # Disk encryption.

======================= My
dmesg.boot:====================================================================

VERBOSE_SYSINIT: DDB not enabled, symbol lookups disabled.
Copyright (c) 1992-2020 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 13.0-CURRENT #0 r363772: Sun Aug  2 20:37:24 EEST 2020
    [hidden email]:/usr/obj/usr/src/amd64.amd64/sys/HOME64 amd64
FreeBSD clang version 10.0.1 ([hidden email]:llvm/llvm-project.git
llvmorg-10.0.1-rc2-0-g77d76b71d7d)
VT(vga): resolution 640x480
VERBOSE_SYSINIT: DDB not enabled, symbol lookups disabled.
CPU: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz (3411.20-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x306a9  Family=0x6  Model=0x3a  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>
  Features2=0x7fbae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
  AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
  AMD Features2=0x1<LAHF>
  Structured Extended Features=0x281<FSGSBASE,SMEP,ERMS>
  XSAVE Features=0x1<XSAVEOPT>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
  TSC: P-state invariant, performance statistics
real memory  = 34359738368 (32768 MB)
avail memory = 33295888384 (31753 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <ALASKA A M I>
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 hardware threads
random: registering fast source Intel Secure Key RNG
random: fast provider: "Intel Secure Key RNG"
random: unblocking device.
ioapic0 <Version 2.0> irqs 0-23
Launching APs: 1 7 6 2 4 5 3
Timecounter "TSC-low" frequency 1705600786 Hz quality 1000
random: entropy device external interface
000.000018 [4342] netmap_init               netmap: loaded module
[ath_hal] loaded
WARNING: Device "kbd" is Giant locked and may be deleted before FreeBSD
13.0.
kbd1 at kbdmux0
nexus0
vtvga0: <VT VGA driver>
cryptosoft0: <software crypto>
acpi0: <ALASKA A M I>
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
Event timer "HPET" frequency 14318180 Hz quality 550
atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
atrtc0: Warning: Couldn't map I/O.
atrtc0: registered as a time-of-day clock, resolution 1.000000s
Event timer "RTC" frequency 32768 Hz quality 0
attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x18> port 0x62,0x66 on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0xe000-0xe0ff mem
0xe0000000-0xefffffff,0xf7d20000-0xf7d2ffff irq 16 at device 0.0 on pci1
vgapci0: Boot video device
hdac0: <ATI RV730 HDA Controller> mem 0xf7d30000-0xf7d33fff irq 17 at device
0.1 on pci1
pci0: <simple comms> at device 22.0 (no driver attached)
ehci0: <Intel Cougar Point USB 2.0 controller> mem 0xf7e08000-0xf7e083ff irq
23 at device 26.0 on pci0
usbus0: EHCI version 1.0
usbus0 on ehci0
usbus0: 480Mbps High Speed USB v2.0
hdac1: <Intel Cougar Point HDA Controller> mem 0xf7e00000-0xf7e03fff irq 22
at device 27.0 on pci0
pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0
pci2: <ACPI PCI bus> on pcib2
aac0: <Adaptec RAID Controller> mem 0xf7800000-0xf79fffff irq 16 at device
0.0 on pci2
aac0: Enabling 64-bit address support
aac0: Enable Raw I/O
aac0: Enable 64-bit array
aac0: New comm. interface enabled
aac0: Adaptec 5805Z, aac driver 2.1.9-1
aacp0 on aac0
aacp1 on aac0
aacp2 on aac0
pcib3: <ACPI PCI-PCI bridge> irq 17 at device 28.5 on pci0
pci3: <ACPI PCI bus> on pcib3
xhci0: <ASMedia ASM1042 USB 3.0 controller> mem 0xf7c00000-0xf7c07fff irq 17
at device 0.0 on pci3
xhci0: 32 bytes context size, 32-bit DMA
xhci0: Unable to map MSI-X table
usbus1 on xhci0
usbus1: 5.0Gbps Super Speed USB v3.0
pcib4: <ACPI PCI-PCI bridge> irq 18 at device 28.6 on pci0
pci4: <ACPI PCI bus> on pcib4
re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port
0xd000-0xd0ff mem 0xf0004000-0xf0004fff,0xf0000000-0xf0003fff irq 18 at
device 0.0 on pci4
re0: Using 1 MSI-X message
re0: Chip rev. 0x2c800000
re0: MAC rev. 0x00100000
miibus0: <MII bus> on re0
rgephy0: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 1 on miibus0
rgephy0:  none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX,
100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT, 1000baseT-master,
1000baseT-FDX, 1000baseT-FDX-master, 1000baseT-FDX-flow,
1000baseT-FDX-flow-master, auto, auto-flow
re0: Using defaults for TSO: 65518/35/2048
re0: Ethernet address: 00:0b:0e:0f:00:ed
re0: netmap queues/slots: TX 1/256, RX 1/256
pcib5: <ACPI PCI-PCI bridge> irq 19 at device 28.7 on pci0
pci5: <ACPI PCI bus> on pcib5
pcib6: <ACPI PCI-PCI bridge> irq 19 at device 0.0 on pci5
pci6: <ACPI PCI bus> on pcib6
skc0: <D-Link DGE-530T Gigabit Ethernet> port 0xc100-0xc1ff mem
0xf7b44000-0xf7b47fff irq 16 at device 1.0 on pci6
skc0: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
sk0: Ethernet address: 00:15:e9:b8:c3:53
miibus1: <MII bus> on sk0
e1000phy0: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus1
e1000phy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
skc1: <D-Link DGE-530T Gigabit Ethernet> port 0xc000-0xc0ff mem
0xf7b40000-0xf7b43fff irq 17 at device 2.0 on pci6
skc1: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
sk1: <Marvell Semiconductor, Inc. Yukon> on skc1
sk1: Ethernet address: 00:19:5b:8a:97:a7
miibus2: <MII bus> on sk1
e1000phy1: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus2
e1000phy1:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
ehci1: <Intel Cougar Point USB 2.0 controller> mem 0xf7e07000-0xf7e073ff irq
23 at device 29.0 on pci0
usbus2: EHCI version 1.0
usbus2 on ehci1
usbus2: 480Mbps High Speed USB v2.0
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
ahci0: <Intel Cougar Point AHCI SATA controller> port
0xf070-0xf077,0xf060-0xf063,0xf050-0xf057,0xf040-0xf043,0xf020-0xf03f mem
0xf7e06000-0xf7e067ff irq 19 at device 31.2 on pci0
ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported
ahcich5: <AHCI channel> at channel 5 on ahci0
ahciem0: <AHCI enclosure management bridge> on ahci0
ichsmb0: <Intel Cougar Point SMBus controller> port 0xf000-0xf01f mem
0xf7e05000-0xf7e050ff irq 18 at device 31.3 on pci0
acpi_button0: <Power Button> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz1: <Thermal Zone> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xcffff,0xd0000-0xd67ff pnpid
ORM0000 on isa0
coretemp0: <CPU On-Die Thermal Sensors> on cpu0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
Timecounters tick every 1.000 msec
IP Filter: v5.1.2 initialized.  Default = pass all, Logging = disabled
ipfw2 (+ipv6) initialized, divert enabled, nat enabled, default to accept,
logging disabled
load_dn_sched dn_sched FQ_PIE loaded
load_dn_sched dn_sched PRIO loaded
load_dn_sched dn_sched QFQ loaded
load_dn_sched dn_sched RR loaded
load_dn_sched dn_sched WF2Q+ loaded
load_dn_sched dn_sched FIFO loaded
load_dn_sched dn_sched FQ_CODEL loaded
load_dn_aqm dn_aqm CODEL loaded
load_dn_aqm dn_aqm PIE loaded
Obsolete code will be removed soon: random(9) is the obsolete Park-Miller
LCG from 1988
hdacc0: <ATI R6xx HDA CODEC> at cad 0 on hdac0
hdaa0: <ATI R6xx Audio Function Group> at nid 1 on hdacc0
pcm0: <ATI R6xx (HDMI)> at nid 3 on hdaa0
hdacc1: <Realtek ALC887 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC887 Audio Function Group> at nid 1 on hdacc1
pcm1: <Realtek ALC887 (Rear Analog 7.1/2.0)> at nid 20,22,21,23 and 24,26 on
hdaa1
pcm2: <Realtek ALC887 (Front Analog)> at nid 27 and 25 on hdaa1
pcm3: <Realtek ALC887 (Rear Digital)> at nid 30 on hdaa1
pcm4: <Realtek ALC887 (Onboard Digital)> at nid 17 on hdaa1
aacd0 on aac0
aacd0: 11443190MB (23435653120 sectors)
ugen0.1: <Intel EHCI root HUB> at usbus0
smbus0: <System Management Bus> on ichsmb0
smb0: <SMBus generic I/O> on smbus0
Trying to mount root from zfs:zpoolasr []...
ugen2.1: <Intel EHCI root HUB> at usbus2
uhub0 on usbus2
uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
uhub1 on usbus0
uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
ugen1.1: <0x1b21 XHCI root HUB> at usbus1
uhub2 on usbus1
uhub2: <0x1b21 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus1
ses0 at ahciem0 bus 0 scbus4 target 0 lun 0
ses0: <AHCI SGPIO Enclosure 2.00 0001> SEMB S-E-S 2.00 device
ses0: SEMB SES Device
ada0 at ahcich5 bus 0 scbus3 target 0 lun 0
ada0: <HGST HTS721010A9E630 JB0OA3B0> ATA8-ACS SATA 3.x device
ada0: Serial Number JG40006EG6NTMC
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 953869MB (1953525168 512 byte sectors)
ses0: ada0 in 'Slot 05', SATA Slot: scbus3 target 0
pass0 at aacp0 bus 0 scbus0 target 0 lun 0
pass0: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
pass0: Serial Number VBG2MV2R
pass0: 3.300MB/s transfers
pass1 at aacp0 bus 0 scbus0 target 1 lun 0
pass1: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
pass1: Serial Number VBG2G5ZR
pass1: 3.300MB/s transfers
pass2 at aacp0 bus 0 scbus0 target 2 lun 0
pass2: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
pass2: Serial Number VBG2G2HR
pass2: 3.300MB/s transfers
pass3 at aacp0 bus 0 scbus0 target 3 lun 0
pass3: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
pass3: Serial Number VBG2HMVR
pass3: 3.300MB/s transfers
Root mount waiting for: usbus0 usbus1 usbus2
uhub2: 4 ports with 4 removable, self powered
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
Root mount waiting for: usbus0 usbus2
ugen0.2: <vendor 0x8087 product 0x0024> at usbus0
uhub3 on uhub1
uhub3: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on
usbus0
Root mount waiting for: usbus0 usbus2
ugen2.2: <vendor 0x8087 product 0x0024> at usbus2
uhub4 on uhub0
uhub4: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on
usbus2
uhub3: 6 ports with 6 removable, self powered
Root mount waiting for: usbus2
uhub4: 8 ports with 8 removable, self powered

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Re: speedtest.net in multi connections mode causes the FreeBSD 13-CURRENT router to crash

Allan Jude-9
On 2020-08-28 08:02, S.N. Trigub wrote:

> Hi!
>
> I run FreeBSD 13.0-CURRENT #0 r363772 as router in small office with two
> network interface: sk0 and sk1.
> sk0 connected to 2 providers (main and backup) via VLAN and natd, sk1
> connected to office network via VLAN.
> I had to use VLAN due to cabling issues.
>
> As soon as the user runs the speedtest.net in browser on any client
> computer in network
> FreeBSD router goes into panic mode and automatically reboot during
> multi connection upload test.
> In single connections mode of speedtest.net all is fine.
>
> Error is : Fatal trap 12: page fault while in kernel mode.
>
> In my opinion the error is caused by multiple openings of outgoing
> connections on router in a short period of time.
> This is not a hardware error. I tested it on three different
> motherboards with different kernel versions and diffenent amount of RAM
> (8GB DDR2 and 16, 24, 32GB DDR3).
> Maybe this is somehow due to the use of VLAN, or network card driver
> problem...
> I noticed this problem about six months ago when I switched from FreeBSD
> 12-Current to FreeBSD 13-Current.
> Since then I have been updating the kernel about once a week, but the
> error still present.
>
> I read on the some artictes in Internet that this can happen when tcp
> extensions are enabled. I disabled tcp_extensons in rc.conf, and
> set some sysctls params as described in Internet-articles, but it didn't
> affect anything.
> The same error sometimes occurs when clients are talking on Skype.
>
> Could you help me? Any idea is appreciated!
>
> Thank you.
> Sergei.
>
Usually, just under the message 'Fatal trap 12: page fault while in
kernel mode.' there will be some other debugging information,
specifically, the 'stack backtrace', which shows where in the code the
crash happened.

If you can manage to capture that, it will be much easier to investigate
your issue.

Here is a random example I managed to find on the internet:

https://preview.redd.it/cch19ymrucy21.png?width=644&format=png&auto=webp&s=bd483ca83d80fb0cdccb9b835d71b6d9812c592e




--
Allan Jude


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Re: speedtest.net in multi connections mode causes the FreeBSD 13-CURRENT router to crash

Ronald Klop
In reply to this post by S.N. Trigub
On Fri, 28 Aug 2020 14:02:46 +0200, S.N. Trigub <[hidden email]>  
wrote:

> Hi!
>
> I run FreeBSD 13.0-CURRENT #0 r363772 as router in small office with two  
> network interface: sk0 and sk1.
> sk0 connected to 2 providers (main and backup) via VLAN and natd, sk1  
> connected to office network via VLAN.
> I had to use VLAN due to cabling issues.
>
> As soon as the user runs the speedtest.net in browser on any client  
> computer in network
> FreeBSD router goes into panic mode and automatically reboot during  
> multi connection upload test.
> In single connections mode of speedtest.net all is fine.
>
> Error is : Fatal trap 12: page fault while in kernel mode.


FreeBSD can also generate a crashdump.
This is configured by dumpdev in /etc/rc.conf (/etc/defaults/rc.conf). The  
default 'AUTO' is to dump to swap if it is not encrypted and the swap size  
is big enough. You can also specify a specific device to dump to.
This dump contains all the information for a dev needed to debug this.

https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html

Regards,
Ronald


>
> In my opinion the error is caused by multiple openings of outgoing  
> connections on router in a short period of time.
> This is not a hardware error. I tested it on three different  
> motherboards with different kernel versions and diffenent amount of RAM  
> (8GB DDR2 and 16, 24, 32GB DDR3).
> Maybe this is somehow due to the use of VLAN, or network card driver  
> problem...
> I noticed this problem about six months ago when I switched from FreeBSD  
> 12-Current to FreeBSD 13-Current.
> Since then I have been updating the kernel about once a week, but the  
> error still present.
>
> I read on the some artictes in Internet that this can happen when tcp  
> extensions are enabled. I disabled tcp_extensons in rc.conf, and
> set some sysctls params as described in Internet-articles, but it didn't  
> affect anything.
> The same error sometimes occurs when clients are talking on Skype.
>
> Could you help me? Any idea is appreciated!
>
> Thank you.
> Sergei.
>
> ====================My network  
> cards:================================================================
>
> skc0: <D-Link DGE-530T Gigabit Ethernet> port 0xc100-0xc1ff mem  
> 0xf7b44000-0xf7b47fff irq 16 at device 1.0 on pci6
> skc0: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
> sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
> sk0: Ethernet address: 00:15:e9:b8:c3:53
> miibus1: <MII bus> on sk0
> e1000phy0: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus1
> e1000phy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,  
> 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
>
> skc1: <D-Link DGE-530T Gigabit Ethernet> port 0xc000-0xc0ff mem  
> 0xf7b40000-0xf7b43fff irq 17 at device 2.0 on pci6
> skc1: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
> sk1: <Marvell Semiconductor, Inc. Yukon> on skc1
> sk1: Ethernet address: 00:19:5b:8a:97:a7
> miibus2: <MII bus> on sk1
> e1000phy1: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus2
> e1000phy1:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,  
> 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
>
>
> ================================ My  
> natd.conf:====================================================================
>
> instance default
> interface vlan2
> port 8668
> use_sockets yes
> same_ports yes
> #
> instance vlan3
> interface vlan3
> port 8669
> use_sockets yes
> same_ports yes
> #
> globalport 8670
> #
> #
>
> ===================== My  
> rc.conf:=========================================================================
>
> defaultrouter="109.251.97.65"
> tcp_extensions="NO"        # Set to NO to turn off RFC1323 extensions.
> #
> ifconfig_sk0="up -rxcsum -txcsum"
> ifconfig_sk1="up -rxcsum -txcsum"
> ipv6_network_interfaces="none"          # Default is auto
> ipv6_activate_all_interfaces="NO"       # this is the default
> ip6addrctl_enable="NO"                  # New way to disable IPv6 support
> ip6addrctl_policy="ipv4_prefer"         # Use IPv4 instead of IPv6
> cloned_interfaces="vlan2 vlan3 vlan5"
> #
> # vlan2 – provider 1 as main
> # vlan3 -- provider 2 as backup
> # vlan5 – office network
> #
> ifconfig_vlan2="inet 109.251.97.75 netmask 255.255.255.224   vlan 2  
> vlandev sk0"
> ifconfig_vlan3="inet 95.164.8.37     netmask 255.255.252.0   vlan 3  
> vlandev sk0"
> ifconfig_vlan5="inet 10.10.10.177  netmask 255.255.255.240 vlan 5  
> vlandev sk1"
> #
> gateway_enable="YES"
> #
> zfs_enable="YES"  # Set to YES to automatically mount ZFS file systems
> natd_enable="YES"        # enables NAT
> natd_flags="-f /etc/natd.conf"
>
>
> ============== My  
> sysctl.conf:===============================================================================
>
> debug.debugger_on_panic=0
> kern.coredump=0
> kern.corefile=/dev/null
> net.inet.ip.fw.one_pass=1
> net.inet.tcp.blackhole=2
> net.inet.udp.blackhole=1
> net.inet.tcp.recvspace=1048576
> net.inet.tcp.sendspace=524288
> net.inet.tcp.recvbuf_max=4194304
> net.inet.tcp.sendbuf_inc=65535
> net.inet.tcp.msl=5000
> net.inet.ip.fw.dyn_buckets=65536
> net.inet.ip.fw.dyn_max=65536
> net.inet.ip.fw.dyn_ack_lifetime=120
> net.inet.ip.fw.dyn_syn_lifetime=10
> net.inet.ip.fw.dyn_fin_lifetime=2
> net.inet.ip.fw.dyn_short_lifetime=10
>
>
> ========================= My  
> loader.conf:==============================================================
>
> zfs_load="YES"
> vfs.root.mountfrom="zfs:zpoolasr"
> vfs.zfs.prefetch_disable=0
> accf_data_load="YES"        # Wait for data accept filter
> accf_dns_load="YES"        # Wait for full DNS request accept filter
> accf_http_load="YES"        # Wait for full HTTP request accept filter
> coretemp_load="YES"
> hw.vga.textmode=0
>
>
> ============================= My kernel  
> config:==========================================================
>
> include GENERIC
> #
> ident  HOME64
> #
> nooptions  KDB   # Enable kernel debugger support.
> nooptions  KDB_TRACE  # Print a stack trace for a panic.
> nooptions  DDB   # Support DDB.
> nooptions  GDB   # Support remote GDB.
> options  KDB_UNATTENDED          # Don't enter debugger after panic
> nooptions  INVARIANTS  # Enable calls of extra sanity checking
> nooptions  INVARIANT_SUPPORT # Extra sanity checks of internal  
> structures, required by INVARIANTS
> nooptions  WITNESS   # Enable checks to detect deadlocks and cycles
> nooptions  WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
> nooptions  WITNESS_KDB
> nooptions  SOCKBUF_DEBUG
> nooptions  DIAGNOSTIC
> nooptions  DEBUG_MEMGUARD
> nooptions  DEBUG_VFS_LOCKS
> #
> device   smb
> device   smbus    # System management bus
> device   intpm    # Intel power management
> device  iicbus    # I2C bus system
> device   iicsmb    # I2C to SMB bridge
> device   iicbb    # I2C generic bit-banging drive
> device  ichsmb   # Intel ICH SMBus controller chips (82801AA, 82801AB,  
> 82801BA)
> #
> options  ALTQ
> options  ALTQ_CBQ
> options  ALTQ_RED
> options  ALTQ_RIO
> options  ALTQ_HFSC
> options  ALTQ_PRIQ
> options  ALTQ_NOPCC
>
> options  MROUTING  # Multicast routing
> options  ROUTETABLES=4  # max 16. 1 is back compatible.
>
> options  IPFILTER
> #
> # FIREWALL
> #
> options  IPFIREWALL
> options  IPFIREWALL_DEFAULT_TO_ACCEPT
> options  IPFIREWALL_NAT  #ipfw kernel nat support
> options  IPSTEALTH  #support for stealth forwarding
> options  TCPDEBUG
>
> options  IPDIVERT  #divert sockets
>
> options  TCP_SIGNATURE  #include support for RFC 2385
>
> #
> # NETGRAPH
> #
> options  NETGRAPH
> options  NETGRAPH_ETHER
> options  NETGRAPH_SOCKET
> options  NETGRAPH_MPPC_ENCRYPTION
> options  NETGRAPH_MPPC_COMPRESSION
> options  NETGRAPH_BPF
> options         NETGRAPH_IFACE
> options         NETGRAPH_KSOCKET
> options         NETGRAPH_PPP
> options         NETGRAPH_PPTPGRE
> options         NETGRAPH_TCPMSS
> options         NETGRAPH_VJC
> options         NETGRAPH_ONE2MANY
> options         NETGRAPH_RFC1490
> options         NETGRAPH_TEE
> options         NETGRAPH_TTY
> options         NETGRAPH_UI
>
> # libalias library, performing NAT
> options  LIBALIAS
> options  LIBICONV
>
> # mchain library. It can be either loaded as KLD or compiled into kernel
> options  LIBMCHAIN
>
> #options  FLOWTABLE  # per-cpu routing cache
>
> options  DUMMYNET
> options  HZ=1000
>
> # Cryptographically secure random number generator; /dev/random
> device  cryptodev # /dev/crypto for access to h/w
> device  rndtest  # FIPS 140-2 entropy tester
>
> options  GEOM_BDE  # Disk encryption.
> options  GEOM_ELI  # Disk encryption.
>
> ======================= My  
> dmesg.boot:====================================================================
>
> VERBOSE_SYSINIT: DDB not enabled, symbol lookups disabled.
> Copyright (c) 1992-2020 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 13.0-CURRENT #0 r363772: Sun Aug  2 20:37:24 EEST 2020
>     [hidden email]:/usr/obj/usr/src/amd64.amd64/sys/HOME64  
> amd64
> FreeBSD clang version 10.0.1 ([hidden email]:llvm/llvm-project.git  
> llvmorg-10.0.1-rc2-0-g77d76b71d7d)
> VT(vga): resolution 640x480
> VERBOSE_SYSINIT: DDB not enabled, symbol lookups disabled.
> CPU: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz (3411.20-MHz K8-class CPU)
>   Origin="GenuineIntel"  Id=0x306a9  Family=0x6  Model=0x3a  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>
>   Features2=0x7fbae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
>   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
>   AMD Features2=0x1<LAHF>
>   Structured Extended Features=0x281<FSGSBASE,SMEP,ERMS>
>   XSAVE Features=0x1<XSAVEOPT>
>   VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
>   TSC: P-state invariant, performance statistics
> real memory  = 34359738368 (32768 MB)
> avail memory = 33295888384 (31753 MB)
> Event timer "LAPIC" quality 600
> ACPI APIC Table: <ALASKA A M I>
> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
> FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 hardware threads
> random: registering fast source Intel Secure Key RNG
> random: fast provider: "Intel Secure Key RNG"
> random: unblocking device.
> ioapic0 <Version 2.0> irqs 0-23
> Launching APs: 1 7 6 2 4 5 3
> Timecounter "TSC-low" frequency 1705600786 Hz quality 1000
> random: entropy device external interface
> 000.000018 [4342] netmap_init               netmap: loaded module
> [ath_hal] loaded
> WARNING: Device "kbd" is Giant locked and may be deleted before FreeBSD  
> 13.0.
> kbd1 at kbdmux0
> nexus0
> vtvga0: <VT VGA driver>
> cryptosoft0: <software crypto>
> acpi0: <ALASKA A M I>
> acpi0: Power Button (fixed)
> cpu0: <ACPI CPU> on acpi0
> hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
> Timecounter "HPET" frequency 14318180 Hz quality 950
> Event timer "HPET" frequency 14318180 Hz quality 550
> atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
> atrtc0: Warning: Couldn't map I/O.
> atrtc0: registered as a time-of-day clock, resolution 1.000000s
> Event timer "RTC" frequency 32768 Hz quality 0
> attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
> Timecounter "i8254" frequency 1193182 Hz quality 0
> Event timer "i8254" frequency 1193182 Hz quality 100
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
> acpi_ec0: <Embedded Controller: GPE 0x18> port 0x62,0x66 on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
> pci1: <ACPI PCI bus> on pcib1
> vgapci0: <VGA-compatible display> port 0xe000-0xe0ff mem  
> 0xe0000000-0xefffffff,0xf7d20000-0xf7d2ffff irq 16 at device 0.0 on pci1
> vgapci0: Boot video device
> hdac0: <ATI RV730 HDA Controller> mem 0xf7d30000-0xf7d33fff irq 17 at  
> device 0.1 on pci1
> pci0: <simple comms> at device 22.0 (no driver attached)
> ehci0: <Intel Cougar Point USB 2.0 controller> mem 0xf7e08000-0xf7e083ff  
> irq 23 at device 26.0 on pci0
> usbus0: EHCI version 1.0
> usbus0 on ehci0
> usbus0: 480Mbps High Speed USB v2.0
> hdac1: <Intel Cougar Point HDA Controller> mem 0xf7e00000-0xf7e03fff irq  
> 22 at device 27.0 on pci0
> pcib2: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0
> pci2: <ACPI PCI bus> on pcib2
> aac0: <Adaptec RAID Controller> mem 0xf7800000-0xf79fffff irq 16 at  
> device 0.0 on pci2
> aac0: Enabling 64-bit address support
> aac0: Enable Raw I/O
> aac0: Enable 64-bit array
> aac0: New comm. interface enabled
> aac0: Adaptec 5805Z, aac driver 2.1.9-1
> aacp0 on aac0
> aacp1 on aac0
> aacp2 on aac0
> pcib3: <ACPI PCI-PCI bridge> irq 17 at device 28.5 on pci0
> pci3: <ACPI PCI bus> on pcib3
> xhci0: <ASMedia ASM1042 USB 3.0 controller> mem 0xf7c00000-0xf7c07fff  
> irq 17 at device 0.0 on pci3
> xhci0: 32 bytes context size, 32-bit DMA
> xhci0: Unable to map MSI-X table
> usbus1 on xhci0
> usbus1: 5.0Gbps Super Speed USB v3.0
> pcib4: <ACPI PCI-PCI bridge> irq 18 at device 28.6 on pci0
> pci4: <ACPI PCI bus> on pcib4
> re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port  
> 0xd000-0xd0ff mem 0xf0004000-0xf0004fff,0xf0000000-0xf0003fff irq 18 at  
> device 0.0 on pci4
> re0: Using 1 MSI-X message
> re0: Chip rev. 0x2c800000
> re0: MAC rev. 0x00100000
> miibus0: <MII bus> on re0
> rgephy0: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 1 on  
> miibus0
> rgephy0:  none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX,  
> 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT, 1000baseT-master,  
> 1000baseT-FDX, 1000baseT-FDX-master, 1000baseT-FDX-flow,  
> 1000baseT-FDX-flow-master, auto, auto-flow
> re0: Using defaults for TSO: 65518/35/2048
> re0: Ethernet address: 00:0b:0e:0f:00:ed
> re0: netmap queues/slots: TX 1/256, RX 1/256
> pcib5: <ACPI PCI-PCI bridge> irq 19 at device 28.7 on pci0
> pci5: <ACPI PCI bus> on pcib5
> pcib6: <ACPI PCI-PCI bridge> irq 19 at device 0.0 on pci5
> pci6: <ACPI PCI bus> on pcib6
> skc0: <D-Link DGE-530T Gigabit Ethernet> port 0xc100-0xc1ff mem  
> 0xf7b44000-0xf7b47fff irq 16 at device 1.0 on pci6
> skc0: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
> sk0: <Marvell Semiconductor, Inc. Yukon> on skc0
> sk0: Ethernet address: 00:15:e9:b8:c3:53
> miibus1: <MII bus> on sk0
> e1000phy0: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus1
> e1000phy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,  
> 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
> skc1: <D-Link DGE-530T Gigabit Ethernet> port 0xc000-0xc0ff mem  
> 0xf7b40000-0xf7b43fff irq 17 at device 2.0 on pci6
> skc1: DGE-530T Gigabit Ethernet Adapter rev. (0x9)
> sk1: <Marvell Semiconductor, Inc. Yukon> on skc1
> sk1: Ethernet address: 00:19:5b:8a:97:a7
> miibus2: <MII bus> on sk1
> e1000phy1: <Marvell 88E1011 Gigabit PHY> PHY 0 on miibus2
> e1000phy1:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,  
> 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
> ehci1: <Intel Cougar Point USB 2.0 controller> mem 0xf7e07000-0xf7e073ff  
> irq 23 at device 29.0 on pci0
> usbus2: EHCI version 1.0
> usbus2 on ehci1
> usbus2: 480Mbps High Speed USB v2.0
> isab0: <PCI-ISA bridge> at device 31.0 on pci0
> isa0: <ISA bus> on isab0
> ahci0: <Intel Cougar Point AHCI SATA controller> port  
> 0xf070-0xf077,0xf060-0xf063,0xf050-0xf057,0xf040-0xf043,0xf020-0xf03f  
> mem 0xf7e06000-0xf7e067ff irq 19 at device 31.2 on pci0
> ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported
> ahcich5: <AHCI channel> at channel 5 on ahci0
> ahciem0: <AHCI enclosure management bridge> on ahci0
> ichsmb0: <Intel Cougar Point SMBus controller> port 0xf000-0xf01f mem  
> 0xf7e05000-0xf7e050ff irq 18 at device 31.3 on pci0
> acpi_button0: <Power Button> on acpi0
> acpi_tz0: <Thermal Zone> on acpi0
> acpi_tz1: <Thermal Zone> on acpi0
> atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
> orm0: <ISA Option ROMs> at iomem 0xc0000-0xcffff,0xd0000-0xd67ff pnpid  
> ORM0000 on isa0
> coretemp0: <CPU On-Die Thermal Sensors> on cpu0
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> ZFS filesystem version: 5
> ZFS storage pool version: features support (5000)
> Timecounters tick every 1.000 msec
> IP Filter: v5.1.2 initialized.  Default = pass all, Logging = disabled
> ipfw2 (+ipv6) initialized, divert enabled, nat enabled, default to  
> accept, logging disabled
> load_dn_sched dn_sched FQ_PIE loaded
> load_dn_sched dn_sched PRIO loaded
> load_dn_sched dn_sched QFQ loaded
> load_dn_sched dn_sched RR loaded
> load_dn_sched dn_sched WF2Q+ loaded
> load_dn_sched dn_sched FIFO loaded
> load_dn_sched dn_sched FQ_CODEL loaded
> load_dn_aqm dn_aqm CODEL loaded
> load_dn_aqm dn_aqm PIE loaded
> Obsolete code will be removed soon: random(9) is the obsolete  
> Park-Miller LCG from 1988
> hdacc0: <ATI R6xx HDA CODEC> at cad 0 on hdac0
> hdaa0: <ATI R6xx Audio Function Group> at nid 1 on hdacc0
> pcm0: <ATI R6xx (HDMI)> at nid 3 on hdaa0
> hdacc1: <Realtek ALC887 HDA CODEC> at cad 0 on hdac1
> hdaa1: <Realtek ALC887 Audio Function Group> at nid 1 on hdacc1
> pcm1: <Realtek ALC887 (Rear Analog 7.1/2.0)> at nid 20,22,21,23 and  
> 24,26 on hdaa1
> pcm2: <Realtek ALC887 (Front Analog)> at nid 27 and 25 on hdaa1
> pcm3: <Realtek ALC887 (Rear Digital)> at nid 30 on hdaa1
> pcm4: <Realtek ALC887 (Onboard Digital)> at nid 17 on hdaa1
> aacd0 on aac0
> aacd0: 11443190MB (23435653120 sectors)
> ugen0.1: <Intel EHCI root HUB> at usbus0
> smbus0: <System Management Bus> on ichsmb0
> smb0: <SMBus generic I/O> on smbus0
> Trying to mount root from zfs:zpoolasr []...
> ugen2.1: <Intel EHCI root HUB> at usbus2
> uhub0 on usbus2
> uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
> uhub1 on usbus0
> uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
> ugen1.1: <0x1b21 XHCI root HUB> at usbus1
> uhub2 on usbus1
> uhub2: <0x1b21 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus1
> ses0 at ahciem0 bus 0 scbus4 target 0 lun 0
> ses0: <AHCI SGPIO Enclosure 2.00 0001> SEMB S-E-S 2.00 device
> ses0: SEMB SES Device
> ada0 at ahcich5 bus 0 scbus3 target 0 lun 0
> ada0: <HGST HTS721010A9E630 JB0OA3B0> ATA8-ACS SATA 3.x device
> ada0: Serial Number JG40006EG6NTMC
> ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada0: Command Queueing enabled
> ada0: 953869MB (1953525168 512 byte sectors)
> ses0: ada0 in 'Slot 05', SATA Slot: scbus3 target 0
> pass0 at aacp0 bus 0 scbus0 target 0 lun 0
> pass0: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
> pass0: Serial Number VBG2MV2R
> pass0: 3.300MB/s transfers
> pass1 at aacp0 bus 0 scbus0 target 1 lun 0
> pass1: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
> pass1: Serial Number VBG2G5ZR
> pass1: 3.300MB/s transfers
> pass2 at aacp0 bus 0 scbus0 target 2 lun 0
> pass2: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
> pass2: Serial Number VBG2G2HR
> pass2: 3.300MB/s transfers
> pass3 at aacp0 bus 0 scbus0 target 3 lun 0
> pass3: <WDC WD4005FZBX-0 01.0> Fixed Uninstalled SPC-3 SCSI device
> pass3: Serial Number VBG2HMVR
> pass3: 3.300MB/s transfers
> Root mount waiting for: usbus0 usbus1 usbus2
> uhub2: 4 ports with 4 removable, self powered
> uhub0: 2 ports with 2 removable, self powered
> uhub1: 2 ports with 2 removable, self powered
> Root mount waiting for: usbus0 usbus2
> ugen0.2: <vendor 0x8087 product 0x0024> at usbus0
> uhub3 on uhub1
> uhub3: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2>  
> on usbus0
> Root mount waiting for: usbus0 usbus2
> ugen2.2: <vendor 0x8087 product 0x0024> at usbus2
> uhub4 on uhub0
> uhub4: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2>  
> on usbus2
> uhub3: 6 ports with 6 removable, self powered
> Root mount waiting for: usbus2
> uhub4: 8 ports with 8 removable, self powered
>
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