On Mon, Apr 18, 2016 at 10:50:46AM +0200, Martin Pieuchot wrote:
> The current goal of the Network SMP effort is to have a single CPU
> process the IP forwarding path in a process context without holding
> the KERNEL_LOCK(). To achieve this goal we're progressively moving
> code from the softnet interrupt context to the if_input_task. In
> the end we'll completely get rid of this soft-interrupt.
>
> So now would be a good time to know if moving all the code currently
> run in a soft-interrupt context to a task uncovers any bug. I'm
> happily running the diff below on amd64 and macppc, it even gives me
> a small performance boost.
>
> I'd appreciate more tests especially on exotic archs.
I've been running with this diff since you posted it on my home router.
I have not encountered any issues.
See ifconfig/route show/sysctl.conf/dmesg output below.
ifconfig:
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 32768
priority: 0
groups: lo
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet 127.0.0.1 netmask 0xff000000
re0: flags=18843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,MPSAFE> mtu 1500
lladdr 90:e6:ba:74:0e:38
description: WAN
priority: 0
groups: egress
media: Ethernet autoselect (1000baseT full-duplex,rxpause,txpause)
status: active
inet 82.13.64.4 netmask 0xfffff000 broadcast 82.13.79.255
re1:
flags=18b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST,MPSAFE> mtu
1500
lladdr 80:ee:73:9f:1d:3d
description: Main subnet
priority: 0
media: Ethernet autoselect (1000baseT
full-duplex,master,rxpause,txpause)
status: active
inet 10.0.0.1 netmask 0xffffff00 broadcast 10.0.0.255
inet6 fe80::82ee:73ff:fe9f:1d3d%re1 prefixlen 64 scopeid 0x2
inet6 2001:470:1f15:b42::1 prefixlen 64
inet6 fdfc::1 prefixlen 64
enc0: flags=0<>
priority: 0
groups: enc
status: active
axe0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr d8:eb:97:bd:8a:77
description: VoIP subnet
priority: 0
media: Ethernet autoselect (100baseTX full-duplex)
status: active
inet 10.0.1.1 netmask 0xffffff00 broadcast 10.0.1.255
tun0: flags=8043<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
description: tinc VPN
priority: 0
groups: tun
status: active
inet 172.17.0.2 netmask 0xffffff00 broadcast 172.17.0.255
tun1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1304
description: cjdns
priority: 0
groups: tun
status: active
inet6 fe80::92e6:baff:fe74:e38%tun1 -> prefixlen 64 scopeid 0x7
inet6 fcac:2580:3f14:3393:f405:d913:98af:ec5f -> prefixlen 8
tun2: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500
description: stun
priority: 0
groups: tun
status: down
inet 10.10.0.2 --> 10.10.0.1 netmask 0xffffffff
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1480
description: Hurricane Electric 6in4 link
priority: 0
groups: gif egress
tunnel: inet 82.13.64.4 -> 216.66.84.46
inet6 fe80::92e6:baff:fe74:e38%gif0 -> prefixlen 64 scopeid 0x9
inet6 2001:470:1f14:b42::2 -> 2001:470:1f14:b42::1 prefixlen 128
bridge0: flags=41<UP,RUNNING>
description: Dedi bridge
groups: bridge
priority 32768 hellotime 2 fwddelay 15 maxage 20 holdcnt 6 proto rstp
re1 flags=3<LEARNING,DISCOVER>
port 2 ifpriority 0 ifcost 0
tap0 flags=3<LEARNING,DISCOVER>
port 13 ifpriority 0 ifcost 0
pflow0: flags=41<UP,RUNNING> mtu 1492
priority: 0
pflow: sender: 10.0.0.1 receiver: 10.0.0.7:3001 version: 5
groups: pflow
pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33144
priority: 0
groups: pflog
tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
lladdr fe:e1:ba:d0:b8:5e
priority: 0
groups: tap
status: active
inet 10.0.0.14 netmask 0xffffff00 broadcast 10.0.0.255
route show:
Routing tables
Internet:
Destination Gateway Flags Refs Use Mtu Prio Iface
default cpc92320-cmbg19-2- UGS 13 36158691 - 8 re0
BASE-ADDRESS.MCAST localhost URS 0 28680 32768 8 lo0
10.0.0/24 sun UCP 4 10431 - 4 re1
10.0.0/24 10.0.0.14 UCP 0 0 - 4 tap0
sun 80:ee:73:9f:1d:3d UHLl 0 24952 - 1 re1
jupiter 34:64:a9:9a:5f:1c UHLc 3 14403576 - 4 re1
callisto 04:18:d6:f0:47:cd UHLc 0 16453 - 4 re1
pluto-mgmt e4:8d:8c:19:38:af UHLc 0 10449 - 4 re1
10.0.0.14 fe:e1:ba:d0:b8:5e UHLl 0 125 - 1 tap0
10.0.0.15 00:bd:ae:38:00:00 UHLc 1 8975 - 4 re1
10.0.0.255 sun UHPb 0 987 - 1 re1
10.0.0.255 10.0.0.14 UHPb 0 0 - 1 tap0
10.0.1/24 10.0.1.1 UC 1 8 - 4 axe0
10.0.1.1 d8:eb:97:bd:8a:77 UHLl 0 15580 - 1 axe0
phone 00:0b:82:62:2d:5d UHLc 1 50621 - 4 axe0
10.0.1.255 10.0.1.1 UHb 0 0 - 1 axe0
10.10.0.1 10.10.0.2 H 0 0 - 8 tun2
10.10.0.2 10.10.0.2 UHl 0 0 - 1 tun2
82.13.64/20 cpc92320-cmbg19-2- UC 1 4146546 - 4 re0
cpc92320-cmbg19-2- 00:01:5c:86:ac:47 UHLc 1 2073274 - 4 re0
cpc92320-cmbg19-2- 90:e6:ba:74:0e:38 UHLl 0 1192170 - 1 re0
82.13.79.255 cpc92320-cmbg19-2- UHb 0 0 - 1 re0
loopback localhost UGRS 0 0 32768 8 lo0
localhost localhost UHl 2 12501 32768 1 lo0
172.17.0/24 sun.2f30 UC 3 0 - 4 tun0
sun.2f30 tun0 UHl 0 7 - 1 tun0
saturn.2f30 link#0 UHc 0 3 - 4 tun0
wolfsschanze.2f30 link#0 UHc 0 176 - 4 tun0
apophis.2f30 link#0 UHc 0 4 - 4 tun0
172.17.0.255 sun.2f30 UHb 0 0 - 1 tun0
172.17.0.255 sun.2f30 H 0 0 - 8 tun0
Internet6:
Destination Gateway Flags Refs Use Mtu Prio Iface
default stateless-1.tunnel UGS 2 254424 - 8 gif0
::/96 localhost UGRS 0 0 32768 8 lo0
::/104 localhost UGRS 0 0 32768 8 lo0
localhost localhost UHl 3 3 32768 1 lo0
::127.0.0.0/104 localhost UGRS 0 0 32768 8 lo0
::224.0.0.0/100 localhost UGRS 0 0 32768 8 lo0
::255.0.0.0/104 localhost UGRS 0 0 32768 8 lo0
::ffff:0.0.0.0/96 localhost UGRS 0 0 32768 8 lo0
stateless-1.tunnel stateless-1-pt.tun UH 1 121373 - 8 gif0
stateless-1-pt.tun stateless-1-pt.tun UHl 0 238 - 1 gif0
2001:470:1f15:b42: 2001:470:1f15:b42: UC 8 46 - 4 re1
2001:470:1f15:b42: 80:ee:73:9f:1d:3d UHLl 1 7815 - 1 re1
2001:470:1f15:b42: 34:64:a9:9a:5f:1c UHLc 0 37922 - 4 re1
2001:470:1f15:b42: 04:18:d6:f0:47:cd UHLc 0 849 - 4 re1
2001:470:1f15:b42: 00:21:cc:5d:e1:40 UHLc 0 1349 - 4 re1
2001:470:1f15:b42: 14:da:e9:a3:03:c6 UHLc 0 2933 - 4 re1
2001:470:1f15:b42: 14:da:e9:a3:03:c6 UHLc 0 11831 - 4 re1
2001:470:1f15:b42: 00:21:cc:5d:e1:40 UHLc 0 51 - 4 re1
2001:470:1f15:b42: 00:21:cc:5d:e1:40 UHLc 0 347 - 4 re1
2001:470:1f15:b42: 14:da:e9:a3:03:c6 UHLc 0 5881 - 4 re1
2002::/24 localhost UGRS 0 0 32768 8 lo0
2002:7f00::/24 localhost UGRS 0 0 32768 8 lo0
2002:e000::/20 localhost UGRS 0 0 32768 8 lo0
2002:ff00::/24 localhost UGRS 0 0 32768 8 lo0
fc00::/8 fcac:2580:3f14:339 UC 2 0 - 4 tun1
fc34:8675:ed95:600 link#0 UHc 0 22 - 4 tun1
fcac:2580:3f14:339 fcac:2580:3f14:339 UHl 0 39 - 1 tun1
fcf4:e309:14b5:549 link#0 UHc 0 31 - 4 tun1
fdfc::/64 fdfc::1 UC 1 42 - 4 re1
fdfc::1 80:ee:73:9f:1d:3d UHLl 0 2 - 1 re1
fdfc::e146:48f4:f2 0c:fe:45:ab:0b:34 UHLc 0 29 - 4 re1
fe80::/10 localhost UGRS 0 3 32768 8 lo0
fec0::/10 localhost UGRS 0 0 32768 8 lo0
fe80::%re1/64 fe80::82ee:73ff:fe UC 4 7 - 4 re1
fe80::221:ccff:fe5 00:21:cc:5d:e1:40 UHLc 0 3654 - 4 re1
fe80::618:d6ff:fef 04:18:d6:f0:47:cd UHLc 0 734 - 4 re1
fe80::824:4a5b:7bc 14:da:e9:a3:03:c6 UHLc 0 928 - 4 re1
fe80::efe:45ff:fea 0c:fe:45:ab:0b:34 UHLc 0 8 - 4 re1
fe80::82ee:73ff:fe 80:ee:73:9f:1d:3d UHLl 0 1394 - 1 re1
fe80::1%lo0 fe80::1%lo0 UHl 0 0 32768 1 lo0
fe80::92e6:baff:fe fe80::92e6:baff:fe UHl 0 0 - 1 tun1
fe80::92e6:baff:fe fe80::92e6:baff:fe UHl 0 0 - 1 gif0
ff01::/16 localhost UGRS 0 3 32768 8 lo0
ff01::%re1/32 fe80::82ee:73ff:fe UC 0 2 - 4 re1
ff01::%lo0/32 localhost UC 0 1 32768 4 lo0
ff01::%tun1/32 fe80::92e6:baff:fe UC 0 1 - 4 tun1
ff01::%gif0/32 fe80::92e6:baff:fe UC 0 1 - 4 gif0
ff02::/16 localhost UGRS 0 3 32768 8 lo0
ff02::%re1/32 fe80::82ee:73ff:fe UC 13 2 - 4 re1
ff02::1:ff00:3%re1 link#2 UHLc 0 5 - 4 re1
ff02::1:ff00:5%re1 link#2 UHLc 0 7 - 4 re1
ff02::1:ff00:6%re1 link#2 UHLc 0 3 - 4 re1
ff02::1:ff21:12a3% link#2 UHLc 0 3 - 4 re1
ff02::1:ff44:ffda% link#2 UHLc 0 4 - 4 re1
ff02::1:ff5a:f3f7% link#2 UHLc 0 3 - 4 re1
ff02::1:ff5e:55f3% link#2 UHLc 0 3 - 4 re1
ff02::1:ff63:246b% link#2 UHLc 0 3 - 4 re1
ff02::1:ffa3:95f7% link#2 UHLc 0 3 - 4 re1
ff02::1:ffb8:8eea% link#2 UHLc 0 3 - 4 re1
ff02::1:ffcb:e183% link#2 UHLc 0 3 - 4 re1
ff02::1:ffcd:f4c8% link#2 UHLc 0 3 - 4 re1
ff02::1:ffdf:6307% link#2 UHLc 0 16 - 4 re1
ff02::%lo0/32 localhost UC 0 1 32768 4 lo0
ff02::%tun1/32 fe80::92e6:baff:fe UC 0 1 - 4 tun1
ff02::%gif0/32 fe80::92e6:baff:fe UC 0 1 - 4 gif0
/etc/sysctl.conf:
net.inet.ip.forwarding=1
net.inet6.ip6.forwarding=1
ddb.console=1
dmesg:
OpenBSD 5.9-current (GENERIC.MP) #0: Mon Apr 18 14:33:50 BST 2016
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 7450062848 (7104MB)
avail mem = 7220019200 (6885MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xec1e0 (76 entries)
bios0: vendor American Megatrends Inc. version "1.03" date 06/18/2014
bios0: Shuttle Inc. XH81V
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP APIC FPDT SLIC SSDT SSDT MCFG HPET SSDT SSDT
acpi0: wakeup devices PXSX(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4)
PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) PXSX(S4) RP06(S4) PXSX(S4) RP07(S4)
PXSX(S4) RP08(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i3-4360 CPU @ 3.70GHz, 3691.99 MHz
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,SENSOR,ARAT
cpu0: 256KB 64b/line 8-way L2 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
cpu0: apic clock running at 99MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4, IBE
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Core(TM) i3-4360 CPU @ 3.70GHz, 3691.45 MHz
cpu1:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,SENSOR,ARAT
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 1 (application processor)
cpu2: Intel(R) Core(TM) i3-4360 CPU @ 3.70GHz, 3691.45 MHz
cpu2:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,SENSOR,ARAT
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 1, core 0, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i3-4360 CPU @ 3.70GHz, 3691.46 MHz
cpu3:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,SENSOR,ARAT
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 1, core 1, package 0
ioapic0 at mainbus0: apid 8 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (RP01)
acpiprt2 at acpi0: bus 2 (RP03)
acpiprt3 at acpi0: bus 3 (RP04)
acpiprt4 at acpi0: bus -1 (PEG0)
acpiec0 at acpi0: not present
acpicpu0 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
acpicpu1 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
acpicpu2 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
acpicpu3 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
acpipwrres0 at acpi0: FN00, resource for FAN0
acpipwrres1 at acpi0: FN01, resource for FAN1
acpipwrres2 at acpi0: FN02, resource for FAN2
acpipwrres3 at acpi0: FN03, resource for FAN3
acpipwrres4 at acpi0: FN04, resource for FAN4
acpitz0 at acpi0: critical temperature is 105 degC
acpitz1 at acpi0: critical temperature is 105 degC
"PNP0103" at acpi0 not configured
"INT3F0D" at acpi0 not configured
"PNP0501" at acpi0 not configured
"PNP0501" at acpi0 not configured
acpibtn0 at acpi0: PWRB
"PNP0C0B" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD1F
cpu0: Enhanced SpeedStep 3691 MHz: speeds: 3700, 3500, 3300, 3100, 2900, 2700,
2500, 2300, 2200, 2000, 1800, 1600, 1400, 1200, 1000, 800 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 4G Host" rev 0x06
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 4600" rev 0x06
drm0 at inteldrm0
inteldrm0: msi
inteldrm0: 1024x768
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
azalia0 at pci0 dev 3 function 0 "Intel Core 4G HD Audio" rev 0x06: msi
xhci0 at pci0 dev 20 function 0 "Intel 8 Series xHCI" rev 0x05: msi
usb0 at xhci0: USB revision 3.0
uhub0 at usb0 "Intel xHCI root hub" rev 3.00/1.00 addr 1
"Intel 8 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
ehci0 at pci0 dev 26 function 0 "Intel 8 Series USB" rev 0x05: apic 8 int 16
usb1 at ehci0: USB revision 2.0
uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
azalia1 at pci0 dev 27 function 0 "Intel 8 Series HD Audio" rev 0x05: msi
azalia1: codecs: Realtek ALC662
audio0 at azalia1
ppb0 at pci0 dev 28 function 0 "Intel 8 Series PCIE" rev 0xd5: msi
pci1 at ppb0 bus 1
ppb1 at pci0 dev 28 function 2 "Intel 8 Series PCIE" rev 0xd5: msi
pci2 at ppb1 bus 2
re0 at pci2 dev 0 function 0 "Realtek 8168" rev 0x0c: RTL8168G/8111G (0x4c00),
msi, address 80:ee:73:9f:1d:3e
rgephy0 at re0 phy 7: RTL8251 PHY, rev. 0
ppb2 at pci0 dev 28 function 3 "Intel 8 Series PCIE" rev 0xd5: msi
pci3 at ppb2 bus 3
re1 at pci3 dev 0 function 0 "Realtek 8168" rev 0x0c: RTL8168G/8111G (0x4c00),
msi, address 80:ee:73:9f:1d:3d
rgephy1 at re1 phy 7: RTL8251 PHY, rev. 0
ehci1 at pci0 dev 29 function 0 "Intel 8 Series USB" rev 0x05: apic 8 int 23
usb2 at ehci1: USB revision 2.0
uhub2 at usb2 "Intel EHCI root hub" rev 2.00/1.00 addr 1
pcib0 at pci0 dev 31 function 0 "Intel H81 LPC" rev 0x05
ahci0 at pci0 dev 31 function 2 "Intel 8 Series AHCI" rev 0x05: msi, AHCI 1.3
ahci0: port 0: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, OCZ-VERTEX4, 1.5> SCSI3 0/direct fixed
naa.5e83a970d964259f
sd0: 122104MB, 512 bytes/sector, 250069680 sectors, thin
ichiic0 at pci0 dev 31 function 3 "Intel 8 Series SMBus" rev 0x05: apic 8 int 18
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
it0 at isa0 port 0x2e/2: IT8728F rev 1, EC port 0xa30
error: [drm:pid0:intel_uncore_check_errors] *ERROR* Unclaimed register before
interrupt
axe0 at uhub0 port 9 configuration 1 interface 0 "ASIX Electronics AX88772" rev
2.00/0.01 addr 2
axe0: AX88772, address d8:eb:97:bd:8a:77
ukphy0 at axe0 phy 16: Generic IEEE 802.3u media interface, rev. 1: OUI
0x000ec6, model 0x0006
uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.05 addr 2
uhub4 at uhub2 port 1 "Intel Rate Matching Hub" rev 2.00/0.05 addr 2
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (509d814c184825ca.a) swap on sd0b dump on sd0b
