faulting on networking again?

[bch <brad.harder%gmail.com@localhost>]

Very latest userland/kernel...

[..]
panic: in6_cksum: mbuf too short for IPv6 header
cpu0: Begin traceback...
vpanic() at netbsd:vpanic+0x140
snprintf() at netbsd:snprintf
in6_cksum() at netbsd:in6_cksum+0x1a2
icmp6_input() at netbsd:icmp6_input+0xbe
ip6_input() at netbsd:ip6_input+0x724
ip6intr() at netbsd:ip6intr+0x71
softint_dispatch() at netbsd:softint_dispatch+0xda
DDB lost frame for netbsd:Xsoftintr+0x4f, trying 0xfffffe8040207ff0
Xsoftintr() at netbsd:Xsoftintr+0x4f
--- interrupt ---
0:
cpu0: End traceback...



dumping to dev 0,1 (offset=8, size=1018685):
dump Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 7.99.56 (GENERIC) #153: Mon Jan  9 12:47:21 PST 2017
	root@kamloops:/usr/src/sys/arch/amd64/compile/obj/GENERIC
total memory = 3979 MB
avail memory = 3843 MB
timecounter: Timecounters tick every 10.000 msec
Kernelized RAIDframe activated
running cgd selftest aes-xts-256 aes-xts-512 done
[184] xhci* disabled
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
LENOVO 4236FZ4 (ThinkPad T420)
mainbus0 (root)
ACPI: RSDP 0x00000000000F00E0 000024 (v02 LENOVO)
ACPI: XSDT 0x00000000DAFFE120 0000AC (v01 LENOVO TP-83    00001460
PTEC 00000002)
ACPI: FACP 0x00000000DAFE8000 0000F4 (v04 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: DSDT 0x00000000DAFEB000 00E7BC (v01 LENOVO TP-83    00001460
INTL 20061109)
ACPI: FACS 0x00000000DAF2D000 000040
ACPI: FACS 0x00000000DAF2D000 000040
ACPI: SLIC 0x00000000DAFFD000 000176 (v01 LENOVO TP-83    00001460
PTEC 00000001)
ACPI: SSDT 0x00000000DAFFC000 000249 (v01 LENOVO TP-SSDT2 00000200
INTL 20061109)
ACPI: SSDT 0x00000000DAFFB000 000033 (v01 LENOVO TP-SSDT1 00000100
INTL 20061109)
ACPI: SSDT 0x00000000DAFFA000 000797 (v01 LENOVO SataAhci 00001000
INTL 20061109)
ACPI: HPET 0x00000000DAFE7000 000038 (v01 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: APIC 0x00000000DAFE6000 000098 (v01 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: MCFG 0x00000000DAFE5000 00003C (v01 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: ECDT 0x00000000DAFE4000 000052 (v01 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: ASF! 0x00000000DAFEA000 0000A5 (v32 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: TCPA 0x00000000DAFE3000 000032 (v02 PTL    LENOVO   06040000
LNVO 00000001)
ACPI: SSDT 0x00000000DAFE2000 000A27 (v01 PmRef  Cpu0Ist  00003000
INTL 20061109)
ACPI: SSDT 0x00000000DAFE1000 000996 (v01 PmRef  CpuPm    00003000
INTL 20061109)
ACPI: DMAR 0x00000000DAFE0000 0000E8 (v01 INTEL  SNB      00000001
INTL 00000001)
ACPI: UEFI 0x00000000DAFDF000 00003E (v01 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: UEFI 0x00000000DAFDE000 000042 (v01 PTL    COMBUF   00000001 PTL
 00000001)
ACPI: UEFI 0x00000000DAFDD000 000292 (v01 LENOVO TP-83    00001460 PTL
 00000002)
ACPI: 6 ACPI AML tables successfully acquired and loaded
ioapic0 at mainbus0 apid 2: pa 0xfec00000, version 0x20, 24 pins
cpu0 at mainbus0 apid 0
cpu0: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
cpu1 at mainbus0 apid 1
cpu1: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
cpu2 at mainbus0 apid 2
cpu2: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
cpu3 at mainbus0 apid 3
cpu3: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
acpi0 at mainbus0: Intel ACPICA 20160930
acpi0: X/RSDT: OemId <LENOVO,TP-83   ,00001460>, AslId <PTEC,00000002>
acpiecdt0 at acpi0: ACPI Embedded Controller via ECDT
acpi0: MCFG: segment 0, bus 0-63, address 0x00000000f8000000
ACPI: Dynamic OEM Table Load:
ACPI: SSDT 0xFFFFFE81071A0010 0008C0 (v01 PmRef  Cpu0Cst  00003001
INTL 20061109)
ACPI: Dynamic OEM Table Load:
ACPI: SSDT 0xFFFFFE8107192C10 000303 (v01 PmRef  ApIst    00003000
INTL 20061109)
ACPI: Dynamic OEM Table Load:
ACPI: SSDT 0xFFFFFE8107129A50 000119 (v01 PmRef  ApCst    00003000
INTL 20061109)
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
timecounter: Timecounter "hpet0" frequency 14318180 Hz quality 2000
acpiec0 at acpi0 (EC, PNP0C09-0): using acpiecdt0
MEM (PNP0C01) at acpi0 not configured
acpilid0 at acpi0 (LID, PNP0C0D): ACPI Lid Switch
acpibut0 at acpi0 (SLPB, PNP0C0E): ACPI Sleep Button
acpivga0 at acpi0 (VID): ACPI Display Adapter
acpiout0 at acpivga0 (LCD0, 0x0400): ACPI Display Output Device
acpiout0: brightness levels: [5,10,20,25,30,35,40,45,50,55,60,65,70,80,90,100]
acpiout1 at acpivga0 (CRT0, 0x0100): ACPI Display Output Device
acpiout2 at acpivga0 (DVI0, 0x0300): ACPI Display Output Device
acpiout3 at acpivga0 (DVI1, 0x0301): ACPI Display Output Device
acpiout4 at acpivga0 (DVI2, 0x0302): ACPI Display Output Device
acpiout5 at acpivga0 (DVI3, 0x0303): ACPI Display Output Device
acpiout6 at acpivga0 (DVI4, 0x0304): ACPI Display Output Device
acpiout7 at acpivga0 (DVI5, 0x0305): ACPI Display Output Device
acpivga0: unknown output device acpiout1
acpivga0: unknown output device acpiout2
acpivga0: unknown output device acpiout3
acpivga0: unknown output device acpiout4
acpivga0: unknown output device acpiout5
acpivga0: unknown output device acpiout6
acpivga0: unknown output device acpiout7
acpivga0: connected output devices:
acpivga0:   0x0400 (acpiout0): Unknown Output Device, head 0
SIO (PNP0C02) at acpi0 not configured
attimer1 at acpi0 (TIMR, PNP0100): io 0x40-0x43 irq 0
pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
spkr0 at pcppi1: PC Speaker
midi0 at pcppi1: PC speaker
sysbeep0 at pcppi1
pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1
pckbc2 at acpi0 (MOU, LEN0015) (aux port): irq 12
acpibat0 at acpi0 (BAT0, PNP0C0A-0): ACPI Battery
acpibat0: LGC LION rechargeable battery
acpibat0: granularity: low->warn 0.001 Wh, warn->full 0.001 Wh
acpiacad0 at acpi0 (AC, ACPI0003-0): ACPI AC Adapter
thinkpad0 at acpi0 (HKEY, LEN0068)
acpiwmi0 at acpi0 (WMI1, PNP0C14-1): ACPI WMI Interface
acpiwmibus at acpiwmi0 not configured
acpiwmi1 at acpi0 (WMI2, PNP0C14-2): ACPI WMI Interface
acpiwmibus at acpiwmi1 not configured
acpitz0 at acpi0 (THM0)
acpitz0: levels: critical 98.0 C, passive cooling
ACPI: Enabled 4 GPEs in block 00 to 3F
attimer1: attached to pcppi1
pckbd0 at pckbc1 (kbd slot)
pckbc1: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
pms0 at pckbc1 (aux slot)
pms0: Synaptics touchpad version 7.2
pms0: Extended W mode, Passthrough, Palm detect, Multi-finger Report
pckbc1: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0: vendor 8086 product 0104 (rev. 0x09)
i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 0126 (rev. 0x09)
drm: Memory usable by graphics device = 2048M
drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
drm: Driver supports precise vblank timestamp query.
i915drmkms0: interrupting at ioapic0 pin 16 (i915)
drm: Wrong MCH_SSKPD value: 0x16040307
drm: This can cause pipe underruns and display issues.
drm: Please upgrade your BIOS to fix this.
drm: GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
intelfb0 at i915drmkms0
i915drmkms0: info: registered panic notifier
intelfb0: framebuffer at 0xffff800046aed000, size 1600x900, depth 32,
stride 6400
wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation),
using wskbd0
wsmux1: connecting to wsdisplay0
vendor 8086 product 1c3a (miscellaneous communications, revision 0x04)
at pci0 dev 22 function 0 not configured
wm0 at pci0 dev 25 function 0: PCH2 LAN (82579LM) Controller (rev. 0x04)
wm0: interrupting at msi0 vec 0
wm0: PCI-Express bus
wm0: 2048 words FLASH
wm0: Ethernet address 00:21:cc:62:2c:f0
ihphy0 at wm0 phy 2: i82579 10/100/1000 media interface, rev. 3
ihphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-FDX, auto
ehci0 at pci0 dev 26 function 0: vendor 8086 product 1c2d (rev. 0x04)
ehci0: interrupting at ioapic0 pin 16
ehci0: EHCI version 1.0
usb0 at ehci0: USB revision 2.0
hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
hdaudio0: interrupting at msi1 vec 0
hdafg0 at hdaudio0: vendor 14f1 product 506e
hdafg0: DAC00 2ch: Speaker [Built-In]
hdafg0: DAC01 2ch: HP Out [Jack]
hdafg0: ADC02 2ch: Mic In [Jack]
hdafg0: ADC03 2ch: Mic In [Built-In]
hdafg0: 2ch/2ch 44100Hz 48000Hz 96000Hz PCM16 PCM20 PCM24 AC3
audio0 at hdafg0: full duplex, playback, capture, mmap, independent
spkr1 at audio0: PC Speaker (synthesized)
hdafg1 at hdaudio0: vendor 8086 product 2805
hdafg1: DP00 8ch: Digital Out [Jack]
hdafg1: DP01 8ch: Digital Out [Jack]
hdafg1: DP02 8ch: Digital Out [Jack]
hdafg1: 8ch/0ch 48000Hz PCM16*
ppb0 at pci0 dev 28 function 0: vendor 8086 product 1c10 (rev. 0xb4)
ppb0: PCI Express capability version 2 <Root Port of PCI-E Root
Complex> x1 @ 5.0GT/s
pci1 at ppb0 bus 2
pci1: i/o space, memory space enabled, rd/line, wr/inv ok
ppb1 at pci0 dev 28 function 1: vendor 8086 product 1c12 (rev. 0xb4)
ppb1: PCI Express capability version 2 <Root Port of PCI-E Root
Complex> x1 @ 5.0GT/s
ppb1: link is x1 @ 2.5GT/s
pci2 at ppb1 bus 3
pci2: i/o space, memory space enabled, rd/line, wr/inv ok
iwn0 at pci2 dev 0 function 0: vendor 8086 product 0085 (rev. 0x34)
iwn0: interrupting at ioapic0 pin 17
iwn0: MIMO 2T2R, MoW, address a0:88:b4:7c:09:fc
iwn0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
iwn0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
iwn0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps
ppb2 at pci0 dev 28 function 3: vendor 8086 product 1c16 (rev. 0xb4)
ppb2: PCI Express capability version 2 <Root Port of PCI-E Root
Complex> x1 @ 5.0GT/s
pci3 at ppb2 bus 5
pci3: i/o space, memory space enabled, rd/line, wr/inv ok
ppb3 at pci0 dev 28 function 4: vendor 8086 product 1c18 (rev. 0xb4)
ppb3: PCI Express capability version 2 <Root Port of PCI-E Root
Complex> x1 @ 5.0GT/s
ppb3: link is x1 @ 2.5GT/s
pci4 at ppb3 bus 13
pci4: i/o space, memory space enabled, rd/line, wr/inv ok
sdhc0 at pci4 dev 0 function 0: vendor 1180 product e823 (rev. 0x05)
sdhc0: interrupting at ioapic0 pin 16
sdhc0: SDHC 3.0, rev 5, SDMA, 200000 kHz, HS SDR50 SDR104 HS200 3.3V,
re-tuning mode 3, 512 byte blocks
sdmmc0 at sdhc0 slot 0
fwohci0 at pci4 dev 0 function 3: vendor 1180 product e832 (rev. 0x04)
fwohci0: interrupting at ioapic0 pin 19
fwohci0: OHCI version 1.10 (ROM=0)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:21:cc:20:06:06:bd:63
fwohci0: Phy 1394a available S400, 1 ports.
fwohci0: Link S400, max_rec 2048 bytes.
ieee1394if0 at fwohci0: IEEE1394 bus
fwip0 at ieee1394if0: IP over IEEE1394
fwohci0: Initiate bus reset
ehci1 at pci0 dev 29 function 0: vendor 8086 product 1c26 (rev. 0x04)
ehci1: interrupting at ioapic0 pin 23
ehci1: EHCI version 1.0
usb1 at ehci1: USB revision 2.0
ichlpcib0 at pci0 dev 31 function 0: vendor 8086 product 1c4f (rev. 0x04)
timecounter: Timecounter "ichlpcib0" frequency 3579545 Hz quality 1000
ichlpcib0: 24-bit timer
tco0 at ichlpcib0: TCO (watchdog) timer configured.
tco0: Min/Max interval 1/367 seconds
ahcisata0 at pci0 dev 31 function 2: vendor 8086 product 1c03 (rev. 0x04)
ahcisata0: interrupting at ioapic0 pin 19
ahcisata0: 64-bit DMA
ahcisata0: AHCI revision 1.30, 6 ports, 32 slots, CAP
0xff30ff65<SXS,EMS,PSC,SSC,PMD,ISS=0x3=Gen3,SCLO,SAL,SALP,SSS,SMPS,SSNTF,SNCQ,S64A>
atabus0 at ahcisata0 channel 0
atabus1 at ahcisata0 channel 1
atabus2 at ahcisata0 channel 3
atabus3 at ahcisata0 channel 4
ichsmb0 at pci0 dev 31 function 3: vendor 8086 product 1c22 (rev. 0x04)
ichsmb0: interrupting at ioapic0 pin 18
iic0 at ichsmb0: I2C bus
isa0 at ichlpcib0
tpm0 at isa0 iomem 0xfed40000-0xfed44fff irq 7: device 0x0000104a rev 0x4e
acpicpu0 at cpu0: ACPI CPU
acpicpu0: C1: FFH, lat   1 us, pow  1000 mW
acpicpu0: C3: I/O, lat 104 us, pow   350 mW
acpicpu0: P0: FFH, lat  10 us, pow 35000 mW, 2501 MHz, turbo boost
acpicpu0: P1: FFH, lat  10 us, pow 35000 mW, 2500 MHz
acpicpu0: P2: FFH, lat  10 us, pow 29755 mW, 2200 MHz
acpicpu0: P3: FFH, lat  10 us, pow 26426 mW, 2000 MHz
acpicpu0: P4: FFH, lat  10 us, pow 23233 mW, 1800 MHz
acpicpu0: P5: FFH, lat  10 us, pow 20164 mW, 1600 MHz
acpicpu0: P6: FFH, lat  10 us, pow 17226 mW, 1400 MHz
acpicpu0: P7: FFH, lat  10 us, pow 14408 mW, 1200 MHz
acpicpu0: P8: FFH, lat  10 us, pow 11713 mW, 1000 MHz
acpicpu0: P9: FFH, lat  10 us, pow  9140 mW,  800 MHz
acpicpu0: T0: I/O, lat   1 us, pow     0 mW, 100 %
acpicpu0: T1: I/O, lat   1 us, pow     0 mW,  88 %
acpicpu0: T2: I/O, lat   1 us, pow     0 mW,  76 %
acpicpu0: T3: I/O, lat   1 us, pow     0 mW,  64 %
acpicpu0: T4: I/O, lat   1 us, pow     0 mW,  52 %
acpicpu0: T5: I/O, lat   1 us, pow     0 mW,  40 %
acpicpu0: T6: I/O, lat   1 us, pow     0 mW,  28 %
acpicpu0: T7: I/O, lat   1 us, pow     0 mW,  16 %
coretemp0 at cpu0: thermal sensor, 1 C resolution, Tjmax=100
acpicpu1 at cpu1: ACPI CPU
acpicpu2 at cpu2: ACPI CPU
coretemp1 at cpu2: thermal sensor, 1 C resolution, Tjmax=100
acpicpu3 at cpu3: ACPI CPU
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
ieee1394if0: 1 nodes, maxhop <= 0 cable IRM irm(0) (me)
ieee1394if0: bus manager 0
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
timecounter: Timecounter "TSC" frequency 2492011880 Hz quality 3000
acpiacad0: AC adapter online.
IPsec: Initialized Security Association Processing.
uhub0 at usb0: vendor 8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
uhub1 at usb1: vendor 8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
ahcisata0 port 0: device present, speed: 6.0Gb/s
ahcisata0 port 1: device present, speed: 1.5Gb/s
drm: Enabling RC6 states: RC6 on, RC6p off, RC6pp off
wd0 at atabus0 drive 0
wd0: <WDC WD10JPVX-00JC3T0>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 931 GB, 1938021 cyl, 16 head, 63 sec, 512 bytes/sect x 1953525168 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6
(Ultra/133) (using DMA)
atapibus0 at atabus1: 1 targets
cd0 at atapibus0 drive 0: <HL-DT-STDVDRAM GT33N, M00B57C5811, LT20>
cdrom removable
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 4 (Ultra/66)
cd0(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 4
(Ultra/66) (using DMA)
uhub2 at uhub1 port 1: vendor 8087 product 0024, class 9/0, rev
2.00/0.00, addr 2
uhub2: single transaction translator
uhub3 at uhub0 port 1: vendor 8087 product 0024, class 9/0, rev
2.00/0.00, addr 2
uhub3: single transaction translator
uhub2: 8 ports with 8 removable, self powered
uhub3: 6 ports with 6 removable, self powered
uvideo0 at uhub3 port 6 configuration 1 interface 0: Chicony
Electronics Co., Ltd. Integrated Camera, rev 2.00/7.52, addr 3
video0 at uvideo0: Chicony Electronics Co., Ltd. Integrated Camera,
rev 2.00/7.52, addr 3
pad0: outputs: 44100Hz, 16-bit, stereo
audio1 at pad0: half duplex, playback, capture
spkr2 at audio1: PC Speaker (synthesized)
WARNING: 7 errors while detecting hardware; check system log.
boot device: wd0
root on wd0a dumps on wd0b
/: replaying log to memory
root file system type: ffs
kern.module.path=/stand/amd64/7.99.56/modules
/: replaying log to disk
/var: replaying log to disk
/usr: replaying log to disk
wsdisplay0: screen 1 added (default, vt100 emulation)
wsdisplay0: screen 2 added (default, vt100 emulation)
wsdisplay0: screen 3 added (default, vt100 emulation)
wsdisplay0: screen 4 added (default, vt100 emulation)
/home: replaying log to disk