Re: kern/51357: cu(1) fails to connect, kills networking and is unkillable

[Roy Marples <roy%marples.name@localhost>]

The following reply was made to PR kern/51357; it has been noted by GNATS.

From: Roy Marples <roy%marples.name@localhost>
To: gnats-bugs%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/51357: cu(1) fails to connect, kills networking and is
 unkillable
Date: Mon, 25 Jul 2016 18:12:40 +0100

 Full dmesg was asked for:
 
 Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
     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 7.99.34 (GENERIC) #2: Mon Jul 25 12:15:24 BST 2016
 	roy%uberlaptop2.marples.name@localhost:/home/roy/obj/src-amd64/sys/arch/amd64/compile/GENERIC
 total memory = 3992 MB
 avail memory = 3865 MB
 rnd: seeded with 128 bits
 timecounter: Timecounters tick every 10.000 msec
 Kernelized RAIDframe activated
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 LENOVO 224363G (ThinkPad T500)
 mainbus0 (root)
 ACPI: RSDP 0x00000000000F6440 000024 (v02 LENOVO)
 ACPI: XSDT 0x00000000BDB49B5A 000094 (v01 LENOVO TP-6F    00003170  LTP
 00000000)
 ACPI: FACP 0x00000000BDB49D00 0000F4 (v03 LENOVO TP-6F    00003170 LNVO
 00000001)
 ACPI BIOS Warning (bug): 32/64X length mismatch in
 FADT/Pm1aControlBlock: 16/32 (20160527/tbfadt-650)
 ACPI BIOS Warning (bug): Invalid length for FADT/Pm1aControlBlock: 32,
 using default 16 (20160527/tbfadt-733)
 ACPI: DSDT 0x00000000BDB4A10E 00FAE1 (v01 LENOVO TP-6F    00003170 MSFT
 03000000)
 ACPI: FACS 0x00000000BDB8E000 000040
 ACPI: FACS 0x00000000BDB8E000 000040
 ACPI: SSDT 0x00000000BDB49EB4 00025A (v01 LENOVO TP-6F    00003170 MSFT
 03000000)
 ACPI: ECDT 0x00000000BDB59BEF 000052 (v01 LENOVO TP-6F    00003170 LNVO
 00000001)
 ACPI: APIC 0x00000000BDB59C41 000078 (v01 LENOVO TP-6F    00003170 LNVO
 00000001)
 ACPI: MCFG 0x00000000BDB59CB9 00003C (v01 LENOVO TP-6F    00003170 LNVO
 00000001)
 ACPI: HPET 0x00000000BDB59CF5 000038 (v01 LENOVO TP-6F    00003170 LNVO
 00000001)
 ACPI: SLIC 0x00000000BDB59DC2 000176 (v01 LENOVO TP-6F    00003170  LTP
 00000000)
 ACPI: BOOT 0x00000000BDB59F38 000028 (v01 LENOVO TP-6F    00003170  LTP
 00000001)
 ACPI: ASF! 0x00000000BDB59F60 0000A0 (v16 LENOVO TP-6F    00003170 PTL
 00000001)
 ACPI: SSDT 0x00000000BDB8D1FA 000568 (v01 LENOVO TP-6F    00003170 INTL
 20050513)
 ACPI: TCPA 0x00000000BD907000 000032 (v00                 00000000
 00000000)
 ACPI: SSDT 0x00000000BD8D4000 000655 (v01 PmRef  CpuPm    00003000 INTL
 20050624)
 ACPI: SSDT 0x00000000BD8D3000 000274 (v01 PmRef  Cpu0Tst  00003000 INTL
 20050624)
 ACPI: SSDT 0x00000000BD8D2000 000242 (v01 PmRef  ApTst    00003000 INTL
 20050624)
 ACPI: 6 ACPI AML tables successfully acquired and loaded
 
 ioapic0 at mainbus0 apid 1: pa 0xfec00000, version 0x20, 24 pins
 cpu0 at mainbus0 apid 0
 cpu0: Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz, id 0x10676
 cpu1 at mainbus0 apid 1
 cpu1: Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz, id 0x10676
 acpi0 at mainbus0: Intel ACPICA 20160527
 acpi0: X/RSDT: OemId <LENOVO,TP-6F   ,00003170>, AslId < LTP,00000000>
 acpiecdt0 at acpi0: ACPI Embedded Controller via ECDT
 acpi0: MCFG: segment 0, bus 0-63, address 0x00000000e0000000
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE8107199390 0002C8 (v01 PmRef  Cpu0Ist  00003000 INTL
 20050624)
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE8107234010 00087A (v01 PmRef  Cpu0Cst  00003001 INTL
 20050624)
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE8107235E10 0001CF (v01 PmRef  ApIst    00003000 INTL
 20050624)
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE81071F6E90 00008D (v01 PmRef  ApCst    00003000 INTL
 20050624)
 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
 SIO (PNP0C02) at acpi0 not configured
 attimer1 at acpi0 (TIMR, PNP0100): io 0x40-0x43 irq 0
 pcppi1 at acpi0 (SPKR, PNP0800): io 0x61
 sysbeep0 at pcppi1
 pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1
 pckbc2 at acpi0 (MOU, IBM0057) (aux port): irq 12
 TPM (INTC0102) at acpi0 not configured
 acpibat0 at acpi0 (BAT0, PNP0C0A-0): ACPI Battery
 acpibat0: sa~wsoni 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, IBM0068)
 acpivga0 at acpi0 (VID): ACPI Display Adapter
 acpiout0 at acpivga0 (LCD0, 0x0400): ACPI Display Output Device
 acpiout0: brightness levels:
 [20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,100]
 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
 acpivga0: unknown output device acpiout1
 acpivga0: unknown output device acpiout2
 acpivga0: unknown output device acpiout3
 acpivga0: unknown output device acpiout4
 acpivga0: connected output devices:
 acpivga0:   0x0400 (acpiout0): Unknown Output Device, head 0
 acpiwmi0 at acpi0 (WMI1, PNP0C14-1): ACPI WMI Interface
 acpiwmibus at acpiwmi0 not configured
 acpitz0 at acpi0 (THM0)
 acpitz0: levels: critical 127.0 C, passive cooling
 acpitz1 at acpi0 (THM1): cpu0 cpu1
 acpitz1: levels: critical 100.0 C, passive 95.5 C, passive cooling
 ACPI: Enabled 3 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 7.0
 pms0: Passthrough, Palm detect
 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 2a40 (rev. 0x07)
 agp0 at pchb0: G4X-family chipset
 agp0: detected 32252k stolen memory
 agp0: aperture at 0xd0000000, size 0x10000000
 i915drmkms0 at pci0 dev 2 function 0: vendor 8086 product 2a42 (rev. 0x07)
 drm: Memory usable by graphics device = 512M
 drm: Supports vblank timestamp caching Rev 2 (21.10.2013).
 drm: Driver supports precise vblank timestamp query.
 i915drmkms0: interrupting at ioapic0 pin 16 (i915)
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xffff800046ed0000, size 1280x800, depth 32,
 stride 5120
 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation),
 using wskbd0
 wsmux1: connecting to wsdisplay0
 vendor 8086 product 2a43 (miscellaneous display, revision 0x07) at pci0
 dev 2 function 1 not configured
 vendor 8086 product 2a44 (miscellaneous communications, revision 0x07)
 at pci0 dev 3 function 0 not configured
 puc0 at pci0 dev 3 function 3: Intel GM45 KT (com)
 com0 at puc0 port 0 (16550-compatible): ioaddr 0x1830, interrupting at
 ioapic0 pin 17
 com0: ns16550a, working fifo
 wm0 at pci0 dev 25 function 0: 82801I mobile (AMT) LAN Controller (rev.
 0x03)
 wm0: interrupting at msi0 vec 0
 wm0: PCI-Express bus
 wm0: 2048 words FLASH
 wm0: Ethernet address 00:21:86:a3:d3:1c
 makphy0 at wm0 phy 2: Marvell 88E1149 Gigabit PHY, rev. 1
 makphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
 1000baseT-FDX, auto
 uhci0 at pci0 dev 26 function 0: vendor 8086 product 2937 (rev. 0x03)
 uhci0: interrupting at ioapic0 pin 20
 usb0 at uhci0: USB revision 1.0
 uhci1 at pci0 dev 26 function 1: vendor 8086 product 2938 (rev. 0x03)
 uhci1: interrupting at ioapic0 pin 21
 usb1 at uhci1: USB revision 1.0
 uhci2 at pci0 dev 26 function 2: vendor 8086 product 2939 (rev. 0x03)
 uhci2: interrupting at ioapic0 pin 22
 usb2 at uhci2: USB revision 1.0
 ehci0 at pci0 dev 26 function 7: vendor 8086 product 293c (rev. 0x03)
 ehci0: interrupting at ioapic0 pin 23
 ehci0: EHCI version 1.0
 ehci0: companion controllers, 2 ports each: uhci0 uhci1 uhci2
 usb3 at ehci0: USB revision 2.0
 hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
 hdaudio0: interrupting at ioapic0 pin 17
 hdafg0 at hdaudio0: vendor 14f1 product 5051
 hdafg0: DAC00 2ch: HP Out [Jack]
 hdafg0: ADC01 2ch: Mic In [Jack]
 hdafg0: DAC02 2ch: Speaker [Built-In]
 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
 hdvsmfg at hdaudio0 not configured
 ppb0 at pci0 dev 28 function 0: vendor 8086 product 2940 (rev. 0x03)
 ppb0: PCI Express capability version 1 <Root Port of PCI-E Root Complex>
 x1 @ 2.5GT/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 2942 (rev. 0x03)
 ppb1: PCI Express capability version 1 <Root Port of PCI-E Root Complex>
 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 4237 (rev. 0x00)
 iwn0: interrupting at ioapic0 pin 17
 iwn0: MIMO 1T2R, MoW, address 00:21:6b:ad:ab:38
 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 2946 (rev. 0x03)
 ppb2: PCI Express capability version 1 <Root Port of PCI-E Root Complex>
 x1 @ 2.5GT/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 2948 (rev. 0x03)
 ppb3: PCI Express capability version 1 <Root Port of PCI-E Root Complex>
 x1 @ 2.5GT/s
 pci4 at ppb3 bus 13
 pci4: i/o space, memory space enabled, rd/line, wr/inv ok
 uhci3 at pci0 dev 29 function 0: vendor 8086 product 2934 (rev. 0x03)
 uhci3: interrupting at ioapic0 pin 16
 usb4 at uhci3: USB revision 1.0
 uhci4 at pci0 dev 29 function 1: vendor 8086 product 2935 (rev. 0x03)
 uhci4: interrupting at ioapic0 pin 17
 usb5 at uhci4: USB revision 1.0
 uhci5 at pci0 dev 29 function 2: vendor 8086 product 2936 (rev. 0x03)
 uhci5: interrupting at ioapic0 pin 18
 usb6 at uhci5: USB revision 1.0
 ehci1 at pci0 dev 29 function 7: vendor 8086 product 293a (rev. 0x03)
 ehci1: interrupting at ioapic0 pin 19
 ehci1: EHCI version 1.0
 ehci1: companion controllers, 2 ports each: uhci3 uhci4 uhci5
 usb7 at ehci1: USB revision 2.0
 ppb4 at pci0 dev 30 function 0: vendor 8086 product 2448 (rev. 0x93)
 pci5 at ppb4 bus 21
 pci5: i/o space, memory space enabled
 cbb0 at pci5 dev 0 function 0: vendor 1180 product 0476 (rev. 0xba)
 fwohci0 at pci5 dev 0 function 1: vendor 1180 product 0832 (rev. 0x04)
 fwohci0: interrupting at ioapic0 pin 17
 fwohci0: OHCI version 1.10 (ROM=0)
 fwohci0: No. of Isochronous channels is 4.
 fwohci0: EUI64 00:06:1b:03:2a:35:e7:f4
 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
 sdhc0 at pci5 dev 0 function 2: vendor 1180 product 0822 (rev. 0x21)
 sdhc0: interrupting at ioapic0 pin 18
 sdhc0: SDHC 1.0, rev 4, SDMA, 33000 kHz, HS 3.3V, 512 byte blocks
 sdmmc0 at sdhc0 slot 0
 vendor 1180 product 0843 (miscellaneous system, revision 0x11) at pci5
 dev 0 function 3 not configured
 vendor 1180 product 0592 (miscellaneous system, revision 0x11) at pci5
 dev 0 function 4 not configured
 vendor 1180 product 0852 (miscellaneous system, revision 0x11) at pci5
 dev 0 function 5 not configured
 cbb0: cacheline 0x10 lattimer 0x20
 cbb0: bhlc 0x822010
 cbb0: interrupting at ioapic0 pin 16
 cardslot0 at cbb0
 cardbus0 at cardslot0: bus 22
 pcmcia0 at cardslot0
 ichlpcib0 at pci0 dev 31 function 0: vendor 8086 product 2917 (rev. 0x03)
 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
 gpio0 at ichlpcib0: 64 pins
 ahcisata0 at pci0 dev 31 function 2: vendor 8086 product 2929 (rev. 0x03)
 ahcisata0: interrupting at ioapic0 pin 16
 ahcisata0: 64-bit DMA
 ahcisata0: AHCI revision 1.20, 4 ports, 32 slots, CAP
 0xef20ffa3<SXS,CCCS,PSC,SSC,PMD,ISS=0x2=Gen2,SCLO,SAL,SALP,SSS,SSNTF,SNCQ,S64A>
 atabus0 at ahcisata0 channel 0
 atabus1 at ahcisata0 channel 1
 ichsmb0 at pci0 dev 31 function 3: vendor 8086 product 2930 (rev. 0x03)
 ichsmb0: interrupting at ioapic0 pin 23
 iic0 at ichsmb0: I2C bus
 isa0 at ichlpcib0
 acpicpu0 at cpu0: ACPI CPU
 acpicpu0: C1: FFH, lat   1 us, pow  1000 mW
 acpicpu0: C2: FFH, lat   1 us, pow   500 mW
 acpicpu0: C3: FFH, lat  57 us, pow   100 mW, bus master check
 acpicpu0: P0: FFH, lat  10 us, pow 35000 mW, 2401 MHz
 acpicpu0: P1: FFH, lat  10 us, pow 35000 mW, 2400 MHz
 acpicpu0: P2: FFH, lat  10 us, pow 15000 mW, 1600 MHz
 acpicpu0: P3: FFH, lat  10 us, pow 12000 mW,  800 MHz
 acpicpu0: T0: FFH, lat   1 us, pow 12000 mW, 100 %
 acpicpu0: T1: FFH, lat   1 us, pow 10500 mW,  88 %
 acpicpu0: T2: FFH, lat   1 us, pow  9000 mW,  75 %
 acpicpu0: T3: FFH, lat   1 us, pow  7500 mW,  63 %
 acpicpu0: T4: FFH, lat   1 us, pow  6000 mW,  50 %
 acpicpu0: T5: FFH, lat   1 us, pow  4500 mW,  38 %
 acpicpu0: T6: FFH, lat   1 us, pow  3000 mW,  25 %
 acpicpu0: T7: FFH, lat   1 us, pow  1500 mW,  13 %
 coretemp0 at cpu0: thermal sensor, 1 C resolution, Tjmax=105
 acpicpu1 at cpu1: ACPI CPU
 coretemp1 at cpu1: thermal sensor, 1 C resolution, Tjmax=105
 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
 acpiacad0: AC adapter online.
 IPsec: Initialized Security Association Processing.
 uhub0 at usb0: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub0: 2 ports with 2 removable, self powered
 uhub1 at usb1: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub1: 2 ports with 2 removable, self powered
 uhub2 at usb2: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub2: 2 ports with 2 removable, self powered
 uhub3 at usb3: vendor 8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
 uhub3: 6 ports with 6 removable, self powered
 uhub4 at usb4: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub4: 2 ports with 2 removable, self powered
 uhub5 at usb5: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub5: 2 ports with 2 removable, self powered
 uhub6 at usb6: vendor 8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub6: 2 ports with 2 removable, self powered
 uhub7 at usb7: vendor 8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
 uhub7: 6 ports with 6 removable, self powered
 ahcisata0 port 0: device present, speed: 3.0Gb/s
 ahcisata0 port 1: device present, speed: 1.5Gb/s
 ehci0: handing over full speed device on port 3 to uhci1
 ehci1: handing over full speed device on port 2 to uhci3
 wd0 at atabus0 drive 0
 wd0: <Samsung SSD 840 EVO 120GB>
 wd0: drive supports 1-sector PIO transfers, LBA48 addressing
 wd0: 111 GB, 232581 cyl, 16 head, 63 sec, 512 bytes/sect x 234441648 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: <Optiarc  DVD RW AD-7910S, 8A82265E11, 1.D0>
 cdrom removable
 cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
 cd0(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5
 (Ultra/100) (using DMA)
 ehci0: handing over full speed device on port 4 to uhci1
 umodem0 at uhub7 port 4 configuration 1 interface 1
 umodem0: Ericsson Ericsson F3507g Mobile Broadband Minicard Composite
 Device, rev 2.00/0.00, addr 2, iclass 2/2
 umodem0: data interface 2, has CM over data, has break
 umodem0: status change notification available
 ucom0 at umodem0
 umodem1 at uhub7 port 4 configuration 1 interface 3
 umodem1: Ericsson Ericsson F3507g Mobile Broadband Minicard Composite
 Device, rev 2.00/0.00, addr 2, iclass 2/2
 umodem1: data interface 4, has CM over data, has break
 umodem1: status change notification available
 ucom1 at umodem1
 umodem2 at uhub7 port 4 configuration 1 interface 9
 umodem2: Ericsson Ericsson F3507g Mobile Broadband Minicard Composite
 Device, rev 2.00/0.00, addr 2, iclass 2/2
 umodem2: data interface 12, has CM over data, has break
 umodem2: no data interface
 ugen0 at uhub1 port 1
 ugen0: vendor 08ff Fingerprint Sensor, rev 2.00/17.03, addr 2
 uftdi0 at uhub4 port 2
 uftdi0: FTDI FT232R USB UART, rev 2.00/6.00, addr 2
 ucom2 at uftdi0 portno 1
 uvideo0 at uhub3 port 6 configuration 1 interface 0: Chicony Electronics
 Co., Ltd. product 4807, rev 2.00/31.34, addr 2
 video0 at uvideo0: Chicony Electronics Co., Ltd. product 4807, rev
 2.00/31.34, addr 2
 pad0: outputs: 44100Hz, 16-bit, stereo
 audio1 at pad0: half duplex, playback, capture
 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/amd64/7.99.34/modules
 /: replaying log to disk
 ubt0 at uhub1 port 2
 ubt0: Lenovo Computer Corp ThinkPad Bluetooth with Enhanced Data Rate
 II, rev 2.00/3.99, addr 3
 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)
 iwn0: scan request(1) while scanning(0) ignored