Reproducible kernel page fault when X Windows starts on a Dell Laptop

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Reproducible kernel page fault when X Windows starts on a Dell Laptop

Rodney Polkinghorne
>Synopsis:    The kernel crashes when I run startx on my laptop.
>Category:    kernel
>Environment:
    Details     : OpenBSD 6.3-current (GENERIC.MP) #709: Fri Jun 29
00:15:53 MDT 2018

[hidden email]:/usr/src/sys/arch/i386/compile/GENERIC.MP
                  (I transcribed this from a screen photograph, it
wasn't generated by reportbug.)


    Architecture: OpenBSD.i386
    Machine     : i386
>Description:
        When I run startx on the latest snapshot, the kernel crashes
        with the following output.  I transcribed this from a photo
        of the screen, so there might be a typo somewhere.  I've
        left out some arguments in the trace, but I can transcribe
        them if needed.

        This problem first occurred in the 6.2 release kernel.
        Release 6.1 has always worked.  The page fault occured in
        a different function in snapshots from two months ago, but
        every kernel I have tried since 6.2 has crashed with a page
        fault.

    (==)  Using system config directory "/usr/X11R6/share/X11/xorg.conf.d"
    uvm_fault(0xd0d02054, 0xd390b000, 0, 2) -> e
    kernel: page fault trap, code=0
    Stopped at      uvm_pmr_get1page+0x35d: movl     %ecx,0(%edi,%eax,1)
    ddb{0}> trace
    uvm_pmr_get1page
    uvm_pmr_getpages
    uvm_pagealloc
    uvn_get
    uvm_fault
    trap(f5f5fb50) at trap+0x721
    calltrap(2b,10212,cf7c8870,33,0) at calltrap+0xc
    end of kernel
    ddb{0}>

>How-To-Repeat:

        1. Install the latest snapshot to a USB key.  The crash
        often damages the mounted filesystem beyond what fsck can
        repair.

        2. Boot from the USB key.

        3. Log in as root.

        4. Run "startx".

        5. Watch the kernel crash.

I overwrote the generated dmesg with dmesg.boot.  This shows the
output from the snapshot that crashed, as well as the 6.1 release
kernel that I booted after the crash to write this report.

dmesg:
86/compile/GENERIC.MP
real mem  = 3077824512 (2935MB)
avail mem = 3006734336 (2867MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: date 07/30/09, BIOS32 rev. 0 @ 0xfdba0, SMBIOS rev.
2.5 @ 0xdc010 (50 entries)
bios0: vendor Dell Inc. version "A01" date 07/30/2009
bios0: Dell Inc. Studio 1450
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP HPET MCFG APIC BOOT OSFR SLIC SSDT SSDT SSDT
acpi0: wakeup devices P0P1(S4) USB0(S0) USB1(S0) USB2(S0) USBR(S0)
EHC1(S3) USB3(S0) USB4(S0) USB5(S0) EHC2(S3) HDEF(S4) PXSX(S4)
RP01(S4) PSL1(S3) PXSX(S4) RP02(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz ("GenuineIntel"
686-class) 2.54 GHz
cpu0: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,LAHF,PERF,SENSOR,MELTDOWN
mtrr: Pentium Pro MTRR support, 7 var ranges, 88 fixed ranges
cpu0: apic clock running at 266MHz
cpu0: mwait min=64, max=64, C-substates=0.2.2.2.2.1.3, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz ("GenuineIntel"
686-class) 2.13 GHz
cpu1: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,LAHF,PERF,SENSOR,MELTDOWN
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (P0P2)
acpiprt2 at acpi0: bus 8 (P0P1)
acpiprt3 at acpi0: bus 2 (RP01)
acpiprt4 at acpi0: bus 4 (RP02)
acpiprt5 at acpi0: bus 6 (RP03)
acpiprt6 at acpi0: bus -1 (RP04)
acpiprt7 at acpi0: bus -1 (RP05)
acpiec0 at acpi0
acpicpu0 at acpi0: !C3(100@57 mwait.3@0x30), !C2(500@1 mwait.1@0x10),
C1(1000@1 mwait.1), PSS
acpicpu1 at acpi0: !C3(100@57 mwait.3@0x30), !C2(500@1 mwait.1@0x10),
C1(1000@1 mwait.1), PSS
acpipwrres0 at acpi0: FN00, resource for FAN0
acpipwrres1 at acpi0: FN01, resource for FAN1
acpitz0 at acpi0: critical temperature is 87 degC
acpicmos0 at acpi0
"DLL02E8" at acpi0 not configured
acpiac0 at acpi0: AC unit online
acpibtn0 at acpi0: LID0
acpibtn1 at acpi0: PWRB
"PNP0C14" at acpi0 not configured
acpibat0 at acpi0: BAT1 model "DELL U600P98" serial 0000 type LION oem
"SAMSUNG SDI"
"PNP0C0B" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
acpivideo0 at acpi0: ATID
acpivideo1 at acpi0: GFX0
acpivout0 at acpivideo1: DD01
acpivout at acpivideo1 not configured
bios0: ROM list: 0xc0000/0x10000! 0xd0000/0x1e00 0xdc000/0x4000!
cpu0: Enhanced SpeedStep 2129 MHz: speeds: 2133, 1600 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Intel GM45 Host" rev 0x07
inteldrm0 at pci0 dev 2 function 0 "Intel GM45 Video" rev 0x07
drm0 at inteldrm0
intagp0 at inteldrm0
agp0 at intagp0: aperture at 0xd0000000, size 0x10000000
inteldrm0: msi
inteldrm0: 1366x768, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel GM45 Video" rev 0x07 at pci0 dev 2 function 1 not configured
uhci0 at pci0 dev 26 function 0 "Intel 82801I USB" rev 0x03: apic 2 int 16
uhci1 at pci0 dev 26 function 1 "Intel 82801I USB" rev 0x03: apic 2 int 21
uhci2 at pci0 dev 26 function 2 "Intel 82801I USB" rev 0x03: apic 2 int 19
ehci0 at pci0 dev 26 function 7 "Intel 82801I USB" rev 0x03: apic 2 int 19
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 82801I HD Audio" rev 0x03: msi
azalia0: codecs: Realtek/0x0665, Intel/0x2802, using Realtek/0x0665
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 82801I PCIE" rev 0x03: apic 2 int 17
pci1 at ppb0 bus 2
bge0 at pci1 dev 0 function 0 "Broadcom BCM5784" rev 0x10, BCM5784 A1
(0x5784100): msi, address 00:24:e8:82:68:99
brgphy0 at bge0 phy 1: BCM5784 10/100/1000baseT PHY, rev. 4
ppb1 at pci0 dev 28 function 1 "Intel 82801I PCIE" rev 0x03: apic 2 int 16
pci2 at ppb1 bus 4
ppb2 at pci0 dev 28 function 2 "Intel 82801I PCIE" rev 0x03: apic 2 int 18
pci3 at ppb2 bus 6
iwn0 at pci3 dev 0 function 0 "Intel WiFi Link 5100" rev 0x00: msi,
MIMO 1T2R, MoW, address 00:22:fb:c8:1a:d8
uhci3 at pci0 dev 29 function 0 "Intel 82801I USB" rev 0x03: apic 2 int 20
uhci4 at pci0 dev 29 function 1 "Intel 82801I USB" rev 0x03: apic 2 int 19
uhci5 at pci0 dev 29 function 2 "Intel 82801I USB" rev 0x03: apic 2 int 18
ehci1 at pci0 dev 29 function 7 "Intel 82801I USB" rev 0x03: apic 2 int 20
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
ppb3 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0x93
pci4 at ppb3 bus 8
pcib0 at pci0 dev 31 function 0 "Intel 82801IBM LPC" rev 0x03
ahci0 at pci0 dev 31 function 2 "Intel 82801I AHCI" rev 0x03: msi, AHCI 1.2
ahci0: port 0: 3.0Gb/s
ahci0: port 1: 1.5Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, ST9320325AS, 0003> SCSI3 0/direct
fixed naa.5000c500190f2003
sd0: 305245MB, 512 bytes/sector, 625142448 sectors
cd0 at scsibus1 targ 1 lun 0: <Optiarc, DVD+-RW AD-7640S, HD18> ATAPI
5/cdrom removable
ichiic0 at pci0 dev 31 function 3 "Intel 82801I SMBus" rev 0x03: apic 2 int 19
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-8500 SO-DIMM
spdmem1 at iic0 addr 0x52: 1GB DDR3 SDRAM PC3-8500 SO-DIMM
usb2 at uhci0: USB revision 1.0
uhub2 at usb2 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb3 at uhci1: USB revision 1.0
uhub3 at usb3 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb4 at uhci2: USB revision 1.0
uhub4 at usb4 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb5 at uhci3: USB revision 1.0
uhub5 at usb5 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb6 at uhci4: USB revision 1.0
uhub6 at usb6 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb7 at uhci5: USB revision 1.0
uhub7 at usb7 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
pms0: Synaptics touchpad, firmware 7.2, 0x1c0b1 0xa40000
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
uvideo0 at uhub0 port 6 configuration 1 interface 0
"M092S-P00-9710-SD4WD Laptop_Integrated_Webcam_2M" rev 2.00/95.06 addr
2
video0 at uvideo0
umass0 at uhub1 port 6 configuration 1 interface 0 " " rev 2.00/1.05 addr 2
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <, , 8.07> SCSI2 0/direct removable
serial.058f6387092802001654
sd1: 3750MB, 512 bytes/sector, 7680000 sectors
uhub8 at uhub3 port 1 configuration 1 interface 0 "Broadcom BCM2046B1"
rev 2.00/1.00 addr 2
uhidev0 at uhub8 port 1 configuration 1 interface 0 "Dell product
0x8161" rev 2.00/1.00 addr 3
uhidev0: iclass 3/1, 1 report id
ukbd0 at uhidev0 reportid 1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub8 port 2 configuration 1 interface 0 "Dell product
0x8162" rev 2.00/1.00 addr 4
uhidev1: iclass 3/1, 125 report ids
ums0 at uhidev1 reportid 2: 3 buttons
wsmouse1 at ums0 mux 0
uhid0 at uhidev1 reportid 125: input=2, output=0, feature=0
uhidev2 at uhub5 port 2 configuration 1 interface 0 "Logitech USB
Optical Mouse" rev 2.00/54.00 addr 2
uhidev2: iclass 3/1
ums1 at uhidev2: 8 buttons, Z and W dir
wsmouse2 at ums1 mux 0
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
root on sd1a (e6a6f9cd4bd7813c.a) swap on sd1b dump on sd1b
OpenBSD 6.1 (GENERIC.MP) #3: Wed Mar  7 12:44:07 MST 2018
    [hidden email]:/usr/src/sys/arch/i386/compile/GENERIC.MP
cpu0: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz ("GenuineIntel"
686-class) 2.13 GHz
cpu0: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,LAHF,PERF,SENSOR
real mem  = 3077824512 (2935MB)
avail mem = 3006091264 (2866MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: date 07/30/09, BIOS32 rev. 0 @ 0xfdba0, SMBIOS rev.
2.5 @ 0xdc010 (50 entries)
bios0: vendor Dell Inc. version "A01" date 07/30/2009
bios0: Dell Inc. Studio 1450
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP HPET MCFG APIC BOOT OSFR SLIC SSDT SSDT SSDT
acpi0: wakeup devices P0P1(S4) USB0(S0) USB1(S0) USB2(S0) USBR(S0)
EHC1(S3) USB3(S0) USB4(S0) USB5(S0) EHC2(S3) HDEF(S4) PXSX(S4)
RP01(S4) PSL1(S3) PXSX(S4) RP02(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
mtrr: Pentium Pro MTRR support, 7 var ranges, 88 fixed ranges
cpu0: apic clock running at 266MHz
cpu0: mwait min=64, max=64, C-substates=0.2.2.2.2.1.3, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM)2 Duo CPU P7450 @ 2.13GHz ("GenuineIntel"
686-class) 2.13 GHz
cpu1: FPU,V86,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,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,LAHF,PERF,SENSOR
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (P0P2)
acpiprt2 at acpi0: bus 8 (P0P1)
acpiprt3 at acpi0: bus 2 (RP01)
acpiprt4 at acpi0: bus 4 (RP02)
acpiprt5 at acpi0: bus 6 (RP03)
acpiprt6 at acpi0: bus -1 (RP04)
acpiprt7 at acpi0: bus -1 (RP05)
acpiec0 at acpi0
acpicpu0 at acpi0: !C3(100@57 mwait.3@0x30), !C2(500@1 mwait.1@0x10),
C1(1000@1 mwait.1), PSS
acpicpu1 at acpi0: !C3(100@57 mwait.3@0x30), !C2(500@1 mwait.1@0x10),
C1(1000@1 mwait.1), PSS
acpipwrres0 at acpi0: FN00, resource for FAN0
acpipwrres1 at acpi0: FN01, resource for FAN1
acpitz0 at acpi0: critical temperature is 87 degC
"PNP0303" at acpi0 not configured
"DLL02E8" at acpi0 not configured
acpiac0 at acpi0: AC unit online
acpibtn0 at acpi0: LID0
acpibtn1 at acpi0: PWRB
"PNP0C14" at acpi0 not configured
acpibat0 at acpi0: BAT1 model "DELL U600P98" serial 0000 type LION oem
"SAMSUNG SDI"
"PNP0C0B" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
acpivideo0 at acpi0: ATID
acpivideo1 at acpi0: GFX0
acpivout0 at acpivideo1: DD01
acpivout at acpivideo1 not configured
bios0: ROM list: 0xc0000/0x10000! 0xd0000/0x1e00 0xdc000/0x4000!
cpu0: Enhanced SpeedStep 2129 MHz: speeds: 2133, 1600 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Intel GM45 Host" rev 0x07
inteldrm0 at pci0 dev 2 function 0 "Intel GM45 Video" rev 0x07
drm0 at inteldrm0
intagp0 at inteldrm0
agp0 at intagp0: aperture at 0xd0000000, size 0x10000000
inteldrm0: msi
inteldrm0: 1366x768, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel GM45 Video" rev 0x07 at pci0 dev 2 function 1 not configured
uhci0 at pci0 dev 26 function 0 "Intel 82801I USB" rev 0x03: apic 2 int 16
uhci1 at pci0 dev 26 function 1 "Intel 82801I USB" rev 0x03: apic 2 int 21
uhci2 at pci0 dev 26 function 2 "Intel 82801I USB" rev 0x03: apic 2 int 19
ehci0 at pci0 dev 26 function 7 "Intel 82801I USB" rev 0x03: apic 2 int 19
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 82801I HD Audio" rev 0x03: msi
azalia0: codecs: Realtek/0x0665, Intel/0x2802, using Realtek/0x0665
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 82801I PCIE" rev 0x03: apic 2 int 17
pci1 at ppb0 bus 2
bge0 at pci1 dev 0 function 0 "Broadcom BCM5784" rev 0x10, BCM5784 A1
(0x5784100): msi, address 00:24:e8:82:68:99
brgphy0 at bge0 phy 1: BCM5784 10/100/1000baseT PHY, rev. 4
ppb1 at pci0 dev 28 function 1 "Intel 82801I PCIE" rev 0x03: apic 2 int 16
pci2 at ppb1 bus 4
ppb2 at pci0 dev 28 function 2 "Intel 82801I PCIE" rev 0x03: apic 2 int 18
pci3 at ppb2 bus 6
iwn0 at pci3 dev 0 function 0 "Intel WiFi Link 5100" rev 0x00: msi,
MIMO 1T2R, MoW, address 00:22:fb:c8:1a:d8
uhci3 at pci0 dev 29 function 0 "Intel 82801I USB" rev 0x03: apic 2 int 20
uhci4 at pci0 dev 29 function 1 "Intel 82801I USB" rev 0x03: apic 2 int 19
uhci5 at pci0 dev 29 function 2 "Intel 82801I USB" rev 0x03: apic 2 int 18
ehci1 at pci0 dev 29 function 7 "Intel 82801I USB" rev 0x03: apic 2 int 20
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
ppb3 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0x93
pci4 at ppb3 bus 8
pcib0 at pci0 dev 31 function 0 "Intel 82801IBM LPC" rev 0x03
ahci0 at pci0 dev 31 function 2 "Intel 82801I AHCI" rev 0x03: msi, AHCI 1.2
ahci0: port 0: 3.0Gb/s
ahci0: port 1: 1.5Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, ST9320325AS, 0003> SCSI3 0/direct
fixed naa.5000c500190f2003
sd0: 305245MB, 512 bytes/sector, 625142448 sectors
cd0 at scsibus1 targ 1 lun 0: <Optiarc, DVD+-RW AD-7640S, HD18> ATAPI
5/cdrom removable
ichiic0 at pci0 dev 31 function 3 "Intel 82801I SMBus" rev 0x03: apic 2 int 19
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-8500 SO-DIMM
spdmem1 at iic0 addr 0x52: 1GB DDR3 SDRAM PC3-8500 SO-DIMM
usb2 at uhci0: USB revision 1.0
uhub2 at usb2 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb3 at uhci1: USB revision 1.0
uhub3 at usb3 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb4 at uhci2: USB revision 1.0
uhub4 at usb4 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb5 at uhci3: USB revision 1.0
uhub5 at usb5 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb6 at uhci4: USB revision 1.0
uhub6 at usb6 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
usb7 at uhci5: USB revision 1.0
uhub7 at usb7 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
pms0: Synaptics touchpad, firmware 7.2
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
uvideo0 at uhub0 port 6 configuration 1 interface 0
"M092S-P00-9710-SD4WD Laptop_Integrated_Webcam_2M" rev 2.00/95.06 addr
2
video0 at uvideo0
umass0 at uhub1 port 6 configuration 1 interface 0 "vendor 0x058f
product 0x6387" rev 2.00/1.05 addr 2
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <, , 8.07> SCSI2 0/direct removable
serial.058f6387092802001654
sd1: 3750MB, 512 bytes/sector, 7680000 sectors
uhub8 at uhub3 port 1 configuration 1 interface 0 "Broadcom BCM2046B1"
rev 2.00/1.00 addr 2
uhidev0 at uhub8 port 1 configuration 1 interface 0 "Dell product
0x8161" rev 2.00/1.00 addr 3
uhidev0: iclass 3/1, 1 report id
ukbd0 at uhidev0 reportid 1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub8 port 2 configuration 1 interface 0 "Dell product
0x8162" rev 2.00/1.00 addr 4
uhidev1: iclass 3/1, 125 report ids
ums0 at uhidev1 reportid 2: 3 buttons
wsmouse1 at ums0 mux 0
uhid0 at uhidev1 reportid 125: input=2, output=0, feature=0
uhidev2 at uhub5 port 2 configuration 1 interface 0 "Logitech USB
Optical Mouse" rev 2.00/54.00 addr 2
uhidev2: iclass 3/1
ums1 at uhidev2: 8 buttons, Z and W dir
wsmouse2 at ums1 mux 0
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
root on sd0a (db069d74ef293dd8.a) swap on sd0b dump on sd0b

usbdevs:
Controller /dev/usb0:
addr 1: high speed, self powered, config 1, EHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
 port 3 powered
 port 4 powered
 port 5 powered
 port 6 addr 2: high speed, power 168 mA, config 1,
Laptop_Integrated_Webcam_2M(0x6408), M092S-P00-9710-SD4WD(0x0c45), rev
95.06
Controller /dev/usb1:
addr 1: high speed, self powered, config 1, EHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
 port 3 powered
 port 4 powered
 port 5 powered
 port 6 powered
Controller /dev/usb2:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb3:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 addr 2: full speed, self powered, config 1, BCM2046B1(0x4500),
Broadcom(0x0a5c), rev 1.00
  port 1 addr 3: full speed, self powered, config 1, product
0x8161(0x8161), Dell(0x413c), rev 1.00
  port 2 addr 4: full speed, self powered, config 1, product
0x8162(0x8162), Dell(0x413c), rev 1.00
  port 3 powered
 port 2 powered
Controller /dev/usb4:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb5:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 addr 2: low speed, power 98 mA, config 1, USB Optical
Mouse(0xc055), Logitech(0x046d), rev 54.00
Controller /dev/usb6:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered
Controller /dev/usb7:
addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
Intel(0x8086), rev 1.00
 port 1 powered
 port 2 powered