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Re: kern/52252: uvm_km_check_empty panic when loading any module



The following reply was made to PR kern/52252; it has been noted by GNATS.

From: Anthony Mallet <tho%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost,
    gnats-admin%netbsd.org@localhost,
    netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/52252: uvm_km_check_empty panic when loading any module
Date: Tue, 23 May 2017 22:29:11 +0200

 On Tuesday 23 May 2017, at 07:00, Paul Goyette wrote:
 >  It is extremely odd that no-one else is seeing this.
 
 I definitely agree! Still, I could not find what I was doing wrong...
 Your questions make sense, especially for the GENERIC kernel that I
 forgot to try out. See below:
 
 >  1. Are you certain that you've built from unmodified sources?
 
 Yes, 100% sure. Two different machines with their own checkout.
 `cvs -q update -PAd` outputs nothing right after an update.
 
 Is there another way to check the sources? (apart from doing a fresh
 checkout).
 
 
 >  2. Can you provide the kernel config file that you're using
 >     (PAPYRUS)?
 
 Sure, pasted below. (I'm not sure whether mime attachment are OK with
 gnats, so it's just pasted).
 
 
 >  3. Can you reproduce this problem using a GENERIC kernel on the real
 >      machine?
 
 It seems to be OK with GENERIC. At least I can load modules with no
 issue on one of the machine (did not try the other one yet). So that's
 a strong hint.
 
 I had already compared my config with GENERIC without noticing
 anything suspect, but maybe you'll spot something.
 
 >  4. Can you reproduce this problem in a QEMU VM?
 
 I did not try that. If this is required I can try to set all this
 up, but maybe I just have something obvious in my config that would
 explain the issue.
 
 >  5. Please provide the entire back-trace and dmesg.
 
 --- The crash dump backtrace ----------------------------------------
 
 (gdb) bt
 #0  0xffffffff80219c65 in cpu_reboot (howto=howto@entry=256, 
     bootstr=bootstr@entry=0x0) at /usr/src/sys/arch/amd64/amd64/machdep.c:674
 #1  0xffffffff803793b4 in db_sync_cmd (addr=<optimized out>, 
     have_addr=<optimized out>, count=<optimized out>, modif=<optimized out>)
     at /usr/src/sys/ddb/db_command.c:1380
 #2  0xffffffff80379b7e in db_command (
     last_cmdp=last_cmdp@entry=0xffffffff80a08d80 <db_last_command>)
     at /usr/src/sys/ddb/db_command.c:914
 #3  0xffffffff80379ee5 in db_command_loop ()
     at /usr/src/sys/ddb/db_command.c:572
 #4  0xffffffff8037d5ae in db_trap (type=type@entry=1, code=code@entry=0)
     at /usr/src/sys/ddb/db_trap.c:90
 #5  0xffffffff80216862 in kdb_trap (type=type@entry=1, code=code@entry=0, 
     regs=regs@entry=0xfffffe810f4bc7b0)
     at /usr/src/sys/arch/amd64/amd64/db_interface.c:227
 #6  0xffffffff8021afac in trap (frame=0xfffffe810f4bc7b0)
     at /usr/src/sys/arch/amd64/amd64/trap.c:293
 #7  0xffffffff80201006 in alltraps ()
 #8  0xffffffff80215295 in breakpoint ()
 #9  0xffffffff804d6ec8 in vpanic (
     fmt=fmt@entry=0xffffffff808a0358 "uvm_km_check_empty: va %p has pa 0x%llx", ap=ap@entry=0xfffffe810f4bc8e8) at /usr/src/sys/kern/subr_prf.c:340
 #10 0xffffffff804d6f85 in panic (
     fmt=fmt@entry=0xffffffff808a0358 "uvm_km_check_empty: va %p has pa 0x%llx")
     at /usr/src/sys/kern/subr_prf.c:258
 #11 0xffffffff8046e3f5 in uvm_km_check_empty (
     map=map@entry=0xffffffff80a21780 <module_map_store>, 
     start=<optimized out>, end=18446744071574720512)
     at /usr/src/sys/uvm/uvm_km.c:563
 #12 0xffffffff80473ba9 in uvm_map (
     map=map@entry=0xffffffff80a21780 <module_map_store>, 
     startp=startp@entry=0xfffffe810f4bca58, size=size@entry=4096, 
     uobj=<optimized out>, uoffset=uoffset@entry=-1, align=<optimized out>, 
     flags=<optimized out>, flags@entry=5923) at /usr/src/sys/uvm/uvm_map.c:1101
 #13 0xffffffff8046e53f in uvm_km_alloc (
     map=0xffffffff80a21780 <module_map_store>, size=size@entry=4096, 
     align=align@entry=0, flags=flags@entry=1) at /usr/src/sys/uvm/uvm_km.c:621
 #14 0xffffffff804cea8a in kobj_load (ko=ko@entry=0xfffffe822c176b08)
     at /usr/src/sys/kern/subr_kobj.c:429
 #15 0xffffffff804cf355 in kobj_load_vfs (kop=kop@entry=0xfffffe822601c2c0, 
     path=path@entry=0xfffffe822b0c4400 "/usr/obj/destdir.amd64/stand/amd64/7.99.72/modules/coram/coram.kmod", nochroot=nochroot@entry=false)
     at /usr/src/sys/kern/subr_kobj_vfs.c:190
 #16 0xffffffff8049fd08 in module_load_vfs (
     name=0xfffffe822bbe7400 "/usr/obj/destdir.amd64/stand/amd64/7.99.72/modules/coram/coram.kmod", flags=0, autoload=<optimized out>, mod=0xfffffe822601c2b0, 
     filedictp=0xfffffe810f4bccd0) at /usr/src/sys/kern/kern_module_vfs.c:85
 #17 0xffffffff8049f415 in module_do_load (
     name=name@entry=0xfffffe822bbe7400 "/usr/obj/destdir.amd64/stand/amd64/7.99.72/modules/coram/coram.kmod", isdep=isdep@entry=false, flags=flags@entry=0, 
     props=props@entry=0xfffffe822c2779c8, modp=modp@entry=0x0, 
     modclass=modclass@entry=MODULE_CLASS_ANY, autoload=autoload@entry=false)
     at /usr/src/sys/kern/kern_module.c:972
 #18 0xffffffff8049f6f9 in module_load (
     filename=filename@entry=0xfffffe822bbe7400 "/usr/obj/destdir.amd64/stand/amd64/7.99.72/modules/coram/coram.kmod", flags=flags@entry=0, 
     props=props@entry=0xfffffe822c2779c8, 
     modclass=modclass@entry=MODULE_CLASS_ANY)
     at /usr/src/sys/kern/kern_module.c:593
 #19 0xffffffff804e0b74 in handle_modctl_load (ml_filename=<optimized out>, 
     ml_flags=0, ml_props=<optimized out>, ml_propslen=190)
     at /usr/src/sys/kern/sys_module.c:103
 #20 0xffffffff804e0e50 in sys_modctl (l=<optimized out>, uap=<optimized out>, 
     retval=<optimized out>) at /usr/src/sys/kern/sys_module.c:209
 #21 0xffffffff8023347c in sy_call (rval=0xfffffe810f4bceb0, 
     uap=0xfffffe810f4bcf00, l=0xfffffe822beeab80, 
     sy=0xffffffff80a0e610 <sysent+5904>) at /usr/src/sys/sys/syscallvar.h:65
 #22 sy_invoke (code=246, rval=0xfffffe810f4bceb0, uap=0xfffffe810f4bcf00, 
     l=0xfffffe822beeab80, sy=0xffffffff80a0e610 <sysent+5904>)
     at /usr/src/sys/sys/syscallvar.h:94
 #23 syscall (frame=0xfffffe810f4bcf00)
     at /usr/src/sys/arch/x86/x86/syscall.c:144
 #24 0xffffffff80200771 in Xsyscall ()
 
 --- The dmesg of PAPYRUS -------------------------------------------
 
 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 7.99.72 (PAPYRUS) #12: Mon May 22 01:05:18 CEST 2017
 	troot@papyrus:/usr/obj/sys/arch/amd64/compile/PAPYRUS
 total memory = 8073 MB
 avail memory = 7829 MB
 timecounter: Timecounters tick every 10.000 msec
 running cgd selftest aes-xts-256 aes-xts-512 done
 RTC BIOS diagnostic error 0x3f<config_unit,memory_size,fixed_disk,invalid_time>
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 Generic PC
 mainbus0 (root)
 ACPI: RSDP 0x00000000000FE300 000024 (v02 DELL  )
 ACPI: XSDT 0x00000000CAFFDE18 00007C (v01 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: FACP 0x00000000CAF87D98 0000F4 (v04 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: DSDT 0x00000000CAF66018 0084C8 (v02 INT430 SYSFexxx 00001001 INTL 20090903)
 ACPI: FACS 0x00000000CAFE4E40 000040
 ACPI: FACS 0x00000000CAFE4D40 000040
 ACPI: APIC 0x00000000CAFFCF18 0000CC (v02 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: TCPA 0x00000000CAFE5D18 000032 (v02                 00000000      00000000)
 ACPI: SSDT 0x00000000CAF88A98 0002F9 (v01 DELLTP TPM      00003000 INTL 20090903)
 ACPI: MCFG 0x00000000CAFE5C98 00003C (v01 DELL   SNDYBRDG 06222004 MSFT 00000097)
 ACPI: HPET 0x00000000CAFE5C18 000038 (v01 A M I   PCHHPET 06222004 AMI. 00000003)
 ACPI: BOOT 0x00000000CAFE5B98 000028 (v01 DELL   CBX3     06222004 AMI  00010013)
 ACPI: SSDT 0x00000000CAF7D018 000804 (v01 PmRef  Cpu0Ist  00003000 INTL 20090903)
 ACPI: SSDT 0x00000000CAF7C018 000996 (v01 PmRef  CpuPm    00003000 INTL 20090903)
 ACPI: DMAR 0x00000000CAF87C18 0000E8 (v01 INTEL  SNB      00000001 INTL 00000001)
 ACPI: SLIC 0x00000000CAF86C18 000176 (v03 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: 4 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
 cpu0: package 0, core 0, smt 0
 cpu1 at mainbus0 apid 2
 cpu1: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
 cpu1: package 0, core 1, smt 0
 cpu2 at mainbus0 apid 1
 cpu2: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
 cpu2: package 0, core 0, smt 1
 cpu3 at mainbus0 apid 3
 cpu3: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
 cpu3: package 0, core 1, smt 1
 acpi0 at mainbus0: Intel ACPICA 20170303
 acpi0: X/RSDT: OemId <DELL  , CBX3   ,06222004>, AslId <MSFT,00010013>
 acpi0: MCFG: segment 0, bus 0-63, address 0x00000000f8000000
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE810E6E8810 000727 (v01 PmRef  Cpu0Cst  00003001 INTL 20090903)
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE810E69F810 000303 (v01 PmRef  ApIst    00003000 INTL 20090903)
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE810E670590 000119 (v01 PmRef  ApCst    00003000 INTL 20090903)
 acpi0: SCI interrupting at int 9
 timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
 acpiec0 at acpi0 (ECDV, PNP0C09-0): io 0x930,0x934
 FWHD (INT0800) at acpi0 not configured
 HPET (PNP0103) at acpi0 not configured
 LDRC (PNP0C02) at acpi0 not configured
 attimer0 at acpi0 (TIMR, PNP0100): io 0x40-0x43,0x50-0x53 irq 0
 pckbc0 at acpi0 (PS2K, PNP0303) (kbd port): io 0x60,0x64 irq 1
 pckbc1 at acpi0 (PS2M, DLL04A9) (aux port): irq 12
 PDRC (PNP0C02) at acpi0 not configured
 A_CC (SMO8800) at acpi0 not configured
 acpivga0 at acpi0 (VID): ACPI Display Adapter
 acpiout0 at acpivga0 (CRT, 0x0100): ACPI Display Output Device
 acpiout1 at acpivga0 (LCD, 0x0400): ACPI Display Output Device
 acpiout1: brightness levels: [0,6,13,20,26,33,40,46,53,60,66,73,80,86,93,100]
 acpiout2 at acpivga0 (DVI, 0x0302): ACPI Display Output Device
 acpiout3 at acpivga0 (DVI2, 0x0303): ACPI Display Output Device
 acpiout4 at acpivga0 (DVI3, 0x0304): ACPI Display Output Device
 acpiout5 at acpivga0 (DP, 0x0300): ACPI Display Output Device
 acpiout6 at acpivga0 (DP2, 0x0301): ACPI Display Output Device
 acpiout7 at acpivga0 (DP3, 0x0305): ACPI Display Output Device
 acpivga0: connected output devices:
 acpivga0:   0x0100 (acpiout0): Ext. Monitor, head 0
 acpivga0:   0x0400 (acpiout1): Unknown Output Device, head 0
 acpivga0:   0x0302 (acpiout2): Unknown Output Device, head 0
 acpivga0:   0x0303 (acpiout3): Unknown Output Device, head 0
 acpivga0:   0x0300 (acpiout5): Unknown Output Device, head 0
 acpivga0:   0x0301 (acpiout6): Unknown Output Device, head 0
 acpivga0:   0x0304 (acpiout4): Unknown Output Device, head 0
 acpivga0:   0x0305 (acpiout7): Unknown Output Device, head 0
 acpilid0 at acpi0 (LID, PNP0C0D): ACPI Lid Switch
 acpibut0 at acpi0 (PBTN, PNP0C0C): ACPI Power Button
 acpibut1 at acpi0 (SBTN, PNP0C0E): ACPI Sleep Button
 acpiacad0 at acpi0 (AC, ACPI0003): ACPI AC Adapter
 acpibat0 at acpi0 (BAT0, PNP0C0A-1): ACPI Battery
 acpibat0: SMP LION rechargeable battery
 acpibat0: granularity: low->warn 0.054 Ah, warn->full 0.054 Ah
 acpibat1 at acpi0 (BAT1, PNP0C0A-2): ACPI Battery
 acpiwmi0 at acpi0 (AMW0, PNP0C14-0): ACPI WMI Interface
 acpiwmibus at acpiwmi0 not configured
 MEM2 (PNP0C01) at acpi0 not configured
 acpitz0 at acpi0 (THM)
 acpitz0: levels: critical 107.0 C, passive cooling
 apm0 at acpi0: Power Management spec V1.2
 ACPI: Enabled 2 GPEs in block 00 to 3F
 pckbd0 at pckbc0 (kbd slot)
 pckbc0: using irq 1 for kbd slot
 wskbd0 at pckbd0: console keyboard
 pms0 at pckbc0 (aux slot)
 pckbc0: 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 msi0 vec 0 (i915)
 drm: Wrong MCH_SSKPD value: 0x16040307
 drm: This can cause pipe underruns and display issues.
 drm: Please upgrade your BIOS to fix this.
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xffff80008df25000, size 1366x768, depth 32, stride 5504
 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 msi1 vec 0
 wm0: PCI-Express bus
 wm0: 2048 words FLASH
 wm0: Ethernet address 24:b6:fd:fb:65:31
 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 msi2 vec 0
 hdafg0 at hdaudio0: vendor 111d product 76e7
 hdafg0: DAC00 2ch: Speaker [Built-In], HP Out [Jack]
 hdafg0: ADC01 2ch: Mic In [Jack]
 hdafg0: ADC02 2ch: Mic In [Jack & Built-In]
 hdafg0: DAC03 2ch: Speaker [Jack]
 hdafg0: 2ch/2ch 44100Hz 48000Hz 88200Hz 96000Hz 192000Hz PCM16 PCM20 PCM24 AC3
 audio0 at hdafg0: full duplex, playback, capture, mmap, independent
 hdafg0: Virtual format configured - Format SLINEAR, precision 16, channels 2, frequency 48000
 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 1
 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 2
 pci2: i/o space, memory space enabled, rd/line, wr/inv ok
 iwn0 at pci2 dev 0 function 0: vendor 8086 product 422b (rev. 0x35)
 iwn0: interrupting at msi3 vec 0
 iwn0: MIMO 3T3R, MoW, address 24:77:03:55:1f:24
 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
 ehci1 at pci0 dev 29 function 0: vendor 8086 product 1c26 (rev. 0x04)
 ehci1: interrupting at ioapic0 pin 17
 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
 ahcisata0 at pci0 dev 31 function 2: vendor 8086 product 1c03 (rev. 0x04)
 ahcisata0: interrupting at ioapic0 pin 18
 ahcisata0: 64-bit DMA
 ahcisata0: AHCI revision 1.30, 6 ports, 32 slots, CAP 0xef30ff65<SXS,EMS,PSC,SSC,PMD,ISS=0x3=Gen3,SCLO,SAL,SALP,SSS,SSNTF,SNCQ,S64A>
 atabus0 at ahcisata0 channel 0
 atabus1 at ahcisata0 channel 1
 atabus2 at ahcisata0 channel 3
 atabus3 at ahcisata0 channel 4
 atabus4 at ahcisata0 channel 5
 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 0x200114e4 rev 0x20
 pcppi0 at isa0 port 0x61
 midi0 at pcppi0: PC speaker
 sysbeep0 at pcppi0
 attimer0: attached to pcppi0
 acpicpu0 at cpu0: ACPI CPU
 acpicpu0: C1: FFH, lat   1 us, pow  1000 mW
 acpicpu0: C2: FFH, lat  80 us, pow   500 mW
 acpicpu0: C3: FFH, lat 109 us, pow   200 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
 coretemp1 at cpu1: thermal sensor, 1 C resolution, Tjmax=100
 acpicpu2 at cpu2: ACPI CPU
 acpicpu3 at cpu3: ACPI CPU
 timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
 timecounter: Timecounter "TSC" frequency 2494510320 Hz quality 3000
 uhub0 at usb0: vendor 8086 (0x8086) EHCI root hub (0000), class 9/0, rev 2.00/1.00, addr 1
 uhub0: 2 ports with 2 removable, self powered
 uhub1 at usb1: vendor 8086 (0x8086) EHCI root hub (0000), class 9/0, rev 2.00/1.00, addr 1
 uhub1: 2 ports with 2 removable, self powered
 acpiacad0: AC adapter online.
 ahcisata0 port 0: device present, speed: 6.0Gb/s
 drm: Enabling RC6 states: RC6 on, RC6p off, RC6pp off
 wd0 at atabus0 drive 0
 wd0: <SAMSUNG SSD PM830 2.5" 7mm 256GB>
 wd0: drive supports 16-sector PIO transfers, LBA48 addressing
 wd0: 238 GB, 496149 cyl, 16 head, 63 sec, 512 bytes/sect x 500118192 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)
 uhub2 at uhub0 port 1: vendor 8087 (0x8087) product 0024 (0x24), class 9/0, rev 2.00/0.00, addr 2
 uhub2: single transaction translator
 uhub3 at uhub1 port 1: vendor 8087 (0x8087) product 0024 (0x24), class 9/0, rev 2.00/0.00, addr 2
 uhub3: single transaction translator
 uhub2: 6 ports with 6 removable, self powered
 uhub3: 8 ports with 8 removable, self powered
 ubt0 at uhub2 port 4
 ubt0: Dell Computer Corp (0x413c) DW375 Bluetooth Module (0x8187), rev 2.00/5.17, addr 3
 ugen0 at uhub3 port 8
 ugen0: Broadcom Corp (0xa5c) 5880 (0x5800), rev 1.10/1.01, addr 3
 uvideo0 at uhub2 port 5 configuration 1 interface 0: 00219708CC52-C211-011F0D (0x1bcf) Laptop_Integrated_Webcam_HD (0x2980), rev 2.00/c.17, addr 4
 video0 at uvideo0: 00219708CC52-C211-011F0D (0x1bcf) Laptop_Integrated_Webcam_HD (0x2980), rev 2.00/c.17, addr 4
 pad0: outputs: 44100Hz, 16-bit, stereo
 audio1 at pad0: half duplex, playback, capture, mmap
 pad0: Virtual format configured - Format SLINEAR, precision 16, channels 2, frequency 44100
 boot device: wd0
 root on wd0a dumps on wd0b
 dump_misc_init: max_paddr = 0x22e000000
 mountroot: trying ext2fs...
 mountroot: trying ffs...
 root file system type: ffs
 kern.module.path=/stand/amd64/7.99.72/modules
 init: copying out path `/sbin/init' 11
 wm0: link state DOWN (was UNKNOWN)
 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)
 wsdisplay0: screen 5 added (default, vt100 emulation)
 bthub0 at ubt0 local-bdaddr 9c:b7:0d:53:b9:fb
 iwn0: link state UP (was UNKNOWN)
 
 
 --- The PAPYRUS config file ---------------------------------------
 
 #
 # PAPYRUS machine description file
 #
 
 include	"arch/amd64/conf/std.amd64"
 
 options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
 
 maxusers	64		# estimated number of users
 
 # Standard system options
 
 options 	INSECURE	# disable kernel security levels - X needs this
 
 options 	RTC_OFFSET=0	# hardware clock is this many mins. west of GMT
 options 	NTP		# NTP phase/frequency locked loop
 
 options 	KTRACE		# system call tracing via ktrace(1)
 
 options		CPU_UCODE	# cpu ucode loading support
 
 # Note: SysV IPC parameters could be changed dynamically, see sysctl(8).
 options 	SYSVMSG		# System V-like message queues
 options 	SYSVSEM		# System V-like semaphores
 options 	SYSVSHM		# System V-like memory sharing
 
 options 	MODULAR		# new style module(7) framework
 options 	USERCONF	# userconf(4) support
 
 # CPU features
 acpicpu*	at cpu?		# ACPI CPU (including frequency scaling)
 coretemp*	at cpu?		# Intel on-die thermal sensor
 
 # Alternate buffer queue strategies for better responsiveness under high
 # disk I/O load.
 options 	BUFQ_PRIOCSCAN
 
 # Diagnostic/debugging support options
 makeoptions     COPTS="-O2 -fno-omit-frame-pointer"
 #options 	DIAGNOSTIC	# expensive kernel consistency checks
 				# XXX to be commented out on release branch
 options 	DEBUG		# expensive debugging checks/support
 options 	LOCKDEBUG	# expensive locking checks/support
 #options 	KMEMSTATS	# kernel memory statistics (vmstat -m)
 makeoptions     DEBUG="-g"      # compile full symbol table
 
 #
 # Because gcc omits the frame pointer for any -O level, the line below
 # is needed to make backtraces in DDB work.
 #
 options 	DDB		# in-kernel debugger
 #options	DDB_COMMANDONENTER="bt"	# execute command when ddb is entered
 #options 	DDB_ONPANIC=1	# see also sysctl(8): `ddb.onpanic'
 options 	DDB_HISTORY_SIZE=512	# enable history editing in DDB
 #options 	KGDB		# remote debugger
 #options 	KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
 #makeoptions	DEBUG="-g"	# compile full symbol table
 #options 	SYSCALL_STATS	# per syscall counts
 #options 	SYSCALL_TIMES	# per syscall times
 #options 	SYSCALL_TIMES_HASCOUNTER	# use 'broken' rdtsc (soekris)
 
 # Compatibility options
 options 	COMPAT_70	# NetBSD 6.0 compatibility.
 
 options 	COMPAT_OSSAUDIO
 options 	COMPAT_LINUX
 options 	COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.
 
 # File systems
 file-system 	FFS		# UFS
 file-system	MFS		# memory file system
 file-system 	NFS		# Network File System client
 file-system	TMPFS		# Efficient memory file-system
 file-system	EXT2FS		# second extended file system (linux)
 file-system	NTFS		# Windows/NT file system (experimental)
 file-system	CD9660		# ISO 9660 + Rock Ridge file system
 file-system	MSDOSFS		# MS-DOS file system
 file-system	KERNFS		# /kern
 file-system	NULLFS		# loopback file system
 file-system	OVERLAY		# overlay file system
 file-system	PROCFS		# /proc
 file-system	PUFFS		# Userspace file systems (e.g. ntfs-3g & sshfs)
 file-system	UNION		# union file system
 file-system	PTYFS		# /dev/ptm support
 
 # File system options
 options 	WAPBL		# File system journaling support
 options 	NFSSERVER	# Network File System server
 
 # Networking options
 options 	INET		# IP + ICMP + TCP + UDP
 options 	INET6		# IPV6
 
 # These options enable verbose messages for several subsystems.
 # Warning, these may compile large string tables into the kernel!
 #options 	ACPIVERBOSE	# verbose ACPI configuration messages
 #options 	MIIVERBOSE	# verbose PHY autoconfig messages
 #options 	PCIVERBOSE	# verbose PCI device autoconfig messages
 #options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
 #options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
 options 	SCSIVERBOSE	# human readable SCSI error messages
 #options 	USBVERBOSE	# verbose USB device autoconfig messages
 
 #
 # wscons options
 #
 # builtin terminal emulations
 options 	WSEMUL_VT100		# VT100 / VT220 emulation
 # different kernel output - see dev/wscons/wsdisplayvar.h
 options 	WS_KERNEL_FG=WSCOL_GREEN
 #options 	WS_KERNEL_BG=WSCOL_BLACK
 # compatibility to other console drivers
 options 	WSDISPLAY_COMPAT_PCVT		# emulate some ioctls
 options 	WSDISPLAY_COMPAT_SYSCONS	# emulate some ioctls
 options 	WSDISPLAY_COMPAT_USL		# wsconscfg VT handling
 options 	WSDISPLAY_COMPAT_RAWKBD		# can get raw scancodes
 # don't attach pckbd as the console if no PS/2 keyboard is found
 options 	PCKBD_CNATTACH_MAY_FAIL
 # see dev/pckbport/wskbdmap_mfii.c for implemented layouts
 #options 	PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
 # allocate a number of virtual screens at autoconfiguration time
 #options 	WSDISPLAY_DEFAULTSCREENS=4
 # use a large software cursor that doesn't blink
 options 	PCDISPLAY_SOFTCURSOR
 # modify the screen type of the console; defaults to "80x25"
 #options 	VGA_CONSOLE_SCREENTYPE="\"80x24\""
 # work around a hardware bug that loaded fonts don't work; found on ATI cards
 #options 	VGA_CONSOLE_ATI_BROKEN_FONTSEL
 # console scrolling support.
 options 	WSDISPLAY_SCROLLSUPPORT
 
 # Kernel root file system and dump configuration.
 config		netbsd	root on ? type ?
 
 #
 # Device configuration
 #
 
 # ACPI will be used if present. If not it will fall back to MPBIOS
 acpi0		at mainbus0
 options 	ACPI_SCANPCI		# find PCI roots using ACPI
 options 	VGA_POST		# in-kernel support for VGA POST
 
 # ACPI devices
 apm*		at acpi?		# ACPI apm emulation
 acpiacad*	at acpi?		# ACPI AC Adapter
 acpibat*	at acpi?		# ACPI Battery
 acpibut*	at acpi?		# ACPI Button
 acpiec* 	at acpi?		# ACPI Embedded Controller (late)
 acpilid*	at acpi?		# ACPI Lid Switch
 acpitz* 	at acpi?		# ACPI Thermal Zone
 acpivga*	at acpi?		# ACPI Display Adapter
 acpiout*	at acpivga?		# ACPI Display Output Device
 acpiwmi*	at acpi?		# ACPI WMI Mapper
 
 # Mainboard devices
 attimer*	at acpi?		# AT Timer
 pckbc*		at acpi?		# PC keyboard controller
 pcppi*		at acpi?		# AT-style speaker sound
 
 # Basic Bus Support
 
 # PCI bus support
 pci*	at mainbus? bus ?
 pci*	at pchb? bus ?
 pci*	at ppb? bus ?
 
 # PCI bridges
 pchb*	at pci? dev ? function ?	# PCI-Host bridges
 ppb*	at pci? dev ? function ?	# PCI-PCI bridges
 
 ichlpcib* at pci? dev ? function ?	# Intel ICH PCI-LPC w/ timecounter,
 	     	      		 	# watchdog and Speedstep and HPET
 
 agp*    at pchb?
 
 # ISA bus support
 isa0	at ichlpcib?
 
 # Console Devices
 
 # wscons
 pckbd*		at pckbc?		# PC keyboard
 pms*		at pckbc?		# PS/2 mouse for wsmouse
 options 	PMS_SYNAPTICS_TOUCHPAD	# Enable support for Synaptics Touchpads
 options 	PMS_ELANTECH_TOUCHPAD	# Enable support for Elantech Touchpads
 vga*		at pci? dev ? function ?
 options 	VCONS_DRAW_INTR
 wsdisplay*	at vga? console ?
 wsdisplay*	at wsemuldisplaydev?
 wskbd*		at pckbd? console ?
 wsmouse*	at pms? mux 0
 
 pcppi0		at isa?
 sysbeep0	at pcppi?
 
 # DRMKMS drivers
 i915drmkms*     at pci? dev ? function ?
 intelfb*        at intelfbbus?
 
 # Cryptographic Devices
 
 # Trusted Platform Module
 tpm*   at isa? iomem 0xfed40000 irq 7
 
 # Serial Devices
 
 # Hardware monitors
 
 # Intel ICH SMBus controller
 ichsmb* at pci? dev ? function ?
 iic*	at ichsmb?
 
 # SCSI bus support
 scsibus* at scsi?
 
 # SCSI devices
 sd*	at scsibus? target ? lun ?	# SCSI disk drives
 
 # IDE and related devices
 # PCI IDE controllers - see pciide(4) for supported hardware.
 # The 0x0001 flag force the driver to use DMA, even if the driver doesn't know
 # how to set up DMA modes for this chip. This may work, or may cause
 # a machine hang with some controllers.
 ahcisata* at pci? dev ? function ?	# AHCI SATA controllers
 
 # ATA (IDE) bus support
 atabus* at ata?
 
 # IDE drives
 # Flags are used only with controllers that support DMA operations
 # and mode settings (e.g. some pciide controllers)
 # The lowest order four bits (rightmost digit) of the flags define the PIO
 # mode to use, the next set of four bits the DMA mode and the third set the
 # UltraDMA mode. For each set of four bits, the 3 lower bits define the mode
 # to use, and the last bit must be 1 for this setting to be used.
 # For DMA and UDMA, 0xf (1111) means 'disable'.
 # 0x0fac means 'use PIO mode 4, DMA mode 2, disable UltraDMA'.
 # (0xc=1100, 0xa=1010, 0xf=1111)
 # 0x0000 means "use whatever the drive claims to support".
 wd*	at atabus? drive ? flags 0x0000
 
 # ATAPI bus support
 atapibus* at atapi?
 
 # ATAPI devices
 cd*	at atapibus? drive ? flags 0x0000	# ATAPI CD-ROM drives
 
 # Network Interfaces
 
 # PCI network interfaces
 wm*	at pci? dev ? function ?	# Intel 82543/82544 gigabit
 iwn*	at pci? dev ? function ?	# Intel PRO/Wireless 4965AGN
 
 # MII/PHY support
 ihphy*	at mii? phy ?			# Intel 82577 PHYs
 
 
 # USB Controller and Devices
 
 # PCI USB controllers
 ehci*	at pci?	dev ? function ?	# Enhanced Host Controller
 
 # USB bus support
 usb*	at ehci?
 
 # USB Hubs
 uhub*	at usb?
 uhub*	at uhub? port ?
 
 # USB HID device
 uhidev* at uhub? port ? configuration ? interface ?
 
 # USB Mice
 ums*	at uhidev? reportid ?
 wsmouse* at ums? mux 0
 
 # USB Keyboards
 ukbd*	at uhidev? reportid ?
 wskbd*	at ukbd? console ? mux 1
 
 # Serial adapters
 uftdi*   at uhub? port ?		# FTDI FT8U100AX serial adapter
 ucom*    at uftdi? portno ?
 
 # USB Generic HID devices
 uhid*	at uhidev? reportid ?
 
 # USB Mass Storage
 umass*	at uhub? port ? configuration ? interface ?
 wd* at umass?
 
 # USB audio
 uaudio* at uhub? port ? configuration ?
 uaudio* at usbifif?
 
 # USB MIDI
 umidi*	at uhub? port ? configuration ?
 
 # USB Generic driver
 ugen*	at uhub? port ?
 
 # Audio Devices
 
 # High Definition Audio
 hdaudio*	at pci? dev ? function ?	# High Definition Audio
 hdafg*		at hdaudiobus?
 
 # Audio support
 audio*	at audiobus?
 
 # MIDI support
 midi*	at midibus?
 midi*	at pcppi?		# MIDI interface to the PC speaker
 
 # Video capture devices
 uvideo* at uhub?                        # USB Video Class capture devices
 video*  at videobus?                    # Analog capture interface
 
 # Bluetooth Controller and Device support
 
 # Bluetooth USB Controllers
 ubt* at uhub? port ?
 
 # Bluetooth Device Hub
 bthub* at ubt?
 
 # Bluetooth HID support
 bthidev* at bthub?
 
 
 # Pseudo-Devices
 
 pseudo-device 	crypto			# /dev/crypto device
 pseudo-device	swcrypto		# software crypto implementation
 
 # disk/mass storage pseudo-devices
 pseudo-device	cgd			# cryptographic disk devices
 pseudo-device	fss			# file system snapshot device
 pseudo-device	putter			# for puffs and pud
 
 pseudo-device	md			# memory disk device (ramdisk)
 options 	MEMORY_DISK_HOOKS	# enable root ramdisk
 options 	MEMORY_DISK_DYNAMIC	# loaded via kernel module(7)
 
 pseudo-device	vnd			# disk-like interface to files
 #options 	VND_COMPRESSION		# compressed vnd(4)
 
 
 # network pseudo-devices
 pseudo-device	bpfilter		# Berkeley packet filter
 pseudo-device	loop			# network loopback
 pseudo-device	tun			# network tunneling over tty
 pseudo-device	tap			# virtual Ethernet
 pseudo-device	gre			# generic L3 over IP tunnel
 pseudo-device	gif			# IPv[46] over IPv[46] tunnel (RFC1933)
 pseudo-device	vlan			# IEEE 802.1q encapsulation
 pseudo-device	bridge			# simple inter-network bridging
 #options 	BRIDGE_IPF		# bridge uses IP/IPv6 pfil hooks too
 pseudo-device	npf			# NPF packet filter
 
 # miscellaneous pseudo-devices
 pseudo-device	pty			# pseudo-terminals
 pseudo-device	clockctl		# user control of clock subsystem
 pseudo-device	ksyms			# /dev/ksyms
 
 # wscons pseudo-devices
 pseudo-device	wsmux			# mouse & keyboard multiplexor
 pseudo-device	wsfont
 
 # pseudo audio device driver
 pseudo-device	pad
 
 # userland interface to drivers, including autoconf and properties retrieval
 pseudo-device	drvctl
 
 
 --- The GENERIC dmesg - just in case ------------------------------
 
 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 7.99.72 (GENERIC) #0: Tue May 23 23:51:27 CEST 2017
 	troot@papyrus:/usr/obj/sys/arch/amd64/compile/GENERIC
 total memory = 8073 MB
 avail memory = 7817 MB
 timecounter: Timecounters tick every 10.000 msec
 Kernelized RAIDframe activated
 running cgd selftest aes-xts-256 aes-xts-512 done
 RTC BIOS diagnostic error 0x3f<config_unit,memory_size,fixed_disk,invalid_time>
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 Dell Inc. Latitude E6220 (01)
 mainbus0 (root)
 ACPI: RSDP 0x00000000000FE300 000024 (v02 DELL  )
 ACPI: XSDT 0x00000000CAFFDE18 00007C (v01 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: FACP 0x00000000CAF87D98 0000F4 (v04 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: DSDT 0x00000000CAF66018 0084C8 (v02 INT430 SYSFexxx 00001001 INTL 20090903)
 ACPI: FACS 0x00000000CAFE4E40 000040
 ACPI: FACS 0x00000000CAFE4D40 000040
 ACPI: APIC 0x00000000CAFFCF18 0000CC (v02 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: TCPA 0x00000000CAFE5D18 000032 (v02                 00000000      00000000)
 ACPI: SSDT 0x00000000CAF88A98 0002F9 (v01 DELLTP TPM      00003000 INTL 20090903)
 ACPI: MCFG 0x00000000CAFE5C98 00003C (v01 DELL   SNDYBRDG 06222004 MSFT 00000097)
 ACPI: HPET 0x00000000CAFE5C18 000038 (v01 A M I   PCHHPET 06222004 AMI. 00000003)
 ACPI: BOOT 0x00000000CAFE5B98 000028 (v01 DELL   CBX3     06222004 AMI  00010013)
 ACPI: SSDT 0x00000000CAF7D018 000804 (v01 PmRef  Cpu0Ist  00003000 INTL 20090903)
 ACPI: SSDT 0x00000000CAF7C018 000996 (v01 PmRef  CpuPm    00003000 INTL 20090903)
 ACPI: DMAR 0x00000000CAF87C18 0000E8 (v01 INTEL  SNB      00000001 INTL 00000001)
 ACPI: SLIC 0x00000000CAF86C18 000176 (v03 DELL   CBX3     06222004 MSFT 00010013)
 ACPI: 4 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
 cpu0: package 0, core 0, smt 0
 cpu1 at mainbus0 apid 2
 cpu1: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
 cpu1: package 0, core 1, smt 0
 cpu2 at mainbus0 apid 1
 cpu2: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
 cpu2: package 0, core 0, smt 1
 cpu3 at mainbus0 apid 3
 cpu3: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, id 0x206a7
 cpu3: package 0, core 1, smt 1
 acpi0 at mainbus0: Intel ACPICA 20170303
 acpi0: X/RSDT: OemId <DELL  , CBX3   ,06222004>, AslId <MSFT,00010013>
 acpi0: MCFG: segment 0, bus 0-63, address 0x00000000f8000000
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE810E6A3810 000727 (v01 PmRef  Cpu0Cst  00003001 INTL 20090903)
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE822BE73410 000303 (v01 PmRef  ApIst    00003000 INTL 20090903)
 ACPI: Dynamic OEM Table Load:
 ACPI: SSDT 0xFFFFFE810E635010 000119 (v01 PmRef  ApCst    00003000 INTL 20090903)
 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 (ECDV, PNP0C09-0): io 0x930,0x934
 FWHD (INT0800) at acpi0 not configured
 LDRC (PNP0C02) at acpi0 not configured
 attimer1 at acpi0 (TIMR, PNP0100): io 0x40-0x43,0x50-0x53 irq 0
 pckbc1 at acpi0 (PS2K, PNP0303) (kbd port): io 0x60,0x64 irq 1
 pckbc2 at acpi0 (PS2M, DLL04A9) (aux port): irq 12
 PDRC (PNP0C02) at acpi0 not configured
 A_CC (SMO8800) at acpi0 not configured
 acpivga0 at acpi0 (VID): ACPI Display Adapter
 acpiout0 at acpivga0 (CRT, 0x0100): ACPI Display Output Device
 acpiout1 at acpivga0 (LCD, 0x0400): ACPI Display Output Device
 acpiout1: brightness levels: [0,6,13,20,26,33,40,46,53,60,66,73,80,86,93,100]
 acpiout2 at acpivga0 (DVI, 0x0302): ACPI Display Output Device
 acpiout3 at acpivga0 (DVI2, 0x0303): ACPI Display Output Device
 acpiout4 at acpivga0 (DVI3, 0x0304): ACPI Display Output Device
 acpiout5 at acpivga0 (DP, 0x0300): ACPI Display Output Device
 acpiout6 at acpivga0 (DP2, 0x0301): ACPI Display Output Device
 acpiout7 at acpivga0 (DP3, 0x0305): ACPI Display Output Device
 acpivga0: connected output devices:
 acpivga0:   0x0100 (acpiout0): Ext. Monitor, head 0
 acpivga0:   0x0400 (acpiout1): Unknown Output Device, head 0
 acpivga0:   0x0302 (acpiout2): Unknown Output Device, head 0
 acpivga0:   0x0303 (acpiout3): Unknown Output Device, head 0
 acpivga0:   0x0300 (acpiout5): Unknown Output Device, head 0
 acpivga0:   0x0301 (acpiout6): Unknown Output Device, head 0
 acpivga0:   0x0304 (acpiout4): Unknown Output Device, head 0
 acpivga0:   0x0305 (acpiout7): Unknown Output Device, head 0
 acpilid0 at acpi0 (LID, PNP0C0D): ACPI Lid Switch
 acpibut0 at acpi0 (PBTN, PNP0C0C): ACPI Power Button
 acpibut1 at acpi0 (SBTN, PNP0C0E): ACPI Sleep Button
 acpiacad0 at acpi0 (AC, ACPI0003): ACPI AC Adapter
 acpibat0 at acpi0 (BAT0, PNP0C0A-1): ACPI Battery
 acpibat0: SMP LION rechargeable battery
 acpibat0: granularity: low->warn 0.054 Ah, warn->full 0.054 Ah
 acpibat1 at acpi0 (BAT1, PNP0C0A-2): ACPI Battery
 acpiwmi0 at acpi0 (AMW0, PNP0C14-0): ACPI WMI Interface
 acpiwmibus at acpiwmi0 not configured
 MEM2 (PNP0C01) at acpi0 not configured
 acpitz0 at acpi0 (THM)
 acpitz0: levels: critical 107.0 C, passive cooling
 ACPI: Enabled 2 GPEs in block 00 to 3F
 pckbd0 at pckbc1 (kbd slot)
 pckbc1: using irq 1 for kbd slot
 wskbd0 at pckbd0: console keyboard
 pms0 at pckbc1 (aux slot)
 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 msi0 vec 0 (i915)
 drm: Wrong MCH_SSKPD value: 0x16040307
 drm: This can cause pipe underruns and display issues.
 drm: Please upgrade your BIOS to fix this.
 intelfb0 at i915drmkms0
 i915drmkms0: info: registered panic notifier
 intelfb0: framebuffer at 0xffff80008dedc000, size 1366x768, depth 32, stride 5504
 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 msi1 vec 0
 wm0: PCI-Express bus
 wm0: 2048 words FLASH
 wm0: Ethernet address 24:b6:fd:fb:65:31
 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 msi2 vec 0
 hdafg0 at hdaudio0: vendor 111d product 76e7
 hdafg0: DAC00 2ch: Speaker [Built-In], HP Out [Jack]
 hdafg0: ADC01 2ch: Mic In [Jack]
 hdafg0: ADC02 2ch: Mic In [Jack & Built-In]
 hdafg0: DAC03 2ch: Speaker [Jack]
 hdafg0: 2ch/2ch 44100Hz 48000Hz 88200Hz 96000Hz 192000Hz PCM16 PCM20 PCM24 AC3
 audio0 at hdafg0: full duplex, playback, capture, mmap, independent
 hdafg0: Virtual format configured - Format SLINEAR, precision 16, channels 2, frequency 48000
 spkr0 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 1
 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 2
 pci2: i/o space, memory space enabled, rd/line, wr/inv ok
 iwn0 at pci2 dev 0 function 0: vendor 8086 product 422b (rev. 0x35)
 iwn0: interrupting at msi3 vec 0
 iwn0: MIMO 3T3R, MoW, address 24:77:03:55:1f:24
 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
 ehci1 at pci0 dev 29 function 0: vendor 8086 product 1c26 (rev. 0x04)
 ehci1: interrupting at ioapic0 pin 17
 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 18
 ahcisata0: 64-bit DMA
 ahcisata0: AHCI revision 1.30, 6 ports, 32 slots, CAP 0xef30ff65<SXS,EMS,PSC,SSC,PMD,ISS=0x3=Gen3,SCLO,SAL,SALP,SSS,SSNTF,SNCQ,S64A>
 atabus0 at ahcisata0 channel 0
 atabus1 at ahcisata0 channel 1
 atabus2 at ahcisata0 channel 3
 atabus3 at ahcisata0 channel 4
 atabus4 at ahcisata0 channel 5
 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 0x200114e4 rev 0x20
 pcppi0 at isa0 port 0x61
 spkr1 at pcppi0: PC Speaker
 midi0 at pcppi0: PC speaker
 sysbeep0 at pcppi0
 attimer1: attached to pcppi0
 acpicpu0 at cpu0: ACPI CPU
 acpicpu0: C1: FFH, lat   1 us, pow  1000 mW
 acpicpu0: C2: FFH, lat  80 us, pow   500 mW
 acpicpu0: C3: FFH, lat 109 us, pow   200 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
 coretemp1 at cpu1: thermal sensor, 1 C resolution, Tjmax=100
 acpicpu2 at cpu2: ACPI CPU
 acpicpu3 at cpu3: ACPI CPU
 timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
 timecounter: Timecounter "TSC" frequency 2494532040 Hz quality 3000
 acpiacad0: AC adapter online.
 IPsec: Initialized Security Association Processing.
 uhub0 at usb0: vendor 8086 (0x8086) EHCI root hub (0000), class 9/0, rev 2.00/1.00, addr 1
 uhub0: 2 ports with 2 removable, self powered
 uhub1 at usb1: vendor 8086 (0x8086) EHCI root hub (0000), class 9/0, rev 2.00/1.00, addr 1
 uhub1: 2 ports with 2 removable, self powered
 ahcisata0 port 0: device present, speed: 6.0Gb/s
 drm: Enabling RC6 states: RC6 on, RC6p off, RC6pp off
 wd0 at atabus0 drive 0
 wd0: <SAMSUNG SSD PM830 2.5" 7mm 256GB>
 wd0: drive supports 16-sector PIO transfers, LBA48 addressing
 wd0: 238 GB, 496149 cyl, 16 head, 63 sec, 512 bytes/sect x 500118192 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)
 uhub2 at uhub1 port 1: vendor 8087 (0x8087) product 0024 (0x24), class 9/0, rev 2.00/0.00, addr 2
 uhub2: single transaction translator
 uhub3 at uhub0 port 1: vendor 8087 (0x8087) product 0024 (0x24), 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
 ubt0 at uhub3 port 4
 ubt0: Dell Computer Corp (0x413c) DW375 Bluetooth Module (0x8187), rev 2.00/5.17, addr 3
 ugen0 at uhub2 port 8
 ugen0: Broadcom Corp (0xa5c) 5880 (0x5800), rev 1.10/1.01, addr 3
 uvideo0 at uhub3 port 5 configuration 1 interface 0: 00219708CC52-C211-011F0D (0x1bcf) Laptop_Integrated_Webcam_HD (0x2980), rev 2.00/c.17, addr 4
 video0 at uvideo0: 00219708CC52-C211-011F0D (0x1bcf) Laptop_Integrated_Webcam_HD (0x2980), rev 2.00/c.17, addr 4
 pad0: outputs: 44100Hz, 16-bit, stereo
 audio1 at pad0: half duplex, playback, capture, mmap
 pad0: Virtual format configured - Format SLINEAR, precision 16, channels 2, frequency 44100
 spkr2 at audio1: PC Speaker (synthesized)
 boot device: wd0
 root on wd0a dumps on wd0b
 root file system type: ffs
 kern.module.path=/stand/amd64/7.99.72/modules
 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)
 wsdisplay0: screen 5 added (default, vt100 emulation)
 bthub0 at ubt0 local-bdaddr 9c:b7:0d:53:b9:fb
 
 




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