Copyright (c) 1992-2016 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-BETA1 #25 r302428: Fri Jul  8 19:19:54 BST 2016
    root@BIL-BSD:/usr/obj/usr/src/sys/BIL_KERNEL amd64
FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM 3.8.0)
WARNING: WITNESS option enabled, expect reduced performance.
VT(vga): resolution 640x480
module_register: cannot register pci/iwm from kernel; already loaded from if_iwm.ko
Module pci/iwm failed to register: 17
CPU: Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz (2294.74-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x40651  Family=0x6  Model=0x45  Stepping=1
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x7fdafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
  AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
  AMD Features2=0x21<LAHF,ABM>
  Structured Extended Features=0x27ab<FSGSBASE,TSCADJ,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG>
  XSAVE Features=0x1<XSAVEOPT>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
  TSC: P-state invariant, performance statistics
real memory  = 8589934592 (8192 MB)
avail memory = 7951175680 (7582 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <LENOVO TP-GJ   >
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 hardware threads
random: unblocking device.
ioapic0 <Version 2.0> irqs 0-39 on motherboard
random: entropy device external interface
kbd1 at kbdmux0
netmap: loaded module
module_register_init: MOD_LOAD (vesa, 0xffffffff80940080, 0) error 19
random: registering fast source Intel Secure Key RNG
random: fast provider: "Intel Secure Key RNG"
vtvga0: <VT VGA driver> on motherboard
cryptosoft0: <software crypto> on motherboard
acpi0: <LENOVO TP-GJ> on motherboard
acpi_ec0: <Embedded Controller: GPE 0x25, ECDT> port 0x62,0x66 on acpi0
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
Event timer "HPET" frequency 14318180 Hz quality 550
Event timer "HPET1" frequency 14318180 Hz quality 440
Event timer "HPET2" frequency 14318180 Hz quality 440
Event timer "HPET3" frequency 14318180 Hz quality 440
Event timer "HPET4" frequency 14318180 Hz quality 440
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
Event timer "RTC" frequency 32768 Hz quality 0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1808-0x180b on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x3000-0x303f mem 0xe0000000-0xe03fffff,0xc0000000-0xdfffffff irq 16 at device 2.0 on pci0
vgapci0: Boot video device
hdac0: <Intel Haswell HDA Controller> mem 0xe0630000-0xe0633fff irq 16 at device 3.0 on pci0
xhci0: <Intel Panther Point USB 3.0 controller> mem 0xe0620000-0xe062ffff irq 16 at device 20.0 on pci0
xhci0: 32 bytes context size, 64-bit DMA
xhci0: Port routing mask set to 0xffffffff
usbus0 on xhci0
pci0: <simple comms> at device 22.0 (no driver attached)
em0: <Intel(R) PRO/1000 Network Connection 7.6.1-k> port 0x3080-0x309f mem 0xe0600000-0xe061ffff,0xe063e000-0xe063efff irq 20 at device 25.0 on pci0
em0: Using an MSI interrupt
em0: Ethernet address: 28:d2:44:3d:8f:ab
em0: netmap queues/slots: TX 1/1024, RX 1/1024
hdac1: <Intel Lynx Point-LP HDA Controller> mem 0xe0634000-0xe0637fff irq 22 at device 27.0 on pci0
pcib1: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <unknown> at device 0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> irq 18 at device 28.1 on pci0
pci2: <ACPI PCI bus> on pcib2
iwm0: <Intel Dual Band Wireless AC 7260> mem 0xe0400000-0xe0401fff irq 17 at device 0.0 on pci2
ehci0: <Intel Lynx Point LP USB 2.0 controller USB> mem 0xe063d000-0xe063d3ff irq 23 at device 29.0 on pci0
usbus1: EHCI version 1.0
usbus1 on ehci0
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
ahci0: <Intel Lynx Point-LP AHCI SATA controller> port 0x30a8-0x30af,0x30b4-0x30b7,0x30a0-0x30a7,0x30b0-0x30b3,0x3060-0x307f mem 0xe063c000-0xe063c7ff irq 19 at device 31.2 on pci0
ahci0: AHCI v1.30 with 3 6Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz0: _CRT value is absurd, ignored (200.1C)
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
battery0: <ACPI Control Method Battery> on acpi0
battery1: <ACPI Control Method Battery> on acpi0
acpi_acad0: <AC Adapter> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
est2: <Enhanced SpeedStep Frequency Control> on cpu2
est3: <Enhanced SpeedStep Frequency Control> on cpu3
usbus0: 5.0Gbps Super Speed USB v3.0
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
Timecounters tick every 10.000 msec
hdacc0: <Intel Haswell HDA CODEC> at cad 0 on hdac0
hdaa0: <Intel Haswell Audio Function Group> at nid 1 on hdacc0
pcm0: <Intel Haswell (HDMI/DP 8ch)> at nid 3 on hdaa0
hdacc1: <Realtek ALC292 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC292 Audio Function Group> at nid 1 on hdacc1
pcm1: <Realtek ALC292 (Analog 2.0+HP/2.0)> at nid 20,21 and 26 on hdaa1
pcm2: <Realtek ALC292 (Internal Analog Mic)> at nid 18 on hdaa1
usbus1: 480Mbps High Speed USB v2.0
ugen0.1: <0x8086> at usbus0
uhub0: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
iwm0: revision: 0x140, firmware 25.228 (API ver. 9)
ugen1.1: <Intel> at usbus1
uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <HGST HTS725050A7E630 GH2ZB550> ATA8-ACS SATA 3.x device
ada0: Serial Number TF655AY92TDYLL
ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 476940MB (976773168 512 byte sectors)
ada1 at ahcich2 bus 0 scbus1 target 0 lun 0
ada1: <SanDisk SSD U110 16GB U21A001> ACS-2 ATA SATA 3.x device
ada1: Serial Number 134137405175
ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 512bytes)
ada1: Command Queueing enabled
ada1: 15272MB (31277232 512 byte sectors)
SMP: AP CPU #1 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #2 Launched!
Timecounter "TSC-low" frequency 1147368127 Hz quality 1000
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from zfs:zroot/ROOT/default []...
Root mount waiting for: usbus1 usbus0
uhub0: 13 ports with 13 removable, self powered
Root mount waiting for: usbus1 usbus0
uhub1: 3 ports with 3 removable, self powered
ugen0.2: <vendor 0x8087> at usbus0
ugen0.3: <SunplusIT INC.> at usbus0
ugen1.2: <vendor 0x8087> at usbus1
uhub2: <vendor 0x8087 product 0x8000, class 9/0, rev 2.00/0.04, addr 2> on usbus1
uhub2: 8 ports with 8 removable, self powered
wlan0: Ethernet address: 5c:51:4f:87:08:57
iwm0: iwm_update_edca: called
iwm0: iwm_update_edca: called
wlan0: link state changed to UP
ubt0: <vendor 0x8087 product 0x07dc, class 224/1, rev 2.00/0.01, addr 1> on usbus0
WARNING: attempt to domain_add(bluetooth) after domainfinalize()
WARNING: attempt to domain_add(netgraph) after domainfinalize()
info: [drm] Initialized drm 1.1.0 20060810
drmn0: <Intel Haswell (ULT GT2 mobile)> on vgapci0
info: [drm] Memory usable by graphics device = 2048M
info: [drm] MTRR allocation failed.  Graphics performance may suffer.
iicbus0: <Philips I2C bus>error: [drm:pid1077:i915_write32] *ERROR* Unknown unclaimed register before writing to c5100
 on iicbb0 addr 0xff
iic0: <I2C generic I/O> on iicbus0
iic1: <I2C generic I/O> on iicbus1
iicbus2: <Philips I2C bus> on iicbb1 addr 0x0
iic2: <I2C generic I/O> on iicbus2
iic3: <I2C generic I/O> on iicbus3
iicbus4: <Philips I2C bus> on iicbb2 addr 0x0
iic4: <I2C generic I/O> on iicbus4
iic5: <I2C generic I/O> on iicbus5
iicbus6: <Philips I2C bus> on iicbb3 addr 0x0
iic6: <I2C generic I/O> on iicbus6
iic7: <I2C generic I/O> on iicbus7
iicbus8: <Philips I2C bus> on iicbb4 addr 0x0
iic8: <I2C generic I/O> on iicbus8
iic9: <I2C generic I/O> on iicbus9
iicbus10: <Philips I2C bus> on iicbb5 addr 0x0
iic10: <I2C generic I/O> on iicbus10
iic11: <I2C generic I/O> on iicbus11
info: [drm] MSI enabled 1 message(s)
info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
info: [drm] Driver supports precise vblank timestamp query.
drmn0: taking over the fictitious range 0xc0000000-0xe0000000
info: [drm] Connector eDP-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.eDP-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.HDMI-A-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector DP-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.DP-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-2: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.HDMI-A-2
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector DP-2: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.DP-2
info: [drm]   - kern.vt.fb.default_mode
info: [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
fbd0 on drmn0
VT: Replacing driver "vga" with new "fb".
info: [drm] Initialized i915 1.6.0 20080730 for drmn0 on minor 0
info: [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
pid 1174 (xfce4-power-manager), uid 1001: exited on signal 11
lock order reversal:
 1st 0xfffff800103758e0 filedesc structure (filedesc structure) @ /usr/src/sys/kern/kern_descrip.c:1229
 2nd 0xfffff801170819a0 zfs (zfs) @ /usr/src/sys/kern/vfs_subr.c:4899
stack backtrace:
#0 0xffffffff806541f0 at witness_debugger+0x70
#1 0xffffffff806540e9 at witness_checkorder+0xe69
#2 0xffffffff805cc0c2 at __lockmgr_args+0x4c2
#3 0xffffffff806a40dc at vop_stdlock+0x3c
#4 0xffffffff8099b3b0 at VOP_LOCK1_APV+0xe0
#5 0xffffffff806c517a at _vn_lock+0x9a
#6 0xffffffff805aca5e at knlist_remove_kq+0x7e
#7 0xffffffff806bbe08 at filt_vfsdetach+0x28
#8 0xffffffff805ad487 at knote_fdclose+0xc7
#9 0xffffffff805a0cd5 at closefp+0x65
#10 0xffffffff8092576b at amd64_syscall+0x2db
#11 0xffffffff80906b5b at Xfast_syscall+0xfb
wlan0: link state changed to DOWN
iwm0: iwm_update_edca: called
iwm0: iwm_update_edca: called
wlan0: ieee80211_new_state_locked: pending AUTH -> ASSOC transition lost
iwm0: iwm_update_edca: called
wlan0: link state changed to UP
panic: bogus refcnt 0 on lle 0xfffff8001092e200
cpuid = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0225ae4470
vpanic() at vpanic+0x182/frame 0xfffffe0225ae44f0
kassert_panic() at kassert_panic+0x126/frame 0xfffffe0225ae4560
llentry_free() at llentry_free+0x139/frame 0xfffffe0225ae4590
in_lltable_free_entry() at in_lltable_free_entry+0xb1/frame 0xfffffe0225ae45c0
htable_prefix_free() at htable_prefix_free+0xce/frame 0xfffffe0225ae4620
lltable_prefix_free() at lltable_prefix_free+0x5d/frame 0xfffffe0225ae4660
in_scrubprefix() at in_scrubprefix+0x290/frame 0xfffffe0225ae4700
in_difaddr_ioctl() at in_difaddr_ioctl+0x285/frame 0xfffffe0225ae4750
in_control() at in_control+0x96/frame 0xfffffe0225ae47d0
ifioctl() at ifioctl+0xdaa/frame 0xfffffe0225ae4860
kern_ioctl() at kern_ioctl+0x246/frame 0xfffffe0225ae48c0
sys_ioctl() at sys_ioctl+0x164/frame 0xfffffe0225ae49a0
amd64_syscall() at amd64_syscall+0x2db/frame 0xfffffe0225ae4ab0
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0225ae4ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x800fdd50a, rsp = 0x7fffffffe2a8, rbp = 0x7fffffffe2f0 ---
KDB: enter: panic
Copyright (c) 1992-2016 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-BETA1 #25 r302428: Fri Jul  8 19:19:54 BST 2016
    root@BIL-BSD:/usr/obj/usr/src/sys/BIL_KERNEL amd64
FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM 3.8.0)
WARNING: WITNESS option enabled, expect reduced performance.
VT(vga): resolution 640x480
module_register: cannot register pci/iwm from kernel; already loaded from if_iwm.ko
Module pci/iwm failed to register: 17
CPU: Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz (2294.74-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x40651  Family=0x6  Model=0x45  Stepping=1
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x7fdafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
  AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
  AMD Features2=0x21<LAHF,ABM>
  Structured Extended Features=0x27ab<FSGSBASE,TSCADJ,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG>
  XSAVE Features=0x1<XSAVEOPT>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
  TSC: P-state invariant, performance statistics
real memory  = 8589934592 (8192 MB)
avail memory = 7951175680 (7582 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <LENOVO TP-GJ   >
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 hardware threads
random: unblocking device.
ioapic0 <Version 2.0> irqs 0-39 on motherboard
random: entropy device external interface
kbd1 at kbdmux0
netmap: loaded module
module_register_init: MOD_LOAD (vesa, 0xffffffff80940080, 0) error 19
random: registering fast source Intel Secure Key RNG
random: fast provider: "Intel Secure Key RNG"
vtvga0: <VT VGA driver> on motherboard
cryptosoft0: <software crypto> on motherboard
acpi0: <LENOVO TP-GJ> on motherboard
acpi_ec0: <Embedded Controller: GPE 0x25, ECDT> port 0x62,0x66 on acpi0
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
Event timer "HPET" frequency 14318180 Hz quality 550
Event timer "HPET1" frequency 14318180 Hz quality 440
Event timer "HPET2" frequency 14318180 Hz quality 440
Event timer "HPET3" frequency 14318180 Hz quality 440
Event timer "HPET4" frequency 14318180 Hz quality 440
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
Event timer "RTC" frequency 32768 Hz quality 0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1808-0x180b on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x3000-0x303f mem 0xe0000000-0xe03fffff,0xc0000000-0xdfffffff irq 16 at device 2.0 on pci0
vgapci0: Boot video device
hdac0: <Intel Haswell HDA Controller> mem 0xe0630000-0xe0633fff irq 16 at device 3.0 on pci0
xhci0: <Intel Panther Point USB 3.0 controller> mem 0xe0620000-0xe062ffff irq 16 at device 20.0 on pci0
xhci0: 32 bytes context size, 64-bit DMA
xhci0: Port routing mask set to 0xffffffff
usbus0 on xhci0
pci0: <simple comms> at device 22.0 (no driver attached)
em0: <Intel(R) PRO/1000 Network Connection 7.6.1-k> port 0x3080-0x309f mem 0xe0600000-0xe061ffff,0xe063e000-0xe063efff irq 20 at device 25.0 on pci0
em0: Using an MSI interrupt
em0: Ethernet address: 28:d2:44:3d:8f:ab
em0: netmap queues/slots: TX 1/1024, RX 1/1024
hdac1: <Intel Lynx Point-LP HDA Controller> mem 0xe0634000-0xe0637fff irq 22 at device 27.0 on pci0
pcib1: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <unknown> at device 0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> irq 18 at device 28.1 on pci0
pci2: <ACPI PCI bus> on pcib2
iwm0: <Intel Dual Band Wireless AC 7260> mem 0xe0400000-0xe0401fff irq 17 at device 0.0 on pci2
ehci0: <Intel Lynx Point LP USB 2.0 controller USB> mem 0xe063d000-0xe063d3ff irq 23 at device 29.0 on pci0
usbus1: EHCI version 1.0
usbus1 on ehci0
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
ahci0: <Intel Lynx Point-LP AHCI SATA controller> port 0x30a8-0x30af,0x30b4-0x30b7,0x30a0-0x30a7,0x30b0-0x30b3,0x3060-0x307f mem 0xe063c000-0xe063c7ff irq 19 at device 31.2 on pci0
ahci0: AHCI v1.30 with 3 6Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz0: _CRT value is absurd, ignored (200.1C)
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
battery0: <ACPI Control Method Battery> on acpi0
battery1: <ACPI Control Method Battery> on acpi0
acpi_acad0: <AC Adapter> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
est2: <Enhanced SpeedStep Frequency Control> on cpu2
est3: <Enhanced SpeedStep Frequency Control> on cpu3
usbus0: 5.0Gbps Super Speed USB v3.0
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
Timecounters tick every 10.000 msec
hdacc0: <Intel Haswell HDA CODEC> at cad 0 on hdac0
hdaa0: <Intel Haswell Audio Function Group> at nid 1 on hdacc0
pcm0: <Intel Haswell (HDMI/DP 8ch)> at nid 3 on hdaa0
hdacc1: <Realtek ALC292 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC292 Audio Function Group> at nid 1 on hdacc1
pcm1: <Realtek ALC292 (Analog 2.0+HP/2.0)> at nid 20,21 and 26 on hdaa1
pcm2: <Realtek ALC292 (Internal Analog Mic)> at nid 18 on hdaa1
usbus1: 480Mbps High Speed USB v2.0
ugen0.1: <0x8086> at usbus0
uhub0: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
iwm0: revision: 0x140, firmware 25.228 (API ver. 9)
ugen1.1: <Intel> at usbus1
uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <HGST HTS725050A7E630 GH2ZB550> ATA8-ACS SATA 3.x device
ada0: Serial Number TF655AY92TDYLL
ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 476940MB (976773168 512 byte sectors)
ada1 at ahcich2 bus 0 scbus1 target 0 lun 0
ada1: <SanDisk SSD U110 16GB U21A001> ACS-2 ATA SATA 3.x device
ada1: Serial Number 134137405175
ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 512bytes)
ada1: Command Queueing enabled
ada1: 15272MB (31277232 512 byte sectors)
SMP: AP CPU #1 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #2 Launched!
Timecounter "TSC-low" frequency 1147371175 Hz quality 1000
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from zfs:zroot/ROOT/default []...
Root mount waiting for: usbus1 usbus0
uhub0: 13 ports with 13 removable, self powered
uhub1: 3 ports with 3 removable, self powered
Root mount waiting for: usbus1 usbus0
usb_alloc_device: set address 2 failed (USB_ERR_TIMEOUT, ignored)
ugen1.2: <vendor 0x8087> at usbus1
uhub2: <vendor 0x8087 product 0x8000, class 9/0, rev 2.00/0.04, addr 2> on usbus1
Root mount waiting for: usbus1 usbus0
uhub2: 8 ports with 8 removable, self powered
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
Root mount waiting for: usbus0
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
Root mount waiting for: usbus0
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
Root mount waiting for: usbus0
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
ugen0.2: <Unknown> at usbus0 (disconnected)
uhub_reattach_port: could not allocate new device
Root mount waiting for: usbus0
ugen0.2: <SunplusIT INC.> at usbus0
wlan0: Ethernet address: 5c:51:4f:87:08:57
iwm0: iwm_update_edca: called
iwm0: iwm_update_edca: called
wlan0: link state changed to UP
lock order reversal:
 1st 0xfffff8000bfaed50 pseudofs (pseudofs) @ /usr/src/sys/kern/vfs_subr.c:2523
 2nd 0xffffffff810cdff0 allproc (allproc) @ /usr/src/sys/kern/kern_proc.c:323
stack backtrace:
#0 0xffffffff806541f0 at witness_debugger+0x70
#1 0xffffffff806540e9 at witness_checkorder+0xe69
#2 0xffffffff805fc303 at _sx_slock+0x73
#3 0xffffffff805da882 at pfind+0x22
#4 0xffffffff8053928d at pfs_lookup+0x49d
#5 0xffffffff80998b3a at VOP_CACHEDLOOKUP_APV+0xda
#6 0xffffffff806a0cf6 at vfs_cache_lookup+0xd6
#7 0xffffffff809989da at VOP_LOOKUP_APV+0xda
#8 0xffffffff806a9a32 at lookup+0x5a2
#9 0xffffffff806a90c4 at namei+0x5b4
#10 0xffffffff806c492b at vn_open_cred+0x25b
#11 0xffffffff806bdd3b at kern_openat+0x25b
#12 0xffffffff8092576b at amd64_syscall+0x2db
#13 0xffffffff80906b5b at Xfast_syscall+0xfb
info: [drm] Initialized drm 1.1.0 20060810
drmn0: <Intel Haswell (ULT GT2 mobile)> on vgapci0
info: [drm] Memory usable by graphics device = 2048M
info: [drm] MTRR allocation failed.  Graphics performance may suffer.
iicbus0: <Philips I2C bus>error: [drm:pid1071:i915_write32] *ERROR* Unknown unclaimed register before writing to c5100
 on iicbb0 addr 0xff
iic0: <I2C generic I/O> on iicbus0
iic1: <I2C generic I/O> on iicbus1
iicbus2: <Philips I2C bus> on iicbb1 addr 0x0
iic2: <I2C generic I/O> on iicbus2
iic3: <I2C generic I/O> on iicbus3
iicbus4: <Philips I2C bus> on iicbb2 addr 0x0
iic4: <I2C generic I/O> on iicbus4
iic5: <I2C generic I/O> on iicbus5
iicbus6: <Philips I2C bus> on iicbb3 addr 0x0
iic6: <I2C generic I/O> on iicbus6
iic7: <I2C generic I/O> on iicbus7
iicbus8: <Philips I2C bus> on iicbb4 addr 0x0
iic8: <I2C generic I/O> on iicbus8
iic9: <I2C generic I/O> on iicbus9
iicbus10: <Philips I2C bus> on iicbb5 addr 0x0
iic10: <I2C generic I/O> on iicbus10
iic11: <I2C generic I/O> on iicbus11
info: [drm] MSI enabled 1 message(s)
info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
info: [drm] Driver supports precise vblank timestamp query.
drmn0: taking over the fictitious range 0xc0000000-0xe0000000
info: [drm] Connector eDP-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.eDP-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.HDMI-A-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector DP-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.DP-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-2: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.HDMI-A-2
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector DP-2: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.DP-2
info: [drm]   - kern.vt.fb.default_mode
info: [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
fbd0 on drmn0
VT: Replacing driver "vga" with new "fb".
info: [drm] Initialized i915 1.6.0 20080730 for drmn0 on minor 0
info: [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
pid 1190 (xfce4-power-manager), uid 1001: exited on signal 11
wlan0: link state changed to DOWN
iwm0: iwm_update_edca: called
iwm0: iwm_update_edca: called
wlan0: ieee80211_new_state_locked: pending AUTH -> ASSOC transition lost
iwm0: iwm_update_edca: called
wlan0: link state changed to UP
panic: bogus refcnt 0 on lle 0xfffff80010911400
cpuid = 3
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0225b57470
vpanic() at vpanic+0x182/frame 0xfffffe0225b574f0
kassert_panic() at kassert_panic+0x126/frame 0xfffffe0225b57560
llentry_free() at llentry_free+0x139/frame 0xfffffe0225b57590
in_lltable_free_entry() at in_lltable_free_entry+0xb1/frame 0xfffffe0225b575c0
htable_prefix_free() at htable_prefix_free+0xce/frame 0xfffffe0225b57620
lltable_prefix_free() at lltable_prefix_free+0x5d/frame 0xfffffe0225b57660
in_scrubprefix() at in_scrubprefix+0x290/frame 0xfffffe0225b57700
in_difaddr_ioctl() at in_difaddr_ioctl+0x285/frame 0xfffffe0225b57750
in_control() at in_control+0x96/frame 0xfffffe0225b577d0
ifioctl() at ifioctl+0xdaa/frame 0xfffffe0225b57860
kern_ioctl() at kern_ioctl+0x246/frame 0xfffffe0225b578c0
sys_ioctl() at sys_ioctl+0x164/frame 0xfffffe0225b579a0
amd64_syscall() at amd64_syscall+0x2db/frame 0xfffffe0225b57ab0
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0225b57ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x800fdd50a, rsp = 0x7fffffffe2a8, rbp = 0x7fffffffe2f0 ---
KDB: enter: panic
Copyright (c) 1992-2016 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-BETA1 #25 r302428: Fri Jul  8 19:19:54 BST 2016
    root@BIL-BSD:/usr/obj/usr/src/sys/BIL_KERNEL amd64
FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM 3.8.0)
WARNING: WITNESS option enabled, expect reduced performance.
VT(vga): resolution 640x480
module_register: cannot register pci/iwm from kernel; already loaded from if_iwm.ko
Module pci/iwm failed to register: 17
CPU: Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz (2294.74-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x40651  Family=0x6  Model=0x45  Stepping=1
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x7fdafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
  AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
  AMD Features2=0x21<LAHF,ABM>
  Structured Extended Features=0x27ab<FSGSBASE,TSCADJ,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,NFPUSG>
  XSAVE Features=0x1<XSAVEOPT>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
  TSC: P-state invariant, performance statistics
real memory  = 8589934592 (8192 MB)
avail memory = 7951175680 (7582 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <LENOVO TP-GJ   >
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 hardware threads
random: unblocking device.
ioapic0 <Version 2.0> irqs 0-39 on motherboard
random: entropy device external interface
kbd1 at kbdmux0
netmap: loaded module
module_register_init: MOD_LOAD (vesa, 0xffffffff80940080, 0) error 19
random: registering fast source Intel Secure Key RNG
random: fast provider: "Intel Secure Key RNG"
vtvga0: <VT VGA driver> on motherboard
cryptosoft0: <software crypto> on motherboard
acpi0: <LENOVO TP-GJ> on motherboard
acpi_ec0: <Embedded Controller: GPE 0x25, ECDT> port 0x62,0x66 on acpi0
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
Event timer "HPET" frequency 14318180 Hz quality 550
Event timer "HPET1" frequency 14318180 Hz quality 440
Event timer "HPET2" frequency 14318180 Hz quality 440
Event timer "HPET3" frequency 14318180 Hz quality 440
Event timer "HPET4" frequency 14318180 Hz quality 440
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
Event timer "RTC" frequency 32768 Hz quality 0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1808-0x180b on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x3000-0x303f mem 0xe0000000-0xe03fffff,0xc0000000-0xdfffffff irq 16 at device 2.0 on pci0
vgapci0: Boot video device
hdac0: <Intel Haswell HDA Controller> mem 0xe0630000-0xe0633fff irq 16 at device 3.0 on pci0
xhci0: <Intel Panther Point USB 3.0 controller> mem 0xe0620000-0xe062ffff irq 16 at device 20.0 on pci0
xhci0: 32 bytes context size, 64-bit DMA
xhci0: Port routing mask set to 0xffffffff
usbus0 on xhci0
pci0: <simple comms> at device 22.0 (no driver attached)
em0: <Intel(R) PRO/1000 Network Connection 7.6.1-k> port 0x3080-0x309f mem 0xe0600000-0xe061ffff,0xe063e000-0xe063efff irq 20 at device 25.0 on pci0
em0: Using an MSI interrupt
em0: Ethernet address: 28:d2:44:3d:8f:ab
em0: netmap queues/slots: TX 1/1024, RX 1/1024
hdac1: <Intel Lynx Point-LP HDA Controller> mem 0xe0634000-0xe0637fff irq 22 at device 27.0 on pci0
pcib1: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <unknown> at device 0.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> irq 18 at device 28.1 on pci0
pci2: <ACPI PCI bus> on pcib2
iwm0: <Intel Dual Band Wireless AC 7260> mem 0xe0400000-0xe0401fff irq 17 at device 0.0 on pci2
ehci0: <Intel Lynx Point LP USB 2.0 controller USB> mem 0xe063d000-0xe063d3ff irq 23 at device 29.0 on pci0
usbus1: EHCI version 1.0
usbus1 on ehci0
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
ahci0: <Intel Lynx Point-LP AHCI SATA controller> port 0x30a8-0x30af,0x30b4-0x30b7,0x30a0-0x30a7,0x30b0-0x30b3,0x3060-0x307f mem 0xe063c000-0xe063c7ff irq 19 at device 31.2 on pci0
ahci0: AHCI v1.30 with 3 6Gbps ports, Port Multiplier not supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz0: _CRT value is absurd, ignored (200.1C)
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
battery0: <ACPI Control Method Battery> on acpi0
battery1: <ACPI Control Method Battery> on acpi0
acpi_acad0: <AC Adapter> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
est2: <Enhanced SpeedStep Frequency Control> on cpu2
est3: <Enhanced SpeedStep Frequency Control> on cpu3
usbus0: 5.0Gbps Super Speed USB v3.0
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
Timecounters tick every 10.000 msec
hdacc0: <Intel Haswell HDA CODEC> at cad 0 on hdac0
hdaa0: <Intel Haswell Audio Function Group> at nid 1 on hdacc0
pcm0: <Intel Haswell (HDMI/DP 8ch)> at nid 3 on hdaa0
hdacc1: <Realtek ALC292 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC292 Audio Function Group> at nid 1 on hdacc1
pcm1: <Realtek ALC292 (Analog 2.0+HP/2.0)> at nid 20,21 and 26 on hdaa1
pcm2: <Realtek ALC292 (Internal Analog Mic)> at nid 18 on hdaa1
usbus1: 480Mbps High Speed USB v2.0
ugen0.1: <0x8086> at usbus0
uhub0: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
iwm0: revision: 0x140, firmware 25.228 (API ver. 9)
ugen1.1: <Intel> at usbus1
uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <HGST HTS725050A7E630 GH2ZB550> ATA8-ACS SATA 3.x device
ada0: Serial Number TF655AY92TDYLL
ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 476940MB (976773168 512 byte sectors)
ada1 at ahcich2 bus 0 scbus1 target 0 lun 0
ada1: <SanDisk SSD U110 16GB U21A001> ACS-2 ATA SATA 3.x device
ada1: Serial Number 134137405175
ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 512bytes)
ada1: Command Queueing enabled
ada1: 15272MB (31277232 512 byte sectors)
SMP: AP CPU #1 Launched!
SMP: AP CPU #2 Launched!
SMP: AP CPU #3 Launched!
Timecounter "TSC-low" frequency 1147367851 Hz quality 1000
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from zfs:zroot/ROOT/default []...
Root mount waiting for: usbus1 usbus0
uhub0: 13 ports with 13 removable, self powered
uhub1: 3 ports with 3 removable, self powered
Root mount waiting for: usbus1 usbus0
usb_alloc_device: set address 2 failed (USB_ERR_TIMEOUT, ignored)
ugen1.2: <vendor 0x8087> at usbus1
uhub2: <vendor 0x8087 product 0x8000, class 9/0, rev 2.00/0.04, addr 2> on usbus1
Root mount waiting for: usbus1 usbus0
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
uhub2: 8 ports with 8 removable, self powered
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
Root mount waiting for: usbus0
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
Root mount waiting for: usbus0
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
Root mount waiting for: usbus0
Root mount waiting for: usbus0
usbd_req_re_enumerate: addr=2, set address failed! (USB_ERR_TIMEOUT, ignored)
usbd_setup_device_desc: getting device descriptor at addr 2 failed, USB_ERR_TIMEOUT
ugen0.2: <Unknown> at usbus0 (disconnected)
uhub_reattach_port: could not allocate new device
Root mount waiting for: usbus0
ugen0.2: <SunplusIT INC.> at usbus0
wlan0: Ethernet address: 5c:51:4f:87:08:57
iwm0: iwm_update_edca: called
iwm0: iwm_update_edca: called
wlan0: link state changed to UP
lock order reversal:
 1st 0xfffff8000bedc240 pseudofs (pseudofs) @ /usr/src/sys/kern/vfs_subr.c:2523
 2nd 0xffffffff810cdff0 allproc (allproc) @ /usr/src/sys/kern/kern_proc.c:323
stack backtrace:
#0 0xffffffff806541f0 at witness_debugger+0x70
#1 0xffffffff806540e9 at witness_checkorder+0xe69
#2 0xffffffff805fc303 at _sx_slock+0x73
#3 0xffffffff805da882 at pfind+0x22
#4 0xffffffff8053928d at pfs_lookup+0x49d
#5 0xffffffff80998b3a at VOP_CACHEDLOOKUP_APV+0xda
#6 0xffffffff806a0cf6 at vfs_cache_lookup+0xd6
#7 0xffffffff809989da at VOP_LOOKUP_APV+0xda
#8 0xffffffff806a9a32 at lookup+0x5a2
#9 0xffffffff806a90c4 at namei+0x5b4
#10 0xffffffff806c492b at vn_open_cred+0x25b
#11 0xffffffff806bdd3b at kern_openat+0x25b
#12 0xffffffff8092576b at amd64_syscall+0x2db
#13 0xffffffff80906b5b at Xfast_syscall+0xfb
info: [drm] Initialized drm 1.1.0 20060810
drmn0: <Intel Haswell (ULT GT2 mobile)> on vgapci0
info: [drm] Memory usable by graphics device = 2048M
info: [drm] MTRR allocation failed.  Graphics performance may suffer.
iicbus0: <Philips I2C bus>error: [drm:pid1076:i915_write32] *ERROR* Unknown unclaimed register before writing to c5100
 on iicbb0 addr 0xff
iic0: <I2C generic I/O> on iicbus0
iic1: <I2C generic I/O> on iicbus1
iicbus2: <Philips I2C bus> on iicbb1 addr 0x0
iic2: <I2C generic I/O> on iicbus2
iic3: <I2C generic I/O> on iicbus3
iicbus4: <Philips I2C bus> on iicbb2 addr 0x0
iic4: <I2C generic I/O> on iicbus4
iic5: <I2C generic I/O> on iicbus5
iicbus6: <Philips I2C bus> on iicbb3 addr 0x0
iic6: <I2C generic I/O> on iicbus6
iic7: <I2C generic I/O> on iicbus7
iicbus8: <Philips I2C bus> on iicbb4 addr 0x0
iic8: <I2C generic I/O> on iicbus8
iic9: <I2C generic I/O> on iicbus9
iicbus10: <Philips I2C bus> on iicbb5 addr 0x0
iic10: <I2C generic I/O> on iicbus10
iic11: <I2C generic I/O> on iicbus11
info: [drm] MSI enabled 1 message(s)
info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
info: [drm] Driver supports precise vblank timestamp query.
drmn0: taking over the fictitious range 0xc0000000-0xe0000000
info: [drm] Connector eDP-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.eDP-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.HDMI-A-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector DP-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.DP-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-2: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.HDMI-A-2
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector DP-2: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.DP-2
info: [drm]   - kern.vt.fb.default_mode
info: [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
fbd0 on drmn0
VT: Replacing driver "vga" with new "fb".
info: [drm] Initialized i915 1.6.0 20080730 for drmn0 on minor 0
info: [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off