Hi, I found this witness log on my computestick but not here.
I was doing little at the time besides using emacs and some vanilla chrome and possibly firefox. Hope it's of use. cheers, Richard. OpenBSD 6.3-current (GENERIC.MP) #10: Mon Jun 11 14:02:36 NZST 2018 procter@dill.internal:/usr/src/sys/arch/amd64/compile/GENERIC.MP (CVS checkout on this date, clean but for a pf patch. NZST is 12 hours ahead of UTC.) lock order reversal: 1st 0xffffff0009fe22f8 vmmaplk (&map->lock) @ /usr/src/sys/uvm/uvm_map.c:4433 2nd 0xffffff00691ec0a0 inode (&ip->i_lock) @ /usr/src/sys/ufs/ufs/ufs_vnops.c:1555 lock order "&ip->i_lock"(rrwlock) -> "&map->lock"(rwlock) first seen at: #0 witness_checkorder+0x4b4 #1 _rw_enter_read+0x49 #2 uvmfault_lookup+0x8d #3 uvm_fault+0x72 #4 trap+0x516 #5 recall_trap+0x8 #6 copyout+0x48 #7 ffs_read+0x1f0 #8 VOP_READ+0x49 #9 vn_read+0xca #10 dofilereadv+0x21c #11 sys_read+0x82 #12 syscall+0x32a #13 Xsyscall_untramp+0xc0 lock order "&map->lock"(rwlock) -> "&ip->i_lock"(rrwlock) first seen at: #0 witness_checkorder+0x4b4 #1 _rw_enter+0x68 #2 _rrw_enter+0x3e #3 VOP_LOCK+0x3d #4 vn_lock+0x34 #5 uvn_io+0x1b8 #6 uvm_pager_put+0x109 #7 uvn_flush+0x424 #8 uvm_map_clean+0x3e7 #9 syscall+0x32a #10 Xsyscall_untramp+0xc0 OpenBSD 6.3-current (GENERIC.MP) #10: Mon Jun 11 14:02:36 NZST 2018 procter@dill.internal:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 2056851456 (1961MB) avail mem = 1963495424 (1872MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 3.0 @ 0x7b37e000 (51 entries) bios0: vendor Intel Corp. version "SCCHTAX5.86A.0024.2016.0408.1041" date 04/08/2016 bios0: Intel Corporation STK1AW32SC acpi0 at bios0: rev 2 acpi0: sleep states S0 S4 S5 acpi0: tables DSDT FACP APIC FPDT FIDT MCFG UEFI SSDT HPET SSDT SSDT SSDT LPIT BCFG PRAM BGRT CSRT WDAT acpi0: wakeup devices acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Atom(TM) x5-Z8300 CPU @ 1.44GHz, 1440.34 MHz cpu0: FPU,VME,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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN cpu0: 1MB 64b/line 16-way L2 cache cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 79MHz cpu0: mwait min=64, max=64, C-substates=0.2.0.0.0.0.3.3, IBE cpu1 at mainbus0: apid 2 (application processor) cpu1: Intel(R) Atom(TM) x5-Z8300 CPU @ 1.44GHz, 1439.95 MHz cpu1: FPU,VME,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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN cpu1: 1MB 64b/line 16-way L2 cache cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 4 (application processor) cpu2: Intel(R) Atom(TM) x5-Z8300 CPU @ 1.44GHz, 1439.96 MHz cpu2: FPU,VME,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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN cpu2: 1MB 64b/line 16-way L2 cache cpu2: smt 0, core 2, package 0 cpu3 at mainbus0: apid 6 (application processor) cpu3: Intel(R) Atom(TM) x5-Z8300 CPU @ 1.44GHz, 1439.96 MHz cpu3: FPU,VME,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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN cpu3: 1MB 64b/line 16-way L2 cache cpu3: smt 0, core 3, package 0 ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 115 pins acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 1 (RP01) acpiprt2 at acpi0: bus -1 (RP02) acpiprt3 at acpi0: bus -1 (RP03) acpiprt4 at acpi0: bus -1 (RP04) acpicpu0 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpicpu1 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpicpu2 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpicpu3 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpipwrres0 at acpi0: ID3C, resource for ISP3 acpipwrres1 at acpi0: WWPR, resource for HS03, MDM1 acpipwrres2 at acpi0: WWPR, resource for HS13, MDM1 acpipwrres3 at acpi0: WWPR, resource for SSC1, MDM3 acpipwrres4 at acpi0: WWPR, resource for SSCW, MDM3 acpipwrres5 at acpi0: WWPR, resource for HSC1, MDM2 acpipwrres6 at acpi0: WWPR, resource for HSC3, MDM4 acpipwrres7 at acpi0: CLK3, resource for RTEK, RTK1 acpipwrres8 at acpi0: CLK4 acpipwrres9 at acpi0: CLK2, resource for NFC2 acpipwrres10 at acpi0: CLK1 acpipwrres11 at acpi0: CLK0 acpipwrres12 at acpi0: CLK1 acpipwrres13 at acpi0: USBC, resource for XHC1, OTG1 acpipwrres14 at acpi0: P28X acpipwrres15 at acpi0: P18X acpipwrres16 at acpi0: P12X acpipwrres17 at acpi0: P28P acpipwrres18 at acpi0: P18P acpipwrres19 at acpi0: P19X acpipwrres20 at acpi0: P06X acpipwrres21 at acpi0: P12A acpipwrres22 at acpi0: P28T acpipwrres23 at acpi0: P18D acpipwrres24 at acpi0: P18T acpipwrres25 at acpi0: P3P3 acpipwrres26 at acpi0: P12T acpipwrres27 at acpi0: P28W acpipwrres28 at acpi0: P18W acpipwrres29 at acpi0: P12W acpipwrres30 at acpi0: P33W acpipwrres31 at acpi0: P33X acpipwrres32 at acpi0: P4BW acpitz0 at acpi0: critical temperature is 90 degC "INT33A4" at acpi0 not configured dwiic0 at acpi0: I2C7 addr 0x91520000/0x1000 irq 38 iic0 at dwiic0 "INT33BD" at acpi0 not configured chvgpio0 at acpi0: GPO1 uid 2 addr 0xfed88000/0x8000 irq 48, 59 pins "INT33F4" at iic0 addr 0x34 not configured sdhc0 at acpi0: SDHA addr 0x9152a000/0x1000 irq 45 sdhc0: SDHC 3.0, 200 MHz base clock sdmmc0 at sdhc0: 8-bit, sd high-speed, mmc high-speed, dma "INTL9C60" at acpi0 not configured "INTL9C60" at acpi0 not configured "8086228E" at acpi0 not configured "8086228E" at acpi0 not configured "8086228E" at acpi0 not configured dwiic1 at acpi0: I2C2 addr 0x91526000/0x1000 irq 33 iic1 at dwiic1 dwiic2 at acpi0: I2C5 addr 0x91524000/0x1000 irq 36 iic2 at dwiic2 dwiic3 at acpi0: I2C6 addr 0x91522000/0x1000 irq 37 iic3 at dwiic3 "808622A8" at acpi0 not configured acpicmos0 at acpi0 acpibtn0 at acpi0: PWRB chvgpio1 at acpi0: GPO0 uid 1 addr 0xfed80000/0x8000 irq 49, 56 pins chvgpio2 at acpi0: GPO2 uid 3 addr 0xfed90000/0x8000 irq 50, 24 pins chvgpio3 at acpi0: GPO3 uid 4 addr 0xfed98000/0x8000 irq 91, 55 pins chvgpio4 at acpi0: GPO4 uid 5 "ACPI0011" at acpi0 not configured "ACPI000C" at acpi0 not configured acpivideo0 at acpi0: GFX0 acpivout0 at acpivideo0: DD01 acpivout at acpivideo0 not configured acpivout at acpivideo0 not configured acpivout at acpivideo0 not configured acpivout at acpivideo0 not configured acpivout at acpivideo0 not configured acpivout at acpivideo0 not configured acpivout at acpivideo0 not configured cpu0: Enhanced SpeedStep 1440 MHz: speeds: 1441, 1440, 1360, 1280, 1200, 1120, 1040, 960, 880, 800, 720, 640, 560, 480 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel Braswell Host" rev 0x22 inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics" rev 0x22 drm0 at inteldrm0 inteldrm0: msi inteldrm0: 1920x1080, 32bpp wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation) wsdisplay0: screen 1-5 added (std, vt100 emulation) xhci0 at pci0 dev 20 function 0 "Intel Braswell xHCI" rev 0x22: msi, xHCI 1.0 usb0 at xhci0: USB revision 3.0 uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 addr 1 "Intel Braswell TXE" rev 0x22 at pci0 dev 26 function 0 not configured ppb0 at pci0 dev 28 function 0 "Intel Braswell PCIE" rev 0x22: msi pci1 at ppb0 bus 1 iwm0 at pci1 dev 0 function 0 "Intel Dual Band Wireless AC 7265" rev 0x69, msi pcib0 at pci0 dev 31 function 0 "Intel Braswell PCU LPC" rev 0x22 isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com1 at isa0 port 0x2f8/8 irq 3: ns8250, no fifo com2 at isa0 port 0x3e8/8 irq 5: ns8250, no fifo pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 vmm0 at mainbus0: VMX/EPT efifb at mainbus0 not configured scsibus1 at sdmmc0: 2 targets, initiator 0 sd0 at scsibus1 targ 1 lun 0: <Sandisk, DF4032, 0000> SCSI2 0/direct removable sd0: 29820MB, 512 bytes/sector, 61071360 sectors uhidev0 at uhub0 port 2 configuration 1 interface 0 "Logitech USB Keyboard" rev 1.10/64.00 addr 2 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub0 port 2 configuration 1 interface 1 "Logitech USB Keyboard" rev 1.10/64.00 addr 2 uhidev1: iclass 3/0, 3 report ids uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0 uhid1 at uhidev1 reportid 2: input=1, output=0, feature=0 uhid2 at uhidev1 reportid 3: input=3, output=0, feature=0 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd0a (e1a6f3597e754f44.a) swap on sd0b dump on sd0b WARNING: / was not properly unmounted iwm0: hw rev 0x210, fw ver 16.242414.0, address xx:xx:xx:xx:xx:xx wskbd1: disconnecting from wsdisplay0 wskbd1 detached ukbd0 detached uhidev0 detached uhid0 detached uhid1 detached uhid2 detached uhidev1 detached uhidev0 at uhub0 port 2 configuration 1 interface 0 "Logitech USB Keyboard" rev 1.10/64.00 addr 2 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub0 port 2 configuration 1 interface 1 "Logitech USB Keyboard" rev 1.10/64.00 addr 2 uhidev1: iclass 3/0, 3 report ids uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0 uhid1 at uhidev1 reportid 2: input=1, output=0, feature=0 uhid2 at uhidev1 reportid 3: input=3, output=0, feature=0 uhidev2 at uhub0 port 1 configuration 1 interface 0 "Logitech USB Optical Mouse" rev 2.00/72.00 addr 3 uhidev2: iclass 3/1 ums0 at uhidev2: 3 buttons, Z dir wsmouse0 at ums0 mux 0 wsmouse0 detached ums0 detached uhidev2 detached uhidev2 at uhub0 port 1 configuration 1 interface 0 "Logitech USB Optical Mouse" rev 2.00/72.00 addr 3 uhidev2: iclass 3/1 ums0 at uhidev2: 3 buttons, Z dir wsmouse0 at ums0 mux 0 pckbc: command timeout wsmouse0 detached ums0 detached uhidev2 detached pckbc: command timeout pckbc: command timeout uhidev2 at uhub0 port 1 configuration 1 interface 0 "Logitech USB Optical Mouse" rev 2.00/72.00 addr 3 uhidev2: iclass 3/1 ums0 at uhidev2: 3 buttons, Z dir wsmouse0 at ums0 mux 0