My workstation consists of a X230 with docking station featuring two
DisplayPort as well as two DVI-D connectors.  I used to use one external
monitor over DVI-D with a resolution of 2560x1440 next to the internal
1366x768 LVDS monitor just fine;  while docked, suspend and resume works
and X keeps its screen configured without problems.

Now I set up an new external 3840x2160 (UHD) monitor to be used alone
with the internal one being turned off while docked.  This in itself
works:  due to hardware limitations, 4K over a single link is not
possible, so the external monitor exports two logical monitors of
1920x2160 each which eventually plug into both DisplayPort connectors.

With xrandr(1) all expected modelines appear and I can configure the
setup:

        xrandr --output LVDS-1 --off \
            --output DP-2 --mode 1920x2160 --pos 1920x0 --rotate normal \
            --output DP-3 --mode 1920x2160 --pos 0x0 --rotate normal

The problem that now occurs is that whenever I suspend to RAM and resume,
xenodm will simply restart.  On the internal monitor which was turned
off, TTY output is observed immediately upon resume until the xenodm
login prompt appears on it - both external monitors stay blank.

Nothing in /var/log/messages or /var/log/daemon appears, xrandr still
seems to be at the same state, although physical output obviously changed.
In order to fix it, I have to undock the machine and redock again
followed by `rcctl restart xenodm' to reset X.  After that above setup
can be restored.

While running, I can undock and redock the notebook but in most cases
only one of the external screens reappears automatically.
`xrandr --auto' restores the setup.  Sometimes neither of the external
monitors reappears and I have to redock yet again to get them back.
This does not seem deterministic, but other than that the setup
continues to work seemlessly.


I'm running the latest snapshots as usual without any X or xenodm
configurations or customizations;  output of xrandr when using the two
external monitors DP-2 and DP-3 with the internal one LVDS-1 turned off
as well as dmesg follows.

Anything else I can provide or test?
Does anyone else have a similiar setup or failure scenario?


Screen 0: minimum 320 x 200, current 3840 x 2160, maximum 8192 x 8192
LVDS-1 connected primary (normal left inverted right x axis y axis)
   1366x768      60.10 +
   1280x720      60.00    59.99    59.86    59.74  
   1024x768      60.04    60.00  
   960x720       60.00  
   928x696       60.05  
   896x672       60.01  
   1024x576      59.95    59.96    59.90    59.82  
   960x600       59.93    60.00  
   960x540       59.96    59.99    59.63    59.82  
   800x600       60.00    60.32    56.25  
   840x525       60.01    59.88  
   864x486       59.92    59.57  
   700x525       59.98  
   800x450       59.95    59.82  
   640x512       60.02  
   700x450       59.96    59.88  
   640x480       60.00    59.94  
   720x405       59.51    58.99  
   684x384       59.88    59.85  
   640x400       59.88    59.98  
   640x360       59.86    59.83    59.84    59.32  
   512x384       60.00  
   512x288       60.00    59.92  
   480x270       59.63    59.82  
   400x300       60.32    56.34  
   432x243       59.92    59.57  
   320x240       60.05  
   360x202       59.51    59.13  
   320x180       59.84    59.32  
VGA-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
HDMI-3 disconnected (normal left inverted right x axis y axis)
DP-2 connected 1920x2160+1920+0 (normal left inverted right x axis y axis) 
600mm x 340mm
   1920x2160     59.99*+
   1920x1080     60.00    60.00    59.94  
   1600x900      60.00  
   1280x1024     60.02  
   1280x800      59.91  
   1152x864      59.97  
   1280x720      60.00    60.00    59.94  
   1024x768      60.00  
   800x600       60.32  
   720x480       60.00    59.94  
   640x480       60.00    59.94    59.94  
DP-3 connected 1920x2160+0+0 (normal left inverted right x axis y axis) 600mm x 
340mm
   1920x2160     59.99*+
   1920x1080     60.00    60.00    59.94  
   1600x900      60.00  
   1280x1024     60.02  
   1280x800      59.91  
   1152x864      59.97  
   1280x720      60.00    60.00    59.94  
   1024x768      60.00  
   800x600       60.32  
   720x480       60.00    59.94  
   640x480       60.00    59.94    59.94  

OpenBSD 6.6-current (GENERIC.MP) #424: Fri Nov  1 14:12:12 MDT 2019
    [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 17118146560 (16325MB)
avail mem = 16586649600 (15818MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xbff35020 (10 entries)
bios0: vendor coreboot version "CBET4000 4.8-1780-gc366f90a2e-dirty" date 
10/12/2018
bios0: LENOVO 2325A95
acpi0 at bios0: ACPI 4.0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SSDT MCFG TCPA APIC DMAR HPET
acpi0: wakeup devices HDEF(S4) EHC1(S4) EHC2(S4) XHC_(S4) SLPB(S3) LID_(S3)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimcfg0 at acpi0
acpimcfg0: addr 0xf0000000, bus 0-63
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz, 2594.50 MHz, 06-3a-09
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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu0: 256KB 64b/line 8-way L2 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
cpu0: apic clock running at 99MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.1.2, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz, 2594.11 MHz, 06-3a-09
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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 1, core 0, package 0
cpu2 at mainbus0: apid 2 (application processor)
cpu2: Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz, 2594.12 MHz, 06-3a-09
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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 0, core 1, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz, 2594.11 MHz, 06-3a-09
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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,FSGSBASE,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 1, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (RP01)
acpiprt2 at acpi0: bus 2 (RP02)
acpiprt3 at acpi0: bus 3 (RP03)
acpiprt4 at acpi0: bus -1 (RP04)
acpiprt5 at acpi0: bus -1 (RP05)
acpiprt6 at acpi0: bus -1 (RP06)
acpiprt7 at acpi0: bus -1 (RP07)
acpiprt8 at acpi0: bus -1 (RP08)
acpiec0 at acpi0
acpicpu0 at acpi0: C3(200@90 mwait.1@0x30), C2(500@63 mwait.1@0x10), C1(1000@1 
mwait.1), PSS
acpicpu1 at acpi0: C3(200@90 mwait.1@0x30), C2(500@63 mwait.1@0x10), C1(1000@1 
mwait.1), PSS
acpicpu2 at acpi0: C3(200@90 mwait.1@0x30), C2(500@63 mwait.1@0x10), C1(1000@1 
mwait.1), PSS
acpicpu3 at acpi0: C3(200@90 mwait.1@0x30), C2(500@63 mwait.1@0x10), C1(1000@1 
mwait.1), PSS
acpitz0 at acpi0: critical temperature is 100 degC
acpipwrres0 at acpi0: FPWR, resource for FAN_
acpitz1 at acpi0: critical temperature is 99 degC
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpiac0 at acpi0: AC unit offline
acpibat0 at acpi0: BAT0 model "45N1175" serial 11496 type LION oem "SANYO"
acpibat1 at acpi0: BAT1 not present
acpibtn0 at acpi0: SLPB
acpibtn1 at acpi0: LID_
acpithinkpad0 at acpi0: version 1.0
acpicmos0 at acpi0
tpm0 at acpi0: TPM_ addr 0xfed40000/0x5000, device 0x0000104a rev 0x4e
"PNP0C0B" at acpi0 not configured
"BOOT0000" at acpi0 not configured
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: LCD0
cpu0: using VERW MDS workaround (except on vmm entry)
cpu0: Enhanced SpeedStep 2594 MHz: speeds: 2601, 2600, 2400, 2200, 2000, 1800, 
1600, 1400, 1200 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 3G Host" rev 0x09
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 4000" rev 0x09
drm0 at inteldrm0
inteldrm0: msi
"Intel Core 3G Thermal" rev 0x09 at pci0 dev 4 function 0 not configured
xhci0 at pci0 dev 20 function 0 "Intel 7 Series xHCI" rev 0x04: 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 7 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address 
3c:97:0e:6e:e9:1b
ehci0 at pci0 dev 26 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 21
usb1 at ehci0: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi
azalia0: codecs: Realtek ALC269, Intel/0x2806, using Realtek ALC269
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 7 Series PCIE" rev 0xc4
pci1 at ppb0 bus 1
sdhc0 at pci1 dev 0 function 0 "Ricoh 5U823 SD/MMC" rev 0x04: apic 2 int 16
sdhc0: SDHC 3.0, 50 MHz base clock
sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma
ppb1 at pci0 dev 28 function 1 "Intel 7 Series PCIE" rev 0xc4
pci2 at ppb1 bus 2
athn0 at pci2 dev 0 function 0 "Atheros AR9281" rev 0x01: apic 2 int 17
athn0: AR9280 rev 2 (2T2R), ROM rev 22, address 04:f0:21:30:37:de
ppb2 at pci0 dev 28 function 2 "Intel 7 Series PCIE" rev 0xc4: msi
pci3 at ppb2 bus 3
ehci1 at pci0 dev 29 function 0 "Intel 7 Series USB" rev 0x04: apic 2 int 19
usb2 at ehci1: USB revision 2.0
uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
pcib0 at pci0 dev 31 function 0 "Intel QM77 LPC" rev 0x04
ahci0 at pci0 dev 31 function 2 "Intel 7 Series AHCI" rev 0x04: msi, AHCI 1.3
ahci0: port 0: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, Samsung SSD 850, EMT0> naa.5002538d410a7bce
sd0: 238475MB, 512 bytes/sector, 488397168 sectors, thin
ichiic0 at pci0 dev 31 function 3 "Intel 7 Series SMBus" rev 0x04: apic 2 int 23
iic0 at ichiic0
iic0: addr 0x24 03=04 09=47 0a=48 0b=14 0c=07 0d=02 0e=11 0f=19 words 00=00ff 
01=00ff 02=00ff 03=04ff 04=00ff 05=00ff 06=00ff 07=00ff
spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
spdmem1 at iic0 addr 0x51: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
"Intel 7 Series Thermal" rev 0x04 at pci0 dev 31 function 6 not configured
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
wsmouse1 at pms0 mux 0
pms0: Synaptics clickpad, firmware 8.1, 0x1e2b1 0x940300
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT
sdmmc0: can't enable card
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
sd1 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
sd1: 238472MB, 512 bytes/sector, 488391473 sectors
root on sd1a (b712848db54bdd1d.a) swap on sd1b dump on sd1b
inteldrm0: 1366x768, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
uhub5 at uhub4 port 8 configuration 1 interface 0 "Lenovo product 0x100a" rev 
2.00/0.00 addr 3
uhidev0 at uhub5 port 2 configuration 1 interface 0 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev0: iclass 3/1
ums0 at uhidev0: 16 buttons, Z and W dir
wsmouse2 at ums0 mux 0
uhidev1 at uhub5 port 2 configuration 1 interface 1 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev1: iclass 3/0, 17 report ids
ukbd0 at uhidev1 reportid 1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhid0 at uhidev1 reportid 3: input=4, output=0, feature=0
uhid1 at uhidev1 reportid 4: input=1, output=0, feature=0
uhid2 at uhidev1 reportid 16: input=6, output=6, feature=0
uhid3 at uhidev1 reportid 17: input=19, output=19, feature=0
wsmouse2 detached
ums0 detached
uhidev0 detached
wskbd1: disconnecting from wsdisplay0
wskbd1 detached
ukbd0 detached
uhid0 detached
uhid1 detached
uhid2 detached
uhid3 detached
uhidev1 detached
uhub5 detached
uhub0 detached
uhub3 detached
uhub1 detached
uhub4 detached
uhub2 detached
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 
addr 1
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
sdmmc0: can't enable card
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhub0 detached
uhub3 detached
uhub1 detached
uhub4 detached
uhub2 detached
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 
addr 1
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
sdmmc0: can't enable card
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhub5 at uhub4 port 8 configuration 1 interface 0 "Lenovo product 0x100a" rev 
2.00/0.00 addr 3
uhidev0 at uhub5 port 2 configuration 1 interface 0 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev0: iclass 3/1
ums0 at uhidev0: 16 buttons, Z and W dir
wsmouse2 at ums0 mux 0
uhidev1 at uhub5 port 2 configuration 1 interface 1 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev1: iclass 3/0, 17 report ids
ukbd0 at uhidev1 reportid 1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhid0 at uhidev1 reportid 3: input=4, output=0, feature=0
uhid1 at uhidev1 reportid 4: input=1, output=0, feature=0
uhid2 at uhidev1 reportid 16: input=6, output=6, feature=0
uhid3 at uhidev1 reportid 17: input=19, output=19, feature=0
uhub0 detached
uhub3 detached
uhub1 detached
wsmouse2 detached
ums0 detached
uhidev0 detached
wskbd1: disconnecting from wsdisplay0
wskbd1 detached
ukbd0 detached
uhid0 detached
uhid1 detached
uhid2 detached
uhid3 detached
uhidev1 detached
uhub5 detached
uhub4 detached
uhub2 detached
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 
addr 1
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
sdmmc0: can't enable card
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhub5 at uhub4 port 8 configuration 1 interface 0 "Lenovo product 0x100a" rev 
2.00/0.00 addr 3
uhidev0 at uhub5 port 2 configuration 1 interface 0 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev0: iclass 3/1
ums0 at uhidev0: 16 buttons, Z and W dir
wsmouse2 at ums0 mux 0
uhidev1 at uhub5 port 2 configuration 1 interface 1 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev1: iclass 3/0, 17 report ids
ukbd0 at uhidev1 reportid 1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhid0 at uhidev1 reportid 3: input=4, output=0, feature=0
uhid1 at uhidev1 reportid 4: input=1, output=0, feature=0
uhid2 at uhidev1 reportid 16: input=6, output=6, feature=0
uhid3 at uhidev1 reportid 17: input=19, output=19, feature=0
wsmouse2 detached
ums0 detached
uhidev0 detached
wskbd1: disconnecting from wsdisplay0
wskbd1 detached
ukbd0 detached
uhid0 detached
uhid1 detached
uhid2 detached
uhid3 detached
uhidev1 detached
uhub5 detached
uhub5 at uhub4 port 8 configuration 1 interface 0 "Lenovo product 0x100a" rev 
2.00/0.00 addr 3
uhidev0 at uhub5 port 2 configuration 1 interface 0 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev0: iclass 3/1
ums0 at uhidev0: 16 buttons, Z and W dir
wsmouse2 at ums0 mux 0
uhidev1 at uhub5 port 2 configuration 1 interface 1 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev1: iclass 3/0, 17 report ids
ukbd0 at uhidev1 reportid 1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhid0 at uhidev1 reportid 3: input=4, output=0, feature=0
uhid1 at uhidev1 reportid 4: input=1, output=0, feature=0
uhid2 at uhidev1 reportid 16: input=6, output=6, feature=0
uhid3 at uhidev1 reportid 17: input=19, output=19, feature=0
wsmouse2 detached
ums0 detached
uhidev0 detached
wskbd1: disconnecting from wsdisplay0
wskbd1 detached
ukbd0 detached
uhid0 detached
uhid1 detached
uhid2 detached
uhid3 detached
uhidev1 detached
uhub5 detached
[drm] *ERROR* failed to enable link training
[drm] *ERROR* failed to enable link training
uhub5 at uhub4 port 8 configuration 1 interface 0 "Lenovo product 0x100a" rev 
2.00/0.00 addr 3
uhidev0 at uhub5 port 2 configuration 1 interface 0 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev0: iclass 3/1
ums0 at uhidev0: 16 buttons, Z and W dir
wsmouse2 at ums0 mux 0
uhidev1 at uhub5 port 2 configuration 1 interface 1 "Logitech USB Receiver" rev 
2.00/21.00 addr 4
uhidev1: iclass 3/0, 17 report ids
ukbd0 at uhidev1 reportid 1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhid0 at uhidev1 reportid 3: input=4, output=0, feature=0
uhid1 at uhidev1 reportid 4: input=1, output=0, feature=0
uhid2 at uhidev1 reportid 16: input=6, output=6, feature=0
uhid3 at uhidev1 reportid 17: input=19, output=19, feature=0
uhidev2 at uhub0 port 2 configuration 1 interface 0 "Kinesis Advantage2 
Keyboard" rev 2.00/1.00 addr 2
uhidev2: iclass 3/1
ums1 at uhidev2: 3 buttons, Z dir
wsmouse3 at ums1 mux 0
uhidev3 at uhub0 port 2 configuration 1 interface 1 "Kinesis Advantage2 
Keyboard" rev 2.00/1.00 addr 2
uhidev3: iclass 3/1
ukbd1 at uhidev3: 8 variable keys, 6 key codes
wskbd2 at ukbd1 mux 1
wskbd2: connecting to wsdisplay0
uhidev4 at uhub0 port 2 configuration 1 interface 2 "Kinesis Advantage2 
Keyboard" rev 2.00/1.00 addr 2
uhidev4: iclass 3/0, 2 report ids
uhid4 at uhidev4 reportid 1: input=1, output=0, feature=0
uhid5 at uhidev4 reportid 2: input=1, output=0, feature=0

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