I tried my old docking station, the Thinkpad Ultra Dock Type 40A2 and
got the same result with it. The screen is mirrored on both external
monitors. `xrandr` shows both external monitors as one.
The CPU can handle three monitors (two external and one internal). I was
able to verify this with a Linux live USB drive.
On Fri, Aug 19, 2022 at 03:12:58PM +0200, Julian Huhn wrote:
>Moin!
>
>I want to connect two Thinkvision monitors (HDMI and DP) to my X270
>via a Thinkpad Thunderbolt 3 Dock Gen 2 (USB-C) and extend the screen
>over now all three monitors (X270 + Thinkvision + Thinkvision).
>Unfortunately, `xrandr` only shows one external monitor and if i run
>`xrandr --output DP-1 --auto --output eDP-1 --auto --right-of DP-1`
>then both external Thinkvision monitors show the same screen.
>
>What can i do so that OpenBSD will recognize both external monitors
>separately? Is there some limitation on Thunderbolt/USB-C with OpenBSD
>i didn't see?
>
>x270$ xrandr
>Screen 0: minimum 320 x 200, current 3926 x 1440, maximum 16384 x 16384
>eDP-1 connected primary 1366x768+0+0 (normal left inverted right x
>axis y axis) 277mm x 156mm
> 1366x768 60.00*+ 48.00
> 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
>DP-1 connected 2560x1440+1366+0 (normal left inverted right x axis y
>axis) 527mm x 296mm
> 2560x1440 59.95*+ 74.78
> 1920x1200 59.95
> 1920x1080 60.00 50.00
> 1680x1050 59.88
> 1280x1024 75.02 60.02
> 1440x900 59.90
> 1152x864 75.00
> 1280x720 60.00 50.00 59.94
> 1024x768 75.03 70.07 60.00
> 800x600 72.19 75.00 60.32
> 720x576 50.00
> 720x480 60.00 59.94
> 640x480 75.00 72.81 66.67 60.00 59.94
> 720x400 70.08
>HDMI-1 disconnected (normal left inverted right x axis y axis)
>DP-2 disconnected (normal left inverted right x axis y axis)
>HDMI-2 disconnected (normal left inverted right x axis y axis)
>
>x270$ dmesg
>OpenBSD 7.2-beta (GENERIC.MP) #693: Mon Aug 15 23:59:09 MDT 2022
>deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>real mem = 8442761216 (8051MB)
>avail mem = 8169517056 (7791MB)
>random: good seed from bootblocks
>mpath0 at root
>scsibus0 at mpath0: 256 targets
>mainbus0 at root
>bios0 at mainbus0: SMBIOS rev. 3.0 @ 0xca6a0000 (61 entries)
>bios0: vendor LENOVO version "R0IET58W (1.36 )" date 04/19/2019
>bios0: LENOVO 20K5S09M00
>acpi0 at bios0: ACPI 5.0
>acpi0: sleep states S0 S3 S4 S5
>acpi0: tables DSDT FACP TCPA SSDT UEFI SSDT SSDT HPET APIC MCFG ECDT
>SSDT SSDT BOOT BATB SLIC SSDT SSDT SSDT WSMT SSDT SSDT DBGP DBG2 MSDM
>ASF! FPDT UEFI
>acpi0: wakeup devices GLAN(S4) XHC_(S3) XDCI(S4) HDAS(S4) RP01(S4)
>RP02(S4) RP04(S4) RP05(S4) RP06(S4) RP07(S4) RP08(S4) RP09(S4)
>RP10(S4) RP11(S4) RP12(S4) RP13(S4) [...]
>acpitimer0 at acpi0: 3579545 Hz, 24 bits
>acpihpet0 at acpi0: 23999999 Hz
>acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
>cpu0 at mainbus0: apid 0 (boot processor)
>cpu0: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2294.66 MHz, 06-4e-03
>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,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
>cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB
>64b/line 4-way L2 cache, 3MB 64b/line 12-way L3 cache
>cpu0: smt 0, core 0, package 0
>mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
>cpu0: apic clock running at 24MHz
>cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE
>cpu1 at mainbus0: apid 2 (application processor)
>cpu1: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 2294.66 MHz, 06-4e-03
>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,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
>cpu1: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB
>64b/line 4-way L2 cache, 3MB 64b/line 12-way L3 cache
>cpu1: smt 0, core 1, package 0
>ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
>acpimcfg0 at acpi0
>acpimcfg0: addr 0xf0000000, bus 0-63
>acpiec0 at acpi0
>acpiprt0 at acpi0: bus 0 (PCI0)
>acpiprt1 at acpi0: bus 2 (RP01)
>acpiprt2 at acpi0: bus -1 (RP02)
>acpiprt3 at acpi0: bus 3 (RP03)
>acpiprt4 at acpi0: bus -1 (RP04)
>acpiprt5 at acpi0: bus 4 (RP05)
>acpiprt6 at acpi0: bus -1 (RP06)
>acpiprt7 at acpi0: bus -1 (RP07)
>acpiprt8 at acpi0: bus -1 (RP08)
>acpiprt9 at acpi0: bus -1 (RP09)
>acpiprt10 at acpi0: bus -1 (RP10)
>acpiprt11 at acpi0: bus -1 (RP11)
>acpiprt12 at acpi0: bus -1 (RP12)
>acpiprt13 at acpi0: bus -1 (RP13)
>acpiprt14 at acpi0: bus -1 (RP14)
>acpiprt15 at acpi0: bus -1 (RP15)
>acpiprt16 at acpi0: bus -1 (RP16)
>acpiprt17 at acpi0: bus -1 (RP17)
>acpiprt18 at acpi0: bus -1 (RP18)
>acpiprt19 at acpi0: bus -1 (RP19)
>acpiprt20 at acpi0: bus -1 (RP20)
>acpiprt21 at acpi0: bus -1 (RP21)
>acpiprt22 at acpi0: bus -1 (RP22)
>acpiprt23 at acpi0: bus -1 (RP23)
>acpiprt24 at acpi0: bus -1 (RP24)
>acpipci0 at acpi0 PCI0: 0x00000010 0x00000011 0x00000000
>"LEN0268" at acpi0 not configured
>acpiac0 at acpi0: AC unit online
>acpibat0 at acpi0: BAT0 model "01AV459" serial 1126 type LiP oem "SMP"
>acpibat1 at acpi0: BAT1 model "45N1775" serial 7759 type LION oem
>"SANYO"
>acpicmos0 at acpi0
>"INT3515" at acpi0 not configured
>acpibtn0 at acpi0: SLPB
>"PNP0C14" at acpi0 not configured
>acpibtn1 at acpi0: LID_
>"PNP0C14" at acpi0 not configured
>"PNP0C14" at acpi0 not configured
>"PNP0C14" at acpi0 not configured
>tpm0 at acpi0 TPM_ 1.2 (TIS) addr 0xfed40000/0x5000, device 0x0000104a
>rev 0x4e
>acpicpu0 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151
>mwait.1@0x33), C1(1000@1 mwait.1), PSS
>acpicpu1 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151
>mwait.1@0x33), C1(1000@1 mwait.1), PSS
>acpipwrres0 at acpi0: PUBS, resource for XHC_
>acpipwrres1 at acpi0: WRST
>acpipwrres2 at acpi0: WRST
>acpitz0 at acpi0: critical temperature is 128 degC
>acpivideo0 at acpi0: GFX0
>acpivout0 at acpivideo0: DD1F
>cpu0: using VERW MDS workaround (except on vmm entry)
>cpu0: Enhanced SpeedStep 2294 MHz: speeds: 2401, 2400, 2300, 2200,
>2000, 1900, 1700, 1600, 1400, 1300, 1100, 1000, 800, 700, 500, 400 MHz
>pci0 at mainbus0 bus 0
>pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x08
>inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 520" rev 0x07
>drm0 at inteldrm0
>inteldrm0: msi, SKYLAKE, gen 9
>xhci0 at pci0 dev 20 function 0 "Intel 100 Series xHCI" rev 0x21: 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
>pchtemp0 at pci0 dev 20 function 2 "Intel 100 Series Thermal" rev 0x21
>dwiic0 at pci0 dev 21 function 0 "Intel 100 Series I2C" rev 0x21: apic
>2 int 16
>iic0 at dwiic0
>dwiic1 at pci0 dev 21 function 1 "Intel 100 Series I2C" rev 0x21: apic
>2 int 17
>iic1 at dwiic1
>"INT3515" at iic1 addr 0x38 not configured
>"Intel 100 Series MEI" rev 0x21 at pci0 dev 22 function 0 not configured
>ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi
>pci1 at ppb0 bus 2
>rtsx0 at pci1 dev 0 function 0 "Realtek RTS522A Card Reader" rev 0x01:
>msi
>sdmmc0 at rtsx0: 4-bit, dma
>ppb1 at pci0 dev 28 function 2 "Intel 100 Series PCIE" rev 0xf1: msi
>pci2 at ppb1 bus 3
>iwm0 at pci2 dev 0 function 0 "Intel AC 8260" rev 0x3a, msi
>ppb2 at pci0 dev 28 function 4 "Intel 100 Series PCIE" rev 0xf1: msi
>pci3 at ppb2 bus 4
>nvme0 at pci3 dev 0 function 0 "Samsung SM961/PM961 NVMe" rev 0x00:
>msix, NVMe 1.2
>nvme0: SAMSUNG MZVLW256HEHP-000L7, firmware 4L7QCXB7, serial
>S35ENA1K262637
>scsibus1 at nvme0: 2 targets, initiator 0
>sd0 at scsibus1 targ 1 lun 0: <NVMe, SAMSUNG MZVLW256, 4L7Q>
>sd0: 244198MB, 512 bytes/sector, 500118192 sectors
>pcib0 at pci0 dev 31 function 0 "Intel 100 Series LPC" rev 0x21
>"Intel 100 Series PMC" rev 0x21 at pci0 dev 31 function 2 not configured
>azalia0 at pci0 dev 31 function 3 "Intel 100 Series HD Audio" rev
>0x21: msi
>azalia0: codecs: Realtek ALC298, Intel/0x2809, using Realtek ALC298
>audio0 at azalia0
>ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x21:
>apic 2 int 16
>iic2 at ichiic0
>em0 at pci0 dev 31 function 6 "Intel I219-LM" rev 0x21: msi, address
>54:e1:ad:ba:f3:b7
>isa0 at pcib0
>isadma0 at isa0
>com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
>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 8.2, 0x1e2b1 0x943300 0x330340
>0xf407a3 0x12e800
>pcppi0 at isa0 port 0x61
>spkr0 at pcppi0
>efifb at mainbus0 not configured
>uhub1 at uhub0 port 2 configuration 1 interface 0 "VIA Labs, Inc.
>USB2.0 Hub" rev 2.10/51.63 addr 2
>uhub2 at uhub1 port 1 configuration 1 interface 0 "VIA Labs, Inc.
>USB2.0 Hub" rev 2.10/51.33 addr 3
>uhub3 at uhub2 port 1 configuration 1 interface 0 "Lenovo USB2.0 HUB"
>rev 2.00/61.60 addr 4
>uaudio0 at uhub3 port 2 configuration 1 interface 1 "Lenovo ThinkPad
>Thunderbolt 3 Dock USB Audio" rev 2.01/0.92 addr 5
>uaudio0: class v1, full-speed, sync, channels: 2 play, 1 rec, 4 ctls
>audio1 at uaudio0
>uhidev0 at uhub3 port 2 configuration 1 interface 3 "Lenovo ThinkPad
>Thunderbolt 3 Dock USB Audio" rev 2.01/0.92 addr 5
>uhidev0: iclass 3/0, 16 report ids
>ucc0 at uhidev0 reportid 1: 6 usages, 3 keys, enum
>wskbd1 at ucc0 mux 1
>uhid0 at uhidev0 reportid 2: input=2, output=0, feature=0
>uhid1 at uhidev0 reportid 3: input=0, output=2, feature=0
>uhid2 at uhidev0 reportid 4: input=0, output=38, feature=0
>uhid3 at uhidev0 reportid 5: input=34, output=0, feature=0
>uhid4 at uhidev0 reportid 6: input=0, output=36, feature=0
>uhid5 at uhidev0 reportid 7: input=32, output=0, feature=0
>uhid6 at uhidev0 reportid 16: input=2, output=0, feature=0
>uhidev1 at uhub2 port 4 configuration 1 interface 0 "Keychron Keychron
>K2" rev 2.00/1.02 addr 6
>uhidev1: iclass 3/1
>ukbd0 at uhidev1: 8 variable keys, 5 key codes
>wskbd2 at ukbd0 mux 1
>uhidev2 at uhub2 port 4 configuration 1 interface 1 "Keychron Keychron
>K2" rev 2.00/1.02 addr 6
>uhidev2: iclass 3/1, 6 report ids
>ukbd1 at uhidev2 reportid 1: 120 variable keys, 0 key codes
>wskbd3 at ukbd1 mux 1
>uhid7 at uhidev2 reportid 2: input=1, output=0, feature=0
>ucc1 at uhidev2 reportid 3: 829 usages, 18 keys, array
>wskbd4 at ucc1 mux 1
>uhid8 at uhidev2 reportid 5: input=3, output=0, feature=0
>ums0 at uhidev2 reportid 6: 3 buttons, Z dir
>wsmouse2 at ums0 mux 0
>uhidev3 at uhub1 port 3 configuration 1 interface 0 "CHERRY Wireless
>Mouse" rev 1.10/1.01 addr 7
>uhidev3: iclass 3/1, 5 report ids
>ums1 at uhidev3 reportid 3: 5 buttons, Z and W dir
>wsmouse3 at ums1 mux 0
>uhid9 at uhidev3 reportid 5: input=5, output=6, feature=0
>ugen0 at uhub1 port 5 "LENOVO 40AN" rev 2.01/31.69 addr 8
>umb0 at uhub0 port 3 configuration 1 interface 12 "Sierra Wireless,
>Incorporated Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A" rev
>2.00/0.06 addr 9
>ugen1 at uhub0 port 3 configuration 1 "Sierra Wireless, Incorporated
>Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A" rev 2.00/0.06
>addr 9
>uhub4 at uhub0 port 15 configuration 1 interface 0 "VIA Labs, Inc.
>USB3.1 Hub" rev 3.10/51.63 addr 10
>uhub5 at uhub4 port 1 configuration 1 interface 0 "VIA Labs, Inc.
>USB3.1 Hub" rev 3.10/51.33 addr 11
>ure0 at uhub5 port 2 configuration 1 interface 0 "Realtek ThinkPad TBT
>3 Dock" rev 3.00/31.01 addr 12
>ure0: RTL8153B (0x6010), address 08:3a:88:61:60:b3
>rgephy0 at ure0 phy 0: RTL8251 PHY, rev. 0
>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: 244197MB, 512 bytes/sector, 500116607 sectors
>root on sd1a (7687246e29ebe670.a) swap on sd1b dump on sd1b
>drm:pid0:intel_ddi_sanitize_encoder_pll_mapping *NOTICE* [drm]
>[ENCODER:102:DDI B/PHY B] is disabled/in DSI mode with an ungated DDI
>clock, gate it
>drm:pid0:intel_ddi_sanitize_encoder_pll_mapping *NOTICE* [drm]
>[ENCODER:116:DDI C/PHY C] is disabled/in DSI mode with an ungated DDI
>clock, gate it
>inteldrm0: 1366x768, 32bpp
>wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using
>wskbd0
>wskbd1: connecting to wsdisplay0
>wskbd2: connecting to wsdisplay0
>wskbd3: connecting to wsdisplay0
>wskbd4: connecting to wsdisplay0
>wsdisplay0: screen 1-5 added (std, vt100 emulation)
>iwm0: hw rev 0x200, fw ver 36.ca7b901d.0, address b8:08:cf:8c:38:45
>
>--Huhn
>
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