I have been unable to start X with a new install of OpenBSD on my laptop. I am a beginner with OpenBSD. This is a Skylake laptop with Intel 520 QHD graphics. During boot, the console shows with underscan, then the resolution increases (but is still less than native), then goes black upon starting Xorg. If I disable xenodm, the console is visible and I am able to login on the laptop. The first time I enabled and started xenodm, the screen went black. I was able to connect through SSH and retrieve the Xorg.0.log which told me to add machdep.allowaperture=1 to /etc/sysctl.conf which I did, but the screen went black again after I rebooted. I am not able to understand what went wrong from looking at the dmesg and Xorg.0.log. I have tested this with and without a config in /etc/X11/xorg.conf.d and get the same result. I am currently using /etc/X11/xorg.conf.d/intel.conf with contents:
Section "Device" Identifier "drm" Driver "intel" Option "TearFree" "true" EndSection dmesg: OpenBSD 6.4 (GENERIC.MP) #7: Thu Feb 28 18:56:25 CET 2019 r...@syspatch-64-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 8433565696 (8042MB) avail mem = 8168701952 (7790MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xe0000 (94 entries) bios0: vendor Dell Inc. version "1.9.0" date 08/31/2018 bios0: Dell Inc. XPS 13 9350 acpi0 at bios0: rev 2 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC FPDT FIDT MCFG HPET SSDT LPIT SSDT SSDT SSDT DBGP DBG2 SSDT BOOT SSDT UEFI SSDT MSDM SSDT SLIC TCPA DMAR BGRT ASF! acpi0: wakeup devices PEGP(S4) PEG0(S4) PEGP(S4) PEG1(S4) PEGP(S4) PEG2(S4) PXSX(S4) RP09(S4) PXSX(S4) RP10(S4) PXSX(S4) RP11(S4) PXSX(S4) RP12(S4) PXSX(S4) RP13(S4) [...] 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) Core(TM) i5-6200U CPU @ 2.30GHz, 2295.40 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,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,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,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 23MHz 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) i5-6200U CPU @ 2.30GHz, 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,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,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN cpu1: 256KB 64b/line 8-way L2 cache cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 1 (application processor) cpu2: Intel(R) Core(TM) i5-6200U CPU @ 2.30GHz, 2294.65 MHz, 06-4e-03 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,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,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN cpu2: 256KB 64b/line 8-way L2 cache cpu2: smt 1, core 0, package 0 cpu3 at mainbus0: apid 3 (application processor) cpu3: Intel(R) Core(TM) i5-6200U CPU @ 2.30GHz, 2294.65 MHz, 06-4e-03 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,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,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,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, 120 pins acpimcfg0 at acpi0 acpimcfg0: addr 0xe0000000, bus 0-255 acpihpet0 at acpi0: 23999999 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus -1 (PEG0) acpiprt2 at acpi0: bus -1 (PEG1) acpiprt3 at acpi0: bus -1 (PEG2) acpiprt4 at acpi0: bus 60 (RP09) acpiprt5 at acpi0: bus -1 (RP10) acpiprt6 at acpi0: bus -1 (RP11) acpiprt7 at acpi0: bus -1 (RP12) acpiprt8 at acpi0: bus -1 (RP13) acpiprt9 at acpi0: bus 1 (RP01) acpiprt10 at acpi0: bus -1 (RP02) acpiprt11 at acpi0: bus -1 (RP03) acpiprt12 at acpi0: bus -1 (RP04) acpiprt13 at acpi0: bus 58 (RP05) acpiprt14 at acpi0: bus 59 (RP06) acpiprt15 at acpi0: bus -1 (RP07) acpiprt16 at acpi0: bus -1 (RP08) 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 (RP14) acpiprt22 at acpi0: bus -1 (RP15) acpiprt23 at acpi0: bus -1 (RP16) acpiec0 at acpi0 acpiec at acpi0 not configured 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 acpicpu2 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), C1(1000@1 mwait.1), PSS acpicpu3 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), C1(1000@1 mwait.1), PSS acpipwrres0 at acpi0: PG00, resource for PEG0 acpipwrres1 at acpi0: PG01, resource for PEG1 acpipwrres2 at acpi0: PG02, resource for PEG2 acpipwrres3 at acpi0: WRST acpipwrres4 at acpi0: WRST acpipwrres5 at acpi0: WRST acpipwrres6 at acpi0: WRST acpipwrres7 at acpi0: WRST acpipwrres8 at acpi0: WRST acpipwrres9 at acpi0: WRST acpipwrres10 at acpi0: WRST acpipwrres11 at acpi0: WRST acpipwrres12 at acpi0: WRST acpipwrres13 at acpi0: WRST acpipwrres14 at acpi0: WRST acpipwrres15 at acpi0: WRST acpipwrres16 at acpi0: WRST acpipwrres17 at acpi0: WRST acpipwrres18 at acpi0: WRST acpipwrres19 at acpi0: WRST acpipwrres20 at acpi0: WRST acpipwrres21 at acpi0: WRST acpipwrres22 at acpi0: WRST acpitz0 at acpi0: critical temperature is 107 degC acpipwrres23 at acpi0: FN00, resource for FAN0 acpipwrres24 at acpi0: FN01, resource for FAN1 acpipwrres25 at acpi0: FN02, resource for FAN2 acpipwrres26 at acpi0: FN03, resource for FAN3 acpipwrres27 at acpi0: FN04, resource for FAN4 acpitz1 at acpi0: critical temperature is 105 degC acpitz2 at acpi0: critical temperature is 105 degC acpicmos0 at acpi0 "INT3403" at acpi0 not configured "INT3403" at acpi0 not configured "INT3403" at acpi0 not configured "INT344B" at acpi0 not configured "XXXX0000" at acpi0 not configured "INT3403" at acpi0 not configured "PNP0C14" at acpi0 not configured "INT33A1" at acpi0 not configured tpm0 at acpi0: TPM_ addr 0xfed40000/0x1000: WEC WPCT200 rev 0x2 "PNP0C14" at acpi0 not configured acpibtn0 at acpi0: LID0 acpibtn1 at acpi0: PBTN acpibtn2 at acpi0: SBTN acpiac0 at acpi0: AC unit online acpibat0 at acpi0: BAT0 model "DELL JHXPY53" serial 2403 type LiP oem "SMP" "INT3400" at acpi0 not configured "PNP0C0B" at acpi0 not configured "PNP0C0B" at acpi0 not configured "PNP0C0B" at acpi0 not configured "PNP0C0B" at acpi0 not configured "PNP0C0B" at acpi0 not configured acpivideo0 at acpi0: GFX0 acpivout0 at acpivideo0: LCD_ cpu0: Enhanced SpeedStep 2295 MHz: speeds: 2301, 2300, 2200, 2100, 2000, 1800, 1700, 1500, 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 error: [drm:pid0:i915_firmware_load_error_print] *ERROR* failed to load firmware i915/skl_dmc_ver1.bin (-22) error: [drm:pid0:i915_gem_init_hw] *ERROR* Failed to initialize GuC, error -8 (ignored) inteldrm0: 3200x1800, 32bpp error: [drm:pid0:intel_dp_link_training_channel_equalization] *ERROR* 5.4 Gbps link rate without HBR2/TPS3 support wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation) wsdisplay0: screen 1-5 added (std, vt100 emulation) "Intel Core 6G Thermal" rev 0x08 at pci0 dev 4 function 0 not configured 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 ihidev0 at iic1 addr 0x2cdwiic1: timed out reading remaining 29 , failed fetching initial HID descriptor "Intel 100 Series MEI" rev 0x21 at pci0 dev 22 function 0 not configured ahci0 at pci0 dev 23 function 0 "Intel 100 Series AHCI" rev 0x21: msi, AHCI 1.3.1 scsibus1 at ahci0: 32 targets ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi pci1 at ppb0 bus 1 ppb1 at pci0 dev 28 function 4 "Intel 100 Series PCIE" rev 0xf1: msi pci2 at ppb1 bus 58 iwm0 at pci2 dev 0 function 0 "Intel Dual Band Wireless-AC 8265" rev 0x50, msi ppb2 at pci0 dev 28 function 5 "Intel 100 Series PCIE" rev 0xf1: msi pci3 at ppb2 bus 59 rtsx0 at pci3 dev 0 function 0 "Realtek RTS525A Card Reader" rev 0x01: msi sdmmc0 at rtsx0: 4-bit, dma ppb3 at pci0 dev 29 function 0 "Intel 100 Series PCIE" rev 0xf1: msi pci4 at ppb3 bus 60 nvme0 at pci4 dev 0 function 0 "Samsung SM951/PM951 NVMe" rev 0x01: msi, NVMe 1.1 nvme0: PM951 NVMe SAMSUNG 256GB, firmware BXV77D0Q, serial S29NNXAG983405 scsibus2 at nvme0: 1 targets sd0 at scsibus2 targ 0 lun 0: <NVMe, PM951 NVMe SAMSU, BXV7> SCSI4 0/direct fixed 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/0x0256, Intel/0x2809, using Realtek/0x0256 audio0 at azalia0 ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x21: apic 2 int 16 iic2 at ichiic0 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, using wsdisplay0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 vmm0 at mainbus0: VMX/EPT efifb at mainbus0 not configured uvideo0 at uhub0 port 5 configuration 1 interface 0 "CKFEH41I373010011222 Integrated_Webcam_HD" rev 2.01/48.14 addr 2 video0 at uvideo0 vscsi0 at root scsibus3 at vscsi0: 256 targets softraid0 at root scsibus4 at softraid0: 256 targets sd1 at scsibus4 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006> SCSI2 0/direct fixed sd1: 182438MB, 512 bytes/sector, 373634544 sectors root on sd1a (7a9a5283d2185467.a) swap on sd1b dump on sd1b iwm0: hw rev 0x230, fw ver 22.361476.0, address 34:13:e8:58:c0:46 Xorg.0.log: [ 13.360] (--) checkDevMem: using aperture driver /dev/xf86 [ 13.430] (--) Using wscons driver on /dev/ttyC4 [ 13.497] X.Org X Server 1.19.6 Release Date: 2017-12-20 [ 13.497] X Protocol Version 11, Revision 0 [ 13.497] Build Operating System: OpenBSD 6.4 amd64 [ 13.497] Current Operating System: OpenBSD c12h17n2o4p.my.domain 6.4 GENERIC.MP#7 amd64 [ 13.497] Build Date: 25 October 2018 11:39:05PM [ 13.497] [ 13.497] Current version of pixman: 0.34.0 [ 13.497] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 13.497] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 13.497] (==) Log file: "/var/log/Xorg.0.log", Time: Sat Mar 2 14:09:48 2019 [ 13.499] (==) Using config directory: "/etc/X11/xorg.conf.d" [ 13.499] (==) Using system config directory "/usr/X11R6/share/X11/xorg.conf.d" [ 13.501] (==) No Layout section. Using the first Screen section. [ 13.501] (==) No screen section available. Using defaults. [ 13.501] (**) |-->Screen "Default Screen Section" (0) [ 13.501] (**) | |-->Monitor "<default monitor>" [ 13.502] (==) No device specified for screen "Default Screen Section". Using the first device section listed. [ 13.502] (**) | |-->Device "drm" [ 13.502] (==) No monitor specified for screen "Default Screen Section". Using a default monitor configuration. [ 13.502] (==) Automatically adding devices [ 13.502] (==) Automatically enabling devices [ 13.502] (==) Not automatically adding GPU devices [ 13.502] (==) Max clients allowed: 256, resource mask: 0x1fffff [ 13.510] (==) FontPath set to: /usr/X11R6/lib/X11/fonts/misc/, /usr/X11R6/lib/X11/fonts/TTF/, /usr/X11R6/lib/X11/fonts/OTF/, /usr/X11R6/lib/X11/fonts/Type1/, /usr/X11R6/lib/X11/fonts/100dpi/, /usr/X11R6/lib/X11/fonts/75dpi/ [ 13.510] (==) ModulePath set to "/usr/X11R6/lib/modules" [ 13.510] (II) The server relies on wscons to provide the list of input devices. If no devices become available, reconfigure wscons or disable AutoAddDevices. [ 13.510] (II) Loader magic: 0x1b29fff71000 [ 13.510] (II) Module ABI versions: [ 13.510] X.Org ANSI C Emulation: 0.4 [ 13.510] X.Org Video Driver: 23.0 [ 13.510] X.Org XInput driver : 24.1 [ 13.510] X.Org Server Extension : 10.0 [ 13.511] (--) PCI:*(0:0:2:0) 8086:1916:1028:0704 rev 7, Mem @ 0xdb000000/16777216, 0x90000000/268435456, I/O @ 0x0000f000/64 [ 13.511] (II) LoadModule: "glx" [ 13.513] (II) Loading /usr/X11R6/lib/modules/extensions/libglx.so [ 13.528] (II) Module glx: vendor="X.Org Foundation" [ 13.528] compiled for 1.19.6, module version = 1.0.0 [ 13.528] ABI class: X.Org Server Extension, version 10.0 [ 13.528] (II) LoadModule: "intel" [ 13.528] (II) Loading /usr/X11R6/lib/modules/drivers/intel_drv.so [ 13.532] (II) Module intel: vendor="X.Org Foundation" [ 13.532] compiled for 1.19.6, module version = 2.99.916 [ 13.532] Module class: X.Org Video Driver [ 13.532] ABI class: X.Org Video Driver, version 23.0 [ 13.532] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets: i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45, 4 Series, G45/G43, Q45/Q43, G41, B43 [ 13.533] (II) intel: Driver for Intel(R) HD Graphics: 2000-6000 [ 13.533] (II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100 [ 13.533] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200, P6300 [ 13.535] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20151010 [ 13.537] (WW) intel(0): Unknown chipset [ 13.537] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx, avx2 [ 13.537] (II) intel(0): Creating default Display subsection in Screen section "Default Screen Section" for depth/fbbpp 24/32 [ 13.537] (==) intel(0): Depth 24, (--) framebuffer bpp 32 [ 13.537] (==) intel(0): RGB weight 888 [ 13.537] (==) intel(0): Default visual is TrueColor [ 13.538] (**) intel(0): Option "TearFree" "true"