Hi,

After updating my router to current, the systems hangs during the boot.
Maybe its caused by the "invalid EDID"?!  The System boots up normaly
and doesn't hang, if I disable inteldrm(4) in UKC.

Is this issue known?  Or, witch additional debug information should I
provide to help fixing this bug?

Thanks,
Jan

[ using 2744944 bytes of bsd ELF symbol table ]
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OpenBSD 6.6-beta (GENERIC.MP) #328: Thu Sep 26 21:37:06 MDT 2019
    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 2024398848 (1930MB)
avail mem = 1950400512 (1860MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xeca50 (49 entries)
bios0: vendor American Megatrends Inc. version "5.6.5" date 01/05/2017
bios0: Lanner Electronics gbXSo
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S4 S5
acpi0: tables DSDT FACP APIC FPDT LPIT MCFG HPET SSDT SSDT SSDT UEFI
acpi0: wakeup devices EHC1(S4) PXSX(S4) PXSX(S4) PXSX(S4) PXSX(S4) PWRB(S0) 
BRCM(S0)
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) Celeron(R) CPU N2807 @ 1.58GHz, 1583.59 MHz, 06-37-08
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,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN
cpu0: 1MB 64b/line 16-way L2 cache
tsc_timecounter_init: TSC skew=0 observed drift=0
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 83MHz
cpu0: mwait min=64, max=64, C-substates=0.2.0.0.0.0.3.3, IBE
cpu1 at mainbus0: apid 2 (application processor)
TSC skew=0
cpu1: Intel(R) Celeron(R) CPU N2807 @ 1.58GHz, 1583.34 MHz, 06-37-08
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,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN
cpu1: 1MB 64b/line 16-way L2 cache
tsc_timecounter_init: TSC skew=0 observed drift=0
cpu1: smt 0, core 1, package 0
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 87 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xe0000000, bus 0-255
acpihpet0 at acpi0: 14318179 Hz
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 2 (RP02)
acpiprt2 at acpi0: bus 3 (RP03)
acpiprt3 at acpi0: bus 4 (RP04)
acpiprt4 at acpi0: bus 1 (RP01)
acpiec0 at acpi0: not present
acpicpu0 at acpi0: C3(10@1500 mwait.1@0x52), C2(10@500 mwait.1@0x51), C1(1000@1 
mwait.1), PSS
acpicpu1 at acpi0: C3(10@1500 mwait.1@0x52), C2(10@500 mwait.1@0x51), C1(1000@1 
mwait.1), PSS
acpipwrres0 at acpi0: PLPE
acpipwrres1 at acpi0: PLPE
acpipwrres2 at acpi0: USBC, resource for EHC1, OTG1
acpipwrres3 at acpi0: CLK0, resource for CAM1
acpipwrres4 at acpi0: CLK1, resource for CAM0, CAM2
acpipwrres5 at acpi0: FN00, resource for FAN0
acpitz0 at acpi0: critical temperature is 90 degC
"INT3396" at acpi0 not configured
acpicmos0 at acpi0
acpipci0 at acpi0 PCI0: 0x00000004 0x00000011 0x00000001
"DMA0F28" at acpi0 not configured
acpibtn0 at acpi0: PWRB
acpibtn1 at acpi0: SLPB
"BCM2E1A" at acpi0 not configured
"BCM4752" at acpi0 not configured
"AUTH2750" at acpi0 not configured
"INTCF0B" at acpi0 not configured
"INTCF1A" at acpi0 not configured
"INTCF1C" at acpi0 not configured
"SMO91D0" at acpi0 not configured
"MSFT0002" at acpi0 not configured
"INT33BD" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD1F
cpu0: using VERW MDS workaround
cpu0: Enhanced SpeedStep 1583 MHz: speeds: 1577, 1494, 1411, 1328, 1245, 1162, 
1079, 996, 913, 830, 747, 664, 581, 498 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Bay Trail Host" rev 0x0e
inteldrm0 at pci0 dev 2 function 0 "Intel Bay Trail Video" rev 0x0e
drm0 at inteldrm0
inteldrm0: msi
ahci0 at pci0 dev 19 function 0 "Intel Bay Trail AHCI" rev 0x0e: msi, AHCI 1.3
ahci0: port 0: 3.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, InnoDisk Corp. -, S164> naa.524693f2ca20f959
sd0: 7641MB, 512 bytes/sector, 15649200 sectors, thin
"Intel Bay Trail TXE" rev 0x0e at pci0 dev 26 function 0 not configured
azalia0 at pci0 dev 27 function 0 "Intel Bay Trail HD Audio" rev 0x0e: msi
azalia0: no supported codecs
ppb0 at pci0 dev 28 function 0 "Intel Bay Trail PCIE" rev 0x0e: msi
pci1 at ppb0 bus 1
bwfm0 at pci1 dev 0 function 0 "Broadcom BCM4350" rev 0x08: msi
ppb1 at pci0 dev 28 function 1 "Intel Bay Trail PCIE" rev 0x0e: msi
pci2 at ppb1 bus 2
em0 at pci2 dev 0 function 0 "Intel I211" rev 0x03: msi, address 
00:90:0b:50:f1:ed
ppb2 at pci0 dev 28 function 2 "Intel Bay Trail PCIE" rev 0x0e: msi
pci3 at ppb2 bus 3
em1 at pci3 dev 0 function 0 "Intel I211" rev 0x03: msi, address 
00:90:0b:50:f1:ee
ppb3 at pci0 dev 28 function 3 "Intel Bay Trail PCIE" rev 0x0e: msi
pci4 at ppb3 bus 4
em2 at pci4 dev 0 function 0 "Intel I211" rev 0x03: msi, address 
00:90:0b:50:f1:ef
ehci0 at pci0 dev 29 function 0 "Intel Bay Trail EHCI" rev 0x0e: apic 1 int 23
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
pcib0 at pci0 dev 31 function 0 "Intel Bay Trail LPC" rev 0x0e
ichiic0 at pci0 dev 31 function 3 "Intel Bay Trail SMBus" rev 0x0e: apic 1 int 
18
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-12800 SO-DIMM
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: console
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
com1: probed fifo depth: 15 bytes
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation)
uhub1 at uhub0 port 1 configuration 1 interface 0 "Intel product 0x07e6" rev 
2.00/0.14 addr 2
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (bacfbb280db0e792.a) swap on sd0b dump on sd0b
WARNING: / was not properly unmounted
drm:pid0:connector_bad_edid *WARNING* HDMI-A-: EDID is invalid:
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
inteldrm0: 1024x768, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
bwfm0: address 74:df:bf:30:30:f3

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