Hello,

I can reproduce this on my VPS. I was never able to get em0 back
working. I was wondering if it was something related to KVM. I had been
using em0 for 3+ years. I was thinking it was just me but watching the
list. I ended up switching to vio0 and got it back working. Still trying
to figure out what went wrong.

Thanks!

On Sat, Nov 11, 2017 at 04:03:09PM +0100, Jan Stary wrote:
> This is current/amd64 on a Dell Latitude E5570 (dmesg below).
> When booting without the ethernet cable plugged in,
> the boot sequence finishes with the following message:
> 
>       em0: Hardware Initialization Failed
>       em0: Unable to initialize the hardware
> 
> So, the cable is not it now:
> 
>       $ ifconfig em0
>       em0: flags=8803<UP,BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>               lladdr 28:f1:0e:26:94:75
>               index 2 priority 0 llprio 3
>               media: Ethernet autoselect (none)
>               status: no carrier
> 
> The I plug the cable in:
> 
>       $ ifconfig em0
>       em0: flags=8803<UP,BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>               lladdr 28:f1:0e:26:94:75
>               index 2 priority 0 llprio 3
>               media: Ethernet autoselect (10baseT full-duplex)
>               status: active
> 
> But it won't get a DHCP lease:
> 
>       $ doas dhclient em0
>       doas ([email protected]) password:
>       em0: no link ........... sleeping
> 
>       $ doas dhclient em0
>       doas ([email protected]) password:
>       em0: no link .......... sleeping
> 
>       $ doas dhclient em0
>       doas ([email protected]) password:
>       em0: no link ........... sleeping
> 
> When I boot with the cable plugged in, everything works as expected,
> like it always has. But now it seems that the ethernet cable _must_
> be plugged in at boot, otherwise em0 will just not work.
> 
> Can somebody with em(4) reproduce?
> How can I debug this?
> 
>       Jan
> 
> 
> OpenBSD 6.2-current (GENERIC.MP) #0: Sat Nov 11 11:52:13 CET 2017
>     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 16810340352 (16031MB)
> avail mem = 16294019072 (15539MB)
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xeac10 (107 entries)
> bios0: vendor Dell Inc. version "1.5.0" date 04/22/2016
> bios0: Dell Inc. Latitude E5570
> 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 UEFI SSDT SSDT SLIC 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) i5-6440HQ CPU @ 2.60GHz, 2295.52 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,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SENSOR,ARAT
> 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 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) i5-6440HQ CPU @ 2.60GHz, 2294.67 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,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SENSOR,ARAT
> cpu1: 256KB 64b/line 8-way L2 cache
> cpu1: smt 0, core 1, package 0
> cpu2 at mainbus0: apid 4 (application processor)
> cpu2: Intel(R) Core(TM) i5-6440HQ CPU @ 2.60GHz, 2294.67 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,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SENSOR,ARAT
> cpu2: 256KB 64b/line 8-way L2 cache
> cpu2: smt 0, core 2, package 0
> cpu3 at mainbus0: apid 6 (application processor)
> cpu3: Intel(R) Core(TM) i5-6440HQ CPU @ 2.60GHz, 2294.67 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,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,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SENSOR,ARAT
> cpu3: 256KB 64b/line 8-way L2 cache
> cpu3: smt 0, core 3, package 0
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
> acpimcfg0 at acpi0 addr 0xf0000000, bus 0-127
> 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 -1 (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 2 (RP03)
> acpiprt12 at acpi0: bus -1 (RP04)
> acpiprt13 at acpi0: bus -1 (RP05)
> acpiprt14 at acpi0: bus -1 (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
> 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
> acpitz0 at acpi0: critical temperature is 107 degC
> "INT3F0D" at acpi0 not configured
> "INT3403" at acpi0 not configured
> "INT3403" at acpi0 not configured
> "DLLK06DF" at acpi0 not configured
> "DLL06DF" at acpi0 not configured
> "PNP0401" at acpi0 not configured
> "SMO8810" at acpi0 not configured
> "INT3403" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> "INT33A1" at acpi0 not configured
> "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 TXF9M65" serial 48071 type LiP oem 
> "Samsung SDI"
> "DELLABC6" at acpi0 not configured
> "DELLABCE" at acpi0 not configured
> "INT340E" at acpi0 not configured
> "INT3400" at acpi0 not configured
> acpivideo0 at acpi0: GFX0
> acpivout0 at acpivideo0: LCD_
> cpu0: Enhanced SpeedStep 2295 MHz: speeds: 2601, 2600, 2400, 2300, 2200, 
> 2100, 2000, 1800, 1700, 1600, 1400, 1300, 1200, 1100, 900, 800 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x07
> inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 530" rev 0x06
> 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: 1920x1080, 32bpp
> wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
> wsdisplay0: screen 1-5 added (std, vt100 emulation)
> "Intel Core 6G Thermal" rev 0x07 at pci0 dev 4 function 0 not configured
> xhci0 at pci0 dev 20 function 0 "Intel 100 Series xHCI" rev 0x31: msi
> 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 0x31
> "Intel 100 Series MEI" rev 0x31 at pci0 dev 22 function 0 not configured
> puc0 at pci0 dev 22 function 3 "Intel 100 Series KT" rev 0x31: ports: 1 com
> com4 at puc0 port 0 apic 2 int 19: ns16550a, 16 byte fifo
> ahci0 at pci0 dev 23 function 0 "Intel 100 Series AHCI" rev 0x31: msi, AHCI 
> 1.3.1
> ahci0: port 0: 6.0Gb/s
> ahci0: PHY offline on port 2
> scsibus1 at ahci0: 32 targets
> sd0 at scsibus1 targ 0 lun 0: <ATA, INTEL SSDSCKGF25, LB1i> SCSI3 0/direct 
> fixed naa.55cd2e414d0cc399
> sd0: 244198MB, 512 bytes/sector, 500118192 sectors, thin
> ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi
> pci1 at ppb0 bus 1
> iwm0 at pci1 dev 0 function 0 "Intel Dual Band Wireless AC 8260" rev 0x3a, msi
> ppb1 at pci0 dev 28 function 2 "Intel 100 Series PCIE" rev 0xf1: msi
> pci2 at ppb1 bus 2
> rtsx0 at pci2 dev 0 function 0 "Realtek RTS525A Card Reader" rev 0x01: msi
> sdmmc0 at rtsx0: 4-bit, dma
> pcib0 at pci0 dev 31 function 0 "Intel CM236 LPC" rev 0x31
> "Intel 100 Series PMC" rev 0x31 at pci0 dev 31 function 2 not configured
> azalia0 at pci0 dev 31 function 3 "Intel 100 Series HD Audio" rev 0x31: msi
> azalia0: codecs: Realtek/0x0293, Intel/0x2809, using Realtek/0x0293
> audio0 at azalia0
> ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x31: apic 2 
> int 16
> iic0 at ichiic0
> iic0: addr 0x29 0f=33 10=82 11=80 12=8e 13=61 14=a0 15=20 16=24 17=20 18=1a 
> 19=a0 1a=70 1b=64 1c=e0 1d=a0 1e=a0 20=0f 22=40 2f=20 30=95 32=0e 33=16 8f=33 
> 90=82 91=80 92=8e 93=61 94=a0 95=20 96=24 97=20 98=1a 99=a0 9a=70 9b=64 9c=e0 
> 9d=a0 9e=a0 a0=0f a2=40 af=20 b0=95 b2=0e b3=16 words 00=0000 01=0000 02=0000 
> 03=0000 04=0000 05=0000 06=0000 07=0000
> em0 at pci0 dev 31 function 6 "Intel I219-LM" rev 0x31: msi, address 
> 28:f1:0e:26:94:75
> 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
> pms0 at pckbc0 (aux slot)
> wsmouse0 at pms0 mux 0
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> ugen0 at uhub0 port 10 "Broadcom Corp 5880" rev 1.10/1.01 addr 2
> uvideo0 at uhub0 port 11 configuration 1 interface 0 "CN0J8NNP7248765RBBM6A00 
> Integrated_Webcam_HD" rev 2.00/54.13 addr 3
> video0 at uvideo0
> 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> SCSI2 0/direct fixed
> sd1: 244190MB, 512 bytes/sector, 500102858 sectors
> root on sd1a (5b54f917e2739114.a) swap on sd1b dump on sd1b
> iwm0: hw rev 0x200, fw ver 16.242414.0, address e4:a4:71:40:21:08
> em0: Hardware Initialization Failed
> em0: Unable to initialize the hardware
> 

-- 
TTTTT

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