Hello. 
Please forgive my poor English. 
This is the dmesg:
_________________
OpenBSD 7.7 (GENERIC.MP) #596: Sun Apr 13 10:57:57 MDT 2025
    dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP
real mem  = 3105521664 (2961MB)
avail mem = 3031207936 (2890MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: date 12/14/12, SMBIOS rev. 2.8 @ 0xebd30 (51 entries)
bios0: vendor Huawei version "2.04" date 03/11/2015
bios0: Huawei CT6100
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP APIC FPDT MCFG LPIT HPET SSDT SSDT SSDT UEFI
acpi0: wakeup devices EHC1(S4) PXSX(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 J1800 @ 2.41GHz ("GenuineIntel" 686-class) 2.42 
GHz, 06-37-08, patch 00000809
cpu0: 
FPU,V86,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,SENSOR,ARAT,MELTDOWN
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)
cpu1: Intel(R) Celeron(R) CPU J1800 @ 2.41GHz ("GenuineIntel" 686-class) 2.42 
GHz, 06-37-08, patch 00000809
cpu1: 
FPU,V86,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,SENSOR,ARAT,MELTDOWN
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 1 (RP01)
acpiprt2 at acpi0: bus 2 (RP02)
acpiprt3 at acpi0: bus 3 (RP03)
acpiprt4 at acpi0: bus 4 (RP04)
acpiec0 at acpi0: not present
"INT3396" at acpi0 not configured
acpicmos0 at acpi0
"PNP0A08" at acpi0 not configured
"PNP0303" at acpi0 not configured
"PNP0F03" at acpi0 not configured
"PNP0501" at acpi0 not configured
"PNP0501" at acpi0 not configured
"PNP0501" at acpi0 not configured
"PNP0501" at acpi0 not configured
acpibtn0 at acpi0: PWRB(wakeup)
acpibtn1 at acpi0: SLPB
"INT33BD" at acpi0 not configured
"PNP0C0B" at acpi0 not configured
acpicpu0 at acpi0: C1(@1 halt!), PSS
acpicpu1 at acpi0: C1(@1 halt!), 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
acpitz0: critical temperature is 90 degC
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD1F
bios0: ROM list: 0xc0000/0xd800!
cpu0: Enhanced SpeedStep 2417 MHz: speeds: 2407, 2324, 2241, 2158, 2075, 1992, 
1909, 1826, 1743, 1660, 1577, 1494, 1411, 1328 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
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, VALLEYVIEW, gen 7
ahci0 at pci0 dev 19 function 0 "Intel Bay Trail AHCI" rev 0x0e: msi, AHCI 1.3
ahci0: port 0: 1.5Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, SM2244LTAB ,TC58, 2014> 
t10.ATA_SM2244LTAB_,TC58TEG6DDKTA00_E1SSD20151018-012429
sd0: 7551MB, 512 bytes/sector, 15465744 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: codecs: Realtek ALC662, Intel/0x2882, using Realtek ALC662
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel Bay Trail PCIE" rev 0x0e: apic 1 int 16
pci1 at ppb0 bus 1
em0 at pci1 dev 0 function 0 "Intel I211" rev 0x03: msi, address 
c4:09:38:e9:90:ef
ppb1 at pci0 dev 28 function 1 "Intel Bay Trail PCIE" rev 0x0e: apic 1 int 17
pci2 at ppb1 bus 2
em1 at pci2 dev 0 function 0 "Intel I211" rev 0x03: msi, address 
c4:09:38:e9:90:f0
ppb2 at pci0 dev 28 function 2 "Intel Bay Trail PCIE" rev 0x0e: apic 1 int 18
pci3 at ppb2 bus 3
ppb3 at pci0 dev 28 function 3 "Intel Bay Trail PCIE" rev 0x0e: apic 1 int 19
pci4 at ppb3 bus 4
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: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com2 at isa0 port 0x3e8/8 irq 5: 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
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
uhub1 at uhub0 port 1 configuration 1 interface 0 "Intel product 0x07e6" rev 
2.00/0.14 addr 2
umass0 at uhub1 port 2 configuration 1 interface 0 "Netac OnlyDisk" rev 
2.00/1.ff addr 3
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <Netac, OnlyDisk, 8.07> removable 
serial.0dd82300796553F430FE
sd1: 7440MB, 512 bytes/sector, 15237120 sectors
uhub2 at uhub1 port 3 configuration 1 interface 0 "Standard Microsystems 
product 0x2514" rev 2.00/b.b3 addr 4
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
root on sd0a (a457e53f22b4ad31.a) swap on sd0b dump on sd0b
inteldrm0: 1920x1080, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
OpenBSD$ 


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The device is Huawei CT6100, which can work normally under 32-bit 7.7, but when 
installing 64-bit 7.7, it reports an error:




NMI port 61 20, port 70 ff
NMI port 61 20, port 70 ff


————————


Perhaps this is not a valuable error message, Thank you very much for your 
time, regardless of whether it's worth addressing or not.


I have been using OpenBSD for over 20 years, and this is the first time I 
encountered such a situation.


Thank you very much!







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