On Sun, Feb 08, 2026 at 06:34:50PM +0100, Mark Kettenis wrote:
> > > > What about my suggestion to have a dummy framebuffer?

That seems a very useful thing to have.

> > > I had tried, but I wasn't able make something that works.
> > > 
> > > Or better to say all my attemt leads to that machine still hungs.
> > > 
> > > Here hard part: this is remote machine, I haven't got access to serial
> > > console on it, I can only boot it, or boot in "rescue mode" (Linux) or as
> > > to attach KVM.
> > > 
> > > ... and without the way to debug I can't figure out why and where it hangs.

I have a similar issue on a machine, but fortunately that machine is
within walking distance.

> Does the diff below work for you?

With the below diff, a Minisforum MS-A2 does boot, but only with HDMI
dummy plugged in...

While I don't know how to see what the issue is, I can contribute my
time to do trial and error until we figure it out? Below is a dmesg.

> Index: arch/amd64/amd64/efifb.c
> ===================================================================
> RCS file: /cvs/src/sys/arch/amd64/amd64/efifb.c,v
> diff -u -p -r1.34 efifb.c
> --- arch/amd64/amd64/efifb.c	15 Jul 2022 17:57:25 -0000	1.34
> +++ arch/amd64/amd64/efifb.c	8 Feb 2026 17:33:13 -0000
> @@ -578,6 +578,33 @@ cb_find_fb(paddr_t addr)
>  	return NULL;
>  }
>  
> +int
> +efifb_dummy_cnattach(void)
> +{
> +	const int width = 1024;
> +	const int height = 768;
> +	struct pglist mlist;
> +	int error;
> +
> +	memset(&efifb_console, 0, sizeof(efifb_console));
> +	efifb_console.cb_table_fb.x_resolution = width;
> +	efifb_console.cb_table_fb.y_resolution = height;
> +
> +	TAILQ_INIT(&mlist);
> +	error = uvm_pglistalloc(width * height, 0, -1, PAGE_SIZE, 0,
> +	    &mlist, 1, UVM_PLA_WAITOK);
> +	if (error)
> +		return (-1);
> +
> +	efifb_console.paddr = VM_PAGE_TO_PHYS(TAILQ_FIRST(&mlist));
> +	efifb_console.depth = 8;
> +	efifb_console.psize = width * height;
> +
> +	efifb_cnattach_common();
> +
> +	return (0);
> +}
> +
>  psize_t
>  efifb_stolen(void)
>  {
> Index: arch/amd64/amd64/wscons_machdep.c
> ===================================================================
> RCS file: /cvs/src/sys/arch/amd64/amd64/wscons_machdep.c,v
> diff -u -p -r1.14 wscons_machdep.c
> --- arch/amd64/amd64/wscons_machdep.c	14 Oct 2017 04:44:43 -0000	1.14
> +++ arch/amd64/amd64/wscons_machdep.c	8 Feb 2026 17:33:13 -0000
> @@ -152,6 +152,10 @@ wscn_video_init(void)
>  	if (pcdisplay_cnattach(X86_BUS_SPACE_IO, X86_BUS_SPACE_MEM) == 0)
>  		return (0);
>  #endif
> +#if (NEFIFB > 0)
> +	if (efifb_dummy_cnattach() == 0)
> +		return (0);
> +#endif
>  	return (-1);
>  }
>  
> Index: arch/amd64/include/efifbvar.h
> ===================================================================
> RCS file: /cvs/src/sys/arch/amd64/include/efifbvar.h,v
> diff -u -p -r1.10 efifbvar.h
> --- arch/amd64/include/efifbvar.h	4 May 2019 11:34:47 -0000	1.10
> +++ arch/amd64/include/efifbvar.h	8 Feb 2026 17:33:13 -0000
> @@ -34,6 +34,7 @@ void efifb_reattach(void);
>  
>  int efifb_cb_found(void);
>  int efifb_cb_cnattach(void);
> +int efifb_dummy_cnattach(void);
>  
>  psize_t efifb_stolen(void);


OpenBSD 7.9-beta (GENERIC.MP) #1: Mon Mar 30 08:36:11 UTC 2026
    job@a2.bsd.nl:/sys/arch/amd64/compile/GENERIC.MP
real mem = 48996302848 (46726MB)
avail mem = 47483215872 (45283MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 3.7 @ 0xb85f6000 (37 entries)
bios0: vendor American Megatrends International, LLC. version "1.02" date 06/16/2025
bios0: Micro Computer (HK) Tech Limited MS-A2
efi0 at bios0: UEFI 2.9
efi0: American Megatrends rev 0x50024
acpi0 at bios0: ACPI 6.5
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SSDT SSDT FIDT MCFG HPET WDRT UEFI FPDT VFCT SSDT SSDT SSDT SSDT SSDT WSMT APIC MHSP SSDT SSDT SSDT SSDT SSDT IVRS SSDT SSDT SSDT SSDT
acpi0: wakeup devices GPP2(S4) GPP3(S4) GPP4(S4) GPP5(S4) LAN1(S4) GPP6(S4) RLAN(S4) ILAN(S4) GP17(S4) XHC0(S3) XHC1(S3) GP18(S4) XHC2(S4) GPP0(S4) GPP1(S4) WLAN(S4)
acpitimer0 at acpi0: 3579545 Hz, 32 bits
acpimcfg0 at acpi0
acpimcfg0: addr 0xc0000000, bus 0-127
acpihpet0 at acpi0: 14318180 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD Ryzen 9 9955HX 16-Core Processor, 2495.36 MHz, 1a-44-00, patch 0b404024
cpu0: cpuid 1 edx=178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT> ecx=76d8320b<SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND>
cpu0: cpuid 6 eax=4<ARAT> ecx=1<EFFFREQ>
cpu0: cpuid 7.0 ebx=f1bf97ab<FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,PQM,AVX512F,AVX512DQ,RDSEED,ADX,SMAP,AVX512IFMA,CLFLUSHOPT,CLWB,AVX512CD,SHA,AVX512BW,AVX512VL> ecx=19405fce<AVX512VBMI,UMIP,PKU> edx=10000110<L1DF>
cpu0: cpuid d.1 eax=f<XSAVEOPT,XSAVEC,XGETBV1,XSAVES>
cpu0: cpuid 80000001 edx=2fd3fbff<NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG> ecx=75c237ff<LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTRL3,MWAITX>
cpu0: cpuid 80000007 edx=6799<HWPSTATE,ITSC>
cpu0: cpuid 80000008 ebx=791ef257<IBPB,IBRS,STIBP,STIBP_ALL,IBRS_PREF,IBRS_SM,SSBD>
cpu0: cpuid 8000001F eax=1<SME>
cpu0: 48KB 64b/line 12-way D-cache, 32KB 64b/line 8-way I-cache, 1MB 64b/line 16-way L2 cache, 32MB 64b/line 16-way L3 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 24MHz
cpu0: mwait min=64, max=64, C-substates=1.2, IBE
cpu1 at mainbus0: apid 2 (application processor)
cpu1: AMD Ryzen 9 9955HX 16-Core Processor, 2495.35 MHz, 1a-44-00, patch 0b404024
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 4 (application processor)
cpu2: AMD Ryzen 9 9955HX 16-Core Processor, 2495.33 MHz, 1a-44-00, patch 0b404024
cpu2: smt 0, core 2, package 0
cpu3 at mainbus0: apid 6 (application processor)
cpu3: AMD Ryzen 9 9955HX 16-Core Processor, 2495.36 MHz, 1a-44-00, patch 0b404024
cpu3: smt 0, core 3, package 0
cpu4 at mainbus0: apid 8 (application processor)
cpu4: AMD Ryzen 9 9955HX 16-Core Processor, 2495.35 MHz, 1a-44-00, patch 0b404024
cpu4: smt 0, core 4, package 0
cpu5 at mainbus0: apid 10 (application processor)
cpu5: AMD Ryzen 9 9955HX 16-Core Processor, 2495.36 MHz, 1a-44-00, patch 0b404024
cpu5: smt 0, core 5, package 0
cpu6 at mainbus0: apid 12 (application processor)
cpu6: AMD Ryzen 9 9955HX 16-Core Processor, 2495.40 MHz, 1a-44-00, patch 0b404024
cpu6: smt 0, core 6, package 0
cpu7 at mainbus0: apid 14 (application processor)
cpu7: AMD Ryzen 9 9955HX 16-Core Processor, 2495.37 MHz, 1a-44-00, patch 0b404024
cpu7: smt 0, core 7, package 0
cpu8 at mainbus0: apid 16 (application processor)
cpu8: AMD Ryzen 9 9955HX 16-Core Processor, 2495.44 MHz, 1a-44-00, patch 0b404024
cpu8: smt 0, core 8, package 0
cpu9 at mainbus0: apid 18 (application processor)
cpu9: AMD Ryzen 9 9955HX 16-Core Processor, 2495.43 MHz, 1a-44-00, patch 0b404024
cpu9: smt 0, core 9, package 0
cpu10 at mainbus0: apid 20 (application processor)
cpu10: AMD Ryzen 9 9955HX 16-Core Processor, 2495.49 MHz, 1a-44-00, patch 0b404024
cpu10: smt 0, core 10, package 0
cpu11 at mainbus0: apid 22 (application processor)
cpu11: AMD Ryzen 9 9955HX 16-Core Processor, 2495.46 MHz, 1a-44-00, patch 0b404024
cpu11: smt 0, core 11, package 0
cpu12 at mainbus0: apid 24 (application processor)
cpu12: AMD Ryzen 9 9955HX 16-Core Processor, 2495.50 MHz, 1a-44-00, patch 0b404024
cpu12: smt 0, core 12, package 0
cpu13 at mainbus0: apid 26 (application processor)
cpu13: AMD Ryzen 9 9955HX 16-Core Processor, 2495.50 MHz, 1a-44-00, patch 0b404024
cpu13: smt 0, core 13, package 0
cpu14 at mainbus0: apid 28 (application processor)
cpu14: AMD Ryzen 9 9955HX 16-Core Processor, 2495.50 MHz, 1a-44-00, patch 0b404024
cpu14: smt 0, core 14, package 0
cpu15 at mainbus0: apid 30 (application processor)
cpu15: AMD Ryzen 9 9955HX 16-Core Processor, 2495.43 MHz, 1a-44-00, patch 0b404024
cpu15: smt 0, core 15, package 0
cpu16 at mainbus0: apid 1 (application processor)
cpu16: AMD Ryzen 9 9955HX 16-Core Processor, 2495.56 MHz, 1a-44-00, patch 0b404024
cpu16: smt 1, core 0, package 0
cpu17 at mainbus0: apid 3 (application processor)
cpu17: AMD Ryzen 9 9955HX 16-Core Processor, 2495.50 MHz, 1a-44-00, patch 0b404024
cpu17: smt 1, core 1, package 0
cpu18 at mainbus0: apid 5 (application processor)
cpu18: AMD Ryzen 9 9955HX 16-Core Processor, 2495.60 MHz, 1a-44-00, patch 0b404024
cpu18: smt 1, core 2, package 0
cpu19 at mainbus0: apid 7 (application processor)
cpu19: AMD Ryzen 9 9955HX 16-Core Processor, 2495.59 MHz, 1a-44-00, patch 0b404024
cpu19: smt 1, core 3, package 0
cpu20 at mainbus0: apid 9 (application processor)
cpu20: AMD Ryzen 9 9955HX 16-Core Processor, 2495.51 MHz, 1a-44-00, patch 0b404024
cpu20: smt 1, core 4, package 0
cpu21 at mainbus0: apid 11 (application processor)
cpu21: AMD Ryzen 9 9955HX 16-Core Processor, 2495.67 MHz, 1a-44-00, patch 0b404024
cpu21: smt 1, core 5, package 0
cpu22 at mainbus0: apid 13 (application processor)
cpu22: AMD Ryzen 9 9955HX 16-Core Processor, 2495.54 MHz, 1a-44-00, patch 0b404024
cpu22: smt 1, core 6, package 0
cpu23 at mainbus0: apid 15 (application processor)
cpu23: AMD Ryzen 9 9955HX 16-Core Processor, 2495.55 MHz, 1a-44-00, patch 0b404024
cpu23: smt 1, core 7, package 0
cpu24 at mainbus0: apid 17 (application processor)
cpu24: AMD Ryzen 9 9955HX 16-Core Processor, 2495.59 MHz, 1a-44-00, patch 0b404024
cpu24: smt 1, core 8, package 0
cpu25 at mainbus0: apid 19 (application processor)
cpu25: AMD Ryzen 9 9955HX 16-Core Processor, 2495.70 MHz, 1a-44-00, patch 0b404024
cpu25: smt 1, core 9, package 0
cpu26 at mainbus0: apid 21 (application processor)
cpu26: AMD Ryzen 9 9955HX 16-Core Processor, 2495.57 MHz, 1a-44-00, patch 0b404024
cpu26: smt 1, core 10, package 0
cpu27 at mainbus0: apid 23 (application processor)
cpu27: AMD Ryzen 9 9955HX 16-Core Processor, 2495.62 MHz, 1a-44-00, patch 0b404024
cpu27: smt 1, core 11, package 0
cpu28 at mainbus0: apid 25 (application processor)
cpu28: AMD Ryzen 9 9955HX 16-Core Processor, 2495.68 MHz, 1a-44-00, patch 0b404024
cpu28: smt 1, core 12, package 0
cpu29 at mainbus0: apid 27 (application processor)
cpu29: AMD Ryzen 9 9955HX 16-Core Processor, 2495.74 MHz, 1a-44-00, patch 0b404024
cpu29: smt 1, core 13, package 0
cpu30 at mainbus0: apid 29 (application processor)
cpu30: AMD Ryzen 9 9955HX 16-Core Processor, 2495.69 MHz, 1a-44-00, patch 0b404024
cpu30: smt 1, core 14, package 0
cpu31 at mainbus0: apid 31 (application processor)
cpu31: AMD Ryzen 9 9955HX 16-Core Processor, 2495.81 MHz, 1a-44-00, patch 0b404024
cpu31: smt 1, core 15, package 0
ioapic0 at mainbus0: apid 32 pa 0xfec00000, version 21, 24 pins, can't remap
ioapic1 at mainbus0: apid 33 pa 0xfec01000, version 21, 32 pins, can't remap
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (GPP2)
acpiprt2 at acpi0: bus -1 (GPP3)
acpiprt3 at acpi0: bus -1 (GPP4)
acpiprt4 at acpi0: bus -1 (GPP5)
acpiprt5 at acpi0: bus -1 (GPP6)
acpiprt6 at acpi0: bus 3 (GPP9)
acpiprt7 at acpi0: bus 4 (GPPA)
acpiprt8 at acpi0: bus -1 (GPPG)
acpiprt9 at acpi0: bus -1 (GPPH)
acpiprt10 at acpi0: bus 1 (GP17)
acpiprt11 at acpi0: bus -1 (GP18)
acpiprt12 at acpi0: bus 2 (GP19)
acpiprt13 at acpi0: bus -1 (GPP0)
acpiprt14 at acpi0: bus 7 (GPP1)
acpiprt15 at acpi0: bus 5 (GPP7)
acpiprt16 at acpi0: bus 6 (GPP8)
acpipci0 at acpi0 PCI0: 0x00000010 0x00000011 0x00000000
acpicmos0 at acpi0
acpibtn0 at acpi0: PWRB
amdgpio0 at acpi0 GPIO uid 0 addr 0xfed81500/0x400 irq 7, 184 pins
"MSFT0200" at acpi0 not configured
"PNP0C14" at acpi0 not configured
acpicpu0 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu1 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu2 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu3 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu4 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu5 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu6 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu7 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu8 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu9 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu10 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu11 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu12 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu13 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu14 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu15 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu16 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu17 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu18 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu19 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu20 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu21 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu22 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu23 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu24 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu25 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu26 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu27 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu28 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu29 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu30 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpicpu31 at acpi0: C3(0@350 io@0x415), C2(0@18 io@0x414), C1(0@1 mwait), PSS
acpipwrres0 at acpi0: PWR1, resource for GPP2
acpipwrres1 at acpi0: PWR1, resource for GPP0
cpu0: 2495 MHz: speeds: 2500 1500 MHz
pci0 at mainbus0 bus 0
ksmn0 at pci0 dev 0 function 0 "AMD 19h/6xh Root Complex" rev 0x00
"AMD 19h/6xh IOMMU" rev 0x00 at pci0 dev 0 function 2 not configured
pchb0 at pci0 dev 1 function 0 "AMD 19h/6xh Host" rev 0x00
ppb0 at pci0 dev 1 function 2 "AMD 19h/6xh PCIE" rev 0x00: msi
pci1 at ppb0 bus 7
nvme0 at pci1 dev 0 function 0 "Samsung PM9C1" rev 0x00: msix, NVMe 2.0
nvme0: Samsung SSD 990 PRO 4TB, firmware 4B2QJXD7, serial S7DPNU0Y717599T
scsibus1 at nvme0: 2 targets, initiator 0
sd0 at scsibus1 targ 1 lun 0: <NVMe, Samsung SSD 990, 4B2Q>
sd0: 3815447MB, 512 bytes/sector, 7814037168 sectors
pchb1 at pci0 dev 2 function 0 "AMD 19h/6xh Host" rev 0x00
ppb1 at pci0 dev 2 function 1 "AMD 19h/6xh PCIE" rev 0x00: msi
pci2 at ppb1 bus 5
ixl0 at pci2 dev 0 function 0 "Intel X710 SFP+" rev 0x02: port 1, FW 9.120.73026 API 1.15, msix, 8 queues, address 38:05:25:34:dc:51
ixl1 at pci2 dev 0 function 1 "Intel X710 SFP+" rev 0x02: port 0, FW 9.120.73026 API 1.15, msix, 8 queues, address 38:05:25:34:dc:52
ppb2 at pci0 dev 2 function 2 "AMD 19h/6xh PCIE" rev 0x00: msi
pci3 at ppb2 bus 6
iwx0 at pci3 dev 0 function 0 "Intel Wi-Fi 6 AX210" rev 0x1a, msix
pchb2 at pci0 dev 3 function 0 "AMD 19h/6xh Host" rev 0x00
ppb3 at pci0 dev 3 function 1 "AMD 19h/6xh PCIE" rev 0x00: msi
pci4 at ppb3 bus 3
rge0 at pci4 dev 0 function 0 "Realtek RTL8125" rev 0x05: msix: RTL8125B, address 38:05:25:34:dc:4f
ppb4 at pci0 dev 3 function 2 "AMD 19h/6xh PCIE" rev 0x00: msi
pci5 at ppb4 bus 4
igc0 at pci5 dev 0 function 0 "Intel I226-V" rev 0x04, msix, 4 queues, address 38:05:25:34:dc:50
pchb3 at pci0 dev 4 function 0 "AMD 19h/6xh Host" rev 0x00
pchb4 at pci0 dev 8 function 0 "AMD 19h/6xh Host" rev 0x00
ppb5 at pci0 dev 8 function 1 "AMD 19h/6xh PCIE" rev 0x00
pci6 at ppb5 bus 1
amdgpu0 at pci6 dev 0 function 0 "ATI Granite Ridge" rev 0xd8
drm0 at amdgpu0
amdgpu0: msi
azalia0 at pci6 dev 0 function 1 "ATI Van Gogh HD Audio" rev 0x00: msi
azalia0: no supported codecs
ccp0 at pci6 dev 0 function 2 "AMD 17h/90h Crypto" rev 0x00
xhci0 at pci6 dev 0 function 3 "AMD 19h/6xh xHCI" rev 0x00: msix, xHCI 1.20
usb0 at xhci0: USB revision 3.0
uhub0 at usb0 configuration 1 interface 0 "AMD xHCI root hub" rev 3.00/1.00 addr 1
xhci1 at pci6 dev 0 function 4 "AMD 19h/6xh xHCI" rev 0x00: msix, xHCI 1.20
usb1 at xhci1: USB revision 3.0
uhub1 at usb1 configuration 1 interface 0 "AMD xHCI root hub" rev 3.00/1.00 addr 1
azalia1 at pci6 dev 0 function 6 "AMD 17h/1xh HD Audio" rev 0x00: msi
azalia1: codecs: Conexant/0x1f87
audio0 at azalia1
ppb6 at pci0 dev 8 function 3 "AMD 19h/6xh PCIE" rev 0x00
pci7 at ppb6 bus 2
xhci2 at pci7 dev 0 function 0 "AMD 19h/6xh xHCI" rev 0x00: msix, xHCI 1.20
usb2 at xhci2: USB revision 3.0
uhub2 at usb2 configuration 1 interface 0 "AMD xHCI root hub" rev 3.00/1.00 addr 1
piixpm0 at pci0 dev 20 function 0 "AMD FCH SMBus" rev 0x71: polling
iic0 at piixpm0
iic1 at piixpm0
pcib0 at pci0 dev 20 function 3 "AMD FCH LPC" rev 0x51
pchb5 at pci0 dev 24 function 0 "AMD 19h/6xh Data Fabric" rev 0x00
pchb6 at pci0 dev 24 function 1 "AMD 19h/6xh Data Fabric" rev 0x00
pchb7 at pci0 dev 24 function 2 "AMD 19h/6xh Data Fabric" rev 0x00
pchb8 at pci0 dev 24 function 3 "AMD 19h/6xh Data Fabric" rev 0x00
pchb9 at pci0 dev 24 function 4 "AMD 19h/6xh Data Fabric" rev 0x00
pchb10 at pci0 dev 24 function 5 "AMD 19h/6xh Data Fabric" rev 0x00
pchb11 at pci0 dev 24 function 6 "AMD 19h/6xh Data Fabric" rev 0x00
pchb12 at pci0 dev 24 function 7 "AMD 19h/6xh Data Fabric" rev 0x00
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
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: SVM/RVI
efifb at mainbus0 not configured
uhub3 at uhub1 port 2 configuration 1 interface 0 "GenesysLogic USB2.1 Hub" rev 2.10/6.63 addr 2
uhub4 at uhub1 port 4 configuration 1 interface 0 "GenesysLogic USB3.1 Hub" rev 3.20/6.63 addr 3
ugen0 at uhub2 port 1 "Intel Bluetooth" rev 2.01/0.00 addr 2
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (f99de81294595750.a) swap on sd0b dump on sd0b
iwx0: hw rev 0x420, fw 77.f92b5fed.0, pnvm 285b3568, address e0:d5:5d:9c:43:4d
amdgpu0: IP DISCOVERY GC 10.3.6 2 CU rev 0x01
drm:pid0:generic_reg_wait *WARNING* [drm] REG_WAIT timeout 1us * 100000 tries - optc31_disable_crtc line:147
amdgpu0: 3840x2160, 32bpp
wsdisplay0 at amdgpu0 mux 1: console (std, vt100 emulation), using wskbd0
wsdisplay0: screen 1-5 added (std, vt100 emulation)