Hi Darren,
Alexander Bluhm circulated the following mail  for an errata for OpenBSD...
it will solve your issue,

Thanks,
Alexander Bluhm <[email protected]>

Mon 27 Oct, 18:13 (2 days ago)

Errata patch for syspatch has been released for OpenBSD 7.8.

syspatch(8) is confused by aliased /dev/*rootdisk nodes in the database
generated by dev_mkdb(8).  If syspatch fails (probably because /usr
is not a seperate filesystem), perform these steps:

  sed -e 's/.checkfs/#checkfs/g' /usr/sbin/syspatch > /root/syspatch
  ksh /root/syspatch
  syspatch # re-run new syspatch command as instructed
  rm /root/syspatch
  dev_mkdb

Binary updates for the amd64, arm64 and i386 platform are available
via the syspatch utility.  Source code patches can be found on the
respective errata page:

  https://www.openbsd.org/errata78.html


On Wed, 29 Oct 2025 at 00:20, Darren S. <[email protected]> wrote:
>
> Encountering this issue for the first time on a deployed OpenBSD 7.8 amd64 
> (GENERIC.MP) that has run syspatch without issue for years. This device was 
> recently (~1 week ago or less) upgraded from OpenBSD 7.7 using sysupgrade(8).
>
> # syspatch -c
> 001_syspatch
> 002_xserver
> 003_unbound
> 004_libssl
>
> # syspatch
> Get/Verify syspatch78-001_syspatc... 100% |***** snip *****|  8538       00:00
> Installing patch 001_syspatch
> syspatch: Read-only filesystem, aborting
>
> # echo $?
> 1
>
> In more detail:
>
> # /bin/ksh -x /usr/sbin/syspatch
> + set -e
> + umask 0022
> + export PATH=/usr/bin:/bin:/usr/sbin:/sbin
> + sysctl -n kern.version
> + sed s/^OpenBSD \([1-9][0-9]*\.[0-9]\)\([^ ]*\).*/\1 \2/;q
> + set -A _KERNV -- 7.8
> + let 1 > 1
> + id -u
> + let 0 != 0
> + pgrep -qxf /bin/ksh .*reorder_kernel
> + _OSrev=78
> + 2> /dev/null
> + machine
> + _MIRROR=https://cdn.openbsd.org/pub/OpenBSD/syspatch/7.8/amd64
> + _PATCH_APPLIED=false
> + _PDIR=/var/syspatch
> + mktemp -d -p /tmp syspatch.XXXXXXXXXX
> + _TMP=/tmp/syspatch.bdwCXcTeFw
> + _KARL=false
> + readonly _KERNV _MIRROR _OSrev _PDIR _TMP
> + trap trap_handler EXIT
> + trap exit HUP INT TERM
> + getopts clRr arg
> + shift 0
> + let 0 != 0
> + let OPTIND == 1
> + continue
> + rm -r /var/syspatch/78-001_syspatch
> + ls_missing
> + _PATCHES=001_syspatch
> 002_xserver
> 003_unbound
> 004_libssl
> + apply_patch 78-001_syspatch
> Get/Verify syspatch78-001_syspatc... 100% 
> |********************************************************************************************************************************|
>   8538       00:00
> Installing patch 001_syspatch
> syspatch: Read-only filesystem, aborting
>
>
> I don't understand why this error is occurring as I don't believe any mounted 
> filesystems are read-only. In a previous round of testing I explicitly 
> remounted both partitions read-write, and I also rebooted the device to clear 
> any odd state. Writing to key directories appears to work without error, 
> making it more confusing for me.
>
> # mount
> /dev/sd0a on / type ffs (local)
> /dev/sd0d on /usr/local type ffs (local, nodev, wxallowed)
>
> # cat /etc/fstab
> e9f2e2b690e05a87.a / ffs rw 1 1
> e9f2e2b690e05a87.d /usr/local ffs rw,wxallowed,nodev 1 2
> e9f2e2b690e05a87.b none swap sw
>
> # df -h
> Filesystem     Size    Used   Avail Capacity  Mounted on
> /dev/sd0a     63.8G    7.5G   53.2G    13%    /
> /dev/sd0d     10.8G    1.6G    8.7G    16%    /usr/local
>
> # for d in / /usr/local /var/syspatch; do echo $d; echo foo > ${d}/testfoo; 
> cat ${d}/testfoo; rm -f ${d}/testfoo; done
> /
> foo
> /usr/local
> foo
> /var/syspatch
> foo
>
> This mismatch is the only thing I've noted out of the ordinary, and I'm not 
> sure why dmesg(8) is reporting differently than uname(1) or sysctl(8) -- (7.7 
> vs. 7.8):
>
> # uname -rsm
> OpenBSD 7.8 amd64
>
> # sysctl -n kern.version
> OpenBSD 7.8 (GENERIC.MP) #54: Sun Oct 12 12:58:11 MDT 2025
>     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> # /sbin/dmesg | head -n 2
> OpenBSD 7.7 (GENERIC.MP) #2: Sun Jun 29 09:04:02 MDT 2025
>     
> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> --
> Darren Spruell
> [email protected]
>
>
>
> OpenBSD 7.7 (GENERIC.MP) #2: Sun Jun 29 09:04:02 MDT 2025
>     
> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 8573005824 (8175MB)
> avail mem = 8286720000 (7902MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0
> acpi0 at bios0: ACPI 1.0
> acpi0: sleep states S3 S4 S5
> acpi0: tables DSDT FACP APIC HPET WAET
> acpi0: wakeup devices
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel Xeon Processor (Cascadelake), 2993.76 MHz, 06-55-06
> 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=f7fa3203<SSE3,PCLMUL,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV>
> cpu0: cpuid 6 eax=4<ARAT>
> cpu0: cpuid 7.0 
> ebx=d18307a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,AVX512F,AVX512DQ,CLFLUSHOPT,CLWB,AVX512CD,AVX512BW,AVX512VL>
>  ecx=808<PKU> edx=84000000<IBRS,IBPB,SSBD>
> cpu0: cpuid d.1 eax=1<XSAVEOPT>
> cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=21<LAHF,ABM>
> cpu0: MELTDOWN
> cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 4MB 64b/line 
> 16-way L2 cache, 16MB 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 1000MHz
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: Intel Xeon Processor (Cascadelake), 2993.57 MHz, 06-55-06
> cpu1: smt 1, core 0, package 0
> cpu2 at mainbus0: apid 2 (application processor)
> cpu2: Intel Xeon Processor (Cascadelake), 2993.43 MHz, 06-55-06
> cpu2: smt 0, core 1, package 0
> cpu3 at mainbus0: apid 3 (application processor)
> cpu3: Intel Xeon Processor (Cascadelake), 2993.75 MHz, 06-55-06
> cpu3: smt 1, core 1, package 0
> ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
> acpihpet0 at acpi0: 100000000 Hz
> acpiprt0 at acpi0: bus 0 (PCI0)
> "ACPI0006" at acpi0 not configured
> acpipci0 at acpi0 PCI0
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "QEMU0002" at acpi0 not configured
> "PNP0303" at acpi0 not configured
> "PNP0F13" at acpi0 not configured
> acpicmos0 at acpi0
> "ACPI0010" at acpi0 not configured
> acpicpu0 at acpi0: C1(@1 halt!)
> acpicpu1 at acpi0: C1(@1 halt!)
> acpicpu2 at acpi0: C1(@1 halt!)
> acpicpu3 at acpi0: C1(@1 halt!)
> pvbus0 at mainbus0: KVM
> pvclock0 at pvbus0
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
> pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00
> pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 
> wired to compatibility, channel 1 wired to compatibility
> pciide0: channel 0 disabled (no drives)
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus1 at atapiscsi0: 2 targets
> cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
> uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11
> piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9
> iic0 at piixpm0
> vga1 at pci0 dev 2 function 0 "Bochs VGA" rev 0x02
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
> vio0 at virtio0: 2 queues, address 56:00:03:55:95:d5
> virtio0: msix
> azalia0 at pci0 dev 4 function 0 "Intel 82801I HD Audio" rev 0x03: msi
> azalia0: No codecs found
> virtio1 at pci0 dev 5 function 0 "Qumranet Virtio Storage" rev 0x00
> vioblk0 at virtio1
> virtio1: msix per-VQ
> scsibus2 at vioblk0: 1 targets
> sd0 at scsibus2 targ 0 lun 0: <VirtIO, Block Device, >
> sd0: 163840MB, 512 bytes/sector, 335544320 sectors
> virtio2 at pci0 dev 6 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
> viomb0 at virtio2
> virtio2: apic 0 int 10
> virtio3 at pci0 dev 7 function 0 "Qumranet Virtio RNG" rev 0x00
> viornd0 at virtio3
> virtio3: msix per-VQ
> "Intel 6300ESB WDT" rev 0x00 at pci0 dev 8 function 0 not configured
> isa0 at pcib0
> isadma0 at isa0
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> 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
> usb0 at uhci0: USB revision 1.0
> uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" 
> rev 2.00/0.00 addr 2
> uhidev0: iclass 3/0
> ums0 at uhidev0: 3 buttons, Z dir
> wsmouse1 at ums0 mux 0
> vscsi0 at root
> scsibus3 at vscsi0: 256 targets
> softraid0 at root
> scsibus4 at softraid0: 256 targets
> root on sd0a (e9f2e2b690e05a87.a) swap on sd0b dump on sd0b
> WARNING: / was not properly unmounted
> fd0 at fdc0 drive 1: density unknown
> syncing disks... done
> rebooting...
> OpenBSD 7.8 (RAMDISK_CD) #54: Sun Oct 12 13:03:06 MDT 2025
>     [email protected]:/usr/src/sys/arch/amd64/compile/RAMDISK_CD
> real mem = 8573005824 (8175MB)
> avail mem = 8306888704 (7922MB)
> random: good seed from bootblocks
> mainbus0 at root
> bios0 at mainbus0
> acpi0 at bios0: ACPI 1.0
> acpi0: tables DSDT FACP APIC HPET WAET
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel Xeon Processor (Cascadelake), 2993.59 MHz, 06-55-06
> 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=f7fa3203<SSE3,PCLMUL,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV>
> cpu0: cpuid 6 eax=4<ARAT>
> cpu0: cpuid 7.0 
> ebx=d18307a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,AVX512F,AVX512DQ,CLFLUSHOPT,CLWB,AVX512CD,AVX512BW,AVX512VL>
>  ecx=808<PKU> edx=84000000<IBRS,IBPB,SSBD>
> cpu0: cpuid d.1 eax=1<XSAVEOPT>
> cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=21<LAHF,ABM>
> cpu0: MELTDOWN
> cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 4MB 64b/line 
> 16-way L2 cache, 16MB 64b/line 16-way L3 cache
> cpu0: apic clock running at 1000MHz
> cpu at mainbus0: not configured
> cpu at mainbus0: not configured
> cpu at mainbus0: not configured
> ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
> acpihpet0 at acpi0: 100000000 Hz
> acpiprt0 at acpi0: bus 0 (PCI0)
> "ACPI0006" at acpi0 not configured
> acpipci0 at acpi0 PCI0
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "QEMU0002" at acpi0 not configured
> "PNP0303" at acpi0 not configured
> "PNP0F13" at acpi0 not configured
> acpicmos0 at acpi0
> "ACPI0010" at acpi0 not configured
> acpicpu at acpi0 not configured
> pvbus0 at mainbus0: KVM
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
> "Intel 82371SB ISA" rev 0x00 at pci0 dev 1 function 0 not configured
> pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 
> wired to compatibility, channel 1 wired to compatibility
> pciide0: channel 0 disabled (no drives)
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus0 at atapiscsi0: 2 targets
> cd0 at scsibus0 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
> uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11
> "Intel 82371AB Power" rev 0x03 at pci0 dev 1 function 3 not configured
> vga1 at pci0 dev 2 function 0 "Bochs VGA" rev 0x02
> vga1: aperture needed
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
> vio0 at virtio0: 1 queue, address 56:00:03:55:95:d5
> virtio0: msix per-VQ
> "Intel 82801I HD Audio" rev 0x03 at pci0 dev 4 function 0 not configured
> virtio1 at pci0 dev 5 function 0 "Qumranet Virtio Storage" rev 0x00
> vioblk0 at virtio1
> virtio1: msix per-VQ
> scsibus1 at vioblk0: 1 targets
> sd0 at scsibus1 targ 0 lun 0: <VirtIO, Block Device, >
> sd0: 163840MB, 512 bytes/sector, 335544320 sectors
> virtio2 at pci0 dev 6 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
> virtio2: no matching child driver; not configured
> virtio3 at pci0 dev 7 function 0 "Qumranet Virtio RNG" rev 0x00
> viornd0 at virtio3
> virtio3: msix per-VQ
> "Intel 6300ESB WDT" rev 0x00 at pci0 dev 8 function 0 not configured
> usb0 at uhci0: USB revision 1.0
> uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> isa0 at mainbus0
> pckbc0 at isa0 port 0x60/5 irq 1 irq 12
> pckbd0 at pckbc0 (kbd slot)
> wskbd0 at pckbd0: console keyboard, using wsdisplay0
> uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" 
> rev 2.00/0.00 addr 2
> uhidev0: iclass 3/0
> uhid at uhidev0 not configured
> softraid0 at root
> scsibus2 at softraid0: 256 targets
> root on rd0a swap on rd0b dump on rd0b
> WARNING: CHECK AND RESET THE DATE!
> syncing disks... done
> rebooting...
> OpenBSD 7.8 (GENERIC.MP) #54: Sun Oct 12 12:58:11 MDT 2025
>     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 8573005824 (8175MB)
> avail mem = 8286466048 (7902MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0
> acpi0 at bios0: ACPI 1.0
> acpi0: sleep states S3 S4 S5
> acpi0: tables DSDT FACP APIC HPET WAET
> acpi0: wakeup devices
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel Xeon Processor (Cascadelake), 2993.70 MHz, 06-55-06
> 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=f7fa3203<SSE3,PCLMUL,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV>
> cpu0: cpuid 6 eax=4<ARAT>
> cpu0: cpuid 7.0 
> ebx=d18307a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,AVX512F,AVX512DQ,CLFLUSHOPT,CLWB,AVX512CD,AVX512BW,AVX512VL>
>  ecx=808<PKU> edx=84000000<IBRS,IBPB,SSBD>
> cpu0: cpuid d.1 eax=1<XSAVEOPT>
> cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=21<LAHF,ABM>
> cpu0: MELTDOWN
> cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 4MB 64b/line 
> 16-way L2 cache, 16MB 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 1000MHz
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: Intel Xeon Processor (Cascadelake), 2993.81 MHz, 06-55-06
> cpu1: smt 1, core 0, package 0
> cpu2 at mainbus0: apid 2 (application processor)
> cpu2: Intel Xeon Processor (Cascadelake), 2993.49 MHz, 06-55-06
> cpu2: smt 0, core 1, package 0
> cpu3 at mainbus0: apid 3 (application processor)
> cpu3: Intel Xeon Processor (Cascadelake), 2993.93 MHz, 06-55-06
> cpu3: smt 1, core 1, package 0
> ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
> acpihpet0 at acpi0: 100000000 Hz
> acpiprt0 at acpi0: bus 0 (PCI0)
> "ACPI0006" at acpi0 not configured
> acpipci0 at acpi0 PCI0
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "QEMU0002" at acpi0 not configured
> "PNP0303" at acpi0 not configured
> "PNP0F13" at acpi0 not configured
> acpicmos0 at acpi0
> "ACPI0010" at acpi0 not configured
> acpicpu0 at acpi0: C1(@1 halt!)
> acpicpu1 at acpi0: C1(@1 halt!)
> acpicpu2 at acpi0: C1(@1 halt!)
> acpicpu3 at acpi0: C1(@1 halt!)
> pvbus0 at mainbus0: KVM
> pvclock0 at pvbus0
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
> pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00
> pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 
> wired to compatibility, channel 1 wired to compatibility
> pciide0: channel 0 disabled (no drives)
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus1 at atapiscsi0: 2 targets
> cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
> uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11
> piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9
> iic0 at piixpm0
> vga1 at pci0 dev 2 function 0 "Bochs VGA" rev 0x02
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
> vio0 at virtio0: 2 queues, address 56:00:03:55:95:d5
> virtio0: msix
> azalia0 at pci0 dev 4 function 0 "Intel 82801I HD Audio" rev 0x03: msi
> azalia0: No codecs found
> virtio1 at pci0 dev 5 function 0 "Qumranet Virtio Storage" rev 0x00
> vioblk0 at virtio1
> virtio1: msix per-VQ
> scsibus2 at vioblk0: 1 targets
> sd0 at scsibus2 targ 0 lun 0: <VirtIO, Block Device, >
> sd0: 163840MB, 512 bytes/sector, 335544320 sectors
> virtio2 at pci0 dev 6 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
> viomb0 at virtio2
> virtio2: apic 0 int 10
> virtio3 at pci0 dev 7 function 0 "Qumranet Virtio RNG" rev 0x00
> viornd0 at virtio3
> virtio3: msix per-VQ
> "Intel 6300ESB WDT" rev 0x00 at pci0 dev 8 function 0 not configured
> isa0 at pcib0
> isadma0 at isa0
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> 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
> usb0 at uhci0: USB revision 1.0
> uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" 
> rev 2.00/0.00 addr 2
> uhidev0: iclass 3/0
> ums0 at uhidev0: 3 buttons, Z dir
> wsmouse1 at ums0 mux 0
> vscsi0 at root
> scsibus3 at vscsi0: 256 targets
> softraid0 at root
> scsibus4 at softraid0: 256 targets
> root on sd0a (e9f2e2b690e05a87.a) swap on sd0b dump on sd0b
> fd0 at fdc0 drive 1: density unknown
> syncing disks... done
> rebooting...
> OpenBSD 7.8 (GENERIC.MP) #54: Sun Oct 12 12:58:11 MDT 2025
>     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 8573005824 (8175MB)
> avail mem = 8286482432 (7902MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0
> acpi0 at bios0: ACPI 1.0
> acpi0: sleep states S3 S4 S5
> acpi0: tables DSDT FACP APIC HPET WAET
> acpi0: wakeup devices
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel Xeon Processor (Cascadelake), 2993.45 MHz, 06-55-06
> 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=f7fa3203<SSE3,PCLMUL,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV>
> cpu0: cpuid 6 eax=4<ARAT>
> cpu0: cpuid 7.0 
> ebx=d18307a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,AVX512F,AVX512DQ,CLFLUSHOPT,CLWB,AVX512CD,AVX512BW,AVX512VL>
>  ecx=808<PKU> edx=84000000<IBRS,IBPB,SSBD>
> cpu0: cpuid d.1 eax=1<XSAVEOPT>
> cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=21<LAHF,ABM>
> cpu0: MELTDOWN
> cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 4MB 64b/line 
> 16-way L2 cache, 16MB 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 1000MHz
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: Intel Xeon Processor (Cascadelake), 2993.62 MHz, 06-55-06
> cpu1: smt 1, core 0, package 0
> cpu2 at mainbus0: apid 2 (application processor)
> cpu2: Intel Xeon Processor (Cascadelake), 2993.58 MHz, 06-55-06
> cpu2: smt 0, core 1, package 0
> cpu3 at mainbus0: apid 3 (application processor)
> cpu3: Intel Xeon Processor (Cascadelake), 2993.81 MHz, 06-55-06
> cpu3: smt 1, core 1, package 0
> ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
> acpihpet0 at acpi0: 100000000 Hz
> acpiprt0 at acpi0: bus 0 (PCI0)
> "ACPI0006" at acpi0 not configured
> acpipci0 at acpi0 PCI0
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "QEMU0002" at acpi0 not configured
> "PNP0303" at acpi0 not configured
> "PNP0F13" at acpi0 not configured
> acpicmos0 at acpi0
> "ACPI0010" at acpi0 not configured
> acpicpu0 at acpi0: C1(@1 halt!)
> acpicpu1 at acpi0: C1(@1 halt!)
> acpicpu2 at acpi0: C1(@1 halt!)
> acpicpu3 at acpi0: C1(@1 halt!)
> pvbus0 at mainbus0: KVM
> pvclock0 at pvbus0
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
> pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00
> pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 
> wired to compatibility, channel 1 wired to compatibility
> pciide0: channel 0 disabled (no drives)
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus1 at atapiscsi0: 2 targets
> cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
> uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11
> piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9
> iic0 at piixpm0
> vga1 at pci0 dev 2 function 0 "Bochs VGA" rev 0x02
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
> vio0 at virtio0: 2 queues, address 56:00:03:55:95:d5
> virtio0: msix
> azalia0 at pci0 dev 4 function 0 "Intel 82801I HD Audio" rev 0x03: msi
> azalia0: No codecs found
> virtio1 at pci0 dev 5 function 0 "Qumranet Virtio Storage" rev 0x00
> vioblk0 at virtio1
> virtio1: msix per-VQ
> scsibus2 at vioblk0: 1 targets
> sd0 at scsibus2 targ 0 lun 0: <VirtIO, Block Device, >
> sd0: 163840MB, 512 bytes/sector, 335544320 sectors
> virtio2 at pci0 dev 6 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
> viomb0 at virtio2
> virtio2: apic 0 int 10
> virtio3 at pci0 dev 7 function 0 "Qumranet Virtio RNG" rev 0x00
> viornd0 at virtio3
> virtio3: msix per-VQ
> "Intel 6300ESB WDT" rev 0x00 at pci0 dev 8 function 0 not configured
> isa0 at pcib0
> isadma0 at isa0
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> 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
> usb0 at uhci0: USB revision 1.0
> uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" 
> rev 2.00/0.00 addr 2
> uhidev0: iclass 3/0
> ums0 at uhidev0: 3 buttons, Z dir
> wsmouse1 at ums0 mux 0
> vscsi0 at root
> scsibus3 at vscsi0: 256 targets
> softraid0 at root
> scsibus4 at softraid0: 256 targets
> root on sd0a (e9f2e2b690e05a87.a) swap on sd0b dump on sd0b
> fd0 at fdc0 drive 1: density unknown
> syncing disks... done
> rebooting...
> OpenBSD 7.8 (GENERIC.MP) #54: Sun Oct 12 12:58:11 MDT 2025
>     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 8573005824 (8175MB)
> avail mem = 8286478336 (7902MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0
> acpi0 at bios0: ACPI 1.0
> acpi0: sleep states S3 S4 S5
> acpi0: tables DSDT FACP APIC HPET WAET
> acpi0: wakeup devices
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel Xeon Processor (Cascadelake), 2993.69 MHz, 06-55-06
> 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=f7fa3203<SSE3,PCLMUL,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV>
> cpu0: cpuid 6 eax=4<ARAT>
> cpu0: cpuid 7.0 
> ebx=d18307a9<FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,AVX512F,AVX512DQ,CLFLUSHOPT,CLWB,AVX512CD,AVX512BW,AVX512VL>
>  ecx=808<PKU> edx=84000000<IBRS,IBPB,SSBD>
> cpu0: cpuid d.1 eax=1<XSAVEOPT>
> cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=21<LAHF,ABM>
> cpu0: MELTDOWN
> cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 4MB 64b/line 
> 16-way L2 cache, 16MB 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 1000MHz
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: Intel Xeon Processor (Cascadelake), 2993.51 MHz, 06-55-06
> cpu1: smt 1, core 0, package 0
> cpu2 at mainbus0: apid 2 (application processor)
> cpu2: Intel Xeon Processor (Cascadelake), 2993.91 MHz, 06-55-06
> cpu2: smt 0, core 1, package 0
> cpu3 at mainbus0: apid 3 (application processor)
> cpu3: Intel Xeon Processor (Cascadelake), 2993.64 MHz, 06-55-06
> cpu3: smt 1, core 1, package 0
> ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
> acpihpet0 at acpi0: 100000000 Hz
> acpiprt0 at acpi0: bus 0 (PCI0)
> "ACPI0006" at acpi0 not configured
> acpipci0 at acpi0 PCI0
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "QEMU0002" at acpi0 not configured
> "PNP0303" at acpi0 not configured
> "PNP0F13" at acpi0 not configured
> acpicmos0 at acpi0
> "ACPI0010" at acpi0 not configured
> acpicpu0 at acpi0: C1(@1 halt!)
> acpicpu1 at acpi0: C1(@1 halt!)
> acpicpu2 at acpi0: C1(@1 halt!)
> acpicpu3 at acpi0: C1(@1 halt!)
> pvbus0 at mainbus0: KVM
> pvclock0 at pvbus0
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
> pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00
> pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 
> wired to compatibility, channel 1 wired to compatibility
> pciide0: channel 0 disabled (no drives)
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus1 at atapiscsi0: 2 targets
> cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable
> cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
> uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11
> piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9
> iic0 at piixpm0
> vga1 at pci0 dev 2 function 0 "Bochs VGA" rev 0x02
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
> vio0 at virtio0: 2 queues, address 56:00:03:55:95:d5
> virtio0: msix
> azalia0 at pci0 dev 4 function 0 "Intel 82801I HD Audio" rev 0x03: msi
> azalia0: No codecs found
> virtio1 at pci0 dev 5 function 0 "Qumranet Virtio Storage" rev 0x00
> vioblk0 at virtio1
> virtio1: msix per-VQ
> scsibus2 at vioblk0: 1 targets
> sd0 at scsibus2 targ 0 lun 0: <VirtIO, Block Device, >
> sd0: 163840MB, 512 bytes/sector, 335544320 sectors
> virtio2 at pci0 dev 6 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
> viomb0 at virtio2
> virtio2: apic 0 int 10
> virtio3 at pci0 dev 7 function 0 "Qumranet Virtio RNG" rev 0x00
> viornd0 at virtio3
> virtio3: msix per-VQ
> "Intel 6300ESB WDT" rev 0x00 at pci0 dev 8 function 0 not configured
> isa0 at pcib0
> isadma0 at isa0
> fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
> 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
> usb0 at uhci0: USB revision 1.0
> uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" 
> rev 2.00/0.00 addr 2
> uhidev0: iclass 3/0
> ums0 at uhidev0: 3 buttons, Z dir
> wsmouse1 at ums0 mux 0
> vscsi0 at root
> scsibus3 at vscsi0: 256 targets
> softraid0 at root
> scsibus4 at softraid0: 256 targets
> root on sd0a (e9f2e2b690e05a87.a) swap on sd0b dump on sd0b
> fd0 at fdc0 drive 1: density unknown



-- 
Kindest regards,
Tom Smyth.

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