I'm probably doing something wrong, but anyway: I've (auto)installed the current amd64 snapshot: Build date: 1546747502 - Sun Jan 6 04:05:02 UTC 2019 however, after rebooting it hangs at:
... cpu0: apic clock running at 200MHz cpu0: mwait min=64, max=64, IBE cpu1 at mainbus0: apid 1 (application processor) amd64 6.4 release boots fine (and seems to run fine too, I only just installed it), here's the dmesg: OpenBSD 6.4 (GENERIC.MP) #364: Thu Oct 11 13:30:23 MDT 2018 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 8572567552 (8175MB) avail mem = 8303484928 (7918MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.5 @ 0x9f000 (64 entries) bios0: vendor American Megatrends Inc. version "1007" date 03/25/2010 bios0: ASUSTeK Computer INC. M4A88TD-M acpi0 at bios0: rev 2 acpi0: sleep states S0 S1 S3 S4 S5 acpi0: tables DSDT FACP APIC MCFG OEMB HPET SSDT acpi0: wakeup devices PCE2(S4) PCE3(S4) PCE5(S4) PCE6(S4) PCE7(S4) PCE9(S4) PCEA(S4) RLAN(S4) SBAZ(S4) P0PC(S4) GEC_(S4) UHC1(S4) UHC2(S4) USB3(S4) UHC4(S4) USB5(S4) [...] acpitimer0 at acpi0: 3579545 Hz, 32 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: AMD Phenom(tm) II X6 1055T Processor, 2812.81 MHz, 10-0a-00 cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu0: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu0: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu0: AMD erratum 721 detected and fixed cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 200MHz cpu0: mwait min=64, max=64, IBE cpu1 at mainbus0: apid 1 (application processor) cpu1: AMD Phenom(tm) II X6 1055T Processor, 2812.47 MHz, 10-0a-00 cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu1: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu1: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu1: AMD erratum 721 detected and fixed cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 2 (application processor) cpu2: AMD Phenom(tm) II X6 1055T Processor, 2812.47 MHz, 10-0a-00 cpu2: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu2: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu2: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu2: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu2: AMD erratum 721 detected and fixed cpu2: smt 0, core 2, package 0 cpu3 at mainbus0: apid 3 (application processor) cpu3: AMD Phenom(tm) II X6 1055T Processor, 2812.47 MHz, 10-0a-00 cpu3: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu3: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu3: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu3: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu3: AMD erratum 721 detected and fixed cpu3: smt 0, core 3, package 0 cpu4 at mainbus0: apid 4 (application processor) cpu4: AMD Phenom(tm) II X6 1055T Processor, 2812.47 MHz, 10-0a-00 cpu4: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu4: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu4: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu4: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu4: AMD erratum 721 detected and fixed cpu4: smt 0, core 4, package 0 cpu5 at mainbus0: apid 5 (application processor) cpu5: AMD Phenom(tm) II X6 1055T Processor, 2812.47 MHz, 10-0a-00 cpu5: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu5: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu5: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu5: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu5: AMD erratum 721 detected and fixed cpu5: smt 0, core 5, package 0 ioapic0 at mainbus0: apid 6 pa 0xfec00000, version 21, 24 pins acpimcfg0 at acpi0 acpimcfg0: addr 0xe0000000, bus 0-255 acpihpet0 at acpi0: 14318180 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus -1 (P0P1) acpiprt2 at acpi0: bus 1 (PCE2) acpiprt3 at acpi0: bus -1 (PCE3) acpiprt4 at acpi0: bus -1 (PCE5) acpiprt5 at acpi0: bus 2 (PCE6) acpiprt6 at acpi0: bus 3 (PCE9) acpiprt7 at acpi0: bus 4 (PCEA) acpiprt8 at acpi0: bus 5 (P0PC) acpiec0 at acpi0 acpicpu0 at acpi0: C1(@1 halt!), PSS acpicpu1 at acpi0: C1(@1 halt!), PSS acpicpu2 at acpi0: C1(@1 halt!), PSS acpicpu3 at acpi0: C1(@1 halt!), PSS acpicpu4 at acpi0: C1(@1 halt!), PSS acpicpu5 at acpi0: C1(@1 halt!), PSS acpicmos0 at acpi0 aibs0 at acpi0 RTMP RVLT RFAN GGRP GITM SITM acpibtn0 at acpi0: PWRB "PNP0C14" at acpi0 not configured cpu0: 2812 MHz: speeds: 2800 2200 1500 800 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "AMD RS880 Host" rev 0x00 ppb0 at pci0 dev 2 function 0 "AMD RS780 PCIE" rev 0x00: msi pci1 at ppb0 bus 1 vga1 at pci1 dev 0 function 0 vendor "NVIDIA", unknown product 0x016a rev 0xa1 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) ppb1 at pci0 dev 6 function 0 "AMD RS780 PCIE" rev 0x00: msi pci2 at ppb1 bus 2 em0 at pci2 dev 0 function 0 "Intel 82574L" rev 0x00: msi, address 00:1b:21:78:d3:36 ppb2 at pci0 dev 9 function 0 "AMD RS780 PCIE" rev 0x00: msi pci3 at ppb2 bus 3 pciide0 at pci3 dev 0 function 0 "VIA VT6415 IDE" rev 0x00: ATA133, channel 0 wired to native-PCI, channel 1 wired to native-PCI pciide0: using apic 6 int 17 for native-PCI interrupt pciide0: channel 0 disabled (no drives) pciide0: channel 1 disabled (no drives) ppb3 at pci0 dev 10 function 0 "AMD RS780 PCIE" rev 0x00: msi pci4 at ppb3 bus 4 re0 at pci4 dev 0 function 0 "Realtek 8168" rev 0x06: RTL8168E/8111E (0x2c00), msi, address e0:cb:4e:cf:4a:00 rgephy0 at re0 phy 7: RTL8169S/8110S/8211 PHY, rev. 4 ahci0 at pci0 dev 17 function 0 "ATI SBx00 SATA" rev 0x40: apic 6 int 19, AHCI 1.2 ahci0: port 0: 3.0Gb/s ahci0: port 1: 3.0Gb/s scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 0 lun 0: <ATA, SAMSUNG HD103SJ, 1AJ1> SCSI3 0/direct fixed naa.50024e9203b8a76b sd0: 953869MB, 512 bytes/sector, 1953525168 sectors sd1 at scsibus1 targ 1 lun 0: <ATA, WDC WD1001FALS-4, 05.0> SCSI3 0/direct fixed naa.50014ee204fc992e sd1: 953869MB, 512 bytes/sector, 1953525168 sectors ohci0 at pci0 dev 18 function 0 "ATI SB700 USB" rev 0x00: apic 6 int 18, version 1.0, legacy support ehci0 at pci0 dev 18 function 2 "ATI SB700 USB2" rev 0x00: apic 6 int 17 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00 addr 1 ohci1 at pci0 dev 19 function 0 "ATI SB700 USB" rev 0x00: apic 6 int 18, version 1.0, legacy support ehci1 at pci0 dev 19 function 2 "ATI SB700 USB2" rev 0x00: apic 6 int 17 usb1 at ehci1: USB revision 2.0 uhub1 at usb1 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00 addr 1 piixpm0 at pci0 dev 20 function 0 "ATI SBx00 SMBus" rev 0x41: polling iic0 at piixpm0 sdtemp0 at iic0 addr 0x18: se97 sdtemp1 at iic0 addr 0x19: se97 sdtemp2 at iic0 addr 0x1a: cat34ts02 sdtemp3 at iic0 addr 0x1b: cat34ts02 spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM ECC PC3-10600 with thermal sensor spdmem1 at iic0 addr 0x51: 2GB DDR3 SDRAM ECC PC3-10600 with thermal sensor spdmem2 at iic0 addr 0x52: 2GB DDR3 SDRAM ECC PC3-10600 with thermal sensor spdmem3 at iic0 addr 0x53: 2GB DDR3 SDRAM ECC PC3-10600 with thermal sensor pciide1 at pci0 dev 20 function 1 "ATI SB700 IDE" rev 0x40: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility wd0 at pciide1 channel 0 drive 1: <WDC WD400BD-60LRA0> wd0: 16-sector PIO, LBA48, 38166MB, 78165360 sectors wd0(pciide1:0:1): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5 azalia0 at pci0 dev 20 function 2 "ATI SBx00 HD Audio" rev 0x40: apic 6 int 16 azalia0: codecs: Realtek/0x0892 audio0 at azalia0 pcib0 at pci0 dev 20 function 3 "ATI SB700 ISA" rev 0x40 ppb4 at pci0 dev 20 function 4 "ATI SB600 PCI" rev 0x40 pci5 at ppb4 bus 5 ohci2 at pci0 dev 20 function 5 "ATI SB700 USB" rev 0x00: apic 6 int 18, version 1.0, legacy support ohci3 at pci0 dev 22 function 0 "ATI SB700 USB" rev 0x00: apic 6 int 18, version 1.0, legacy support ehci2 at pci0 dev 22 function 2 "ATI SB700 USB2" rev 0x00: apic 6 int 17 usb2 at ehci2: USB revision 2.0 uhub2 at usb2 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00 addr 1 pchb1 at pci0 dev 24 function 0 "AMD AMD64 10h HyperTransport" rev 0x00 pchb2 at pci0 dev 24 function 1 "AMD AMD64 10h Address Map" rev 0x00 pchb3 at pci0 dev 24 function 2 "AMD AMD64 10h DRAM Cfg" rev 0x00 km0 at pci0 dev 24 function 3 "AMD AMD64 10h Misc Cfg" rev 0x00 pchb4 at pci0 dev 24 function 4 "AMD AMD64 10h Link Cfg" rev 0x00 usb3 at ohci0: USB revision 1.0 uhub3 at usb3 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 usb4 at ohci1: USB revision 1.0 uhub4 at usb4 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard, using wsdisplay0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 it0 at isa0 port 0x2e/2: IT8721F rev 3, EC port 0x290 usb5 at ohci2: USB revision 1.0 uhub5 at usb5 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 usb6 at ohci3: USB revision 1.0 uhub6 at usb6 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 uhidev0 at uhub3 port 1 configuration 1 interface 0 "Fujitsu Component Type 6 Keyboard" rev 1.10/2.00 addr 2 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes, country code 33 wskbd1 at ukbd0 mux 1 wskbd1: connecting to wsdisplay0 uhidev1 at uhub3 port 2 configuration 1 interface 0 "Fujitsu Component Type 6 Mouse" rev 1.00/1.02 addr 3 uhidev1: iclass 3/1 ums0 at uhidev1: 3 buttons wsmouse0 at ums0 mux 0 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on wd0a (ae5ff2d8b297097d.a) swap on wd0b dump on wd0b -- Address is valid for this mailing list only.