Created attachment 226433 [details] screenshot of trap As in #257149, I changed the default to i586, built world+kernel twice in a VM, did installkernel over nfs. Hopefully the screenshot will mean something to someone. The following is dmesg from 11.4: Firmware Error (ACPI): A valid RSDP was not found (20171214/tbxfroot-369) Copyright (c) 1992-2021 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 11.4-STABLE #0 stable/11-n1-27e18c06f-dirty: Mon Jul 12 21:34:42 BST 2021 root@pentium-mmx:/usr/obj/usr/src/sys/PURPLE i386 FreeBSD clang version 10.0.1 (git@github.com:llvm/llvm-project.git llvmorg-10.0.1-0-gef32c611aa2) VT(vga): resolution 640x480 CPU: Pentium/P55C (232.68-MHz 586-class CPU) Origin="GenuineIntel" Id=0x543 Family=0x5 Model=0x4 Stepping=3 Features=0x8003bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC,MMX> real memory = 536870912 (512 MB) avail memory = 481697792 (459 MB) MPTable: <OEM00000 PROD00000000> Event timer "LAPIC" quality 100 FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs FreeBSD/SMP: 2 package(s) Intel Pentium detected, installing workaround for F00F bug ioapic0: Assuming intbase of 0 ioapic0 <Version 1.1> irqs 0-23 on motherboard SMP: AP CPU #1 Launched! random: entropy device external interface kbd1 at kbdmux0 module_register_init: MOD_LOAD (vesa, 0xc18c61c0, 0) error 19 Firmware Error (ACPI): A valid RSDP was not found (20171214/tbxfroot-369) ACPI: Table initialisation failed: AE_NOT_FOUND ACPI: Try disabling either ACPI or apic support. vtvga0: <VT VGA driver> on motherboard cryptosoft0: <software crypto> on motherboard pcib0 pcibus 0 on motherboard pir0: <PCI Interrupt Routing Table: 5 Entries> on motherboard pci0: <PCI bus> on pcib0 isab0: <PCI-ISA bridge> at device 7.0 on pci0 isa0: <ISA bus> on isab0 atapci0: <Intel PIIX3 WDMA2 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf000-0xf00f at device 7.1 on pci0 ata0: <ATA channel> at channel 0 on atapci0 ata1: <ATA channel> at channel 1 on atapci0 3ware device driver for 9000 series storage controllers, version: 3.80.06.003 twa0: <3ware 9000 series Storage Controller> port 0x6400-0x64ff mem 0xe106a000-0xe106a0ff,0xe0000000-0xe07fffff irq 12 at device 17.0 on pci0 twa0: INFO: (0x15: 0x1300): Controller details:: Model 9500S-4LP, 4 ports, Firmware FE9X 2.06.00.009, BIOS BE9X 2.03.01.051 pci0: <processor> at device 18.0 (no driver attached) twa1: <3ware 9000 series Storage Controller> port 0x6800-0x68ff mem 0xe106c000-0xe106c0ff,0xe0800000-0xe0ffffff irq 11 at device 19.0 on pci0 twa1: INFO: (0x15: 0x1300): Controller details:: Model 9500S-4LP, 4 ports, Firmware FE9X 2.08.00.009, BIOS BE9X 2.03.01.052 em0: <Intel(R) PRO/1000 Legacy Network Connection 1.1.0> port 0x6c00-0x6c3f mem 0xe1040000-0xe105ffff,0xe1000000-0xe103ffff irq 15 at device 20.0 on pci0 em0: Ethernet address: 00:04:23:d7:6b:e2 cpu0 on motherboard cpu1 on motherboard unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 unknown: failed to write ivar ISA_IVAR_PNPBIOS_HANDLE on bus isa0, error = 2 pmtimer0 on isa0 attimer0: <AT timer> at port 0x40-0x43 irq 0 pnpid PNP0100 on isa0 Timecounter "i8254" frequency 1193182 Hz quality 0 Event timer "i8254" frequency 1193182 Hz quality 100 atrtc0: <AT realtime clock> at port 0x70-0x71 irq 8 pnpid PNP0b00 on isa0 atrtc0: registered as a time-of-day clock, resolution 1.000000s Event timer "RTC" frequency 32768 Hz quality 0 atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 irq 1 pnpid PNP0303 on isa0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] unknown: <PNP0c01> can't assign resources (memory) uart0: <16550 or compatible> at port 0x3f8-0x3ff irq 4 flags 0x10 pnpid PNP0501 on isa0 fdc0: <Enhanced floppy controller> at port 0x3f2-0x3f5,0x3f7 irq 6 drq 2 pnpid PNP0700 on isa0 fd0: <1440-KB 3.5" drive> on fdc0 drive 0 ppc0: <ECP parallel printer port> at port 0x378-0x37f,0x778-0x77a irq 7 drq 3 pnpid PNP0401 on isa0 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode ppc0: FIFO with 16/16/15 bytes threshold ppbus0: <Parallel port bus> on ppc0 lpt0: <Printer> on ppbus0 lpt0: Interrupt-driven port ppi0: <Parallel I/O> on ppbus0 uart1: <16550 or compatible> at port 0x2f8-0x2ff irq 3 pnpid PNP0501 on isa0 orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xd3fff,0xd4000-0xdffff pnpid ORM0000 on isa0 unknown: <PNP0c01> can't assign resources (memory)
^Triage: note that 12.X is now out of support. To submitter: did this problem ever get resolved?