Bug 257161

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)
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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)