Bug 67688

On trying to do an initial load of FreeBSD 5.2.1, the floppy boot process fails with a kernel panic like this:

usb...
..
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
pci0: <multimedia, audio> at device 31.5 (no driver attached)

Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer     = 0x58:0x2d6c
stack pointer           = 0x10:0xf80
frame pointer           = 0x10:0x0
code segment            = base rxc00f0000, limit 0xffff, type 0x1b
                        = DPL 0, pres 1, def32 0, gran 0
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (swapper)
trap number             = 9
panic: general protection fault
cpuid = 0;
Uptime: 1s

Can't activate Scroll Lock at this point, so can't retreive prior probe messages before this.

Can confirm that hint.acpi.0.disable=1 (appears to be the default setting).

Hardware info:

Motherboard: ASUS P4P800-VM
CPU: Intel P4-3200
2 GB RAM

lspci from old Linux system that currently works fine on this same system:
00:00.0 Host bridge: Intel Corp. 82865G [Springdale-G] Chipset Host Bridge (rev 02)
00:02.0 VGA compatible controller: Intel Corp. 82865G [Springdale-G] Chipset Integrated Graphics Device (rev 02)
00:1d.0 USB Controller: Intel Corp. 82801EB USB (Hub #1) (rev 02)
00:1d.1 USB Controller: Intel Corp. 82801EB USB (Hub #2) (rev 02)
00:1d.2 USB Controller: Intel Corp. 82801EB USB (Hub #3) (rev 02)
00:1d.3 USB Controller: Intel Corp. 82801EB USB EHCI Controller #2 (rev 02)
00:1d.7 USB Controller: Intel Corp. 82801EB USB EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev c2)
00:1f.0 ISA bridge: Intel Corp. 82801EB ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corp. 82801EB ICH5 IDE (rev 02)
00:1f.3 SMBus: Intel Corp. 82801EB SMBus (rev 02)
00:1f.5 Multimedia audio controller: Intel Corp. 82801EB AC'97 Audio (rev 02)
01:08.0 Ethernet controller: Intel Corp. 82801EB (ICH5) PRO/100 VE Ethernet Controller (rev 02)
01:0a.0 Ethernet controller: Linksys Network Everywhere Fast Ethernet 10/100 model NC100 (rev 11)
01:0b.0 FireWire (IEEE 1394): Lucent Microelectronics FW323 (rev 04)

How-To-Repeat: Install kern.flp, power up, sit back.  Swap to mfsroot.flp when prompted.  Watch for kernel panic when OS is first loaded.

Same floppies worked fine on several other (older) machines I have here.