trap 12 during boot

[Jean-Marc Zucconi <jmz@xxxxxxxxxxxxxx>]

This occured with a world/kernel from yesterday sources:

Booting [/kernel]...               
ACPI autoload failed - no such file or directory
Copyright (c) 2003-2004 The DragonFly Project.
Copyright (c) 1992-2003 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.
DragonFly 1.0-CURRENT #1: Sun Jun 13 11:52:04 CEST 2004
    root@xxxxxxxxxxxxxxxxxxx:/home/src/sys/compile/DFLY
CPU: Pentium II/Pentium II Xeon/Celeron (334.09-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x650  Stepping = 0
  Features=0x183fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory  = 134205440 (131060K bytes)
avail memory = 123269120 (120380K bytes)
Programming 24 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
IOAPIC #0 intpin 18 -> irq 10
IOAPIC #0 intpin 19 -> irq 12
FreeBSD/SMP: Multiprocessor motherboard
 cpu0 (BSP): apic id:  1, version: 0x00040011, at 0xfee00000
 cpu1 (AP):  apic id:  0, version: 0x00040011, at 0xfee00000
 io0 (APIC): apic id:  2, version: 0x00170011, at 0xfec00000
Preloaded elf kernel "/kernel" at 0xc046c000.


Fatal trap 12: page fault while in kernel mode
mp_lock = 00000000; cpuid = 0; lapic.id = 01000000
fault virtual address   = 0x8758b53
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0x8758b53
stack pointer           = 0x10:0xc048ed2c
frame pointer           = 0x10:0xc048ed44
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (swapper)
current thread          = pri 12 
interrupt mask          = net tty bio cam  <- SMP: XXX
kernel: type 12 trap, code=0

CPU0 stopping CPUs: 0x00000002
 stopped
Stopped at      0x8758b53:

Fatal trap 12: page fault while in kernel mode
mp_lock = 00000000; cpuid = 0; lapic.id = 01000000
fault virtual address   = 0x8758b53
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc02f0a50
stack pointer           = 0x10:0xc048eb90
frame pointer           = 0x10:0xc048eb94
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (swapper)
current thread          = pri 12 
interrupt mask          = net tty bio cam  <- SMP: XXX
      kernel: type 12 trap, code=0
db> 

Jean-Marc

-- 
Jean-Marc Zucconi -- PGP Key: finger jmz@xxxxxxxxxxx [KeyID: 400B38E9]