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Date:      Sun, 6 Oct 2002 09:16:53 -0700
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        freebsd-current@freebsd.org
Subject:   ACPI == instant panic
Message-ID:  <20021006161653.GA22320@troutmask.apl.washington.edu>

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Enabling acpi leads to an instant panic during boot.
The panic so early that I can't get a dump and the
machine does not have serial console.  The motherboard
is an ASUS A7V-133.  Here's a hand written panic message

Copyright (c) 1992-2002 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 5.0-CURRENT #1: Sat Oct  5 07:33:03 PDT 2002
    kargl@12-230-81-20.client.attbi.com:/usr/obj/usr/src/sys/HOTRATS
Preloaded elf kernel "/boot/kernel/kernel" at 0xc0441000.
Preloaded elf module "/boot/kernel/linux.ko" at 0xc04410a8.
Preloaded elf module "/boot/kernel/miibus.ko" at 0xc0441154.
Preloaded elf module "/boot/kernel/if_rl.ko" at 0xc0441200.
Preloaded elf module "/boot/kernel/snd_pcm.ko" at 0xc04412ac.
Preloaded elf module "/boot/kernel/snd_maestro3.ko" at 0xc0441358.
Preloaded elf module "/boot/kernel/agp.ko" at 0xc044140c.
Timecounter "i8254"  frequency 1193182 Hz
Timecounter "TSC"  frequency 1210791212 Hz
CPU: AMD Athlon(tm) Processor (1210.79-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x642  Stepping = 2
  Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PA
T,PSE36,MMX,FXSR>
  AMD Features=0xffffffffc0440000<RSVD,AMIE,DSP,3DNow!>
real memory  = 134217728 (131072K bytes)
avail memory = 125644800 (122700K bytes)
Pentium Pro MTRR support enabled
VESA: v2.0, 8128k memory, flags:0x0, mode table:0xc036ac02 (1000022)
VESA: ATI MACH64
panic: pmap_mapdev: Couldn't alloc kernel virtual memory

A verbose boot shows the following sequenc of function calls

Debugger
panic
pmap_mapdev
AcpiOsMapMemory
AcpiTbGetThisTable
AcpiTbGetTableBody
AcpiTbGetTableRsdt
AcpiLoadTable
acpi_identify
bus_generic_probe
nexus_attach
device_probe_and attach
probe_and_attach
root_bus_configure
mi_startup

-- 
Steve

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