instant reboot when trying to load recent RELENG_5 kernel

From: Jon Noack <noackjr_at_alumni.rice.edu>
Date: Fri, 15 Oct 2004 16:53:45 -0500
Updated my RELENG_5 machines today and one of them did not survive the 
reboot.  When the loader tries to load the kernel, the machine instantly 
reboots.  I thought it might be due to using CPUTYPE?=athlon-xp in 
/etc/make.conf, but it still happens on a kernel compiled with CPUTYPE 
commented out.  I also tried versions of the loader compiled with and 
without CPUTYPE; both loaders were able to successfully load a kernel 
from 3 days ago but neither of them succeeded with various kernels 
compiled today.

This machine has an Asus A7N266 motherboard and an Athlon XP 1800 
processor.  For a while now it has needed ACPI disabled as it will 
instantly reboot with ACPI enabled.  I was using the latest BIOS (1004) 
but updated the latest beta (1005.005) after this started happening. 
The beta doesn't appear to change anything that I can tell.

The machine also recently developed the annoying habit of not coming 
back up after a reboot.  I have to go power cycle it or press reset. 
This is similar to behavior I've seen on motherboards with dying 
capacitors, but the difference here is that it *always* succeeds when I 
manually power it up/reset it.  Machines with dying capacitors would 
sometimes fail at that time too.

Jon

$ dmesg
Copyright (c) 1992-2004 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 5.3-BETA7 #4: Tue Oct 12 14:36:37 CDT 2004
     root_at_proxy.concordiacrusaders.org:/usr/obj/usr/src/sys/PROXY
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(TM) XP 1800+ (1536.83-MHz 686-class CPU)
   Origin = "AuthenticAMD"  Id = 0x662  Stepping = 2
 
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
   AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory  = 1065271296 (1015 MB)
avail memory = 1036959744 (988 MB)
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> pcibus 0 on motherboard
pir0: <PCI Interrupt Routing Table: 14 Entries> on motherboard
pci0: <PCI bus> on pcib0
$PIR: No matching entry for 0.1.INTA
agp0: <NVIDIA nForce AGP Controller> mem 0xf8000000-0xfbffffff at device 
0.0 on pci0
pci0: <memory, RAM> at device 0.1 (no driver attached)
pci0: <memory, RAM> at device 0.2 (no driver attached)
pci0: <memory, RAM> at device 0.3 (no driver attached)
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
pci0: <serial bus, SMBus> at device 1.1 (no driver attached)
pcib1: <PCIBIOS PCI-PCI bridge> at device 8.0 on pci0
pci1: <PCI bus> on pcib1
$PIR: No matching entry for 1.10.INTA
ahc0: <Adaptec 29160N Ultra160 SCSI adapter> port 0xc800-0xc8ff mem 
0xe5000000-0xe5000fff irq 7 at device 8.0 on pci1
ahc0: [GIANT-LOCKED]
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
fxp0: <Intel 82550 Pro/100 Ethernet> port 0xc400-0xc43f mem 
0xe4000000-0xe401ffff,0xe4800000-0xe4800fff irq 5 at device 10.0 on pci1
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:02:b3:28:44:a0
atapci0: <nVidia nForce UDMA100 controller> port 
0xb800-0xb80f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 9.0 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
pcib2: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
pci2: <PCI bus> on pcib2
pci2: <display, VGA> at device 0.0 (no driver attached)
cpu0 on motherboard
orm0: <ISA Option ROM> at iomem 0xd8000-0xd97ff on isa0
pmtimer0 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse, device ID 3
fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5 irq 6 drq 2 on isa0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0700> can't assign resources (port)
unknown: <PNP0f13> can't assign resources (irq)
ahc1: No resources allocated.
ahc1: No resources allocated.
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0c02> can't assign resources (port)
Timecounter "TSC" frequency 1536825688 Hz quality 800
Timecounters tick every 1.000 msec
ad0: 78533MB <IC35L080AVVA07-0/VA4OA50K> [159560/16/63] at ata0-master 
UDMA100
acd0: DVDROM <LITEON DVD-ROM LTD163D/GHR3> at ata1-master UDMA33
Waiting 15 seconds for SCSI devices to settle
da0 at ahc0 bus 0 target 0 lun 0
da0: <QUANTUM ATLAS V  9 SCA 0201> Fixed Direct Access SCSI-3 device
da0: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged 
Queueing Enabled
da0: 8683MB (17783249 512 byte sectors: 255H 63S/T 1106C)
da1 at ahc0 bus 0 target 1 lun 0
da1: <QUANTUM ATLAS V  9 SCA 0201> Fixed Direct Access SCSI-3 device
da1: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged 
Queueing Enabled
da1: 8683MB (17783249 512 byte sectors: 255H 63S/T 1106C)
Mounting root from ufs:/dev/ad0s1a
Received on Fri Oct 15 2004 - 19:53:52 UTC

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