Panic/reboot - a little help.

Sun Apr 9 12:57:02 UTC 2006

My desktop box, which has run very stable for a couple years now using 
which ever version of FreeBSD I've been running at the time, has 
developed a sudden and alarming need to panic. I have two vmcore files 
at this point, but I'm unsure how much actual help they'll be in 
figuring out what's happening because I don't have debugging compiled 
into the kernel (never needed it before!) nor do I actually know exactly 
how to gather any information from them if they *can* still be of use. I 
can tell you this has happened twice now in the past 5 hours. Once I was 
asleep, and once I was reading my email. I'm going to include what I can 
here, any suggestions or ideas what's happening will be a great help.

lauasanf at colossus(~)$ dmesg
Copyright (c) 1992-2005 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 6.0-STABLE #2: Sat Jan 14 12:03:12 CST 2006
    lauasanf at colossus.cotharyus.net:/usr/obj/usr/src/sys/Colossus
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) MP 2000+ (1666.74-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=0xc0480800<SYSCALL,MP,MMX+,3DNow+,3DNow>
real memory  = 536346624 (511 MB)
avail memory = 515342336 (491 MB)
MPTable: <TYAN     PAULANER    >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  1
 cpu1 (AP): APIC ID:  0
ioapic0: Assuming intbase of 0
ioapic0 <Version 1.1> irqs 0-23 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
cpu0 on motherboard
cpu1 on motherboard
pcib0: <Host to PCI bridge> pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
agp0: <AMD 762 host to AGP bridge> port 0x1010-0x1013 mem 
0xf8000000-0xfbffffff,0xf4c00000-0xf4c00fff at device 0.0 on pci0
pcib1: <MPTable PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 5.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <AMD 768 UDMA100 controller> port 
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf000-0xf00f at device 7.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pci0: <bridge> at device 7.3 (no driver attached)
pcib2: <MPTable PCI-PCI bridge> at device 16.0 on pci0
pci2: <PCI bus> on pcib2
ohci0: <OHCI (generic) USB controller> mem 0xf4900000-0xf4900fff irq 19 
at device 0.0 on pci2
ohci0: [GIANT-LOCKED]
usb0: OHCI version 1.0, legacy support
usb0: SMM does not respond, resetting
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: AMD OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0x2000-0x207f mem 
0xf4901000-0xf490107f irq 19 at device 8.0 on pci2
miibus0: <MII bus> on xl0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:e0:81:24:e7:bb
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 
0xc0000-0xc7fff,0xc8000-0xc87ff,0xe0000-0xe3fff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 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 Explorer, device ID 4
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/9 bytes threshold
ppbus0: <Parallel port bus> on ppc0
ppbus0: IEEE1284 device found /NIBBLE/ECP
Probing for PnP devices on ppbus0:
ppbus0: <HEWLETT-PACKARD DESKJET 810C> MLC,PCL,PML
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
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 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0c02> can't assign resources (memory)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0f13> can't assign resources (irq)
unknown: <PNP0401> can't assign resources (port)
Timecounters tick every 1.000 msec
ad0: 43979MB <IBM DTLA-307045 TX6OA6AA> at ata0-master UDMA100
ad2: 38166MB <WDC WD400BB-22CAA0 16.06V16> at ata1-master UDMA100
acd0: DVDR <LITE-ON DVDRW SOHW-832S/VS01> at ata1-slave UDMA33
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
WARNING: /tmp was not properly dismounted
WARNING: /usr was not properly dismounted
/usr: mount pending error: blocks 216 files 5
WARNING: /usr/ports was not properly dismounted
WARNING: /usr/src was not properly dismounted
WARNING: /var was not properly dismounted
cd0 at ata1 bus 0 target 1 lun 0
cd0: <LITE-ON DVDRW SOHW-832S VS01> Removable CD-ROM SCSI-0 device
cd0: 33.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present
drm0: <Matrox G400/G450 (AGP)> mem 
0xf6000000-0xf7ffffff,0xf4800000-0xf4803fff,0xf4000000-0xf47fffff irq 18 
at device 5.0 on pci1
info: [drm] AGP at 0xf8000000 64MB
info: [drm] Initialized mga 3.2.1 20051102

Also, this message comes up when the system saves the vmcore:
Reboot after panic: Page Fault

Thanks in advance for the assistance with this.