hello Lowell,

  thank you for your reply, i wish you could find some solution for me
i tried to google the net, and found many results for atapci1: failed to enable memory mapping!
  but most with no solutions.

  here is the dmesg,



Copyright (c) 1992-2006 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 6.1-RELEASE #0: Thu Aug 17 07:53:54 AST 2006
   [EMAIL PROTECTED]:/usr/src/sys/i386/compile/MYKERNEL
ACPI APIC Table: <INTEL  D945GTP >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 3.40GHz (3406.70-MHz 686-class CPU)
 Origin = "GenuineIntel"  Id = 0xf41  Stepping = 1
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
 Features2=0x641d<SSE3,RSVD2,MON,DS_CPL,CNTX-ID,CX16,<b14>>
 AMD Features=0x20100000<NX,LM>
 Logical CPUs per core: 2
real memory  = 1063669760 (1014 MB)
avail memory = 1031925760 (984 MB)
ioapic0: Changing APIC ID to 2
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <INTEL D945GTP> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_button0: <Sleep Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pci0: <display, VGA> at device 2.0 (no driver attached)
pci0: <multimedia> at device 27.0 (no driver attached)
pcib1: <ACPI PCI-PCI bridge> at device 28.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 28.2 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 28.3 on pci0
pci3: <ACPI PCI bus> on pcib3
uhci0: <UHCI (generic) USB controller> port 0x2080-0x209f irq 23 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <UHCI (generic) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <UHCI (generic) USB controller> port 0x2060-0x207f irq 19 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
usb1: <UHCI (generic) USB controller> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <UHCI (generic) USB controller> port 0x2040-0x205f irq 18 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <UHCI (generic) USB controller> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3: <UHCI (generic) USB controller> port 0x2020-0x203f irq 16 at device 29.3 on pci0
uhci3: [GIANT-LOCKED]
usb3: <UHCI (generic) USB controller> on uhci3
usb3: USB revision 1.0
uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem 0x501c4000-0x501c43ff irq 23 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: <Intel 82801GB/R (ICH7) USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub4: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 8 ports with 8 removable, self powered
pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci4: <ACPI PCI bus> on pcib4
vr0: <VIA VT6105 Rhine III 10/100BaseTX> port 0x1000-0x10ff mem 0x50001000-0x500010ff irq 22 at device 1.0 on pci4
miibus0: <MII bus> on vr0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
vr0: Ethernet address: 00:15:e9:a5:ad:17
fxp0: <Intel 82801GB (ICH7) 10/100 Ethernet> port 0x1100-0x113f mem 0x50000000-0x50000fff irq 20 at device 8.0 on pci4
miibus1: <MII bus> on fxp0
inphy0: <i82562ET 10/100 media interface> on miibus1
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:16:76:68:fa:53
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH7 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x20b0-0x20bf irq 18 at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
atapci1: <Intel ICH7 SATA300 controller> port 0x20c8-0x20cf,0x20ec-0x20ef,0x20c0-0x20c7,0x20e8-0x20eb,0x20a0-0x20af irq 19 at device 31.2 on pci0
atapci1: failed to enable memory mapping!
ata2: <ATA channel 0> on atapci1
ata3: <ATA channel 1> on atapci1
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
ppc0: <ECP parallel printer port> port 0x378-0x37f,0x778-0x77f irq 7 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xcb000-0xcc7ff,0xcc800-0xcd7ff 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]
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
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
Timecounter "TSC" frequency 3406697941 Hz quality 800
Timecounters tick every 1.000 msec
ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding disabled, default to accept, logging unlimited
ad6: 152627MB <WDC WD1600JS-00MHB0 02.01C03> at ata3-master SATA150
Trying to mount root from ufs:/dev/ad6s1a
ukbd0: CHESEN USB Keyboard, rev 1.10/1.10, addr 2, iclass 3/1
kbd2 at ukbd0
uhid0: CHESEN USB Keyboard, rev 1.10/1.10, addr 2, iclass 3/1

> Hello everyone,
>
>  I'm On FreeBSD 6.1R, the box is intel945 extra Dlink NIC
>  P4.3 1G DDR2, 160GB sata.
>
>  running Freeradius, chillispot, MySql 4.1, apache2.
>  acting as NAT and hotspot login.
>
>  there is two diffrent servers with the same specifications.
>
>  Its was working fine starting from day 1 to day 5 uptime.
>  and the other box from day 1 to 3,
>  with almost 30 users as hotspot login.
>
>  On day 5, it had a sudden shutdown, some users called me reported
> there is no internet
>  when i checked the server i discovered the box is off power.
>
>  The second box after 3 days had the same problem.
>
> when i started the power, for both...again it start to work in a goodway.
>
>  I was shocked.. checked messages, dmesg, and almost everything I
> couldnot find any clue
>  in logs.. so
> question 1, How would i check what happened for this power shutting down?

Did the filesystems come up clean?  That would be a hint that the
kernel shut down on purpose.  [I wouldn't expect it, since you said
there were no hints in the logs, but it's worth checking.

Next step is probably to set up a serial console and see if anything
useful is showing up there when the shutdown occurs.  Also try to get
and track any information about system temperature, voltage, and so
on; these kinds of phantom powerdowns are usually power trouble in my
experience.

>  2)
>  in my dmesg and since i was settingup the box, the following error
> was always coming and on
>  single line
>
>  atapci1: failed to enable memory mapping!

I can't find that message in the -STABLE sources.  Admittedly, it was
a very quick search, but are you sure you copied it exactly?
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