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From: Karl Denninger <karl@denninger.net>
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Subject: VIA EDEN board-based unit
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I was able to load it successfully off a CD.

The PXE boot fails.  It loads the kernel, and then chokes.  No idea why.

This is what the system identifies as:

Copyright (c) 1992-2007 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 6.2-RELEASE #0: Fri Jan 12 10:40:27 UTC 2007
    root@dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: VIA/IDT Unknown (1196.92-MHz 686-class CPU)
  Origin = "CentaurHauls"  Id = 0x6d0  Stepping = 0
  
Features=0xa7c9baff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,APIC,SEP,MTRR,PGE,CMOV,PAT,
CLFLUSH,ACPI,MMX,FXSR,SSE,SSE2,TM,PBE>
  Features2=0x4181<SSE3,EST,TM2,<b14>>
real memory  = 503316480 (480 MB)
avail memory = 483106816 (460 MB)
MPTable: <TEMPLATE ETEMPLATE   >
ioapic0: Assuming intbase of 0
ioapic0 <Version 0.3> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
cpu0 on motherboard
pcib0: <MPTable Host-PCI bridge> pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
pcib1: <MPTable PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
rl0: <RealTek 8139 10/100BaseTX> port 0xe800-0xe8ff mem 
0xfafffc00-0xfafffcff ir
q 16 at device 8.0 on pci0
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 44:4d:50:02:de:74
atapci0: <GENERIC ATA controller> port 
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc0
0-0xfc0f at device 15.0 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
uhci0: <VIA 83C572 USB controller> port 0xec00-0xec1f irq 20 at device 
16.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
ehci0: <VIA VT6202 USB 2.0 controller> mem 0xfafff800-0xfafff8ff irq 23 
at device 16.4 on pci0
ehci0: [GIANT-LOCKED]
usb1: waiting for BIOS to give up control
usb1: EHCI version 1.0
usb1: companion controller, 2 ports each: usb0
usb1: <VIA VT6202 USB 2.0 controller> on ehci0
usb1: USB revision 2.0
uhub1: VIA EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
isab0: <PCI-ISA bridge> at device 17.0 on pci0
isa0: <ISA bus> on isab0
pcib2: <MPTable PCI-PCI bridge> at device 19.0 on pci0
pci2: <PCI bus> on pcib2
pci2: <multimedia> at device 1.0 (no driver attached)
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xe7000-0xe77ff 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]
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
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
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
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
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: <PNP0c01> can't assign resources (memory)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0400> can't assign resources (port)
unknown: <PNP0c02> can't assign resources (port)
unknown: <PNP0303> can't assign resources (port)
Timecounter "TSC" frequency 1196917408 Hz quality 800
Timecounters tick every 1.000 msec
ad2: 3935MB <InnoDisk Corp. - EDC2000+ H 4GB Ver1.27> at ata1-m

Yes, that's a 4GB "disk on module".  Niiiice.  No fans, no moving parts.

I don't know what I'm doing wrong with the PXE boot though.

Here's what I have configured:

DHCP options set to:
server-identifier fs.denninger.net;
        option root-path "/usr/local/export/pxe";
        filename "pxeboot";

NFS Exports set so that /usr/local/export/pxe is exported

Copied the contents of the local machine's /boot to 
/usr/share/export/pxeboot/boot

Copied pxeboot to /tftpboot and enabled tftpd.

I do not (yet) have the MFSROOT set up, but the kernel should load, yes?

The system gets PXEBOOT, NFS mounts the pxeboot directory off 
/usr/share/export, and loads the kernel.

That's it.  It blows up right then and there; the keyboard is reset, but 
she goes NO further.

Obviously I'm doing something wrong with the PXE configuration, but I'll 
be damned if I can figure out what!

Being able to PXEBOOT these things would be nice..... that would make 
them entirely diskless, which would be awesome.

--
Karl Denninger (karl@denninger.net)
http://www.denninger.net