I've installed a long ago FreeBSD 5.1 on my mother's computer which is a shuttle with nvidia nforce2
The computer crashes for reasons I can't explain.
Since 5.2 was out, I installed it, and the problems
are still consistent.

The problem is that the computer is crashing (freezing or
suddenly rebooting). The problem occurs on both 5.1 and

- In console vga text mode, the computer did not ever crash,
  and I was available to 'make install' via ssh from my home
  a big variety of different programs,
- When I launch X, the problems comes, what ever window
  manager I used, namely WindowMaker and KDE 3.
- Crash can occurs when moving a window, launching an
  application, clicking on a link in a web browser,
- The computer is stable running with X if I don't do
  anything with the GUI. I can still use ssh to administrate
  from my home flawlessly.
- Crashes are very likely to freeze the computer or to make
  it reboot suddenly. Sometimes it will just crash X,
- Sometimes when X crash, I can see that KDE did catch
  a "Bad drawable" error (this is all the local machine, no
  distributed X),
- Sometimes when moving windows, I can see small horizontal
  lines as if the screen was not refreshed well,
- I was thinking that it did come from the kernel modules,
  so I tried :
    - with or without acpi.ko (in 5.1 since acpi
      won't run on 5.2 on this computer now) didn't change,
    - with various X card driver, namely 'vesa', 'nv' and
      'nvidia' from the ports, didn't change
    - I didn't enable sound kernel module for now
- Enabling nvidia.ko in loader.conf always stall computer
  startup after keyboard probe (did not try on 5.2)
- I don't use the onchip network controller (not supported
  in 5.1), and did bought a network controller running
  with sis, flawlessly.

I must admit I'm completely lost with that problem, since
I have the same computer at home, but my mother's computer
was bought 1 year later after mine.

I don't know from where to start, (hardware test, bios
params, bios revision, nforce2 motherboard support) since it
seems I can't find panic log (and I don't know if they exist
anyway). Googling and searching list archive did not
give me more informations.

Any advice will be greatly apreciated.

Many thanks,

Below is my latest 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 5.2-RELEASE #0: Sun Jan 11 04:21:45 GMT 2004
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC
Preloaded elf kernel "/boot/kernel/kernel" at 0xc09e1000.
mptable_probe: MP Config Table has bad signature: F8/I
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) XP 2600+ (2079.56-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x681 Stepping = 1

AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory = 503250944 (479 MB)
avail memory = 479174656 (456 MB)
Pentium Pro MTRR support enabled
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcibios: BIOS version 2.10
Using $PIR table, 5 entries at 0xc00fdf10
pcib0: <Host to PCI bridge> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
agp0: <NVIDIA nForce2 AGP Controller> mem 0xd0000000-0xd3ffffff 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)
pci0: <memory, RAM> at device 0.4 (no driver attached)
pci0: <memory, RAM> at device 0.5 (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)
ohci0: <OHCI (generic) USB controller> mem 0xe0084000-0xe0084fff irq 10 at device 2.0 on pci0
usb0: OHCI version 1.0, legacy support
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: (0x10de) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ums0: Logitech USB-PS/2 Optical Mouse, rev 2.00/11.10, addr 2, iclass 3/1
ums0: 3 buttons and Z dir.
ohci1: <OHCI (generic) USB controller> mem 0xe0082000-0xe0082fff irq 11 at device 2.1 on pci0
usb1: OHCI version 1.0, legacy support
usb1: <OHCI (generic) USB controller> on ohci1
usb1: USB revision 1.0
uhub1: (0x10de) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
pci0: <serial bus, USB> at device 2.2 (no driver attached)
pci0: <multimedia, audio> at device 5.0 (no driver attached)
pci0: <multimedia, audio> at device 6.0 (no driver attached)
pcib1: <PCIBIOS PCI-PCI bridge> at device 8.0 on pci0
pci1: <PCI bus> on pcib1
pci_cfgintr: 1:6 INTA BIOS irq 11
sis0: <NatSemi DP8381[56] 10/100BaseTX> port 0xc000-0xc0ff mem 0xdf000000-0xdf000fff irq 11 at device 6.0 on pci1
sis0: Silicon Revision: DP83815D
sis0: Ethernet address: 00:40:f4:60:74:15
miibus0: <MII bus> on sis0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
atapci0: <nVidia nForce2 UDMA133 controller> port 0xf000-0xf00f at device 9.0 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
pcib2: <PCI-PCI bridge> at device 30.0 on pci0
pci2: <PCI bus> on pcib2
pci2: <display, VGA> at device 0.0 (no driver attached)
pmtimer0 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> at port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
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 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: <PNP0303> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0700> can't assign resources (port)
unknown: <PNP0400> can't assign resources (port)
Timecounter "TSC" frequency 2079558668 Hz quality 800
Timecounters tick every 10.000 msec
GEOM: create disk ad0 dp=0xc44a1360
ad0: 114473MB <ST3120026A> [232581/16/63] at ata0-master UDMA100
acd0: CDRW <SAMSUNG CDRW/DVD SM-352B> at ata0-slave PIO4
Mounting 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 1156 files 2
WARNING: /var was not properly dismounted
sis0: Applying short cable fix (reg=e7)

-- ========================================+=================== Raphael Dinge | Ohm Force DSP developer & Software designer | DA Software mailto:[EMAIL PROTECTED] | www.ohmforce.com ========================================+===================

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