> I am a FreeBSD Newbie trying to install 5.0, but I will Install any 
> Version that will work, on a Compaq Proliant, Dual 550 MHz with 512 MB 
> RAM, Smart Array 221 RAID Controller with a RAID 5 Array (4 * 18.2GB) 
> drives.   The installation hangs after discovering the SCSI Tape Drive. 
>   With the following message:
> Mounting root from ufs:/dev/md0
> /stand/sysinstall running as init on vty0
> panic: general protection fault
> syncing disks, buffers remaining... panic: bdwrite: buffer is not busy
> Uptime: 20s
> What tricks can I use to get this installed?
> Any help is appreciated. 
> Scott

I'm having problems with Compaq Hardware as well.

I'm mainly interested in how to generate the necessary 
debug/core information, so that others more skilled than 
myself may find the cause of this problem.  I'm not 
sure how to proceed given the boot media is read-only.

Compaq 1850R
Dual PIII 600Mhz *
Adaptec 2940

*same problem happens with single cpu

I've placed the console output at the end of this email.  
I've clipped some of the boot data, the full output can 
be found here: http://ra.dweebsoft.com/console.html

Once the host fails, it locks hard.  Num-lock fails 
to toggle, and Ctrl-Alt-Del won't reboot the host.  
Also, even if no keys are struck, the host fails to 
reboot itself after the reported 15 seconds.

During the boot 
(prior to my specification of set console=comconsole) 
the following error is reported on the vga console

acpi: bad RSDP checksum (224)

FreeBSD 5.0-RELEASE #0: Thu Jan 16 22:16:53 GMT 2003
    [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC
Preloaded elf kernel "/boot/kernel/kernel" at 0xc0a60000.
Preloaded mfs_root "/boot/mfsroot" at 0xc0a600a8.
Timecounter "i8254"  frequency 1193182 Hz
Timecounter "TSC"  frequency 598185546 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (598.19-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x673  Stepping = 3
real memory  = 536854528 (511 MB)
avail memory = 510607360 (486 MB)
Initializing GEOMetry subsystem
Pentium Pro MTRR support enabled
md0: Preloaded image </boot/mfsroot> 4423680 bytes at 0xc062679c
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Intel 82443BX host to PCI bridge (AGP disabled)> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
ahc0: <Adaptec 2940 Ultra SCSI adapter> port 0x2400-0x24ff mem 0xc6ffe000-0xc6ffefff 
irq 5 at device 13.0 on pci0
aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
eisa0: <EISA bus> on motherboard
mainboard0: <CPQ0679 (System Board)> on eisa0 slot 0
Timecounters tick every 10.000 msec
acd0: CDROM <TOSHIBA CD-ROM XM-6102B> at ata0-master PIO3
Waiting 15 seconds for SCSI devices to settle

Fatal trap 18: integer divide fault while in kernel mode
instruction pointer = 0x8:0xc0454102
stack pointer         = 0x10:0xd6a0dce8
frame pointer         = 0x10:0xd6a0dce8
code segment  = base 0x0, limit 0xfffff, type 0x1b
   = DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, IOPL = 0
current process  = 11 (idle)
trap number  = 18
panic: integer divide fault

syncing disks, buffers remaining... 
Uptime: 2s
Automatic reboot in 15 seconds - press a key on the console to abort
  <host unresponsive at this point>

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