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Date:      Tue, 3 Jun 1997 11:47:05 -0400
From:      "Amir Y. Rosenblatt" <amir@neuron.net>
To:        questions@freebsd.org
Subject:   Boot problems
Message-ID:  <19970603114705.28610@neuron.net>

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(Apologies if you've already seen this -- my mailer's been acting weird so
 I wasn't sure if it actually went out)


Last night I accidentally banged my 2.2.1-stable box (full machine specs
listed below) and biffed the scsi bus.  I gave it a couple minutyes to try
and recover, and when that failed I powered it down and then back up.  It
posted fine gave me the full FreeBSD boot prompt and then when I hit
<RETURN> it printed the following and then hung:

  dosdev = 80, biosdrive = 0, unit = 0, maj = 0
  /

The slash did not start turening or anything -- it just sat.  On a
subsequent boot attempt I tried specifying:

  1:sd(0,a)kernel

as was suggested in the boot prompt and it did the following:

  dosdev = 81, biosdrive = 0, unit = 0, maj = 4

I then rebooted and used the SCSI-Select BIOS utility in my 2940UW to run
media checks on both disks -- the hardware checks came up clean.  

Next, I attempted to boot off a DOS boot floppy.  The light on the floppy
drive stayed on from powerup until I shut the machine off, but it never
read anything off the floppy and totally ignored it in the boot sequence
(and yes, the boot sequence is set to 'A,C' in the system BIOS).  I'm
pretty stumped at this point.  If it would boot from the floppy then I
would guess it was data corruption on the boot HD but this is too weird.
Any suggestions would be greatly appreciated.

Machine specs:

P120
Asus motherboard (I forget the model now)
64 meg RAM
3Com 3c509 ethernet adapter
Adaptec 2940UW SCSI adapter
2 Seagate Baraccuda 2 gig F/W hard drives (ST35509 or something to that
effect).
Number Nine "Imagine 128" 4 meg video card
Samsung SyncMaster 17GLsi 17" monitor

Thanks in advance,

	-Amir

-- 
Amir Y. Rosenblatt					(212) 448-0333
sr. systems/network administrator 			http://www.i33.com
i33 communications corp.				amir@i33.com



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