*BSD News Article 64468


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Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Failure to boot after installation
Message-ID: <1996Mar26.200625.21968@roper.uwyo.edu>
From: glass@stanford.edu
Date: 26 Mar 96 20:06:25 MST
Reply-To: Brett_Glass@infoworld.com
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I've just installed FreeBSD on an EISA machine with 20 MB of RAM, an
Ultrastor 24F SCSI controller, and a DEC DSP5200 2 GB hard drive. The
installation produced no error messages (though, oddly, I had to specify an
I/O port and a DMA channel for the SCSI controller when it uses neither; it's
a bus mastering board that accesses RAM directly and uses IRQs to notify
the CPU that something has happened).

In any event, the system now will not boot. This is the third time this has
happened, with two different disk controllers.

What is wrong? I've seen a few messages in various newsgroups stating that
having a 2 GB drive might cause a problem, but the controller is set to
translate that geometry to 969 cylinders, 64 heads, and 63 sectors per
track, so the drive SHOULD look to the system as if it has less than 1024
cylinders.

I'd appreciate all answers, but especially answers from the FreeBSD developers
who might understand the root cause of this problem.

--Brett Glass