Subject: Bootblocks (was VS4000 SCSI)
To: Anders Magnusson <firstname.lastname@example.org>
From: Matt Thomas <email@example.com>
Date: 04/15/2000 09:10:27
At 08:59 AM 4/15/00 , Anders Magnusson wrote:
> > Thanks. Any idea why disklabel -B and booting doesn't work?
> > >>> boot dka0
> > [several seconds pass...]
> > ?06 HLT INST
> > PC= 00000B15 PSL= 041F0004
>Not directly, but probably it loads the boot block and starts it, and
>then later fails. Try to put in some "halt" in boot/xxboot/start.s and try
>to figure out where it fails.
BTW, why don't the boot blocks just use VMB (aka rom()) to read the disks
instead of having to have disk drivers in the boot blocks? I know that VMS, ELN,
and ULTRIX all used VMB to read the boot blocks and the kernel off the disk.
I don't see why should do anything different...
Matt Thomas Internet: firstname.lastname@example.org
3am Software Foundry WWW URL: http://www.3am-software.com/bio/matt/
Cupertino, CA Disclaimer: I avow all knowledge of this message