Subject: Re: RAM disk and sysinst
To: Ray Phillips <firstname.lastname@example.org>
From: Manuel Bouyer <email@example.com>
Date: 08/02/2001 20:49:34
On Thu, Aug 02, 2001 at 02:24:45PM +1000, Ray Phillips wrote:
> Dear NetBSD/alpha:
> 1) How does the booting sequence in cdhdtape create a RAM disk and populate
> it with a file system and functioning NetBSD system?
The boot sequence doesn't do anything, the ramdisk is inside the
> 2) What sequence of commands does sysinst use to install NetBSD once it's
> been told the desired configuration? I've been able to see some of them at
> the top of the console as they're being performed but it would be good to
> see a complete list.
In the utility menu you you should have an option to activate scripting.
At end of install this will dump a script which the commands used
for the install.
> 3) I've made a CD-ROM containing the NetBSD/alpha installation files which
> will boot an alpha according to the instructions in
> http://www.au.netbsd.org/Documentation/bootcd.html. When booting from this
> CD this sequence is displayed on the console
> NetBSD/alpha 1.5.1 ISO 9660 Primary Bootstrap
> Jumping to entry point...
> NetBSD/alpha 1.5.1 Secondary Bootstrap, Revision 1.10
> (firstname.lastname@example.org, Jun 13 03:11:13 MEST 2001)
> VMS PAL rev: 0x10001052f
> OSF PAL rev: 0x20122
> Switch to OSF PAL code succeeded.
> Boot flags: A
> open netbsd: No such file or directory
> Entering netbsd.gz at 0xfffffc00003010c0...
> [ netbsd ELF symbol table not valid ]
> [ no symbol table formats found ]
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001
> The NetBSD Foundation, Inc. All rights reserved.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
> The Regents of the University of California. All rights reserved.
> "open netbsd: No such file or directory" doesn't appear when I boot from a
> DAT tape (which I copied cdhdtape to) so I guess the instructions at the
> above URL should really say to put a decompressed version of the file
> alpha/installation/instkernel/netbsd.gz named netbsd in the CD's root
It doesn't matter much, as the boot block can boot netbsd.gz if it doens't
> What do the "netbsd ELF symbol table not valid" and "no symbol table
> formats found" messages mean?
The symbol table is used to translate addresses -> functions or variables
names (for things like the debugger). I'm not sure why it's not found here;
maybe the install kernel is stripped.
Manuel Bouyer <email@example.com>