re: port-sparc/37080: second stage boot loader fails on SparcStation 2

[matthew green <mrg%eterna.com.au@localhost>]

The following reply was made to PR port-sparc/37080; it has been noted by GNATS.

From: matthew green <mrg%eterna.com.au@localhost>
To: Andreas Gustafsson <gson%gson.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, port-sparc-maintainer%netbsd.org@localhost,
    Martin Husemann <martin%duskware.de@localhost>
Subject: re: port-sparc/37080: second stage boot loader fails on SparcStation 2
Date: Sat, 06 Dec 2014 14:46:37 +1100

 Andreas Gustafsson writes:
 > Matthew Green wrote:
 > > i've built a series of /boot programs between netbsd-3 and netbsd-4.
 > > 
 > > 	ftp.netbsd.org:/pub/NetBSD/misc/mrg/sparc-boot/
 > > 
 > > the dates are:
 > > 	
 > > 2005-02-26
 > >         - netbsd-3
 > > 2005-04-28
 > >         - post promlib strings vs. persist 
 > > 2005-06-21
 > >         - post raid boot support
 > > 2005-07-11
 > >         - post dhcp
 > > 2005-08-15
 > >         - post prompatch (and more) fixes
 > > 2006-01-26
 > >         - post clean up
 > > 2006-11-17
 > >         - netbsd-4
 > > 
 > > i'm going to guess either 2005-04-28 or 2005-06-21 are the culprits,
 > > but if you can test any/all of these and tell me which one first fails
 > > that can really narrow down the problem.
 > 
 > Thank you for building these.  I have now tested all of them in
 > sequence, and the bug only affects the last one (2006-11-17).
 > Here's a partial console log showing the transition from working
 > to non-working:
 
 this pretty much indicates that the RAID boot support is at fault,
 but there are a few minor clean up changes in here as well.  i'll
 build a few more to properly confirm which exact change causes the
 problem (and then we can see about solving it :-)
 
 thanks to everyone who tested.
 
 
 .mrg.