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From: Andrew Gallatin <gallatin@cs.duke.edu>
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Date: Mon, 17 Feb 2003 09:22:30 -0500 (EST)
To: Dag-Erling Smorgrav <des@ofug.org>
Cc: alpha@FreeBSD.ORG, current@FreeBSD.ORG
Subject: Re: top-of-tree alpha kernel panics during boot
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Dag-Erling Smorgrav writes:
 > Andrew Gallatin <gallatin@cs.duke.edu> writes:
 > > Can you look at the registers and match $ra with a line number using
 > > addr2line or gdb?  (sorry, forgot if ddb can even look at registers)
 > 
 > Uh, I know *where* it stops since I added the call to Debugger() in
 > the first place.  The problem is figuring out where it was called
 > from, three or four levels up.
 > 

Yeah, if its 3 levels, you're screwed.

You might be able to get some idea of what's happening by enabling KTR
and tracing everything, then dumping the trace buffer at your
breakpoint.

BTW, thanks for persisting in this.  I appreciate it.

Drew



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