From owner-freebsd-alpha  Thu Feb 20 21:31:13 2003
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Date: Thu, 20 Feb 2003 21:29:36 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: Dag-Erling Smorgrav <des@ofug.org>
Cc: Andrew Gallatin <gallatin@cs.duke.edu>, alpha@FreeBSD.ORG,
	current@FreeBSD.ORG
Subject: Re: top-of-tree alpha kernel panics during boot
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Dag-Erling Smorgrav wrote:
> Andrew Gallatin <gallatin@cs.duke.edu> writes:
> > Damn.  I'm sorry then, I think I've done all I can to try to duplicate
> > it.   Would you mind doing a binary search to find out when your problem
> > started?
> 
> I'd rather not, the machine is essential to my home network and
> downtime affects not only me but also my SO.  And the segfaults seem
> to have gone away as well...  I am now running a ToT kernel w/o pcm,
> and it's already gone halfway through a buildworld without a single
> segfault.

If all you are replacing is the kernel, you should be able to do a
single test in an hour.  If you are willing to spend 8 hours on this,
then you should be able to go back 32 days, for a 1 day increment.
If you are willing to spend 4 hours on it, and you pick a 4 day
increment, you can go back 64 days (2 months).

Do you have a bounding range?  This may not take that much time, or
you can put your SO in a bubble bath on two occasions (8-)), etc.,
and get it solved.

-- Terry

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