Re: how to interpret crash?

From: Daniel O'Connor (doconnor_at_gsoft.com.au)
Date: 05/28/04

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    To: Robert Watson <rwatson@freebsd.org>
Date: Thu, 27 May 2004 14:51:44 -1000

    On Thu, 2004-05-27 at 13:55, Robert Watson wrote:
    > I don't debate your basic point that on a stable system, you're least
    > likely to find the symbols when you most need them, as the system will run
    > fine for a long time and then run into some edge case, unusual hardware
    > failure mode, or whatever, and given that it's been stable for years, you
    > will find yourself with little debugging recourse. That's where tricks
    > like using nm to track down the symbols, turning on dumps by default,
    > compiling with the necessary DDB bits to generate a stack trace, etc, can
    > come in quite handy.

    I think turning on dumps by default is a good habit for sys admins to
    get into :)

    If the system dies and cores then you can rebuild your kernel with
    debugging symbols and see where it died. At least that's _supposed_ to
    work from what I've heard :) 

    -- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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