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Subject: Re: Debugging kernel
In-Reply-To: <20000310143306.A1286@freebie.lemis.com> from Greg Lehey at "Mar 10, 0 02:33:07 pm"
To: grog@lemis.com (Greg Lehey)
Date: Sun, 12 Mar 2000 00:55:58 -0300 (ART)
Cc: fernando@cursosvirtuales.com.ar, freebsd-questions@freebsd.org
From: "Fernando P. Schapachnik" <fernando@schapachnik.com.ar>
X-OS: FreeBSD 3.4 - http://www.freebsd.org
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En un mensaje anterior Greg Lehey escribió:
> > (kgdb) exec-file kernel.2
> > (kgdb) core-file vmcore.2
> > kernel symbol `IdlePTD' not found.
> > (kgdb) where
> > No stack.
> > (kgdb) symbol-file kernel.debug
> > Reading symbols from kernel.debug...done.
> > (kgdb) where
> > No stack.
> >
> > Any clues?
> 
> This looks like a mismatch between your installation and your gdb.
> Have you done a 'make world'?  You could also try:

For the record:

To solve the problem I did:

symbol-file kernel.debug
exec-file kernel.2
core-file vmcore.2

and where worked...

I can now submit a PR about 3.4 panicing with "pmap_release: freeing held 
page table page" on an AMD K6-2 400 :)


Thanks for all your help!


Fernando P. Schapachnik
fernando@schapachnik.com.ar



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