From owner-freebsd-hackers@FreeBSD.ORG  Wed Jul  2 16:50:43 2008
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Date: Wed, 2 Jul 2008 18:50:42 +0200
From: "=?ISO-8859-1?Q?Fernando_Apestegu=EDa?=" <fernando.apesteguia@gmail.com>
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Subject: FreeBSD 7 64 bits kernel crash debugging
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Hi all,

I'm experiencing several kernel crashes with the GENERIC kernel and
with custom kernels as well. One of my MP3 players seems to be
recognized, but if I disconnect it from the USB port (even without
mounting the device), I got a kernel crash.

I've tried to follow the instructions at
http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html
I have dumpdev and dumpdir properly set to my swap partition (ad0s2b)
and to /var/crash.

However, during the next boot, I got a message that indicates it is
looking for a dump on such device but it couldn't find any.

How can I track this error?

Thanks in advance.