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Date:      Mon, 29 Nov 1999 12:51:36 -0800
From:      "Jordan K. Hubbard" <jkh@zippy.cdrom.com>
To:        David Gilbert <dgilbert@velocet.ca>
Cc:        stable@FreeBSD.ORG
Subject:   Re: vinum crash... how to proceed. 
Message-ID:  <87232.943908696@zippy.cdrom.com>
In-Reply-To: Your message of "Mon, 29 Nov 1999 15:42:47 EST." <14402.58695.141814.462651@trooper.velocet.net> 

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> Ok... on my 8 drive vinum system, I can cause a crash with a simple
> "du" in a directory which is a copy of a normal usr filesystem.  My
> problem is that the kernel dump (as follows) is less-than-helpful.
> Why is the 5th frame on the stack 0x0?  How do I find out what caused
> the trap() call?

Look at frame 3 - it's quite obvious.  Your crash was caused by a page
fault, and you can consider it as analgous to a signal 10 or signal 11
in usermode.  The driver went wild and attempted to use an address
which wasn't kosher for something. :-)

- Jordan


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