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Date:      Wed, 14 Feb 1996 08:15:16 +0100 (MET)
From:      J Wunsch <j@uriah.heep.sax.de>
To:        freebsd-scsi@freebsd.org
Cc:        regnauld@tetard.frmug.fr.net (Philippe Regnauld)
Subject:   Re: Warning: SCSI reprobing is hazardous to your health?
Message-ID:  <199602140715.IAA04995@uriah.heep.sax.de>
In-Reply-To: <199602131927.UAA03176@tetard.frmug.fr.net> from "Philippe Regnauld" at Feb 13, 96 08:27:18 pm

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[Moved to freebsd-scsi.]

> 	- Has anybody heard of this kind of behaviour ?  

The reprobe code used to work only on some SCSI controllers.  The NCR
however belongs to them.

> 	- The occasional panic after reprobe -- is that normal (not that
> 	  I will try it out anymore).  

I've never seen this, i've only experienced hard system hangs inside
DELAY().  You don't have any stacktrace or coredump of the panic?
It's hard to say what happened without even a hint on where to search.

The only known problem is configuring the kernel dump area to a swap
partition that starts at offset 0 of the disk.  There's an open PR by
me for it:

[1995/10/26] kern/794      swap partition at offset 0 still broken

The core dump consistently trashes the disklabel in this case.
-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)



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