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Date:      Wed, 23 Oct 1996 22:34:35 -0700
From:      "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
To:        "Gary Palmer" <gpalmer@freebsd.org>
Cc:        freebsd-stable@freebsd.org, gibbs@freebsd.org
Subject:   Re: Panic (unusual) 
Message-ID:  <199610240534.WAA16187@freefall.freebsd.org>
In-Reply-To: Your message of "Thu, 24 Oct 1996 00:21:30 EDT." <6373.846130890@orion.webspan.net> 

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>By grubbing through the core file manually, I see:
>
>ahc1: ahc_scsi_cmd: more than 256 DMA segs
>sd0: oops not queued
>panic: biodone: buffer not busy

...

>Anyone know:
>
>a) what caused this, and how to prevent it happening again?
>b) how to get any more info out of that core file?

There was either an overflow somewhere in the kernel that caused the
data len to be larger then what can be represented by the aic7xxx
SG list, or you have bad memory that caused the length to get really
large causing the same effect.

>Thanks,
>
>Gary
>--
>Gary Palmer                                          FreeBSD Core Team Member
>FreeBSD: Turning PC's into workstations. See http://www.FreeBSD.ORG/ for info

--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================



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