From owner-freebsd-bugs  Tue May 29 10: 7:50 2001
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From: Søren Schmidt <sos@freebsd.dk>
Message-Id: <200105291705.f4TH5CF06897@freebsd.dk>
Subject: Re: kern/24367: ATA driver finds non-existent drives
In-Reply-To: <200105291700.f4TH05R94639@freefall.freebsd.org>
 "from Ken Lui at May 29, 2001 10:00:05 am"
To: Ken Lui <klui@cup.hp.com>
Date: Tue, 29 May 2001 19:05:12 +0200 (CEST)
Cc: freebsd-bugs@FreeBSD.ORG
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It seems Ken Lui wrote:
> The following reply was made to PR kern/24367; it has been noted by GNATS.
> 
> From: Ken Lui <klui@cup.hp.com>
> To: freebsd-gnats-submit@FreeBSD.org
> Cc:  
> Subject: Re: kern/24367: ATA driver finds non-existent drives
> Date: Tue, 29 May 2001 09:58:15 -0700
> 
>  What constitutes a ghost driver? I still get it on 4.3-stable.

A "ghost" drive is what I call it when the HW leaves bogus 
values in registers/reads bogus values from non existing
registers so that it is impossible to tell if a device is
there or not short of doing a reset and wait and see...

-Søren

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