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Date:      Tue, 3 Sep 2002 20:46:45 +1000 (EST)
From:      Bruce Evans <bde@zeta.org.au>
To:        William Bulley <web@merit.edu>
Cc:        Brooks Davis <brooks@one-eyed-alien.net>, <scsi@FreeBSD.ORG>
Subject:   Re: [PATCH] make SCSI_DELAY tunable
Message-ID:  <20020903203940.J6846-100000@gamplex.bde.org>
In-Reply-To: <20020902171959.A28616@web1.merit.edu>

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On Mon, 2 Sep 2002, William Bulley wrote:

> Question: how does one eliminate the (even longer) delay when the
> kernel probes the ATAPCI devices?  I have timed it on my system at
> about 30 seconds.  I have only one device on my IDE chain (CDROM)
> and it always takes FOREVER to decide it (the BIOS?) is happy.  If
> you think 15 seconds is bad for SCSI, this is worse, much worse.

Jumpering the drive to be the master may work best.  I recently needed
to turn off completely unused ata devices in the BIOS to avoid this hang,
but haven't had this problem lately with active ata devices.

Bruce


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