From owner-freebsd-scsi Tue Sep 3 3:39:39 2002 Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BA65E37B400 for ; Tue, 3 Sep 2002 03:39:37 -0700 (PDT) Received: from mailman.zeta.org.au (mailman.zeta.org.au [203.26.10.16]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9BFCC43E42 for ; Tue, 3 Sep 2002 03:39:36 -0700 (PDT) (envelope-from bde@zeta.org.au) Received: from bde.zeta.org.au (bde.zeta.org.au [203.2.228.102]) by mailman.zeta.org.au (8.9.3/8.8.7) with ESMTP id KAA31172; Tue, 3 Sep 2002 10:39:26 GMT Date: Tue, 3 Sep 2002 20:46:45 +1000 (EST) From: Bruce Evans X-X-Sender: bde@gamplex.bde.org To: William Bulley Cc: Brooks Davis , Subject: Re: [PATCH] make SCSI_DELAY tunable In-Reply-To: <20020902171959.A28616@web1.merit.edu> Message-ID: <20020903203940.J6846-100000@gamplex.bde.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message