From owner-freebsd-hackers Tue Jan 24 22:09:47 1995 Return-Path: hackers-owner Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id WAA02816 for hackers-outgoing; Tue, 24 Jan 1995 22:09:47 -0800 Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.34]) by freefall.cdrom.com (8.6.9/8.6.6) with ESMTP id WAA02810 for ; Tue, 24 Jan 1995 22:09:36 -0800 Received: (from bde@localhost) by godzilla.zeta.org.au (8.6.9/8.6.9) id RAA18320; Wed, 25 Jan 1995 17:07:52 +1100 Date: Wed, 25 Jan 1995 17:07:52 +1100 From: Bruce Evans Message-Id: <199501250607.RAA18320@godzilla.zeta.org.au> To: bde@zeta.org.au, terry@cs.weber.edu Subject: Re: More serial console stuff... Cc: freebsd-hackers@FreeBSD.org, rgrimes@gndrsh.aac.dev.com Sender: hackers-owner@FreeBSD.org Precedence: bulk >For example, say I have no built in controller in the system and two SCSI >controllers that support chaining. >Each SCSI controller has two identical drives on it. >The kernel is loaded via BIOS and is passed drive ID 0x82. >On which controller does this drive reside? >The actual residence of the drive is determined by BIOS chaining order. >The apparent-to-the-kernel residence of the drive is dependent on the >controller probe order. >Now do you see what I mean? It's what I thought I said :-). There is no standard way to decide how the drives are mapped. We're not going to be able to decide without asking the user. Bruce