From owner-freebsd-questions Tue Mar 7 21:07:51 1995 Return-Path: questions-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id VAA12234 for questions-outgoing; Tue, 7 Mar 1995 21:07:51 -0800 Received: from vespucci.iquest.com (vespucci.iquest.com [199.170.120.42]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id VAA12211 for ; Tue, 7 Mar 1995 21:07:33 -0800 Received: from dkelly.iquest.com (n4hhe.iquest.com [204.177.193.231]) by vespucci.iquest.com (8.6.9/8.6.9) with SMTP id XAA20112; Tue, 7 Mar 1995 23:05:55 -0600 Message-ID: Date: Tue, 7 Mar 95 22:14:07 CST From: "David Kelly" Subject: Re: System hangs when changing root device To: "Javier Martin Rueda" , questions@FreeBSD.org X-Mailer: VersaTerm Link v1.1.5 Sender: questions-owner@FreeBSD.org Precedence: bulk >As I said several days ago: > >> I created a boot disk with rawrite (using the "newer" bootdisk from FreeBSD >> 2.0-RELEASE) and everything was probed OK, but after the message "changing >> root device to fd0c" appeared, the computer freezed. > >This is just to say that I changed the motherboard from a PCI+VESA with UMC >chipset to a PCI+VESA with Opti chipset, and things started to work. > >However, then the network card (SMC EtherPower 8432BT PCI) did not work. >This was solved by changing the IRQ from 9 to 11. The computer also has >a serial port in IRQ2, and that must be conflicting with IRQ9. > >Maybe the problem with the old motherboard was also due to some IRQ >conflict, although everything seemed to be probed OK. I must say that I >have a VESA motherboard with UMC chipset at home and it works fine with >FreeBSD 2.0R. > >Just FYI... IRQ2 is IRQ9 on every PC clone since the AT. IRQ2 is used to cascade the upper 8 IRQ's. -- David Kelly N4HHE, n4hhe@amsat.org, dkelly@iquest.com ---------------------------------------------------------------------- The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system.