From owner-freebsd-hackers Sun Jun 25 08:01:03 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id IAA23095 for hackers-outgoing; Sun, 25 Jun 1995 08:01:03 -0700 Received: from campino.informatik.rwth-aachen.de (campino.Informatik.RWTH-Aachen.DE [137.226.225.2]) by freefall.cdrom.com (8.6.10/8.6.6) with SMTP id IAA23089 for ; Sun, 25 Jun 1995 08:00:59 -0700 Received: from gilberto.physik.rwth-aachen.de by campino.informatik.rwth-aachen.de (4.1/campino-7) id AA25623; Sun, 25 Jun 95 17:00:57 +0200 Received: (from kuku@localhost) by gilberto.physik.rwth-aachen.de (8.6.8/8.6.9) id RAA28252; Sun, 25 Jun 1995 17:12:41 +0200 Message-Id: <199506251512.RAA28252@gilberto.physik.rwth-aachen.de> Subject: Re: 2.05R reboot hangs To: jan@todonix.ping.de (Jan Wedekind) Date: Sun, 25 Jun 1995 17:12:41 +0200 (MET DST) Cc: freebsd-hackers@freefall.cdrom.com (user alias) In-Reply-To: from "Jan Wedekind" at Jun 25, 95 03:11:00 pm From: Christoph Kukulies Reply-To: Christoph Kukulies X-Mailer: ELM [version 2.4 PL23] Content-Type: text Content-Length: 2139 Sender: hackers-owner@FreeBSD.org Precedence: bulk > > Hello Rodney, > > > Set your cache to write through mode or expect to get signall 11's at > > random. The board (all version) has a cache write back coherency problem > > when used with bus master PCI devices (the NCR SCSI controller is a > > PCI bus master). > > > > Turn off ISA GAT mode, though you may not need to if you don't have any > > ISA bus masters. > > > ok we did! > > > Properly terminate your SCSI bus. There is *NEVER* a reason to have 3 > > terminators on a scsi bus, plain and simple you are asking for trouble > > if you do that. > > > well, that was not me who has terminated it 3 times; > i double checked it and it is correctly terminated! > Today i changed the cables and IRQ setting; will see the results shortly > (the last 3 hours it worked!) > > > Please tell exactly what the last thing on the screen is after you > > type reboot when the hang occurs (just the last line is all I need). > > > syncing discs ... done. > rebooting. Hhhmm. I'm seeing this too with one of my systems: I type sync ; reboot and after saying 'rebooting' it just hangs. ASUS GX4 board DX2/66, 16MB, AH1542CF floppy disabled,Seagate 31200, ISA disks disabled. AMI (off memory),that blue screen BIOS with two columns. > > then the hang occured. > > > Compile a kernel with: > > # BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to > > # reset the CPU for reboot. This is needed on some systems with broken > > # keyboard controllers. > > options "BROKEN_KEYBOARD_RESET" > > > we did and rebooted several times without a hang! > > the board for your collection: ASUS PCI/I-486SP3G, Rev. 1.8 > > Jan > -- > PING e.V. Jan Wedekind (Kassenwart) jan@ping.de > Emil-Figge-Str. 85 Lindemannstr. 12 kasse@ping.de > 44227 Dortmund 44137 Dortmund vorstand@ping.de > Tel.: 0231 / 97 91 - 0 Tel.: +49 (231) 13 44 04 info@ping.de > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de FreeBSD blues.physik.rwth-aachen.de 2.0-BUILT-19950619 FreeBSD 2.0-BUILT-1995 0619 #1: Mon Jun 19 19:54:08 MET DST 1995 kuku@blues.physik.rwth-aachen.d e:/usr/src/sys/compile/BLUESGUS i386