From owner-freebsd-bugs Sun Jun 25 06:14:01 1995 Return-Path: bugs-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id GAA19390 for bugs-outgoing; Sun, 25 Jun 1995 06:14:01 -0700 Received: from todonix.ping.de (root@todonix.ping.de [193.100.14.43]) by freefall.cdrom.com (8.6.10/8.6.6) with SMTP id GAA19372 for ; Sun, 25 Jun 1995 06:13:42 -0700 Received: by todonix.ping.de (Smail3.1.28.1 #1) id m0sPrSo-00076UC; Sun, 25 Jun 95 15:11 MET DST Message-Id: From: jan@todonix.ping.de (Jan Wedekind) Subject: Re: 2.05R reboot hangs To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes) Date: Sun, 25 Jun 1995 15:11:00 +0200 (MET DST) Cc: bugs@freebsd.org In-Reply-To: <199506231651.JAA10776@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Jun 23, 95 09:51:01 am X-Mailer: ELM [version 2.4 PL23] Content-Type: text Content-Length: 1517 Sender: bugs-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. 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