From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cthulhu.engr.sgi.com (cthulhu.engr.sgi.com [192.26.80.2]) by neteng.engr.sgi.com (971110.SGI.8.8.8/960327.SGI.AUTOCF) via SMTP id QAA543990 for ; Thu, 29 Jan 1998 16:05:10 -0800 (PST) Return-Path: Received: (from majordomo-owner@localhost) by cthulhu.engr.sgi.com (950413.SGI.8.6.12/960327.SGI.AUTOCF) id QAA29344 for linux-list; Thu, 29 Jan 1998 16:02:47 -0800 Received: from sgi.sgi.com (sgi.engr.sgi.com [192.26.80.37]) by cthulhu.engr.sgi.com (950413.SGI.8.6.12/960327.SGI.AUTOCF) via ESMTP id QAA29339 for ; Thu, 29 Jan 1998 16:02:46 -0800 Received: from rachael.franken.de (rachael.franken.de [193.175.24.38]) by sgi.sgi.com (950413.SGI.8.6.12/970507) via ESMTP id QAA06445 for ; Thu, 29 Jan 1998 16:02:45 -0800 env-from (rachael.franken.de!hub-fue!alpha.franken.de!tsbogend) Received: from hub-fue by rachael.franken.de via rmail with uucp id for cthulhu.engr.sgi.com!linux; Fri, 30 Jan 1998 01:02:42 +0100 (MET) (Smail-3.2 1996-Jul-4 #4 built DST-Sep-8) Received: by hub-fue.franken.de (Smail3.1.29.1 #35) id m0xy3um-002Oj6C; Fri, 30 Jan 98 01:02 MET Received: (from tsbogend@localhost) by alpha.franken.de (8.8.7/8.8.5) id AAA02373; Fri, 30 Jan 1998 00:00:33 +0100 Message-ID: <19980130000032.48964@alpha.franken.de> Date: Fri, 30 Jan 1998 00:00:32 +0100 From: Thomas Bogendoerfer To: ralf@uni-koblenz.de Cc: linux-mips@fnet.fr, linux@cthulhu.engr.sgi.com Subject: Re: strange problem with my oli M700 References: <19980129212705.29618@alpha.franken.de> <19980129221750.18001@uni-koblenz.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.85 In-Reply-To: <19980129221750.18001@uni-koblenz.de>; from ralf@uni-koblenz.de on Thu, Jan 29, 1998 at 10:17:50PM +0100 Sender: owner-linux@cthulhu.engr.sgi.com Precedence: bulk On Thu, Jan 29, 1998 at 10:17:50PM +0100, ralf@uni-koblenz.de wrote: > On Thu, Jan 29, 1998 at 09:27:05PM +0100, Thomas Bogendoerfer wrote: > > > I'm trying to read the firmware prom of my Olivetti M700 (Magnum 4000 clone). > > When access the address 0x9fc00000 (which is the KSEG0 address of the prom) > > the box freezes immidiately. Does anybody know why ? And how could I access > > the prom otherwise ? > > Did you try uncached accesses via KSEG1? I wouldn't wonder if the used > PROMs can't cope with the bursts generated for filling a cacheline. uncached access works. Thanks. Thomas. -- See, you not only have to be a good coder to create a system like Linux, you have to be a sneaky bastard too ;-) [Linus Torvalds in <4rikft$7g5@linux.cs.Helsinki.FI>]