From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Subject: Re: could not map ACPI Date: Wed, 22 Jan 2003 16:03:29 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <3E2EB2C1.1010206@symplon.com> References: <3E2D3471.1070307@paceblade.com> <20030121131925.GB14593@poup.poupinou.org> <3E2D5879.6020908@symplon.com> <20030121204235.GJ15023@poup.poupinou.org> <3E2E51FD.3070902@symplon.com> <20030122105316.GK15023@poup.poupinou.org> <3E2E7DBD.5040109@symplon.com> <20030122142525.GA18109@poup.poupinou.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20030122142525.GA18109-j6u/t2rXLliUoIHC/UFpr9i2O/JbrIOy@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Ducrot Bruno Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org > >Well, normally bios inform the OS that the ACPI data region is for >the usage of ACPI, and is located in the 'normal' RAM, no? >Well, it's right also to thing that OSPM can tell then that >regions marked as 'ACPI data' can be used for normal RAM usage. >Perhaps Redmonds OS do that? > >Well, well. I will look if we can (in general, not your perticuliar >problem) use the ACPI data memory when we know that we can >use them. > >Back to your trouble: >Fortunately, we can add a e820 entry in arch/i386/kernel/setup.c >Those, this prevent to make an cruel hack to arch/i386/boot/setup.S >wich should be a little bit more harder.. > >Basically, I add a memory region marked for acpi data use, >in sanitize_e820_map(). > >It's way more easy.. Could you please try without mem=xxx at all? > >I see also that you use 2.4.19. Perhaps this patch will be >OK for 2.4.19 but I am not sure at 100%. > >Cheers, > > > Ok it boots up fine without mem=XX option i get ACPI to load ..... so gimme some time and i ll double check if the system is still crashing or not ... but so far it looks nice ... Rob ------------------------------------------------------- This SF.net email is sponsored by: Scholarships for Techies! Can't afford IT training? All 2003 ictp students receive scholarships. Get hands-on training in Microsoft, Cisco, Sun, Linux/UNIX, and more. www.ictp.com/training/sourceforge.asp