From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: Re: C3 support w/o ARB_DIS (P4-M on i845) Date: 14 May 2004 02:49:54 -0400 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <1084517394.12353.273.camel@dhcppc4> References: <20040512102527.GA8050@hell.org.pl> <20040512160353.GA7906@dominikbrodowski.de> <20040512195546.GA19939@hell.org.pl> <20040513120848.GA8406@dominikbrodowski.de> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20040513120848.GA8406-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Dominik Brodowski Cc: ACPI Developers List-Id: linux-acpi@vger.kernel.org > On the other hand, your BIOS / hardware vendor likely disallowed C3 > for a reason, e.g. some hardware which doesn't work flawlessly with ARB_DIS. > Note, for example, that the ipw2100 project ( http://ipw2100.sf.net ) > suffers from some strange C3-related errors. I believe that this is a device-specific issue caused by inability to deal with DMA buffer overflow/underruns that occur due to the delays related to coming out of C3. -Len ------------------------------------------------------- This SF.Net email is sponsored by: SourceForge.net Broadband Sign-up now for SourceForge Broadband and get the fastest 6.0/768 connection for only $19.95/mo for the first 3 months! http://ads.osdn.com/?ad_id=2562&alloc_id=6184&op=click