Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 25 Feb 2003 02:59:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 25 Feb 2003 02:59:38 -0500 Received: from webmail.frogspace.net ([216.222.206.4]:40341 "EHLO webmail.frogspace.net") by vger.kernel.org with ESMTP id ; Tue, 25 Feb 2003 02:59:37 -0500 Message-ID: <1046160591.3e5b24cfb20de@webmail.cogweb.net> Date: Tue, 25 Feb 2003 00:09:51 -0800 From: Peter Nome To: linux-kernel@vger.kernel.org Cc: Krishnakumar B Subject: Re: Linux 2.4.20, Athlon MP and Promise PDC20276 IDE controller MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; Content-Transfer-Encoding: 7BIT User-Agent: Internet Messaging Program (IMP) 3.0 X-Originating-IP: 128.97.184.97 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 599 Lines: 21 Hi Krishnakumar, "Am I right in assuming that Linux doesn't enable DMA on this controller? How do I determine if DMA is enabled for a ide controller apart from relying on the boot message?" As you suspect, you're getting DMA all right -- you see it in the boot message too, as UDMA(133). To confirm, issue hdparm /dev/hde Looks good! Cheers, Peter - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/