From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Gigabyte GA-MA69VM-S2 can't do 64bit DMA Date: Wed, 16 Sep 2009 19:49:17 +0900 Message-ID: <4AB0C2AD.6020503@gmail.com> References: <4AAE8252.8000206@web.de> <4AAFE66D.8050807@gmail.com> <4AB0ADB2.8090009@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-yw0-f180.google.com ([209.85.211.180]:40811 "EHLO mail-yw0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752169AbZIPKyz (ORCPT ); Wed, 16 Sep 2009 06:54:55 -0400 Received: by ywh10 with SMTP id 10so3398964ywh.1 for ; Wed, 16 Sep 2009 03:54:59 -0700 (PDT) In-Reply-To: <4AB0ADB2.8090009@web.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Holger Hasselmann Cc: linux-ide@vger.kernel.org, Shane.Huang@amd.com Holger Hasselmann wrote: > I have tried the attached patch on a clean 2.6.31 source and it is working. > > dmesg is showing the following: > > libata version 3.00 loaded. > ahci 0000:00:12.0: version 3.0 > ahci 0000:00:12.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 > ahci 0000:00:12.0: ASUS M2A-VM: BIOS too old, forcing 32bit DMA, update > BIOS > ahci 0000:00:12.0: controller can't do 64bit DMA, forcing 32bit > ahci 0000:00:12.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf impl SATA > mode > ahci 0000:00:12.0: flags: ncq sntf ilck pm led clo pmp pio slum part > > Will try it later on the latest git, I think the dmesg should identify > the Board correct then and. Oh, yes, please. It should be printing different message. -- tejun