Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755101AbZDXDBE (ORCPT ); Thu, 23 Apr 2009 23:01:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752773AbZDXDAx (ORCPT ); Thu, 23 Apr 2009 23:00:53 -0400 Received: from yw-out-2324.google.com ([74.125.46.30]:48536 "EHLO yw-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750927AbZDXDAw (ORCPT ); Thu, 23 Apr 2009 23:00:52 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=f9SO1qLktDvOyzsDx+NGXsyVrwltKcPaGuEdc7vJjM6FhZ5z7cA92oXbSRA3R8/8Hj s0ZeL0MRtzuADAUQK6L6LDY4Uu/BsASiVxmtQCDd/B9zSLyR5j++J9yEMfMCK7HZPLa0 aepY2jSxXxyfICAxyCJ6bei3qC3gr3gfiiUJ0= MIME-Version: 1.0 In-Reply-To: <200904232331.13729.bzolnier@gmail.com> References: <200904211459.26965.bzolnier@gmail.com> <20090423055618.GA23042@ime.usp.br> <200904232331.13729.bzolnier@gmail.com> Date: Fri, 24 Apr 2009 00:00:50 -0300 X-Google-Sender-Auth: 9478096d58166c33 Message-ID: <6540c930904232000t76aa4954l4f5cee5bad64aacb@mail.gmail.com> Subject: Re: Quick question about libata and hdparm From: =?ISO-8859-1?Q?Rog=E9rio_Brito?= To: Bartlomiej Zolnierkiewicz Cc: Alan Cox , Jeff Garzik , Michael Tokarev , Mark Lord , linux-kernel@vger.kernel.org Content-Type: multipart/mixed; boundary=001e680f1610445a2c04684434b9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9716 Lines: 152 --001e680f1610445a2c04684434b9 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, Bart, Alan & Co. On 4/23/09, Bartlomiej Zolnierkiewicz wrote: > You can try booting with "libata.force=3D1.00:mwdma2" kernel paramater t= o > force use of "regular" MWDMA2 transfer mode instead of UDMA ones so we a= re > sure that the issue is specific to pata_pdc202xx_old + UDMA. This *did* work. I see no other error messages, while using multword dma. So I think that this serves for us to rule out some unknown variables. > Other than that I'm out of ideas, though the hint that the original driv= er > works just fine should help driver's maintainer in fixing this regressio= n. Well, it worked now. I'm attaching what I see now. Thanks, Rog=E9rio Brito. P.S.: This is still with kernel 2.6.29, since compiling a new kernel in this computer takes a lot of time. --=20 Rog=E9rio Brito : rbrito@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8 http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org --001e680f1610445a2c04684434b9 Content-Type: text/plain; charset=US-ASCII; name="dmesg-2.6.29-with-force-mwdma2.txt" Content-Disposition: attachment; filename="dmesg-2.6.29-with-force-mwdma2.txt" Content-Transfer-Encoding: base64 X-Attachment-Id: f_ftwao5yn WyAgICAzLjA0Mjk4NV0gc2NzaTAgOiBwYXRhX3BkYzIwMnh4X29sZApbICAgIDMuMDQ5NzY5XSBz Y3NpMSA6IHBhdGFfcGRjMjAyeHhfb2xkClsgICAgMy4wNDk5MTddIGF0YTE6IFBBVEEgbWF4IFVE TUEvMTAwIGNtZCAweDg0MDAgY3RsIDB4ODAwMCBibWRtYSAweDcwMDAgaXJxIDEwClsgICAgMy4w NDk5MjRdIGF0YTI6IFBBVEEgbWF4IFVETUEvMTAwIGNtZCAweDc4MDAgY3RsIDB4NzQwMCBibWRt YSAweDcwMDggaXJxIDEwClsgICAgMy4yMDQ3MTBdIGF0YTEuMDA6IEFUQS00OiBRVUFOVFVNIEZJ 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