Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754782AbXIQMFT (ORCPT ); Mon, 17 Sep 2007 08:05:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752961AbXIQMFE (ORCPT ); Mon, 17 Sep 2007 08:05:04 -0400 Received: from ug-out-1314.google.com ([66.249.92.170]:5706 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752920AbXIQMFC (ORCPT ); Mon, 17 Sep 2007 08:05:02 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=DBhvNHlNod0hhh2RfhJcoVd1b3lXHqPP1MoFQRf/lQantBTzVdNlqQs7khhp8veQq2Z1wnj2ojRxYfJlc5ctNlNj8UO5mvl9vypK9hrTw6cSJFlEx8Pqza2sJiJaEoqhrrWonTugOmk5IihO+FGAxOsONV5cUtWmPj6DM/4qW40= Message-ID: Date: Mon, 17 Sep 2007 16:05:00 +0400 From: "Sergey Dolgov" To: "Tejun Heo" Subject: Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO Cc: "Michal Piotrowski" , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org In-Reply-To: <46EE66EA.3090902@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070911212030.GA2817@slk.laptop> <6bffcb0e0709120933p6d58127fv3c85076fe41daaca@mail.gmail.com> <20070912200706.GA2620@slk.laptop> <46E849B7.9040402@googlemail.com> <20070912212025.GB2620@slk.laptop> <46E8663E.3080205@googlemail.com> <46ED19F0.8060205@gmail.com> <46EE66EA.3090902@gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1006 Lines: 27 On 9/17/07, Tejun Heo wrote: [...] > >>>> BTW, this only happens when using libata of course. The > >>>> old CONFIG_IDE stuff works fine every time. > >>> This maybe one of libata weirdness (I really don't get it why some hardware > >>> works perfectly fine with an old IDE and don't work well with libata). > >> Hmmm... Is MWDMA2 mode used with ide driver too? > >> > > > > What's the best way to tell whether it does or not? (the log says > > "selected mode 0x22", see below) > > Yes, that's MWDMA2. Hmm... We're seeing many cases where MWDMA doesn't > work with libata while it works fine with IDE but have no idea what's > going on yet. :-( > Okay, thanks. Please feel free to contact me if you need any more testing done. -- Sergey - 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/