Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754869AbXIQRSh (ORCPT ); Mon, 17 Sep 2007 13:18:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751285AbXIQRS3 (ORCPT ); Mon, 17 Sep 2007 13:18:29 -0400 Received: from nf-out-0910.google.com ([64.233.182.190]:8199 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751114AbXIQRS2 (ORCPT ); Mon, 17 Sep 2007 13:18:28 -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=QPAtcxyGGogoo5W8G9kgVJQPMnqxV73kLVZgUUjRcjXRnJNWe9VSXYsxDUKYAcCUJ5uHjbvUo7/V5dxz39J+N4PGNiqI75kG0vxHchUNyzIJRVhUhQe9savz336xFdzh0BFlWFIXvoqvvK/vN0OdYuhi0/BK5gw/QlWSmLFonNk= Message-ID: Date: Mon, 17 Sep 2007 21:18:26 +0400 From: "Alexey Zaytsev" To: "Sergey Dolgov" Subject: Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO Cc: "Tejun Heo" , "Michal Piotrowski" , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org In-Reply-To: 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: 1366 Lines: 32 On 9/17/07, Sergey Dolgov wrote: > 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. :-( > > > This may be well a hardware problem. Same laptop (HP nx7300 GB848ES) works fine with either 2.6.22 and 2.6.23-rc. Maybe actually using the DVD is required to trigger the problem on the next reboot? Sergey, btw, on this laptop I've observed lockups twice with the -rc5. After switching to 2.6.22 it was stable for at least one day. Can you confirm or refute this? - 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/