Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965156AbXAGUiL (ORCPT ); Sun, 7 Jan 2007 15:38:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965157AbXAGUiL (ORCPT ); Sun, 7 Jan 2007 15:38:11 -0500 Received: from nf-out-0910.google.com ([64.233.182.187]:32440 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965156AbXAGUiK (ORCPT ); Sun, 7 Jan 2007 15:38:10 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=KFVB6HYsiTt0GSMhiul2WI6m3wFHwR4S/knxfj5LcrTGaaWvkAjssFcD3jXhG+sBapWqE4UPxhqKKgfedcaaV3u601CjKcnICCRTtwVuStEP1vA6LR1HWKKgs3VKl0RT5lCOosR2LgjJWyaKIh/qfdhRYq4cqe6uXzqS+y7hKOg= Message-ID: <58cb370e0701071238r4ef60b7dy4a7e8f542aaadfca@mail.gmail.com> Date: Sun, 7 Jan 2007 21:38:08 +0100 From: "Bartlomiej Zolnierkiewicz" To: "Kasper Sandberg" Subject: Re: libata error handling Cc: "Robert Hancock" , "LKML Mailinglist" , jgarzik@pobox.com, alan@lxorguk.ukuu.org.uk In-Reply-To: <1168200454.23415.0.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <459FE8BE.7070208@shaw.ca> <1168109874.1512.11.camel@localhost> <459FF1F8.1050306@shaw.ca> <1168110512.1512.13.camel@localhost> <58cb370e0701061128t439b0a15w82063a8d23fe6c16@mail.gmail.com> <1168200454.23415.0.camel@localhost> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2135 Lines: 41 On 1/7/07, Kasper Sandberg wrote: > On Sat, 2007-01-06 at 20:28 +0100, Bartlomiej Zolnierkiewicz wrote: > > On 1/6/07, Kasper Sandberg wrote: > > > On Sat, 2007-01-06 at 13:01 -0600, Robert Hancock wrote: > > > > Kasper Sandberg wrote: > > > > > On Sat, 2007-01-06 at 12:21 -0600, Robert Hancock wrote: > > > > >> Kasper Sandberg wrote: > > > > >>> i have heard that libata has much better error handling (this is what > > > > >>> made me try it), and from initial observations, that appears to be very > > > > >>> true, however, im wondering, is there something i can do to get > > > > >>> extremely verbose information from libata? for example if it corrects > > > > >>> errors? cause i'd really like to know if it still happens, and if i > > > > >>> perhaps get corruption as before, even though not severe. > > > > >> Any errors, timeouts or retries would be showing up in dmesg.. > > > > > how sure can i be of this? is it 100% sure that i have not encountered > > > > > this error then? > > > > > > > > Pretty sure, I'm quite certain libata never does any silent error recovery.. > > > > AFAIR this is true > > (at least it was last time that I've looked at libata eh code) > > > > > okay, i suppose i face two possibilities then: > > > 1: libata drivers are simply better, and the error does not occur > > > because of driver bugs in the old ide drivers > > > > very likely however pdc202xx_new bugs should be fixed in 2.6.20-rc3 > > (as it contains a lot of bugfixes for this driver from Sergei Shtylyov) > these fixes are also in the libata driver? some were backported directly from libata driver and few were pdc202xx_new specific so probably pata_pdc2027x is also fine > > > 2: it hasnt happened to me on libata yet (though this is also abit > > > weird, as it has now ran far longer than were previously required to hit > > > the errors) - 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/