From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032298AbXFHWLU (ORCPT ); Fri, 8 Jun 2007 18:11:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S968811AbXFHWLH (ORCPT ); Fri, 8 Jun 2007 18:11:07 -0400 Received: from rtr.ca ([64.26.128.89]:4259 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968664AbXFHWLD (ORCPT ); Fri, 8 Jun 2007 18:11:03 -0400 Message-ID: <4669D3F5.7040300@rtr.ca> Date: Fri, 08 Jun 2007 18:11:01 -0400 From: Mark Lord User-Agent: Thunderbird 2.0.0.0 (X11/20070326) MIME-Version: 1.0 To: Robert de Rooy Cc: Mark Lord , Tejun Heo , Alan Cox , Jeff Garzik , linux-kernel@vger.kernel.org, bzolnier@gmail.com, linux-pcmcia@lists.infradead.org, "linux-ide@vger.kernel.org" Subject: Re: libata and legacy ide pcmcia failure References: <464A0321.3080201@gmail.com> <464C1575.8070005@gmail.com> <464CB7C9.2080807@gmail.com> <46503192.1040300@gmail.com> <4650B9E3.7070409@gmail.com> <46518798.2020808@gmail.com> <4651B66E.6030505@gmail.com> <4651B834.3060702@gmail.com> <4651C4A1.6000101@gmail.com> <4651C74B.7020108@gmail.com> <46520B36.90409@garzik.org> <20070523150229.00a0c3c4@the-village.bc.nu> <466718B6.4080105@gmail.com> <4667B39D.209@gmail.com> <46685AE5.4010908@gmail.com> <466900F3.7040801@gmail.com> <46694FB2.6040007@pobox.com> <4669D2D8.3020806@gmail.com> In-Reply-To: <4669D2D8.3020806@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Robert de Rooy wrote: > Mark Lord wrote: >> I still don't see much evidence that interrupts are actually >> functioning here. >> It would be good to see /proc/interrupts before/after libata tries to >> talk to it. >> >> Let's assume for the moment that interrupts are b0rken. >> The legacy IDE driver can talk to such devices completely without >> interrupts, >> if the IDE polling patch (below) is applied. >> >> So, Robert: could you try again with the old IDE driver, >> except apply this patch to it first? This will give valuable info. > > I tried the patch, but a get a kernel panic on boot with it. I can try > to get a screenshot of it tomorrow. Oh crap. I did test it a couple of months ago, but my boot/root drive is libata not IDE -- so no panic on boot with it. After booting, it worked just fine talking to PC-CARD CF devices using the polling. =ml