From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3577C10F14 for ; Tue, 15 Oct 2019 06:48:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D17DE20854 for ; Tue, 15 Oct 2019 06:48:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727539AbfJOGsL (ORCPT ); Tue, 15 Oct 2019 02:48:11 -0400 Received: from isilmar-4.linta.de ([136.243.71.142]:60566 "EHLO isilmar-4.linta.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726052AbfJOGsL (ORCPT ); Tue, 15 Oct 2019 02:48:11 -0400 X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES X-isilmar-external: YES Received: from owl.dominikbrodowski.net (owl-tcp.brodo.linta [10.1.0.111]) by isilmar-4.linta.de (Postfix) with ESMTPSA id 2A815200A4D; Tue, 15 Oct 2019 06:48:09 +0000 (UTC) Received: by owl.dominikbrodowski.net (Postfix, from userid 1000) id 6C9A08090E; Tue, 15 Oct 2019 08:48:01 +0200 (CEST) Date: Tue, 15 Oct 2019 08:48:01 +0200 From: Dominik Brodowski To: "Michael ." Cc: linux-kernel@vger.kernel.org, Morgan Klym , Trevor Jacobs , Kris Cleveland , Jeff Subject: Re: PCMCIA not working on Panasonic Toughbook CF-29 Message-ID: <20191015064801.GA104469@owl.dominikbrodowski.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 15, 2019 at 05:04:28PM +1100, Michael . wrote: > Good afternoon kernel developers > Please accept my apology for contacting you directly about this. A > small group of friends, some of whom are CCed here, have come together > to try and find a solution to a problem that originated with the > demise of kernel 2.6:32. First some background to the issue. We are > all users of Panasonic Toughbook CF-29 models (ranging from Mark 1 > through to Mark 5). These Toughbooks have 2 PCMCIA card slots which > are used by a variety of people for different purposes. On the CF-29 > Mark 1 through to Mark 3 these slots work without problem. On the > CF-29 Mark 4 and Mark 5 the last known kernel the top slot worked with > was 2.6:32. This has been confirmed all all major distros by most of > the small group of friends I mentioned earlier. > > Thinking it was just a kernel config issue I did some comparisons > between Debian 6 (Squeeze), Debian 7 (Wheezy), Ubuntu 10.04, and > Ubuntu 10.10. On all machines both slots functioned as they should > with Debian 6 and Ubuntu 10.04 but the top slot stopped working on > Mark 4 and Mark 5 machines on the next release with the next kernel. I > also tested Ubuntu 10.04 and 10.10 with the 2.6:32 and 2.6:35 kernel > and both slots worked with the 2.6:32 kernel but not the 2.6:35 > kernel.With my comparisons I merged the config from 2.6:32 into the > current kernel for Debian 4.19 and rebuilt the kernel, no matter what > configuration changes I made the top slot still doesn't function on > Mark 4 and Mark 5 machines. > > This issue, and its apparent start, has been confirmed on all major > distro family groups. So this brings me, actually the small group of > dedicated Linux users who own Panasonic Toughbook CF-29s, to contact > you to ask for help in resolving this issue. I have some questions, > and I realise the 2.6:32 kernel is long gone now but I'm hoping this > is not a lost cause, what changes would have occurred between 2.6:32 > and 2.6:33 that would have stopped the hardware working on Mark 4 and > Mark 5 CF-29 Toughbooks but not Mark 1 through to Mark 3? Would it be > possible to correct the problem so that the hardware on our machines > works as it should. While we are not kernel devs or even programmers > we are enthusiasts who love Linux and our machines and we are hoping > that together with you and the kernel dev group we can fix this issue > together. > > I have attached various tar.gz files with ls* outputs so you can see > the information we have so far. Thank you for taking the time to read > this. Is this with 16-bit PCMCIA cards, or with 32-bit CardBus cards? Either case, please provide the output of dmesg lspci -vvv and lspcmcia -v -v (ideally all for a working and non-working configuration). Thanks, Dominik