From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757969AbYEVS1W (ORCPT ); Thu, 22 May 2008 14:27:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754358AbYEVS1O (ORCPT ); Thu, 22 May 2008 14:27:14 -0400 Received: from rv-out-0506.google.com ([209.85.198.235]:55421 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753549AbYEVS1N (ORCPT ); Thu, 22 May 2008 14:27:13 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=So440fI0NkJSTLl7f5KI+uern+2m5fhc97cbjclkbfj1D94z5UgRDS7XtRPj2bVn/6wTy8tkKIEaXQBWkstOsW/O86EP+Q86fmvsifbNrDxUM+XocUplW1iOiyvb9qJiBjPozL+zPzK5yb6DN+iJikqZ1eeito+aRbcfYphIbHQ= Message-ID: <7b9198260805221127w9b241a7q4869fcdede030a1d@mail.gmail.com> Date: Thu, 22 May 2008 19:27:12 +0100 From: "Tom Spink" To: "J. Bruce Fields" Subject: Re: 2.6.24 not recognizing 2G MMC card? Cc: drzeus-mmc@drzeus.cx, linux-kernel@vger.kernel.org In-Reply-To: <20080522182217.GA10760@fieldses.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080521172104.GC2592@fieldses.org> <7b9198260805211101s1fb96533tc86a614008833741@mail.gmail.com> <20080522033822.GD14376@fieldses.org> <7b9198260805221110gb4df390t67d6bd9c812d71da@mail.gmail.com> <20080522182217.GA10760@fieldses.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2008/5/22 J. Bruce Fields : > On Thu, May 22, 2008 at 07:10:22PM +0100, Tom Spink wrote: >> 2008/5/22 J. Bruce Fields : >> > On Wed, May 21, 2008 at 07:01:10PM +0100, Tom Spink wrote: >> >> 2008/5/21 J. Bruce Fields : >> >> > Please forgive a somewhat naive question--I'm not sure how to go about >> >> > debugging this kind of thing: >> >> > >> >> > I have a Dell 1420n with card readers reported by lspci as: >> >> > >> >> > 03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22) >> >> > 03:01.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 12) >> >> > >> >> > I have a 512MB MicroSD card which seems to be recognized fine, but a 2GB >> >> > MMC card is not. >> >> > >> >> > I'm using a stock Ubuntu 8.04 kernel, which reports itself as >> >> > 2.6.24-16-generic. >> >> > >> >> > Skimming through commits to drivers/mmc, >> >> > 5ae70296c85f96a9969891d9de3410ebdf210b71 "mmc: Disabler for Ricoh MMC >> >> > controller", looks relevant, but seems to be included in 2.6.24. >> >> > >> >> > Anything I should try? Thanks in advance for any suggestions. >> >> > >> >> > --b. >> >> >> >> Hi, >> >> >> >> What does: lsmod | grep ricoh, give you? Anything? >> > >> > root@pig:/home/bfields# lsmod | grep ricoh >> > ricoh_mmc 4352 0 >> > >> > --b. >> > >> >> So does the MMC card work on other card readers, i.e. it's not >> damaged? > > I use it in a Nokia 770, and it works there. > > It needs an adapter for the laptop which it doesn't need for the 770; > googling around.... Something that looks like this: > > http://www.globemaster.com.tw/data/rs mmc adapter.jpg > > So I suppose the adapter could be broken. Seems unlikely, > though--doesn't look like it does anything more than make the card > fit physically in the slot. Hmm. It is worth a check, given your next response... > >> When you plug the card into the reader, can you check dmesg >> and see if there's any relevant information in there, and post it >> here? > > It doesn't trigger any dmesg output at all. Interesting. I'd expect to see something appearing about the card. I'm afraid I'm not sure what to suggest next, if there's no debug output. > > --b. > -- Tom Spink