From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxim Levitsky Subject: Re: SD card on Dell D420 (Ricoh R5C822) Date: Thu, 10 Jun 2010 12:39:40 +0300 Message-ID: <1276162780.18013.3.camel@dell20> References: Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bw0-f46.google.com ([209.85.214.46]:46223 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752361Ab0FJJjs (ORCPT ); Thu, 10 Jun 2010 05:39:48 -0400 Received: by bwz7 with SMTP id 7so6579bwz.19 for ; Thu, 10 Jun 2010 02:39:46 -0700 (PDT) In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Mark Hills Cc: Chris Ball , linux-mmc@vger.kernel.org On Thu, 2010-06-10 at 09:08 +0100, Mark Hills wrote: > On Wed, 9 Jun 2010, Chris Ball wrote: > > > Hi Mark, > > > > > mmc0: error -84 whilst initialising SD card > > > > Not sure how much this'll help, but: > > > > errno -84 is defined in include/asm-generic/errno.h as EILSEQ, and > > there are two occurences of EILSEQ in sdhci.c, one of which has a > > printk next to it that you aren't seeing. So, it's likely that you're > > seeing: > > > > else if (intmask & (SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX)) > > host->cmd->error = -EILSEQ; > > > > So, it seems like your controller is returning a successful command > > response, but with some sort of data error attached. Have you tried > > multiple SD cards, and are they known-working? > > I have two SD cards -- a 2GB Crucial, and a 32MB Sandisk (actually a > micro-SD in an adaptor). Both cards work in a USB card reader with the > same kernel, and in my digital radio. > > > If you're sure it's not the card, try passing debug_quirks=1 to the > > sdhci module. (Let me know if you're not sure how to do that.) > > I've tried this with 2.6.35-rc2, and the result is the same. I also diff'd > the dmesg, with no relevant differences. Could you disable the CONFIG_MMC_RICOH_MMC and try again? This setting is only relevant to MMC cards, and I have seen some problems with it. Also please post lsmod, dmesg, lspci output. Did you do a suspend/resume cycle before this test? You can also contact me via IRC (freenode, oftc, my nick MaximLevitsky), and I try do some debugging. Best regards, Maxim Levitsky