Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754789Ab1DLWnh (ORCPT ); Tue, 12 Apr 2011 18:43:37 -0400 Received: from ksp.mff.cuni.cz ([195.113.26.206]:34767 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753277Ab1DLWnf (ORCPT ); Tue, 12 Apr 2011 18:43:35 -0400 Date: Wed, 13 Apr 2011 00:43:33 +0200 From: Cyril Hrubis To: Chris Ball Cc: pavel@ucw.cz, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, eric.y.miao@gmail.com, utx@penguin.cz, zaurus-devel@www.linuxtogo.org, marek.vasut@gmail.com, linux-mmc@vger.kernel.org Subject: Re: zaurus: mmcblk0: error -110 Message-ID: <20110412224333.GA22640@atrey.karlin.mff.cuni.cz> References: <20110412151547.GC20815@atrey.karlin.mff.cuni.cz> <20110412193944.GC2665@atrey.karlin.mff.cuni.cz> <20110412205421.GD2665@atrey.karlin.mff.cuni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1065 Lines: 30 Hi! > > Tried 2.6.39-rc3 both with and without CONFIG_MMC_UNSAFE_RESUME and the > > insert/remove detection works but both with and without unsafe resume, if the > > card is removed for more than second or two it fails to recognize the card > > after insertion failing with: > > > > mmc0: error -95 whilst initialising SD card > > That's interesting. Would you mind trying to bisect? (Knowing whether > 2.6.38 final does it, for example, would be very helpful.) It may need one or two tries on 2.6.38 but it's there too. > There aren't many -EOPNOTSUPP returns in the stack. I see: > > card/block.c: mmc_blk_issue_secdiscard_rq and mmc_blk_issue_discard_rq > card/core.c: mmc_erase > core/sd_ops.c: mmc_app_cmd > > Mind doing some instrumentation to figure out which it is? Fails in the mmc_app_cmd. -- metan -- 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/