From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: MMC insert remove issue Date: Tue, 18 May 2010 11:09:18 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from void.printf.net ([89.145.121.20]:43941 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757294Ab0ERPrq (ORCPT ); Tue, 18 May 2010 11:47:46 -0400 In-Reply-To: (Madhav Chauhan's message of "Tue, 18 May 2010 20:02:32 +0530") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Madhav Chauhan Cc: linux-mmc@vger.kernel.org Hi, > In one ARM based boards I am facing soft lock up issue while > inserting/removing MMC/SD card continuously having 2K files. Can > someone point me where should i look whether host controller > driver or MMC block layer/Kernel block layer?? Could be any of the above, but perhaps most likely your host controller driver -- which one are you using? Can you perform alt-sysrq-t when the lockup happens, or get a kgdb backtrace? - Chris. -- Chris Ball One Laptop Per Child