From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatolij Gustschin Subject: Re: [PATCH v2] mmc: mxcmmc: fix bug that may block a data transfer forever. Date: Thu, 21 Feb 2013 13:57:55 +0100 Message-ID: <20130221135755.44440261@crub> References: <1347014617-16238-1-git-send-email-javier.martin@vista-silicon.com> <20130219151414.2aa318d7@crub> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mail-out.m-online.net ([212.18.0.9]:57127 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752471Ab3BUM57 (ORCPT ); Thu, 21 Feb 2013 07:57:59 -0500 In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: javier Martin Cc: linux-mmc@vger.kernel.org, viresh.linux@gmail.com, g.liakhovetski@gmx.de, vinod.koul@linux.intel.com, s.hauer@pengutronix.de, cjb@laptop.org, fabio.estevam@freescale.com, gcembed@gmail.com Hi, On Thu, 21 Feb 2013 13:32:08 +0100 javier Martin wrote: ... > It was tested executing a loop with bonnie++ for a week. > I didn't notice the race condition. Have you had real issues or just > found it by analysing the code? I've had real issues, but my setup is different. I'm using this mxcmmc driver with extensions on mpc5121e (with different DMA controller/driver). It is quite difficult to reproduce the issue on my test system. I've also an i.mx31 based pcm037 board but the SD-Card slot is broken on it, so I can not test the driver on i.mx31. Thanks, Anatolij