From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] gianfar: Fix boot hangs while bringing up gianfar ethernet Date: Mon, 09 Feb 2009 14:58:52 -0800 (PST) Message-ID: <20090209.145852.156568866.davem@davemloft.net> References: <20090207225555.GA2680@ami.dom.local> <20090209172216.GA11312@ovro.caltech.edu> <20090209193440.GA2537@ami.dom.local> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jeff@garzik.org, iws@ovro.caltech.edu, jacmet@sunsite.dk, dai.haruki@freescale.com, afleming@freescale.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: jarkao2@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:43505 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751235AbZBIW66 (ORCPT ); Mon, 9 Feb 2009 17:58:58 -0500 In-Reply-To: <20090209193440.GA2537@ami.dom.local> Sender: netdev-owner@vger.kernel.org List-ID: From: Jarek Poplawski Date: Mon, 9 Feb 2009 20:34:40 +0100 > gianfar: Fix boot hangs while bringing up gianfar ethernet > > Ira Snyder found that commit 8c7396aebb68994c0519e438eecdf4d5fa9c7844 > "gianfar: Merge Tx and Rx interrupt for scheduling clean up ring" can > cause hangs. It's because there was removed clearing of interrupts in > gfar_schedule_cleanup() (which is called by an interrupt handler) in > case when netif scheduling has been disabled. This patch brings back > this action and a comment. > > Reported-by: Ira Snyder > Reported-by: Peter Korsgaard > Bisected-by: Ira Snyder > Tested-by: Peter Korsgaard > Tested-by: Ira Snyder > Signed-by: Jarek Poplawski Applied, thanks everyone.