From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: Tasks schedule/migration issue with CPU hotplug? Date: Thu, 08 Sep 2011 14:55:48 +0200 Message-ID: <1315486548.20256.4.camel@twins> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: TAO HU Cc: "yong.zhang0" , Ingo Molnar , linux-omap , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org On Thu, 2011-09-08 at 14:47 +0800, TAO HU wrote: > > We seems got a schedule/migration issue in a OMAP4430 dual-core system. > > The kernel base is 2.6.35.7 and we're using CFS. step 1, try with a kernel that isn't quite as fossilized (3.0 or even better 3.1-rc) step 2, if no luck, report that step 3, when sending email, 3a, don't wrap machine output 3b, include .config like things