Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753630Ab1DZKHV (ORCPT ); Tue, 26 Apr 2011 06:07:21 -0400 Received: from casper.infradead.org ([85.118.1.10]:39436 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753231Ab1DZKHS convert rfc822-to-8bit (ORCPT ); Tue, 26 Apr 2011 06:07:18 -0400 Subject: Re: linux-next: Tree for April 14 (Call-traces: RCU/ACPI/WQ related?) From: Peter Zijlstra To: paulmck@linux.vnet.ibm.com Cc: sedat.dilek@gmail.com, Stephen Rothwell , linux-next@vger.kernel.org, LKML In-Reply-To: <20110424164331.GN2628@linux.vnet.ibm.com> References: <20110422005046.GQ2235@linux.vnet.ibm.com> <20110422150222.GA2300@linux.vnet.ibm.com> <20110423210539.GI2628@linux.vnet.ibm.com> <20110424062728.GM2628@linux.vnet.ibm.com> <20110424164331.GN2628@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Tue, 26 Apr 2011 12:06:57 +0200 Message-ID: <1303812417.20212.239.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 634 Lines: 13 On Sun, 2011-04-24 at 09:43 -0700, Paul E. McKenney wrote: > > Peter, any thoughts on what I might have done wrong to get the scheduler > into a state where it was ignoring a runnable realtime task? Not really, the only thing I can think of is something like poking at task->state while its sleeping. One you set it to TASK_RUNNING wakeups will be ignored since its already running ;-) -- 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/