Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753929Ab3HRTCQ (ORCPT ); Sun, 18 Aug 2013 15:02:16 -0400 Received: from oker.escape.de ([194.120.234.254]:33316 "EHLO oker.escape.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751391Ab3HRTCP (ORCPT ); Sun, 18 Aug 2013 15:02:15 -0400 Date: Sun, 18 Aug 2013 20:48:49 +0200 From: Jochen Striepe To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org Subject: Re: 3.10.5: rcu_sched detected stalls on CPUs/tasks Message-ID: <20130818184848.GA2398@pompeji.miese-zwerge.org> References: <20130813103202.GB2338@pompeji.miese-zwerge.org> <20130818180232.GL29406@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130818180232.GL29406@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 899 Lines: 21 Hello, On Sun, Aug 18, 2013 at 11:02:32AM -0700, Paul E. McKenney wrote: > On Tue, Aug 13, 2013 at 12:32:03PM +0200, Jochen Striepe wrote: > > just hit this one. Please tell me if you need any more information. > > If you wait for a few minutes after the first stall warning message, > do you get a second one with a much larger "t=" number? That would help > work out what part of the stack trace is responsible for the stall. There was no more log lines other than backlight values changing for about half an hour after that, and I switched off thereafter. Unfortunately, I was not able to reproduce that behaviour since. Best greetings, Jochen. -- 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/