From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: NOHZ: local_softirq_pending 02 Date: Tue, 2 Jun 2009 22:32:31 +0200 (CEST) Message-ID: References: <4de7f8a60905290458y478c73ban1275d92ff01997c5@mail.gmail.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: linux-rt-users@vger.kernel.org To: Jan Blunck Return-path: Received: from www.tglx.de ([62.245.132.106]:56521 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752621AbZFBUc4 (ORCPT ); Tue, 2 Jun 2009 16:32:56 -0400 In-Reply-To: <4de7f8a60905290458y478c73ban1275d92ff01997c5@mail.gmail.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Fri, 29 May 2009, Jan Blunck wrote: > With 2.6.29.4-rt16 I get after some time under load following warnings: > > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > NOHZ: local_softirq_pending 02 > Clocksource tsc unstable (delta = 65308166 ns) > > Seems that TIMER_SOFTIRQ is not run when properly. Any idea who caused this? Hmm, no. Any receipe how to reproduce that ? Thanks, tglx