Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754116AbXJIGZJ (ORCPT ); Tue, 9 Oct 2007 02:25:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751964AbXJIGY5 (ORCPT ); Tue, 9 Oct 2007 02:24:57 -0400 Received: from www.tglx.de ([62.245.132.106]:42566 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751685AbXJIGY4 (ORCPT ); Tue, 9 Oct 2007 02:24:56 -0400 Date: Tue, 9 Oct 2007 08:23:33 +0200 (CEST) From: Thomas Gleixner To: Vasily Averin cc: Jan Engelhardt , Linux Kernel Mailing List , Andrew Morton , Arjan van de Ven , devel@openvz.org Subject: Re: irq0 stops working In-Reply-To: <470B1BBF.3020203@sw.ru> Message-ID: References: <470B1119.8040207@sw.ru> <470B1BBF.3020203@sw.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 896 Lines: 24 On Tue, 9 Oct 2007, Vasily Averin wrote: > Jan Engelhardt wrote: > > On Oct 9 2007 09:26, Vasily Averin wrote: > >> On one of our servers timer interrupts (i.e irq0) are stops working. As result > >> any kernel timers do not triggers and tasks waiting some signals from timers > >> hangs forever. > > > > What kernel.. and tried CONFIG_NO_HZ=n? > > Originally I've noticed this issue on RHEL5 kernels, but then I've reproduced it > on latest mainstream kernels, in my last attempt it was 2.6.23-rc7. > > Thank you for for your tips about CONFIG_NO_HZ=n, will try to to it. You run a 64 bit kernel, where this option is not available yet. tglx - 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/