From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754993AbXJIGMs (ORCPT ); Tue, 9 Oct 2007 02:12:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752051AbXJIGMl (ORCPT ); Tue, 9 Oct 2007 02:12:41 -0400 Received: from mailhub.sw.ru ([195.214.233.200]:6276 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751771AbXJIGMk (ORCPT ); Tue, 9 Oct 2007 02:12:40 -0400 Message-ID: <470B1BBF.3020203@sw.ru> Date: Tue, 09 Oct 2007 10:12:15 +0400 From: Vasily Averin User-Agent: Thunderbird 1.5.0.10 (X11/20060911) MIME-Version: 1.0 To: Jan Engelhardt CC: Linux Kernel Mailing List , Andrew Morton , Thomas Gleixner , Arjan van de Ven , devel@openvz.org Subject: Re: irq0 stops working References: <470B1119.8040207@sw.ru> In-Reply-To: X-Enigmail-Version: 0.94.2.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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. thank you, Vasily Averin OpenVZ Linux Kernel Team