Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267979AbUJLWYj (ORCPT ); Tue, 12 Oct 2004 18:24:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267988AbUJLWYj (ORCPT ); Tue, 12 Oct 2004 18:24:39 -0400 Received: from gw02.applegatebroadband.net ([207.55.227.2]:53492 "EHLO data.mvista.com") by vger.kernel.org with ESMTP id S267979AbUJLWYg (ORCPT ); Tue, 12 Oct 2004 18:24:36 -0400 Message-ID: <416C598A.2010308@mvista.com> Date: Tue, 12 Oct 2004 15:24:10 -0700 From: George Anzinger Reply-To: george@mvista.com Organization: MontaVista Software User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.2) Gecko/20040308 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Christoph Lameter CC: johnstul@us.ibm.com, Ulrich.Windl@rz.uni-regensburg.de, jbarnes@sgi.com, linux-kernel@vger.kernel.org, roland@redhat.com Subject: Re: Periodic posix timer support broke between 2.6.9-rc1 and 2.6.9-rc1-bk17 References: <4154F349.1090408@redhat.com> <41550B77.1070604@redhat.com> <4159B920.3040802@redhat.com> <415AF4C3.1040808@mvista.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1074 Lines: 24 Christoph Lameter wrote: > I ran some test programs and discovered that the periodic timer support > is broken. The timer is triggered once and then never again. Single shot > timers work fine. 2.6.9-rc1 is fine. The first kernel that I tested where > I noticed the breakage was 2.6.9-rc1-bk17. 2.6.9-rc2 and following all > cannot do periodic timer signals. > > I looked through the changelog but I cannot see anything that would cause > the problem. Roland's patch surely could not have done this. > > Will try to track this down further, time permitting... The most likely thing would be failure to do the call back from the signal delivery code. -- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml - 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/