From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763266AbXGEVSS (ORCPT ); Thu, 5 Jul 2007 17:18:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762870AbXGEVR7 (ORCPT ); Thu, 5 Jul 2007 17:17:59 -0400 Received: from www.osadl.org ([213.239.205.134]:37711 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1762991AbXGEVR6 (ORCPT ); Thu, 5 Jul 2007 17:17:58 -0400 Subject: Re: 2.6.21.5 june 30th to july 1st date hang? From: Thomas Gleixner To: Chris Friesen Cc: Clemens Koller , Chris Wright , Uli Luckas , LKML In-Reply-To: <468D5C72.4030200@nortel.com> References: <468AA364.2010000@nortel.com> <468AB976.2010806@redhat.com> <200707041056.53992.u.luckas@road.de> <20070704165313.GC4306@sequoia.sous-sol.org> <468CFCA1.3080104@anagramm.de> <468D2EF1.7050908@nortel.com> <1183666216.3289.41.camel@chaos> <468D5C72.4030200@nortel.com> Content-Type: text/plain Date: Thu, 05 Jul 2007 23:17:54 +0200 Message-Id: <1183670274.3289.44.camel@chaos> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 (2.10.1-4.fc7) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2007-07-05 at 15:02 -0600, Chris Friesen wrote: > Thomas Gleixner wrote: > > > It only happens with CONFIG_HIGHRES_TIMERS=y otherwise clock_was_set() > > is a NOP. So only the 2.6.21 kernel and i386 and ARM are affected. > > Are you certain? At least for anything >= 2.6.16 > Vanilla 2.6.10 shows a clock_was_set() function. Does it just not call > the dangerous code or something? Ouch, the old posix timer code might be affected as well, but I did not look. > Also, our modified 2.6.10 has the high res timers patch applied, but the > config option is turned off and we were still affected. You mean Anzingers high res patches. No idea about those. tglx