Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753870AbXJHOdS (ORCPT ); Mon, 8 Oct 2007 10:33:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751426AbXJHOdH (ORCPT ); Mon, 8 Oct 2007 10:33:07 -0400 Received: from mx1.redhat.com ([66.187.233.31]:54002 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750892AbXJHOdG (ORCPT ); Mon, 8 Oct 2007 10:33:06 -0400 Date: Mon, 8 Oct 2007 10:32:52 -0400 From: Rik van Riel To: Bernd Schubert Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.23 regression: do_nanosleep will not return Message-ID: <20071008103252.5fe81529@bree.surriel.com> In-Reply-To: References: Organization: Red Hat, Inc. X-Mailer: Claws Mail 2.9.1 (GTK+ 2.10.4; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1027 Lines: 27 On Mon, 08 Oct 2007 15:20:26 +0200 Bernd Schubert wrote: > Bernd Schubert wrote: > > we have a system here were e.g. "sleep 1" will never finish. This > > is an issue of 2.6.23, on all older kernel versions it did work > > fine. > > > > Seems to hang in do_nanosleep() > > > Update: Enabling hpet in the bios and setting clocksource=hpet as > command line parameter will fix it, but still its not nice that > something that worked without a problem in 2.6.22 and below suddenly > doesn't work in 2.6.23. Which timer source is in use when the system hangs? -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan - 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/