From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756776AbYINTTX (ORCPT ); Sun, 14 Sep 2008 15:19:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756611AbYINTQP (ORCPT ); Sun, 14 Sep 2008 15:16:15 -0400 Received: from www.tglx.de ([62.245.132.106]:58461 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757425AbYINTQO (ORCPT ); Sun, 14 Sep 2008 15:16:14 -0400 Date: Sun, 14 Sep 2008 12:15:04 -0700 (PDT) From: Thomas Gleixner To: Pavel Machek cc: kernel list , Linux-pm mailing list , "Rafael J. Wysocki" Subject: Re: 2.6.27-rc6: nohz + s2ram = need to press keys to get progress In-Reply-To: <20080914181228.GA18934@elf.ucw.cz> Message-ID: References: <20080912083113.GA1625@elf.ucw.cz> <20080914100913.GB7909@elf.ucw.cz> <20080914101406.GA1625@elf.ucw.cz> <20080914173536.GA1687@elf.ucw.cz> <20080914181228.GA18934@elf.ucw.cz> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 14 Sep 2008, Pavel Machek wrote: > On Sun 2008-09-14 10:51:04, Thomas Gleixner wrote: > > On Sun, 14 Sep 2008, Pavel Machek wrote: > > > > It _does_ happen with mainline 2.6.27-rc6. > > > > > > s2ram hs problem in mainline 2.6.26, too. (Different problem: no > > > ammount pressing shift helps there.) nohz=off cures it, too. > > > > Ok, so it's not a regression. > > > > Is the problem in the suspend path or in the resume ? > > During resume, on both 2.6.26 and 2.6.27-rc6. (27-rc6 actually resumes > if I keep hitting shift, and I get "sleepy" system after that -- > cursor does not blink, but machine can be used -- as long as I keep > hitting keys). Hmm. Can you please provide the output of /proc/timer_list when the system is in that "sleepy" state. Thanks, tglx