Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755282AbXICMfi (ORCPT ); Mon, 3 Sep 2007 08:35:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752710AbXICMfc (ORCPT ); Mon, 3 Sep 2007 08:35:32 -0400 Received: from www.osadl.org ([213.239.205.134]:39954 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752586AbXICMfb (ORCPT ); Mon, 3 Sep 2007 08:35:31 -0400 Subject: Re: cpu hotplug support broken in 2.6.23-rc3 From: Thomas Gleixner To: "Rafael J. Wysocki" Cc: Pavel Machek , Jeff Chua , rusty@rustycorp.com.au, vatsa@in.ibm.com, zwane@arm.linux.org.uk, kernel list In-Reply-To: <200709031219.12846.rjw@sisk.pl> References: <20070827104350.GA2073@elf.ucw.cz> <20070903034720.GB3655@ucw.cz> <200709031219.12846.rjw@sisk.pl> Content-Type: text/plain Date: Mon, 03 Sep 2007 14:35:17 +0200 Message-Id: <1188822917.3406.0.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 Content-Length: 783 Lines: 23 On Mon, 2007-09-03 at 12:19 +0200, Rafael J. Wysocki wrote: > > Ok, so it gets weirder. I have now machine in "hung" state; other > > consoles still work, but there are no timers - sleep 1 hangs forever. > > > > sysrq-t shows kstopmachine hung in hrtimer_try_to_cancel. > > > > So I indeed suspect difference-in-kconfig to trigger this, and will > > try disabling noidlehz. > > I would unset CONFIG_HIGH_RES_TIMERS for starters. > > Well, I guess Thomas should know about that. ;-) What was the last known to work version ? tglx - 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/