Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262403AbVDGJ1X (ORCPT ); Thu, 7 Apr 2005 05:27:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262313AbVDGJ1V (ORCPT ); Thu, 7 Apr 2005 05:27:21 -0400 Received: from mailfe03.swip.net ([212.247.154.65]:23245 "EHLO swip.net") by vger.kernel.org with ESMTP id S262403AbVDGJ03 (ORCPT ); Thu, 7 Apr 2005 05:26:29 -0400 X-T2-Posting-ID: dB8bZLHXm6KAmbp1mi7F+A== Subject: Re: [PATCH] Dynamic Tick version 050406-1 From: Alexander Nyberg To: Tony Lindgren Cc: Frank Sorenson , linux-kernel@vger.kernel.org, Benjamin Herrenschmidt , Pavel Machek , Arjan van de Ven , Martin Schwidefsky , Andrea Arcangeli , George Anzinger , Thomas Gleixner , john stultz , Zwane Mwaikambo , Lee Revell , Thomas Renninger In-Reply-To: <20050407082136.GF13475@atomide.com> References: <20050406083000.GA8658@atomide.com> <425451A0.7020000@tuxrocks.com> <20050407082136.GF13475@atomide.com> Content-Type: text/plain Date: Thu, 07 Apr 2005 11:26:26 +0200 Message-Id: <1112865986.2344.2.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1185 Lines: 30 > > > Here's an updated dyn-tick patch. Some minor fixes: > > > > Doesn't look so good here. I get this with 2.6.12-rc2 (plus a few other patches). > > Disabling Dynamic Tick makes everything happy again (it boots). > > > > [4294688.655000] Unable to handle kernel NULL pointer dereference at virtual address 00000000 > > Thanks for trying it out. What kind of hardware do you have? Does it > have HPET? It looks like no suitable timer for dyn-tick is found... > Maybe the following patch helps? ===== arch/i386/kernel/Makefile 1.67 vs edited ===== --- 1.67/arch/i386/kernel/Makefile 2005-01-26 06:21:13 +01:00 +++ edited/arch/i386/kernel/Makefile 2005-04-07 11:21:19 +02:00 @@ -32,6 +32,7 @@ obj-$(CONFIG_ACPI_SRAT) += srat.o obj-$(CONFIG_HPET_TIMER) += time_hpet.o obj-$(CONFIG_EFI) += efi.o efi_stub.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o +obj-$(CONFIG_NO_IDLE_HZ) += dyn-tick.o EXTRA_AFLAGS := -traditional - 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/