Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262727AbVDHKbQ (ORCPT ); Fri, 8 Apr 2005 06:31:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262798AbVDHKa7 (ORCPT ); Fri, 8 Apr 2005 06:30:59 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:22987 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S262791AbVDHKaU (ORCPT ); Fri, 8 Apr 2005 06:30:20 -0400 Date: Fri, 8 Apr 2005 12:28:54 +0200 From: Pavel Machek 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 Subject: Re: [PATCH] Updated: Dynamic Tick version 050408-1 Message-ID: <20050408102854.GB1392@elf.ucw.cz> References: <20050406083000.GA8658@atomide.com> <425451A0.7020000@tuxrocks.com> <20050407082136.GF13475@atomide.com> <4255A7AF.8050802@tuxrocks.com> <4255B247.4080906@tuxrocks.com> <20050408062537.GB4477@atomide.com> <20050408075001.GC4477@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050408075001.GC4477@atomide.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2018 Lines: 59 Hi! > > I think I have an idea on what's going on; Your system does not wake to > > APIC interrupt, and the system timer updates time only on other interrupts. > > I'm experiencing the same on a loaner ThinkPad T30. > > > > I'll try to do another patch today. Meanwhile it now should work > > without lapic in cmdline. > > Following is an updated patch. Anybody having trouble, please try > disabling CONFIG_DYN_TICK_USE_APIC Kconfig option. > > I'm hoping this might work on Pavel's machine too? The "volume hang" was explained: I was using CPU frequency scaling, it probably did not like that. After disabling CPU frequency scaling, it seems to work ok: Pavel pavel@Elf:~$ cat /proc/interrupts ; sleep 1 ; cat /proc/interrupts CPU0 0: 33288 XT-PIC timer 1: 1021 XT-PIC i8042 2: 0 XT-PIC cascade 9: 2 XT-PIC acpi 10: 94036 XT-PIC yenta, yenta, ehci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb4 11: 3941 XT-PIC Intel 82801DB-ICH4, eth0 12: 17 XT-PIC i8042 14: 5119 XT-PIC ide0 NMI: 0 LOC: 0 ERR: 0 MIS: 0 CPU0 0: 33568 XT-PIC timer 1: 1022 XT-PIC i8042 2: 0 XT-PIC cascade 9: 2 XT-PIC acpi 10: 94323 XT-PIC yenta, yenta, ehci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb4 11: 3951 XT-PIC Intel 82801DB-ICH4, eth0 12: 17 XT-PIC i8042 14: 5192 XT-PIC ide0 NMI: 0 LOC: 0 ERR: 0 MIS: 0 pavel@Elf:~$ -- Boycott Kodak -- for their patent abuse against Java. - 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/