Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 14 Jan 2002 13:02:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 14 Jan 2002 13:02:32 -0500 Received: from h24-78-175-24.nv.shawcable.net ([24.78.175.24]:23426 "EHLO oof.localnet") by vger.kernel.org with ESMTP id ; Mon, 14 Jan 2002 13:02:17 -0500 Date: Mon, 14 Jan 2002 10:02:15 -0800 From: Simon Kirby To: linux-kernel@vger.kernel.org Subject: [2.4.16] Clock locking bugs? Message-ID: <20020114180215.GA20200@netnation.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.25i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Just had a server's clock stop at 9:02:30am. Very interesting results: [sroot@pro:/]# cat /proc/interrupts CPU0 CPU1 0: 172839353 172896882 IO-APIC-edge timer 1: 578 522 IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 4: 22002 21840 IO-APIC-edge serial 10: 581309135 580556518 IO-APIC-level eth0 12: 63077142 63023533 IO-APIC-level aic7xxx NMI: 0 0 LOC: 345979794 345980089 ERR: 0 MIS: 0 ... [sroot@pro:/]# cat /proc/interrupts CPU0 CPU1 0: 172839353 172896882 IO-APIC-edge timer 1: 578 522 IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 4: 22002 21840 IO-APIC-edge serial 10: 581309219 580556518 IO-APIC-level eth0 12: 63077142 63023533 IO-APIC-level aic7xxx NMI: 0 0 LOC: 345979883 345980178 ERR: 0 MIS: 0 Alan says this is due to locking problems with the timer I/O code. On the console were a lot of "set_rtc_mmss: can't update from 79 to 32" type messages that have always happened on SMP kernels with ntpd. Has anybody created any patches for this? Simon- [ Stormix Technologies Inc. ][ NetNation Communications Inc. ] [ sim@stormix.com ][ sim@netnation.com ] [ Opinions expressed are not necessarily those of my employers. ] - 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/