From owner-freebsd-bugs@FreeBSD.ORG Wed May 27 20:30:02 2009 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D897010656B7 for ; Wed, 27 May 2009 20:30:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id B43968FC1A for ; Wed, 27 May 2009 20:30:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n4RKU27X055767 for ; Wed, 27 May 2009 20:30:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n4RKU2KO055766; Wed, 27 May 2009 20:30:02 GMT (envelope-from gnats) Resent-Date: Wed, 27 May 2009 20:30:02 GMT Resent-Message-Id: <200905272030.n4RKU2KO055766@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Adrian Chadd Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DE45510658DF for ; Wed, 27 May 2009 20:26:55 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id CC97B8FC14 for ; Wed, 27 May 2009 20:26:55 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id n4RKQtlA014825 for ; Wed, 27 May 2009 20:26:55 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id n4RKQt03014824; Wed, 27 May 2009 20:26:55 GMT (envelope-from nobody) Message-Id: <200905272026.n4RKQt03014824@www.freebsd.org> Date: Wed, 27 May 2009 20:26:55 GMT From: Adrian Chadd To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/135008: FreeBSD-current/Xen timecounter jumps X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 May 2009 20:30:03 -0000 >Number: 135008 >Category: kern >Synopsis: FreeBSD-current/Xen timecounter jumps >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed May 27 20:30:02 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Adrian Chadd >Release: >Organization: >Environment: >Description: The Xen DomU clock seems "off". Its not sync'ed to the value of the Dom0 clock (at least by "date" in both VMs.) "xen.independent_wallclock" is 0 in the DomU. I triggered a weird clock drift by running ntpdate in the dom0 by running ntpdate. >How-To-Repeat: In the Dom0: [root@hosting-2 adrian]# ntpdate 203.56.14.1 28 May 04:03:03 ntpdate[30489]: step time server 203.56.14.1 offset 50.619242 sec [root@hosting-2 adrian]# date Thu May 28 04:03:07 WST 2009 In the DomU: freebsd1# date Mon May 25 04:04:39 UTC 2009 freebsd1# date Sun May 24 07:03:31 UTC 2009 >Fix: >Release-Note: >Audit-Trail: >Unformatted: