From owner-freebsd-xen@FreeBSD.ORG Sat Apr 2 20:40:12 2011 Return-Path: Delivered-To: freebsd-xen@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 62B05106564A for ; Sat, 2 Apr 2011 20:40:12 +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 37E098FC08 for ; Sat, 2 Apr 2011 20:40:12 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p32KeCVv063413 for ; Sat, 2 Apr 2011 20:40:12 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p32KeCi7063412; Sat, 2 Apr 2011 20:40:12 GMT (envelope-from gnats) Date: Sat, 2 Apr 2011 20:40:12 GMT Message-Id: <201104022040.p32KeCi7063412@freefall.freebsd.org> To: freebsd-xen@FreeBSD.org From: Adam Baldwin Cc: Subject: Re: kern/153620: [xen] Xen guest system clock drifts in AWS EC2 (FreeBSD 9.0-CURRENT i386 T1-micro) X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Adam Baldwin List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Apr 2011 20:40:12 -0000 The following reply was made to PR kern/153620; it has been noted by GNATS. From: Adam Baldwin To: bug-followup@FreeBSD.org, fbsd-9.0-aws-ec2-1293964000@holmberg.to Cc: Subject: Re: kern/153620: [xen] Xen guest system clock drifts in AWS EC2 (FreeBSD 9.0-CURRENT i386 T1-micro) Date: Sat, 02 Apr 2011 16:20:50 -0400 I'm noticing the same behavior on FreeBSD 8.2-RELEASE on t1.micro instances (AMI ami-423bc82b). I'm routinely losing ~4400 seconds (which is enough to force ntpd to abort) when the instance is idle (no SSH sessions connected).