From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1K3cQn-00022O-1o for user-mode-linux-devel@lists.sourceforge.net; Tue, 03 Jun 2008 12:44:29 -0700 Received: from keil-draco.com ([216.193.185.50] helo=mail.keil-draco.com) by mail.sourceforge.net with esmtp (Exim 4.44) id 1K3cQj-0005st-My for user-mode-linux-devel@lists.sourceforge.net; Tue, 03 Jun 2008 12:44:27 -0700 From: Daniel Hazelton Date: Tue, 3 Jun 2008 15:43:56 -0400 References: <20080603190235.GA9511@c2.user-mode-linux.org> <20080603123211.e129c222.akpm@linux-foundation.org> In-Reply-To: <20080603123211.e129c222.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200806031543.56864.dhazelton@enter.net> Subject: Re: [uml-devel] [PATCH 1/6] UML - Deal with host time going backwards List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Andrew Morton Cc: nix@esperi.org.uk, Jeff Dike , akpm@linuxfoundation.org, linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net On Tuesday 03 June 2008 03:32:11 pm Andrew Morton wrote: > On Tue, 3 Jun 2008 15:02:35 -0400 > > Jeff Dike wrote: > > Protection against the host's time going backwards - keep track of the > > time at the last tick and if it's greater than the current time, keep > > time stopped until the host catches up. > > Strange. What would cause the host's time (or at least UML's perception > of it) to go backwards? A wild guess would be that the UML process is running "fast" at some point and its expectation of the host's time is skewed forward because of that. Another possibility is that the hosts clock got reset between the times UML has checked it and the correction was a negative one. DRH -- Dialup is like pissing through a pipette. Slow and excruciatingly painful. ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel