From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755804Ab2GaJAp (ORCPT ); Tue, 31 Jul 2012 05:00:45 -0400 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:59883 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750789Ab2GaJAn (ORCPT ); Tue, 31 Jul 2012 05:00:43 -0400 Date: Tue, 31 Jul 2012 13:00:39 +0400 From: Cyrill Gorcunov To: richard -rw- weinberger Cc: Pavel Emelyanov , Linux Kernel Mailing List , "lwn@lwn.net" , "criu@openvz.org" , "users@openvz.org" , Containers , cgroups mailinglist Subject: Re: [Announce] Checkpoint-restore tool v0.1 Message-ID: <20120731090039.GB2396@moon> References: <500D09C9.7060903@parallels.com> <500D1116.7070301@parallels.com> <50179CF0.7050200@parallels.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 31, 2012 at 10:57:58AM +0200, richard -rw- weinberger wrote: > > > >> crtools seem to use ptrace() to execute parasite system calls. > >> AFAIK this will only work if the target process is currently not > >> ptraced() by another process. > >> > > > > Yup, exactly. > > Dammit, I hoped we can get suspend/resume for UserModeLinux for free > with CRIU. 8-) We have plans to implement seizing on traced tasks but no dates at the moment ;) Cyrill