From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1VA1rT-0007Dd-Ps for user-mode-linux-devel@lists.sourceforge.net; Thu, 15 Aug 2013 18:01:27 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by sog-mx-4.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1VA1rS-0002kf-A3 for user-mode-linux-devel@lists.sourceforge.net; Thu, 15 Aug 2013 18:01:27 +0000 Date: Thu, 15 Aug 2013 19:01:14 +0100 From: "Richard W.M. Jones" Message-ID: <20130815180114.GP5918@redhat.com> References: <20130811174831.GD10864@redhat.com> <20130812085300.GV5918@redhat.com> <20130813103603.GA27173@redhat.com> <520A0F35.8000905@nod.at> <20130813110651.GX5918@redhat.com> <20130813120401.GE10864@redhat.com> <20130813122533.GF10864@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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 Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] How to reliably kill all vmlinux processes for a single VM? To: richard -rw- weinberger Cc: Richard Weinberger , "user-mode-linux-devel@lists.sourceforge.net" On Thu, Aug 15, 2013 at 07:34:04PM +0200, richard -rw- weinberger wrote: > On Tue, Aug 13, 2013 at 2:25 PM, Richard W.M. Jones wrote: > > On Tue, Aug 13, 2013 at 01:04:01PM +0100, Richard W.M. Jones wrote: > >> OK, I understand what's going wrong and how to reproduce the > >> signal-to-parent problem. It does look like a bug in vmlinux. > >> > >> It happens if the init process (PID 1) inside the VM gets a segfault. > > > > To add an additional data-point, applying the attached patch causes > > the rogue SIGTERM-to-parent signal to disappear. So at least we know > > where it comes from! > > I think we should call setsid() at UML startup. > Thanks for reporting that issue. > > BTW: You know that UML has a management console? > http://user-mode-linux.sourceforge.net/old/mconsole.html Yup, using the management console could be a good idea. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel