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-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1ZEfO9-0003WO-2l for user-mode-linux-devel@lists.sourceforge.net; Mon, 13 Jul 2015 15:11:25 +0000 Received: from a.ns.miles-group.at ([95.130.255.143] helo=radon.swed.at) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1ZEfO3-0008ID-Cl for user-mode-linux-devel@lists.sourceforge.net; Mon, 13 Jul 2015 15:11:25 +0000 Message-ID: <55A3D510.7000508@nod.at> Date: Mon, 13 Jul 2015 17:11:12 +0200 From: Richard Weinberger MIME-Version: 1.0 References: <1436794918.3306.5.camel@m3y3r.de> <1436795884.3306.7.camel@m3y3r.de> <55A3C47B.8040206@nod.at> <1436797445.3306.10.camel@m3y3r.de> <55A3CE2F.5030105@nod.at> <1436800131.3096.1.camel@m3y3r.de> In-Reply-To: <1436800131.3096.1.camel@m3y3r.de> 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] uml_net zombie processes To: Thomas Meyer Cc: "user-mode-linux-devel@lists.sourceforge.net" Am 13.07.2015 um 17:08 schrieb Thomas Meyer: > Am Montag, den 13.07.2015, 16:41 +0200 schrieb Richard Weinberger: >> Am 13.07.2015 um 16:24 schrieb Thomas Meyer: >>>> Yeah. And please add a dump_stack() to figure out where it was >>>> called. >>> >>> I think calling dump_stack() somehow changed the errno to 25?! >> >>> >>> +extern __attribute__((regparm(0))) void dump_stack(void); >> >> Hmm, maybe the regparm(0) kills your stack. >> Anyway, how do you trigger the issue? >> I tried here and don't see any zombie processes? >> In my setup I run UML as non-root and tap0 is owned by root. >> -> UML is unable to setup eth0. >> But no zombies here. > > I run UML as non-root user, tun is: > > $ ll /dev/net > insgesamt 0 > crw-rw----. 1 root zml-net 10, 200 13. Jul 14:49 tun > > $ ll /usr/bin/uml_net > -rwsr-x---. 1 root uml-net 31472 19. Aug 2014 /usr/bin/uml_net And eth0=tuntap,tap? Thanks, //richard ------------------------------------------------------------------------------ Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel