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Message-ID: <m1sk6oky96.fsf@fess.ebiederm.org> Date: Wed, 21 Apr 2010 19:38:13 -0700 From: ebiederm@...ssion.com (Eric W. Biederman) To: Ben Hutchings <ben@...adent.org.uk> Cc: Martín Ferrari <martin.ferrari@...il.com>, 577640@...s.debian.org, netdev <netdev@...r.kernel.org>, "Eric W. Biederman" <ebiederm@...stanetworks.com>, Alexey Dobriyan <adobriyan@...il.com>, Mathieu Lacage <mathieu.lacage@...hia.inria.fr> Subject: Re: Bug#577640: linux-image-2.6.33-2-amd64: Kernel warnings in netns thread Ben Hutchings <ben@...adent.org.uk> writes: > On Wed, 2010-04-21 at 12:36 -0700, Eric W. Biederman wrote: >> Martín Ferrari <martin.ferrari@...il.com> writes: >> >> > I'm not starting a new thread/bug, as this is probably related... >> > >> > I just discovered that in 2.6.33, if I create a veth inside a >> > namespace and then move one of the halves into the main namespace, >> > when I kill the namespace, I get one of these warnings followed by an >> > oops. This does not happen if the veth is created from the main ns and >> > then moved, nor in 2.6.32. This happens both in Qemu and on real >> > hardware (both amd64) >> > >> > To reproduce: >> > >> > $ sudo ./startns bash >> > # ip l a type veth >> > # ip l s veth0 netns 1 >> > # exit >> >> Nasty weird. I did a quick test here, and I'm not seeing that. >> Does the 2.6.33 experimental kernel have any patches applied? > > Yes, but not many beyond the stable updates, and nothing in this area. > You can see the list at: > http://svn.debian.org/wsvn/kernel/dists/trunk/linux-2.6/debian/patches/series/base Then I should ask what is startns? Either that is doing something different from my equivalent program, or I have patches to fix this, that just haven't been merged yet. Eric -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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