From: ebiederm@xmission.com (Eric W. Biederman)
To: Ben Hutchings <ben@decadent.org.uk>
Cc: "Martín Ferrari" <martin.ferrari@gmail.com>,
577640@bugs.debian.org, netdev <netdev@vger.kernel.org>,
"Eric W. Biederman" <ebiederm@aristanetworks.com>,
"Alexey Dobriyan" <adobriyan@gmail.com>,
"Mathieu Lacage" <mathieu.lacage@sophia.inria.fr>
Subject: Re: Bug#577640: linux-image-2.6.33-2-amd64: Kernel warnings in netns thread
Date: Wed, 21 Apr 2010 19:38:13 -0700 [thread overview]
Message-ID: <m1sk6oky96.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <1271895278.2582.3.camel@localhost> (Ben Hutchings's message of "Thu\, 22 Apr 2010 01\:14\:38 +0100")
Ben Hutchings <ben@decadent.org.uk> writes:
> On Wed, 2010-04-21 at 12:36 -0700, Eric W. Biederman wrote:
>> Martín Ferrari <martin.ferrari@gmail.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
next prev parent reply other threads:[~2010-04-22 2:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20100413112017.8505.36380.reportbug@japot.localdomain>
2010-04-18 17:33 ` Bug#577640: linux-image-2.6.33-2-amd64: Kernel warnings in netns thread Ben Hutchings
2010-04-21 15:19 ` Martín Ferrari
2010-04-21 19:36 ` Eric W. Biederman
2010-04-22 0:14 ` Ben Hutchings
2010-04-22 2:38 ` Eric W. Biederman [this message]
2010-04-22 14:05 ` Martín Ferrari
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