From: ebiederm@xmission.com (Eric W. Biederman)
To: Hans Schillstrom <hans.schillstrom@ericsson.com>
Cc: Daniel Lezcano <daniel.lezcano@free.fr>,
"netdev\@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: BUG ? ipip unregister_netdevice_many()
Date: Fri, 08 Oct 2010 09:45:15 -0700 [thread overview]
Message-ID: <m1y6a81vms.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <201010081428.37639.hans.schillstrom@ericsson.com> (Hans Schillstrom's message of "Fri, 8 Oct 2010 14:28:37 +0200")
Hans Schillstrom <hans.schillstrom@ericsson.com> writes:
> Hi Eric,
> Any advice how to trace this down ?
> This rollback_registered_many() seems to have on the lists before...
That is just the core piece that does device registration.
> All IPv4 and IPv6 tunnels causes this crash, all you have to do is load the tunnel module(s)
> enter a new ns and exit from it.
Ouch.
> Have not tested any more devices than tunnels,
> I did an "ip link delete" on my macvlans before exiting the ns.
My hunch is that we have dst entry problems, as I know those hop network
interfaces when we destroy network devices, but I have seen weird issues
with the route cache as well.
Grumble.
Eric
next prev parent reply other threads:[~2010-10-08 16:45 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-07 8:48 BUG ? ipip unregister_netdevice_many() Hans Schillstrom
2010-10-08 11:19 ` Daniel Lezcano
2010-10-08 11:53 ` Hans Schillstrom
2010-10-08 12:28 ` Hans Schillstrom
2010-10-08 15:53 ` Daniel Lezcano
2010-10-08 16:17 ` Daniel Lezcano
2010-10-08 16:58 ` Eric W. Biederman
2010-10-08 17:29 ` Daniel Lezcano
2010-10-08 17:47 ` Daniel Lezcano
2010-10-08 16:45 ` Eric W. Biederman [this message]
2010-10-08 17:20 ` David Miller
2010-10-08 17:32 ` Eric W. Biederman
2010-10-12 20:05 ` David Miller
2010-10-13 11:19 ` Jarek Poplawski
2010-10-13 21:58 ` David Miller
2010-10-14 6:41 ` Hans Schillstrom
2010-10-13 22:16 ` Daniel Lezcano
2010-10-13 23:23 ` David Miller
2010-10-14 3:57 ` Eric Dumazet
2010-10-14 23:28 ` Paul E. McKenney
2010-10-14 4:40 ` Eric W. Biederman
2010-10-14 4:50 ` David Miller
2010-10-14 5:20 ` Eric W. Biederman
2010-10-14 15:09 ` David Miller
2010-10-14 18:35 ` Eric W. Biederman
2010-10-08 16:51 ` Eric W. Biederman
2010-10-08 16:06 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2010-10-14 19:21 Octavian Purdila
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