From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Tommi Rantala <tommi.t.rantala@nokia.com>
Cc: Vlad Yasevich <vyasevich@gmail.com>,
Neil Horman <nhorman@tuxdriver.com>,
linux-sctp@vger.kernel.org,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: sctp netns "unregister_netdevice: waiting for lo to become free. Usage count = 1"
Date: Tue, 30 Jan 2018 22:52:27 +0000 [thread overview]
Message-ID: <20180130225227.GC3503@localhost.localdomain> (raw)
In-Reply-To: <2a9c25b0-9ee7-baf6-f212-2c94b06941ea@nokia.com>
On Mon, Jan 29, 2018 at 05:55:45PM +0200, Tommi Rantala wrote:
> Hi,
>
> When running sctp_test from lksctp-tools in netns in 4.4 and 4.9 with
> suitable arguments, the local loopback device in the netns is not getting
> destroyed after deleting the netns.
>
...
>
> Based on a quick test, 4.14 and 4.15 does not suffer from this, but its
> reproducible e.g. in 4.4.113 and 4.9.75
>
> Any ideas?
By the versions you mentioned and report, maybe f186ce61bb82 ("Fix an
intermittent pr_emerg warning about lo becoming free.") fixed it.
Marcelo
WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Tommi Rantala <tommi.t.rantala@nokia.com>
Cc: Vlad Yasevich <vyasevich@gmail.com>,
Neil Horman <nhorman@tuxdriver.com>,
linux-sctp@vger.kernel.org,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: sctp netns "unregister_netdevice: waiting for lo to become free. Usage count = 1"
Date: Tue, 30 Jan 2018 20:52:27 -0200 [thread overview]
Message-ID: <20180130225227.GC3503@localhost.localdomain> (raw)
In-Reply-To: <2a9c25b0-9ee7-baf6-f212-2c94b06941ea@nokia.com>
On Mon, Jan 29, 2018 at 05:55:45PM +0200, Tommi Rantala wrote:
> Hi,
>
> When running sctp_test from lksctp-tools in netns in 4.4 and 4.9 with
> suitable arguments, the local loopback device in the netns is not getting
> destroyed after deleting the netns.
>
...
>
> Based on a quick test, 4.14 and 4.15 does not suffer from this, but its
> reproducible e.g. in 4.4.113 and 4.9.75
>
> Any ideas?
By the versions you mentioned and report, maybe f186ce61bb82 ("Fix an
intermittent pr_emerg warning about lo becoming free.") fixed it.
Marcelo
next prev parent reply other threads:[~2018-01-30 22:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-29 15:55 sctp netns "unregister_netdevice: waiting for lo to become free. Usage count = 1" Tommi Rantala
2018-01-29 15:55 ` Tommi Rantala
2018-01-30 15:59 ` Neil Horman
2018-01-30 15:59 ` Neil Horman
2018-01-30 19:24 ` Tommi Rantala
2018-01-30 19:24 ` Tommi Rantala
2018-01-30 21:03 ` Neil Horman
2018-01-30 21:03 ` Neil Horman
2018-01-31 9:42 ` Tommi Rantala
2018-01-31 9:42 ` Tommi Rantala
2018-01-31 12:13 ` Tommi Rantala
2018-01-31 12:13 ` Tommi Rantala
2018-01-31 12:31 ` Neil Horman
2018-01-31 12:31 ` Neil Horman
2018-01-31 17:51 ` Tommi Rantala
2018-01-31 17:51 ` Tommi Rantala
2018-02-01 18:02 ` Tommi Rantala
2018-02-01 18:02 ` Tommi Rantala
2018-02-01 19:23 ` Neil Horman
2018-02-01 19:23 ` Neil Horman
2018-02-01 20:41 ` Tommi Rantala
2018-02-01 20:41 ` Tommi Rantala
2018-02-02 12:34 ` Neil Horman
2018-02-02 12:34 ` Neil Horman
2018-02-04 9:05 ` Tommi Rantala
2018-02-04 9:05 ` Tommi Rantala
2018-02-01 23:57 ` Alexey Kodanev
2018-02-01 23:57 ` Alexey Kodanev
2018-02-02 8:27 ` Tommi Rantala
2018-02-02 8:27 ` Tommi Rantala
2018-02-02 12:17 ` Alexey Kodanev
2018-02-02 12:17 ` Alexey Kodanev
2018-01-30 22:52 ` Marcelo Ricardo Leitner [this message]
2018-01-30 22:52 ` Marcelo Ricardo Leitner
2018-01-31 6:58 ` Tommi Rantala
2018-01-31 6:58 ` Tommi Rantala
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