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From: Kevin Fenzi <kevin@scrye•com>
To: Dave Jones <davej@redhat•com>
Cc: netdev@vger•kernel.org, linux-kernel@vger•kernel.org
Subject: Re: localed stuck in recent 3.18 git in copy_net_ns?
Date: Mon, 20 Oct 2014 14:53:59 -0600	[thread overview]
Message-ID: <20141020145359.565fe5e6@voldemort.scrye.com> (raw)
In-Reply-To: <20141020204326.GA25668@redhat.com>

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On Mon, 20 Oct 2014 16:43:26 -0400
Dave Jones <davej@redhat•com> wrote:

> I've seen similar soft lockup traces from the sys_unshare path when
> running my fuzz tester.  It seems that if you create enough network
> namespaces, it can take a huge amount of time for them to be iterated.
> (Running trinity with '-c unshare' you can see the slow down happen.
> In some cases, it takes so long that the watchdog process kills it --
>  though the SIGKILL won't get delivered until the unshare() completes)
> 
> Any idea what this machine had been doing prior to this that may have
> involved creating lots of namespaces ?

That was right after boot. ;) 

This is my main rawhide running laptop.

A 'ip netns list' shows nothing.

kevin

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  reply	other threads:[~2014-10-20 20:54 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-20 20:15 localed stuck in recent 3.18 git in copy_net_ns? Kevin Fenzi
2014-10-20 20:43 ` Dave Jones
2014-10-20 20:53   ` Kevin Fenzi [this message]
2014-10-21 21:12     ` Kevin Fenzi
2014-10-22 17:12       ` Josh Boyer
2014-10-22 17:37         ` Cong Wang
2014-10-22 17:49           ` Josh Boyer
2014-10-22 17:53           ` Eric W. Biederman
2014-10-22 18:11             ` Paul E. McKenney
2014-10-22 18:25               ` Eric W. Biederman
2014-10-22 18:55                 ` Paul E. McKenney
2014-10-22 19:33                   ` Josh Boyer
2014-10-22 22:40                     ` Yanko Kaneti
2014-10-22 23:24                       ` Paul E. McKenney
2014-10-23  6:09                         ` Yanko Kaneti
2014-10-23 12:27                           ` Paul E. McKenney
2014-10-23 15:33                             ` Paul E. McKenney
     [not found]                               ` <CA+5PVA4H6EAf6cBc4a_8W8x4Mgppjc5GsskKaCRry2jq+LP+FA@mail.gmail.com>
2014-10-23 16:28                                 ` Paul E. McKenney
2014-10-23 19:51                               ` Yanko Kaneti
2014-10-23 20:05                                 ` Paul E. McKenney
2014-10-23 21:45                                   ` Yanko Kaneti
2014-10-23 22:04                                     ` Paul E. McKenney
2014-10-24  4:48                                       ` Jay Vosburgh
2014-10-24 14:50                                         ` Paul E. McKenney
2014-10-24 18:20                                           ` Jay Vosburgh
2014-10-24 18:33                                             ` Paul E. McKenney
2014-10-24  9:08                                       ` Yanko Kaneti
2014-10-24 15:40                                         ` Paul E. McKenney
2014-10-24 16:29                                           ` Yanko Kaneti
2014-10-24 16:54                                             ` Paul E. McKenney
2014-10-24 17:09                                               ` Yanko Kaneti
2014-10-24 17:20                                                 ` Paul E. McKenney
2014-10-24 17:35                                                   ` Yanko Kaneti
2014-10-24 18:32                                                     ` Paul E. McKenney
2014-10-24 18:49                                                       ` Jay Vosburgh
2014-10-24 18:57                                                         ` Paul E. McKenney
2014-10-24 20:15                                                           ` Paul E. McKenney
2014-10-24 21:25                                                       ` Yanko Kaneti
2014-10-24 21:49                                                         ` Paul E. McKenney
2014-10-24 22:02                                                           ` Jay Vosburgh
2014-10-24 22:16                                                             ` Paul E. McKenney
2014-10-24 22:41                                                               ` Jay Vosburgh
2014-10-24 22:34                                                           ` Jay Vosburgh
2014-10-24 22:59                                                             ` Paul E. McKenney
2014-10-24 23:05                                                               ` Paul E. McKenney
2014-10-25  0:20                                                                 ` Jay Vosburgh
2014-10-25  2:03                                                                   ` Paul E. McKenney
2014-10-25  4:33                                                                     ` Jay Vosburgh
2014-10-25  5:16                                                                       ` Paul E. McKenney
2014-10-25 16:38                                                                         ` Jay Vosburgh
2014-10-25 18:18                                                                           ` Paul E. McKenney
2014-10-27 17:45                                                                             ` Paul E. McKenney
2014-10-27 20:43                                                                               ` Jay Vosburgh
2014-10-27 21:07                                                                                 ` Paul E. McKenney
2014-10-28  8:12                                                                               ` Yanko Kaneti
2014-10-28 12:50                                                                                 ` Paul E. McKenney
2014-10-28 13:00                                                                                   ` Yanko Kaneti
2014-10-28 15:54                                                                                     ` Kevin Fenzi
2014-10-28 16:15                                                                                       ` Paul E. McKenney
2014-10-25 12:09                                                           ` Yanko Kaneti
2014-10-25 13:38                                                             ` Paul E. McKenney
2014-10-22 17:59           ` Paul E. McKenney
2014-10-22 18:03             ` Josh Boyer

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