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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: David Howells <dhowells@redhat.com>
Cc: kosaki.motohiro@jp.fujitsu.com,
	"Serge E. Hallyn" <serue@us.ibm.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Subject: Re: [CRED bug?] 2.6.29-rc3 don't survive on stress workload
Date: Fri, 13 Feb 2009 13:44:46 +0900 (JST)	[thread overview]
Message-ID: <20090213134326.77C0.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <12311.1234459104@redhat.com>

Hi

> > 	1. put_user_ns() was being called before the uid (which
> > 	   was in the init_user_ns) was unhashed
> 
> Ah yes...  but only if CONFIG_USER_NS=y.  Otherwise the unhash was being done
> before the release anyway.  With this option set, the unhash was being deferred
> to a workqueue thread.
> 
> Okay, that seems reasonable.

Serge's patch servive on my stress workload for >24 hour.
then, I think his patch have fixed this issue.

thanks.




  reply	other threads:[~2009-02-13  4:45 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-10  5:41 KOSAKI Motohiro
2009-02-10  7:10 ` Vegard Nossum
2009-02-10  7:28   ` KOSAKI Motohiro
2009-02-11  3:56     ` Vegard Nossum
2009-02-11 10:48     ` David Howells
2009-02-10 12:18   ` Ingo Molnar
2009-02-11 12:25   ` KOSAKI Motohiro
2009-02-11 12:54   ` David Howells
2009-02-10 10:35 ` David Howells
2009-02-10 10:49   ` KOSAKI Motohiro
2009-02-11 12:41 ` David Howells
2009-02-11 12:52   ` KOSAKI Motohiro
2009-02-11 13:09   ` David Howells
2009-02-11 14:04     ` KOSAKI Motohiro
2009-02-11 16:33     ` Ingo Molnar
2009-02-11 17:07     ` David Howells
2009-02-11 17:19       ` Ingo Molnar
2009-02-12 11:09 ` David Howells
2009-02-12 11:23   ` KOSAKI Motohiro
2009-02-12 12:04   ` David Howells
2009-02-12 14:39     ` Serge E. Hallyn
2009-02-12 17:18     ` David Howells
2009-02-13  4:44       ` KOSAKI Motohiro [this message]
2009-02-13  8:28       ` Ingo Molnar

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