linux-kernel - [PROBLEM] WARNING: at kernel/exit.c:910 do

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Message-ID: <AANLkTi=ej5guZ2R72=fqe5mciwjVeY5LkDL3Qx1W0GvA@mail.gmail.com>
Date:	Sun, 21 Nov 2010 17:35:01 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	oleg@...hat.com, Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: [PROBLEM] WARNING: at kernel/exit.c:910 do_exit

Hi all,

The following warning triggered on me while I was browsing the web:

  http://twitpic.com/38vxxg

[ Click on the "Rotate photo" button for landscape version. ]

It's

        WARN_ON(atomic_read(&tsk->fs_excl));

in do_exit(). There was a prior oops in __pipe_free_info() called in
sys_recvmsg() paths that unfortunately scrolled away. Does it ring a
bell to anyone? This is latest Linus' master from few hours ago. I've
been running 2.6.37-rc1 until today without any problems.

I'll let you know if it triggers again.

                        Pekka
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