linux-kernel - Re: [Bug #16537] TREE

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Message-ID: <20100920182626.GE2408@linux.vnet.ibm.com>
Date:	Mon, 20 Sep 2010 11:26:27 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Rolf Eike Beer <eike-kernel@...tec.de>
Subject: Re: [Bug #16537] TREE_RCU hangs at boot

On Sun, Sep 12, 2010 at 09:08:42PM +0200, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.34 and 2.6.35.
> 
> The following bug entry is on the current list of known regressions
> introduced between 2.6.34 and 2.6.35.  Please verify if it still should
> be listed and let the tracking team know (either way).
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=16537
> Subject		: TREE_RCU hangs at boot
> Submitter	: Rolf Eike Beer <eike-kernel@...tec.de>
> Date		: 2010-08-07 12:18 (37 days old)
> Handled-By	: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

I cannot reproduce this.  The function that is claimed to hang contains
only printk()s.  I have asked the guys who can actually reproduce it
to try a later kernel, and will let you know how this goes.

If you cannot trust printk(), who can you trust?  ;-)

							Thanx, Paul
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