linux-kernel - Re: [ANNOUNCE] 2.6.31-rc6-rt2

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Message-ID: <alpine.LFD.2.00.0908182311250.3361@localhost.localdomain>
Date:	Tue, 18 Aug 2009 23:14:05 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Will Schmidt <will_schmidt@...t.ibm.com>
cc:	LKML <linux-kernel@...r.kernel.org>,
	rt-users <linux-rt-users@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Carsten Emde <ce@...g.ch>,
	Clark Williams <williams@...hat.com>,
	Frank Rowand <frank.rowand@...sony.com>,
	Robin Gareus <robin@...eus.org>,
	Gregory Haskins <ghaskins@...ell.com>,
	Philippe Reynes <philippe.reynes@...smpp.fr>,
	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>,
	Darren Hart <dvhltc@...ibm.com>, Jan Blunck <jblunck@...e.de>,
	Sven-Thorsten Dietrich <sdietrich@...ell.com>,
	Jon Masters <jcm@...hat.com>
Subject: Re: [ANNOUNCE] 2.6.31-rc6-rt2

Will,

On Tue, 18 Aug 2009, Will Schmidt wrote:
> 
> Booting the system seems mostly OK with maxcpus=1, though this INFO
> message appears on the console.  (This does repeat after a while..) :
> 
>  INFO: task irq/16-IPI:3 blocked for more than 120 seconds.

Hmm. Why is the IPI threaded ? Can you check older (working) RT
versions whether the IPIs were threaded there as well ?

Thanks,

	tglx
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