From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [ANNOUNCE] 2.6.31-rc6-rt2
Date: Tue, 18 Aug 2009 23:14:05 +0200 (CEST)
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Cc: LKML <linux-kernel@vger.kernel.org>,
	rt-users <linux-rt-users@vger.kernel.org>,
	Ingo Molnar <mingo@elte.hu>,
	Steven Rostedt <rostedt@goodmis.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Carsten Emde <ce@ceag.ch>,
	Clark Williams <williams@redhat.com>,
	Frank Rowand <frank.rowand@am.sony.com>,
	Robin Gareus <robin@gareus.org>,
	Gregory Haskins <ghaskins@novell.com>,
	Philippe Reynes <philippe.reynes@isismpp.fr>,
	Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>,
	Darren Hart <dvhltc@us.ibm.com>, Jan Blunck <jblunck@suse.de>,
	Sven-Thorsten Dietrich <sdietrich@novell.com>,
	Jon Masters <jcm@redhat.com>
To: Will Schmidt <will_schmidt@vnet.ibm.com>
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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