linux-kernel - Re: [ANNOUNCE] 3.12.9-rt13

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Message-ID: <20140207085701.GB23668@linutronix.de>
Date:	Fri, 7 Feb 2014 09:57:01 +0100
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Mike Galbraith <bitbucket@...ine.de>
Cc:	linux-rt-users <linux-rt-users@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>, rostedt@...dmis.org,
	John Kacur <jkacur@...hat.com>
Subject: Re: [ANNOUNCE] 3.12.9-rt13

* Mike Galbraith | 2014-02-04 16:03:38 [+0100]:

>On Mon, 2014-02-03 at 20:48 +0100, Sebastian Andrzej Siewior wrote:
>
>> Known issues:
>
>> Mike said that it caused two of his 64 CPUs to spin for five minutes
>>         doing nothing. Therefore it is disabled in the queue. Everyone
>>         who wants test it may do so :)
>
>I put rt13 on an 8 socket Opetron (48 core) box, with patch enabled.  It
>box did NOT reproduce the hangs the 8 socket (1 node, bleh) DL980 did.
>
>Nor did it explode running hotplug stress, but then it deadlocks before
>BOOM would have happened on the DL980.  kdump isn't working properly on
>this box (not an rt issue, userspace), so..

Okay, so this is at some point good news. Thank you.

>-Mike

Sebastian
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