From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754276AbaBDPDt (ORCPT ); Tue, 4 Feb 2014 10:03:49 -0500 Received: from moutng.kundenserver.de ([212.227.126.187]:65502 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751234AbaBDPDq (ORCPT ); Tue, 4 Feb 2014 10:03:46 -0500 Message-ID: <1391526218.5532.33.camel@marge.simpson.net> Subject: Re: [ANNOUNCE] 3.12.9-rt13 From: Mike Galbraith To: Sebastian Andrzej Siewior Cc: linux-rt-users , LKML , Thomas Gleixner , rostedt@goodmis.org, John Kacur Date: Tue, 04 Feb 2014 16:03:38 +0100 In-Reply-To: <20140203194841.GA17108@linutronix.de> References: <20140203194841.GA17108@linutronix.de> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Provags-ID: V02:K0:x8MXykSjqlxhlW0i68rHSpTbD76/Ehee8G0GL5rgpAS fLkvxLzIJf/vG9R2a9HjPcc4+KVOduADLBJZaKL8CAV0gHj+GR iR2wwhq0AlME05NL3nIMsEhQ3tClhow8JY/7Z7oD5rvOiGm9b6 1wAFfzDonMwXMhl4Je+4fZ5Lg2MABf/jsOc/QKRRp8ufnV50jh MKo3Fvj4dcgetC7IzWCO3CXBCOVqEqXIWLQbfoLBvCe652H5Il 613UVz92cNlDMa1v2mNdqkkkp5e2QfOdkZkLUoEshbxy32GeIb o243+E7j6pmpFRD0cywgp2d+H6pdld7/mt+U0fdlSB+lPHKrQo fd6TP6P+kq6OeQ3EU4N6t6qjeRriauKGumfBqZDFxCD7bxJZij l1pqLnhLbHyig== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.. -Mike