Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753305AbaKRCVL (ORCPT ); Mon, 17 Nov 2014 21:21:11 -0500 Received: from mail-vc0-f182.google.com ([209.85.220.182]:62355 "EHLO mail-vc0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751213AbaKRCVJ (ORCPT ); Mon, 17 Nov 2014 21:21:09 -0500 MIME-Version: 1.0 In-Reply-To: <20141118020959.GA2091@redhat.com> References: <20141114213124.GB3344@redhat.com> <20141115213405.GA31971@redhat.com> <20141116014006.GA5016@redhat.com> <20141117170359.GA1382@redhat.com> <20141118020959.GA2091@redhat.com> Date: Mon, 17 Nov 2014 18:21:08 -0800 X-Google-Sender-Auth: WvpiR_po65u6BLbZK_Q3nezWgSU Message-ID: Subject: Re: frequent lockups in 3.18rc4 From: Linus Torvalds To: Dave Jones , Linus Torvalds , Linux Kernel , "the arch/x86 maintainers" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 17, 2014 at 6:09 PM, Dave Jones wrote: > > After wasting countless hours rolling back to Fedora 20 and gcc 4.8.1, > I saw the exact same trace on 3.17, so now I don't know what to think. Uhhuh. Has anything else changed? New trinity tests? If it has happened in as little as ten minutes, and you don't recall having seen this until about a week ago, it does sound like something changed. But yeah, try the softlockup_all_cpu_backtrace, maybe there's a pattern somewhere.. Linus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/