From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DD2DC433DF for ; Wed, 10 Jun 2020 09:51:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C76F206F4 for ; Wed, 10 Jun 2020 09:51:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="B12PawCG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727971AbgFJJvS (ORCPT ); Wed, 10 Jun 2020 05:51:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726134AbgFJJvR (ORCPT ); Wed, 10 Jun 2020 05:51:17 -0400 Received: from merlin.infradead.org (unknown [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8394AC03E96B for ; Wed, 10 Jun 2020 02:51:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=CH9odIVhPX5FVHMV+K1sA5Qpo6krlVJ8Eisnid5ZZZw=; b=B12PawCGZwa1sdACkvN5a720uk Rw9yh7HGh7NOqwtDeM+ShYLAjT5t5D+iCti3ZnCrB0m4/Z9PBmh9TGmm/uk2zD8Flegt+GslnllUP D87D6svzTDRnJ8Geq8a3l7znmNmKBNqNQvVjKAo1iiXVipZN+iZw8HHwBjR1h16cuaWkiqayUuDtK cX3T+e/cpxP9AX7LNVKCwAmB/Ecp7WQ/10TIXrlNqLh7N9EO4rnTwrVDeJ9uGQwbYIFS/K5GzXYY0 Nn4i+eRiOJj9dE/Qdma8oUoq4q9Sd11kP4ektnW3LnYDB8y+uIHJhSFXNA9oyWorUnxSim2gtDZTj G1xrQMCg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jixNo-0000wL-IB; Wed, 10 Jun 2020 09:50:56 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 23A3F30280E; Wed, 10 Jun 2020 11:50:54 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 0A32A21071930; Wed, 10 Jun 2020 11:50:54 +0200 (CEST) Date: Wed, 10 Jun 2020 11:50:54 +0200 From: Peter Zijlstra To: kernel test robot Cc: Ingo Molnar , LKML , lkp@lists.01.org, rui.zhang@intel.com Subject: Re: [smp] b2a02fc43a: suspend-stress.fail Message-ID: <20200610095054.GF2531@hirez.programming.kicks-ass.net> References: <20200610083502.GF12456@shao2-debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200610083502.GF12456@shao2-debian> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 10, 2020 at 04:35:02PM +0800, kernel test robot wrote: > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: b2a02fc43a1f40ef4eb2fb2b06357382608d4d84 ("smp: Optimize send_call_function_single_ipi()") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: suspend-stress > with following parameters: > > mode: freeze > iterations: 10 > > > > on test machine: 2 threads Broxton with 4G memory > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > > > the result of this commit: > > test started No dmesg output? No splat?