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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 1EF5BC433E0 for ; Tue, 16 Jun 2020 13:16:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F08FD20FC3 for ; Tue, 16 Jun 2020 13:16:05 +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="PVcJo7R8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728176AbgFPNQE (ORCPT ); Tue, 16 Jun 2020 09:16:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725843AbgFPNQE (ORCPT ); Tue, 16 Jun 2020 09:16:04 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6BF83C061573 for ; Tue, 16 Jun 2020 06:16:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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=d2Qi6sbKjWlfxvdSKWGefEgTU/TERTHm/fKo82Nv+0Y=; b=PVcJo7R83vnv37pVgSyHEVhXNQ LWIAs9quZ4MfrjQ9rQ7SjzRvww5SvZ1d6CEQTBPOBDVr0Bg1YEa2lGPlsnWtg4KHFHmhPRVwfqzHf 5G/vhVKV7uXjVSsmVjZfaoQFoojhHCWbRU8DNMGB7F1nDDOhbpODqyMAmfJsYvrbFNonJtDhFa41u 3KFDXNxzGzMXFr8U8eRBVzc7IB38k2rxCuPSjeiTgMtkw62chUgsvJ3aF8dFP8X3zSzei5IYEmmYo 0ss0k3mvEUpBWbJEUmIX9dS9oJaGNiZC0CZYgkMSHbWej2gy/FnHhNN0SIHAEnSFjcTKoBQmNMEr9 D+jjrKmw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jlBRV-0002vs-OM; Tue, 16 Jun 2020 13:15:57 +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 70DEA3017B7; Tue, 16 Jun 2020 15:15:55 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 551C929C11D5E; Tue, 16 Jun 2020 15:15:55 +0200 (CEST) Date: Tue, 16 Jun 2020 15:15:55 +0200 From: Peter Zijlstra To: Jinpu Wang Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Juri Lelli , Vincent Guittot Subject: Re: [BUG] divide error select_idle_sibling+0x36b Message-ID: <20200616131555.GU2531@hirez.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 16, 2020 at 03:07:00PM +0200, Jinpu Wang wrote: > [7623813.970839] CPU: 10 PID: 46544 Comm: qemu-2.7 Tainted: G > O 4.14.154-1-pserver #4.14.154-1.1~deb9 Please try on a kernel from this century.