Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp2440535ybt; Tue, 16 Jun 2020 06:18:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy7Xu0ZvNrsn1oU5hEFN4iAneYrCM8eDUqcLzY5bdwo631sGgUPAjkAM8Cpy7Z5/IVvL1M8 X-Received: by 2002:a17:906:cede:: with SMTP id si30mr2818177ejb.315.1592313501618; Tue, 16 Jun 2020 06:18:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592313501; cv=none; d=google.com; s=arc-20160816; b=gYfk+UuG+Fog1wcZHKbGImkAGxzs84wpFKf/cHov6x4x3kx7ujSIlawFrxRl9kjSVw RrOcigrG1Fq2KeSnG+jfFhGDd6GxUnwX3zcvCc/ELJEu7M3QGSiy9xvZL6CnKv3cZzec 8Wd9IIRFuRjzDYFMn8sMv/It/j2/EnT4wgoPEOmDM8ONqjelcRj4gpdliNgyw1OfHlSb 7kB7MfJ0mXyvHrVBBVazzwHq3SOb3z3n5uNz0mSOs9QEMM8GgA96f3p9Ff28QFF7TD6v o5FFomTlsQz50+f4ml3DIL9D2eHXFGfAwm1oPnobKpwC2uqaS4KQsGfv3EGfXMqNdZTN NObA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=d2Qi6sbKjWlfxvdSKWGefEgTU/TERTHm/fKo82Nv+0Y=; b=oQuP4Fj6TcZyxjsJ0PyVXddOtk3llupxbKNY67DSt2cYvYHkupvI3R7LpfgWCM0/mb 4YnKc9l2XmHwHAHW+KvY1Ib2+q+9b4NO3Mnk61hM3oDItlZqSQZ2iDezfbesI+Vkst4Q sbjyj77w8QEbjYVqbhfWujpBbT5zA9yLhVDXixukWoAuZdI9/EaNjpqEW6T0ymEuQGJg 6xqZiP0r8yhH59HOWzIq6lqacPDLsdtKjk6VedF8Ol+ZL3Dol/oaxU/czirA2yaL5Grg x4QYkv+W3rMPnn+pThgP1LT79d1Eh9ew4zRYHEudt0lXZ6FyvxKjUKc2tnjUYqDzAaWY 7p4w== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=PVcJo7R8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q17si11953648edb.42.2020.06.16.06.17.58; Tue, 16 Jun 2020 06:18:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=PVcJo7R8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726606AbgFPNQE (ORCPT + 99 others); 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.