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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B6D5EC73C60 for ; Tue, 9 Jul 2019 23:00:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8879220844 for ; Tue, 9 Jul 2019 23:00:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727116AbfGIXAl (ORCPT ); Tue, 9 Jul 2019 19:00:41 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:46435 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726284AbfGIXAl (ORCPT ); Tue, 9 Jul 2019 19:00:41 -0400 Received: from pd9ef1cb8.dip0.t-ipconnect.de ([217.239.28.184] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hkz69-0007ym-0U; Wed, 10 Jul 2019 01:00:33 +0200 Date: Wed, 10 Jul 2019 01:00:32 +0200 (CEST) From: Thomas Gleixner To: Linus Torvalds cc: Ingo Molnar , Kees Cook , Linux List Kernel Mailing , Borislav Petkov , Len Brown , Peter Zijlstra , Andrew Morton , "Rafael J. Wysocki" , Tony Luck , Jiri Kosina , Bob Moore , Erik Schmauss Subject: Re: [GIT PULL] x86/topology changes for v5.3 In-Reply-To: Message-ID: References: <20190708162756.GA69120@gmail.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 10 Jul 2019, Thomas Gleixner wrote: > On Tue, 9 Jul 2019, Linus Torvalds wrote: > > I also don't have any logs, because the boot never gets far enough. I > > assume that there was a problem bringing up a non-boot CPU, and the > > eventual hang ends up being due to that. > > Hrm. I just build the tip of your tree and bootet it. It hangs at: > > [ 4.788678] ACPI: 4 ACPI AML tables successfully acquired and loaded > [ 4.793860] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored > [ 4.821476] ACPI: Dynamic OEM Table Load: > > That's way after the secondary CPUs have been brought up. tip/master boots > without problems with the same config. Let me try x86/asm alone and also a > revert of the CR4/CR0 stuff. x86/asm works alone revert of cr4/0 pinning on top of your tree gets stuck as well > And while writing this the softlockup detector muttered: Have not yet fully bisected it, but Jiri did and he ended up with c522ad0637ca ("ACPICA: Update table load object initialization") Reverting that on top of your tree makes it work again. Tony has the same issue. That still does not explain the cr4/0 issue you have. Can you send me your .config please? Thanks, tglx