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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 07CBDC43610 for ; Tue, 13 Nov 2018 10:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C42AA22511 for ; Tue, 13 Nov 2018 10:20:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C42AA22511 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732172AbeKMURb (ORCPT ); Tue, 13 Nov 2018 15:17:31 -0500 Received: from mail.skyhub.de ([5.9.137.197]:60184 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732090AbeKMURb (ORCPT ); Tue, 13 Nov 2018 15:17:31 -0500 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id cV3JelEndFhk; Tue, 13 Nov 2018 11:20:04 +0100 (CET) Received: from zn.tnic (p200300EC2BE56F00D5714500C00E26FD.dip0.t-ipconnect.de [IPv6:2003:ec:2be5:6f00:d571:4500:c00e:26fd]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 9E6F81EC00CD; Tue, 13 Nov 2018 11:20:04 +0100 (CET) Date: Tue, 13 Nov 2018 11:20:04 +0100 From: Borislav Petkov To: Ingo Molnar Cc: Bjorn Helgaas , Jonathan Cameron , Linus Torvalds , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Lorenzo Pieralisi , Greg Kroah-Hartman , Bart Van Assche , Jens Axboe , Thomas Gleixner , Peter Zijlstra , Tom Lendacky Subject: Re: [GIT PULL] PCI changes for v4.20 Message-ID: <20181113102004.GC10502@zn.tnic> References: <20181023173934.GA14918@bhelgaas-glaptop.roam.corp.google.com> <20181113071712.GA2353@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20181113071712.GA2353@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 13, 2018 at 08:17:12AM +0100, Ingo Molnar wrote: > > * Bjorn Helgaas wrote: > > > PCI changes: > > > > - Pay attention to device-specific _PXM node values (Jonathan Cameron) > > There's a new boot regression, my AMD ThreadRipper system (MSI X399 SLI > PLUS (MS-7B09)) hangs during early bootup, and I have bisected it down to > this commit: > > bad7dcd94f39: ACPI/PCI: Pay attention to device-specific _PXM node values > > Reverting it solves the hang. > > Unfortunately there's no console output when it hangs, even with > earlyprintk. It just hangs after the "loading initrd" line. > > Config is an Ubuntu-ish config with PROVE_LOCKING=y and a few other debug > options. > > All my other testsystems boot fine with similar configs, so it's probably > something specific to this system. Lemme add Tom, he might have an idea. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.