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_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 F3297ECE563 for ; Mon, 17 Sep 2018 06:13:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7633214C4 for ; Mon, 17 Sep 2018 06:13:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7633214C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com 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 S1728265AbeIQLjB (ORCPT ); Mon, 17 Sep 2018 07:39:01 -0400 Received: from mga12.intel.com ([192.55.52.136]:56892 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726075AbeIQLjB (ORCPT ); Mon, 17 Sep 2018 07:39:01 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Sep 2018 23:13:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,384,1531810800"; d="scan'208";a="92340624" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.157]) by orsmga002.jf.intel.com with SMTP; 16 Sep 2018 23:12:18 -0700 Received: by lahna (sSMTP sendmail emulation); Mon, 17 Sep 2018 09:12:17 +0300 Date: Mon, 17 Sep 2018 09:12:17 +0300 From: Mika Westerberg To: Peter Anemone Cc: rjw@rjwysocki.net, lenb@kernel.org, bhelgaas@google.com, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [REGRESSION][BISECTED] Boot stall related to drivers/pci/hotplug/acpiphp_glue.c Message-ID: <20180917061217.GI14465@lahna.fi.intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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 Mon, Sep 17, 2018 at 08:58:50AM +0300, Peter Anemone wrote: > Dear kernel developers > I reported a bug at Bugzilla, but Greg Kroah-Hartman pointed me in > mailing lists. Here's my bug report: > > Linux has been unbootable for me from 4.18 upwards. Even the fallback > image does not boot. This has not been fixed yet in 4.19-rc3. acpi=off > kernel parameter lets me boot 4.18.6 and 4.19-rc3. > > I used git bisect to track down the first bad commit: > 84c8b58ed3addf17d3beb2e5037b001ffa65c5ef > > The commit is about: > "ACPI / hotplug / PCI: Don't scan bridges managed by native hotplug" > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=84c8b58ed3addf17d3beb2e5037b001ffa65c5ef > > Linux 4.17 booted fine. Reverting commit > 84c8b58ed3addf17d3beb2e5037b001ffa65c5ef makes 4.18 and 4.19-rc3 > bootable again (without the acpi=off parameter). > > Information about my system: > Model: HP 6730b laptop > CPU: Intel Core 2 Duo P8600 > Boot manager: systemd-boot (UEFI) > More information of my system as attachments on the bug report at Bugzilla. > > Link to the bug report: > https://bugzilla.kernel.org/show_bug.cgi?id=201127 Thanks for the report. Since there is bugzilla about the issue already, let's continue investigation there. Can you also attach full dmesg of the failure (if possible) to the bug?