From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754505AbdL1Xgo (ORCPT ); Thu, 28 Dec 2017 18:36:44 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:33441 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751199AbdL1Xgn (ORCPT ); Thu, 28 Dec 2017 18:36:43 -0500 Date: Fri, 29 Dec 2017 00:36:37 +0100 (CET) From: Thomas Gleixner To: Alexandru Chirvasitu cc: Dou Liyang , Pavel Machek , kernel list , Ingo Molnar , "Maciej W. Rozycki" , Mikael Pettersson , Josh Poulson , Mihai Costache , Stephen Hemminger , Marc Zyngier , linux-pci@vger.kernel.org, Haiyang Zhang , Dexuan Cui , Simon Xiao , Saeed Mahameed , Jork Loeser , Bjorn Helgaas , devel@linuxdriverproject.org, KY Srinivasan Subject: Re: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop In-Reply-To: <20171228233058.c76a4upqbx6elmvg@D-69-91-141-110.dhcp4.washington.edu> Message-ID: References: <20171228160522.GC10658@chirva-slack.chirva-slack> <20171228172250.GD10658@chirva-slack.chirva-slack> <20171228175009.ucxr4to2nb42e3s4@D-69-91-141-110.dhcp4.washington.edu> <20171228225014.GE10658@chirva-slack.chirva-slack> <20171228233058.c76a4upqbx6elmvg@D-69-91-141-110.dhcp4.washington.edu> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 28 Dec 2017, Alexandru Chirvasitu wrote: > Attached, but heads up on this: when redirecting the output of lspci > -vvv to a text file as root I get > > pcilib: sysfs_read_vpd: read failed: Input/output error > > I can find bugs filed for various distros to this same effect, but > haven't tracked down any explanations. Weird, but the info looks complete. Can you please add 'pci=nomsi' to the 4.15 kernel command line and see whether that works? Thanks, tglx