From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965098AbeALSvz (ORCPT + 1 other); Fri, 12 Jan 2018 13:51:55 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:35310 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964970AbeALSvx (ORCPT ); Fri, 12 Jan 2018 13:51:53 -0500 Date: Fri, 12 Jan 2018 19:51:44 +0100 (CET) From: Thomas Gleixner To: Laura Abbott cc: X86 ML , Linux Kernel Mailing List , stable@vger.kernel.org Subject: Re: Yet another KPTI regression with 4.14.x series in a VM In-Reply-To: Message-ID: References: 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 Return-Path: On Fri, 12 Jan 2018, Laura Abbott wrote: > Fedora got a bug report on 4.14.11 of a panic when booting a > Fedora guest in a CentOS 6 VM, not reproducible with nopti. > The issue is still present as of 4.14.13 as well. The only > report is a panic screenshot > https://bugzilla.redhat.com/show_bug.cgi?id=1532458 > > I've lost track of all the fixes that have been flying around, > is this a new issue or has a fix not yet made it to stable? Hmm. Looks kinda familiar, but that has been fixed I think even before 4.4.11. Could you please ask the reported to provide a full console log via the VM "serial console" ? Thanks, tglx