From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161282AbcBQLHF (ORCPT ); Wed, 17 Feb 2016 06:07:05 -0500 Received: from mail-wm0-f51.google.com ([74.125.82.51]:35227 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161231AbcBQLHC (ORCPT ); Wed, 17 Feb 2016 06:07:02 -0500 Date: Wed, 17 Feb 2016 12:06:59 +0100 From: Ingo Molnar To: Borislav Petkov Cc: Andy Lutomirski , "linux-kernel@vger.kernel.org" , X86 ML Subject: Re: WARNING: CPU: 0 PID: 3031 at ./arch/x86/include/asm/fpu/internal.h:530 fpu__restore+0x90/0x130() Message-ID: <20160217110659.GA10793@gmail.com> References: <20160211192741.GG5565@pd.tnic> <20160212170010.GE4099@pd.tnic> <20160215191422.GB32716@pd.tnic> <20160217081646.GA32354@gmail.com> <20160217092911.GA2023@pd.tnic> <20160217093511.GC19001@gmail.com> <20160217103141.GC2023@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160217103141.GC2023@pd.tnic> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Borislav Petkov wrote: > On Wed, Feb 17, 2016 at 10:35:12AM +0100, Ingo Molnar wrote: > > So it probably triggers on vanilla v4.4 (or v4.5-rc4) as well, with no > > recent FPU bits applied? > > Nope, 4.4 doesn't trigger. Lemme try some of those other commits... My guess is: 58122bf1d856 x86/fpu: Default eagerfpu=on on all CPUs but could be one of the others as well ... Thanks, Ingo