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=-2.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,PLING_QUERY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_NEOMUTT 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 D1ADDC04AAC for ; Mon, 20 May 2019 16:06:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AFA9121721 for ; Mon, 20 May 2019 16:06:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392540AbfETQGk convert rfc822-to-8bit (ORCPT ); Mon, 20 May 2019 12:06:40 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:58073 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387973AbfETQGk (ORCPT ); Mon, 20 May 2019 12:06:40 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1hSko9-00056D-G8; Mon, 20 May 2019 18:06:37 +0200 Date: Mon, 20 May 2019 18:06:36 +0200 From: Sebastian Andrzej Siewior To: Pavel Machek Cc: kernel list , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org Subject: Re: 5.2-rc0.8: emacs segfaults?! x220, with 32-bit userland Message-ID: <20190520160636.z6fpjiidc2d5ko5g@linutronix.de> References: <20190519221700.GA7154@amd> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <20190519221700.GA7154@amd> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-05-20 00:17:01 [+0200], Pavel Machek wrote: > Hi! Hi, > emacs segfaults... when I attempt to exit it. And that did not use to > be the case. Nothing suspect in the dmesg. Rest of the machine seems > to work ok. … > Ideas welcome... I assume that this happens with -rc1, too. Could you please check if emacs still segfaults with commit d9c9ce34ed5c8 ("x86/fpu: Fault-in user stack if copy_fpstate_to_sigframe() fails") and commit 89833fab15d60 ("x86/fpu: Fix __user annotations") ? Sebastian