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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,PLING_QUERY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 6E952C04AAC for ; Mon, 20 May 2019 23:13:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BD292171F for ; Mon, 20 May 2019 23:13:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727057AbfETXNp (ORCPT ); Mon, 20 May 2019 19:13:45 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:44282 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726164AbfETXNp (ORCPT ); Mon, 20 May 2019 19:13:45 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 9F9AB8030E; Tue, 21 May 2019 01:13:32 +0200 (CEST) Date: Tue, 21 May 2019 01:13:42 +0200 From: Pavel Machek To: Sebastian Andrzej Siewior 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: <20190520231342.GA20835@amd> References: <20190519221700.GA7154@amd> <20190520160636.z6fpjiidc2d5ko5g@linutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="3MwIy2ne0vdjdPXF" Content-Disposition: inline In-Reply-To: <20190520160636.z6fpjiidc2d5ko5g@linutronix.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3MwIy2ne0vdjdPXF Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. > =E2=80=A6 > > Ideas welcome... >=20 > I assume that this happens with -rc1, too. Could you please check if > emacs still segfaults with commit >=20 > d9c9ce34ed5c8 ("x86/fpu: Fault-in user stack if copy_fpstate_to_sigfram= e() fails") >=20 > and commit >=20 > 89833fab15d60 ("x86/fpu: Fix __user annotations") >=20 > ? I don't have reproducible test case :-(. I had two or three failures so far. Best regards, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --3MwIy2ne0vdjdPXF Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlzjNKYACgkQMOfwapXb+vIbQgCdGpLb+RiI8xUDh9JkMjagiEYK MZYAnia/9SFoppzCNtLy3IGeCfzdKtvU =ZjfV -----END PGP SIGNATURE----- --3MwIy2ne0vdjdPXF--