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,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 5F13DC43613 for ; Mon, 24 Jun 2019 10:53:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3583720820 for ; Mon, 24 Jun 2019 10:53:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729481AbfFXKxo (ORCPT ); Mon, 24 Jun 2019 06:53:44 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:45954 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728616AbfFXKxo (ORCPT ); Mon, 24 Jun 2019 06:53:44 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 84BD580583; Mon, 24 Jun 2019 12:53:30 +0200 (CEST) Date: Mon, 24 Jun 2019 12:53:40 +0200 From: Pavel Machek To: Jan Kiszka Cc: linux-rt-users@vger.kernel.org, kernel list , mwhitehe@redhat.com Subject: Re: PREEMPT_RT_FULL on x86-32 machine Message-ID: <20190624105340.GA21414@amd> References: <20190622081954.GA10751@amd> <2804bc5b-18c1-2793-171c-045c0725a6a7@siemens.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="bp/iNruPH9dso1Pn" Content-Disposition: inline In-Reply-To: <2804bc5b-18c1-2793-171c-045c0725a6a7@siemens.com> 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 --bp/iNruPH9dso1Pn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > >Is full preemption supposed to work on x86-32 machines? > > > >Because it does not work for me. It crashes early in boot, no messages > >make it to console. Similar configuration for x86-64 boots ok. > > >=20 > Maybe you can also tell which version(s) you tried, and in which > configuration(s), and how the crash looked like. I wanted to know if the configuration is supposed to work at all before starting heavy debugging. From your reply I assume that it should work. I tried 4.19.13-rt1-cip1 among others. Crash is early in boot, I can try some early printing... Best regards, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --bp/iNruPH9dso1Pn Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAl0Qq7QACgkQMOfwapXb+vJyDACeP59RoR7aVylUsn23lBsPwPI+ qlcAoJKBq4fQiNWjs1QKL6ElJCSlVJGi =oK2q -----END PGP SIGNATURE----- --bp/iNruPH9dso1Pn--