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,USER_AGENT_SANE_1 autolearn=no 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 A7DA8C4321A for ; Fri, 28 Jun 2019 12:51:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A83B20644 for ; Fri, 28 Jun 2019 12:51:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726739AbfF1MvW (ORCPT ); Fri, 28 Jun 2019 08:51:22 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:58069 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726590AbfF1MvW (ORCPT ); Fri, 28 Jun 2019 08:51:22 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id B13E38067C; Fri, 28 Jun 2019 14:51:09 +0200 (CEST) Date: Fri, 28 Jun 2019 14:51:20 +0200 From: Pavel Machek To: Sebastian Andrzej Siewior Cc: Jan Kiszka , linux-rt-users@vger.kernel.org, kernel list , mwhitehe@redhat.com Subject: Re: PREEMPT_RT_FULL on x86-32 machine Message-ID: <20190628125120.GB21311@amd> References: <20190622081954.GA10751@amd> <2804bc5b-18c1-2793-171c-045c0725a6a7@siemens.com> <20190624105340.GA21414@amd> <20190624132748.n4lgg4swj4nzirdb@linutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="/WwmFnJnmDyWGHa4" Content-Disposition: inline In-Reply-To: <20190624132748.n4lgg4swj4nzirdb@linutronix.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org --/WwmFnJnmDyWGHa4 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 messag= es > > > >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. > >=20 > > 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. > >=20 > > I tried 4.19.13-rt1-cip1 among others. Crash is early in boot, I can > > try some early printing... >=20 > The latest is v4.19.50-rt22 I would suggest that one. There was a bug > which was fixed either in 4.19.23-rt14 or in the following version. >=20 > If the latest one does not work please let me know and I will have a > look. Ok, let me try again. It seems the kernel based on the latest one works ok. Even suspend/resume works. Thanks, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --/WwmFnJnmDyWGHa4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAl0WDUcACgkQMOfwapXb+vK5yQCeNKjG3rGjgsx9KqLkf32RYiJ9 6QMAnjOqSXA6Nqzzcac6pveqLSi0VimQ =luiT -----END PGP SIGNATURE----- --/WwmFnJnmDyWGHa4--