Received: by 2002:a25:f815:0:0:0:0:0 with SMTP id u21csp2222145ybd; Mon, 24 Jun 2019 02:49:36 -0700 (PDT) X-Google-Smtp-Source: APXvYqzaHVvbwzTyH9ENxH+xkcKTZJFpnbJlGVBL5QJwctq2FFleBHK/JTvpJl235Mz4oesxv/a2 X-Received: by 2002:a17:902:be0a:: with SMTP id r10mr22874214pls.51.1561369775981; Mon, 24 Jun 2019 02:49:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561369775; cv=none; d=google.com; s=arc-20160816; b=vyjmwxmTyWmroB1ZfAiWmYWp2MErFz1uv45F0ABNzGc0D04oes6vqUpwyl+9J5n5Bp gyphC3ouSWKBhmV9qrneG33aN8sfzgb8uAnFy+QxKAbZwR08MnUYtrXQ3g8MdnIErPDK 1+ugmSl+JIZQrPRKR1yii9xaKuEmKuI8dRYJL/sEyuNLy+7uFaKMX5uxPM+z3mavS0Qn t0MADOQVF9+xwtI7Pfqnc0c5p9FzSGaK27MqmlWx66uPpnEPyu+3RYdIc3+fCmk3bUTY q0UNb0uuFM8B92gt/u0iUxFabo9I4Ba7zwA+puWriHHiWNw3AFj3zMWIZEyv7xnqLRDX NEWg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=QozUBYUyg8jBzGYdABMAMy3zpdLkq8qQVbZqGrbdmkI=; b=Y8OnyI98TAhRPTLpz7QKCRqEAZAmuu4aMNfficfnbKqdTIBAGPekPoil/fN3ppFV7J COYgwWv0mN+5XDd1LmDPyFmOkDVmbdYKn6LrbGgg5zRQRf47baQZHwiyQEMCLjnoXL7J 7PsJGfXpZKbl/wm1LmypxjlHnk9OJsgCqqxKiUX6PWsJLEJ46H2awNhXZfDWh3ENbHEN fbZO44KuJ1tNXanldtZACPp66bnOxJJivftO7QVlNT3dIrdzplJMauOOE5u6VlSlgqSz +B4w4S4+6cCenleJ9Ppj4FnDf9wFkkYJaMlak4QLnN5dL8rwI40Tosa9+aj/bu8VIFTn murg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=siemens.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t63si10920174pfb.5.2019.06.24.02.49.20; Mon, 24 Jun 2019 02:49:35 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=siemens.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728130AbfFXJaU (ORCPT + 99 others); Mon, 24 Jun 2019 05:30:20 -0400 Received: from thoth.sbs.de ([192.35.17.2]:51847 "EHLO thoth.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726632AbfFXJaT (ORCPT ); Mon, 24 Jun 2019 05:30:19 -0400 Received: from mail2.sbs.de (mail2.sbs.de [192.129.41.66]) by thoth.sbs.de (8.15.2/8.15.2) with ESMTPS id x5O9TxZj023904 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 24 Jun 2019 11:29:59 +0200 Received: from [167.87.13.35] ([167.87.13.35]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id x5O9Tvbl015092; Mon, 24 Jun 2019 11:29:57 +0200 Subject: Re: PREEMPT_RT_FULL on x86-32 machine To: Pavel Machek , linux-rt-users@vger.kernel.org, kernel list Cc: mwhitehe@redhat.com References: <20190622081954.GA10751@amd> From: Jan Kiszka Message-ID: <2804bc5b-18c1-2793-171c-045c0725a6a7@siemens.com> Date: Mon, 24 Jun 2019 11:29:56 +0200 User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 In-Reply-To: <20190622081954.GA10751@amd> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 22.06.19 10:19, Pavel Machek wrote: > 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. > Maybe you can also tell which version(s) you tried, and in which configuration(s), and how the crash looked like. Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux