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=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URI_HEX, USER_AGENT_SANE_1 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 92123C76192 for ; Wed, 17 Jul 2019 21:00:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5B04F2173E for ; Wed, 17 Jul 2019 21:00:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="ektFhzBN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727147AbfGQVAf (ORCPT ); Wed, 17 Jul 2019 17:00:35 -0400 Received: from mout.gmx.net ([212.227.15.15]:39969 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726063AbfGQVAf (ORCPT ); Wed, 17 Jul 2019 17:00:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1563397203; bh=lbP5TJW7MnckQAfFQUkMeoQUjfES7ZHOxL8cNrMploY=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=ektFhzBNMOGItAKX/muu3nJ5VYyOECS0VpmYtZ/3UYwRm59mOjCmysVKLDu6VSU2y zOxZjD4ZkAjN5HVrkwfg/XUPTsqp0SJOZ/0jtg12L+ToeMoxIBWwvxo99+oksRBddJ g1cuVjv0cCwWXT8OcCq80fH6pO5s7u9HhlaECvv0= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.20.60] ([92.116.173.44]) by mail.gmx.com (mrgmx003 [212.227.17.190]) with ESMTPSA (Nemesis) id 0LwZtX-1iW6GK0o51-018MP0; Wed, 17 Jul 2019 23:00:03 +0200 Subject: Re: Running the gdb 7.12.1 testsuite breaks kernel 4.13.8 on C8000 To: Rolf Eike Beer , linux-parisc@vger.kernel.org References: <11946948.1Lt8Nslq4k@devpool21> <029de4f5-62db-7d74-7619-3c7888ce4f9c@gmx.de> <5e2ad677-7062-98d2-a6c5-577df02132d4@gmx.de> <1957442.0sSArhqTEx@daneel.sf-tec.de> From: Helge Deller Message-ID: Date: Wed, 17 Jul 2019 23:00:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1957442.0sSArhqTEx@daneel.sf-tec.de> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Ue0JJQgmN1Gq6Aat/bYA5MKAWUVrV3K5p53qFY2GLXs2v14MJrB Pyxo8DtL/ZmnI6FxaUxg2R6mS7u9P+yziY72pQ0lACQolaR6CQXkKcHmlTvg45LOZHgcQCI kHNyhj62C+9fp369tZw/CzV5JYpbvd+ICg2lrA3AgPhw/EZLSvRIY17mUgNc028+z9bvWVh hiOCeca3NwIdr3EIAru9w== X-UI-Out-Filterresults: notjunk:1;V03:K0:uGjeeg5cAVM=:qRhCla2rB+ikmLDJL9rXMn E0dyyWMOXCxqo/0rX77dFz+zso2fUaFzStsN0PJLH2C+kOBmu06Dka+TAd0fmJzYOGFJ1alTg /kUvn/m/RkqBjpe/wEmFHhdoWPRSbTWx68JAZuyltfPYjt1NLQ+9d/MlHCShKCfLw3t/96Gdg j3aMU0prz3MvN60FoMt6j99sbv5771+wh3qFJTdn+CpMRzTCNB03171WC2VCDnc+AuZD7TfUf cXn4vYSlYdt0lGh2LUgtTvW9XeL/YjRoDzh5kqtdUyc1/Sw+IQh2oarZHZBKq2Unnr0G0XxgH CFerpDo2v6puxhUACZ59g9dbSFDwpW4CdtJ2d7rKQc40Zw7pAL0RWHW1sF41GArg/dvL9EfTO VzqW2RmDCnn5co4Nv1BqZTezEJN9/a10Ggb0/pQXI/OkMgJ3lnYy+EHjGg7DwE8pSck1MlNNx dRCdd3b+SguGDcx7lMJB4rnkIesYl3plIs0KEHqdCS/uzV5BCP3O2GG5pOBGy7VOeatSvrr3E CNkbt70ApTfgFiYLplJ1suz5M40fd9cuR8ztPI3Zxqz1hEEeDL1Gzm6sDb4HYPP4ilGCOrtcS A6vS0hyckwQvRsAD1uV6loyv9xWD4jbSrsY+vwNwoN/i72eHfNrgNMuJiVwi7zjuM8yPLjOtp 8oCMEnSh3bFvdrpXorxvlSVc7sUprRsdxZu2tKFKw4juRfFwusviKjlkoD1xc+hSbwPzyMaZA Bt6yTykgFYRnLzA71LP9NJgevmDUDIXPX+9NsVfW/wXpOzA8xOEsgZY3fE409x3kCmp+4MZk6 l6x47lLYcg4I5fBYaoVZaAg/4IwF/dCfh3igamWWNr+ivYw+7oQ46+tGEGnamBJ+Q8ZKI9E4y DmyYD69D4wvlFqbLKNduvn2Z0LcbOsOH1QQzyCKoA/ybKRjMZnBkJcjNAhRnQyP3qvvVAx95b KqfYyEgZW2FsWEbhly0Pi4nnRhO1nye16ORJtqBfeN3skSECpksWwh6g+hsIXkidb2cqCDnrh koEw2guFVEQ+aApXqXgEytjBZUu50/0pGUFG+gSgB4/5FNeTRfYVGVcj3HX1e+d/diyP4ZQ3b Shs6WyT6Qvnq24= Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On 17.07.19 19:52, Rolf Eike Beer wrote: > Helge wrote: >> Hi Rolf, >> >> On 02.07.19 17:59, Helge Deller wrote: >>>>> This seems to be a minimal reproducer: >>>>> https://481768.bugs.gentoo.org/attachment.cgi?id=3D361728 >>> >>> That's a REALLY nasty bug! >> >> I think I finally fixed the issues for 32- and 64-bit kernels. >> >> Can you please test the three patches in my ptrace-bugfix3 git tree? >> https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git= /log/ >> ?h=3Dptrace-bugfix3 > > I applied them on top of 5.2.0 and tested it on my C8000, it survived th= e > whole gdb 8.1.2 testsuite. Great. Thanks for testing. > The results are horrible, but the machine is still > up and running, just a couple of these: > > [ 4481.730278] INEQUIVALENT ALIASES 0x41000000 and 0x42e81000 in file ki= ll- > detach-inferiors-cmd > [ 8944.224759] INEQUIVALENT ALIASES 0x41ed2000 and 0x4171c000 in file mu= lti- > attach Usually those are uncritical. > So feel free to add my Tested-by. I'll do. Helge