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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 44C5BC433ED for ; Thu, 13 May 2021 15:52:21 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0CF766117A for ; Thu, 13 May 2021 15:52:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0CF766117A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Fgx4L0p28z303n for ; Fri, 14 May 2021 01:52:18 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.235.10; helo=pegase2.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from pegase2.c-s.fr (pegase2.c-s.fr [93.17.235.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Fgx3w2Gc5z2xv4 for ; Fri, 14 May 2021 01:51:52 +1000 (AEST) Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4Fgx3n2g6Sz9sbl; Thu, 13 May 2021 17:51:49 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1v0K3aD9gocb; Thu, 13 May 2021 17:51:49 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4Fgx3n1b53z9sbh; Thu, 13 May 2021 17:51:49 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id D16978B7F5; Thu, 13 May 2021 17:51:48 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id R667az-uES0N; Thu, 13 May 2021 17:51:48 +0200 (CEST) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C7AD28B76C; Thu, 13 May 2021 17:51:45 +0200 (CEST) Subject: Re: [FSL P50x0] Xorg always restarts again and again after the the PowerPC updates 5.13-1 To: Christian Zigotzky References: <72e138cd-5201-a059-e8aa-cebc3db4029c@csgroup.eu> <65116250-6EEB-4419-8A7D-B0882379A68B@xenosoft.de> <781a426e-8561-108f-0e5c-9393bc653e86@xenosoft.de> From: Christophe Leroy Message-ID: <56899373-f821-62e2-26ab-b1a98b3fe2e2@csgroup.eu> Date: Thu, 13 May 2021 17:51:33 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <781a426e-8561-108f-0e5c-9393bc653e86@xenosoft.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Darren Stevens , "R.T.Dickinson" , mad skateman , linuxppc-dev , Christian Zigotzky Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 13/05/2021 à 17:19, Christian Zigotzky a écrit : > On 13 May 2021 at 12:01 pm, Christophe Leroy wrote: >> >> >> Le 13/05/2021 à 08:47, Christian Zigotzky a écrit : >>> Hi Christophe, >>> >>>> On 9. May 2021, at 19:37, Christophe Leroy wrote: >>>> >>>> Did I do an error in my analysis ? >>> >>> No, you didn’t. On the contrary you have found the issue. ;-) The issue is somewhere in the new >>> interrupt code. >> >> I'm not convinced, but let's give it a try. >> >>> >>>> ZZ | * | ceff77efa4f8 powerpc/64e/interrupt: Use new interrupt context tracking scheme >>> >>> Could you please create a patch for reverting the new interrupt code? I would like to confirm >>> your result. >> >> Please fetch https://github.com/chleroy/linux.git and try the branch for_christian. >> >> This is a revert of approx a dozen of commits around the changes to 64e on top of v5.13-rc1. >> >> If the top of the branch works for you, it would be great if you can find out which one of the >> reverts fixes the problem for real. >> >> Thanks >> Christophe > It's working! Great! I can use the RC1 on my FSL P5040. Thank you! The issue is definitely somewhere > in the interrupt code. Please tell me the next steps. > Can you bisect between 5.13-rc1 and the top of the 'for_christian' branch to find the first 'good' commit ? Take care it is an "up side down" bisect, a 'good' is one that does _not_ work and a 'bad' is a commit that works. git bisect start git bisect bad 1c8f441f1485 git bisect good 6efb943b8616 Christophe