Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp1084793pxb; Tue, 3 Nov 2020 22:47:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJwuTg/bBWlXntZGBX8CdSfIMdCt45D4S8jBOYDgoBILF1zA/J5T2SRgzpYkWA4ICny+k6Uj X-Received: by 2002:a17:906:b084:: with SMTP id x4mr24501503ejy.374.1604472437974; Tue, 03 Nov 2020 22:47:17 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1604472437; cv=none; d=google.com; s=arc-20160816; b=Ma62nH/m+/vXEXyS9+WVHRz63GUmJyqdXptBsF8Ru45hJNp2Ax2++UnWfCkbOe6Ung up9SwmeeYRHvwWlkk3/fxxpgsy/vVhIGUEDD4otBfbsXJmb1wGY+y89qgZ9Dd2n5FpT7 lU4Nc5ZTWqoRWc9cZfSxp/V462F+KU6XPEcMDEk+ITkLGWaiWslRyUZZ5VHcC1sUhVcA KFh6TEmbXA0ftdayo/pEGYLGzEgn/oHkgeUV3e0YXwLO5PlRmcilSyoUOPf8r5LGN/bg Qi3JD5EUdl+f4wM5DX1qHeRQwq6c1ESk7BZBjFhFOh1ddHylvFvSzcRLiwlTgaKHFiH0 oPAw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=7V2LHQuyBO1Mz/hat6AxelihqOwkWXOdx97leGw1t5c=; b=z3dlq+xlMdhqPmtc1Q8nIw3KY/f9ecUPwIzsaR0AfhFtydCqXHWo3FxJAlukH/G/Kd V4NEl6yMaaot38V9e7ZX9B9CGleWOCQjRr1LSXHktjZDfn+7k55lE22+CsYP/tm8901M eUQIWtLjxVUtg/Lopea28AfoDyykwQKt9W5PfsXbaTj/4Jn23dMB1w4vKo3+ml4w+P2e /QtbjP0IG8VeClgTHyC8iD447Eu9wp8j+mRt97et32V1fgId4UFiDIUiaFG6JHbL+Yn2 Ij17t+DgTl/Cgrom+FC/VWo8aBa/77oSdtFIG79MVZnNRQ9+uFuWHl1/jQXF5Ok0tW9n 6ruA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f23si865407ejb.6.2020.11.03.22.46.54; Tue, 03 Nov 2020 22:47:17 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727651AbgKDGog (ORCPT + 99 others); Wed, 4 Nov 2020 01:44:36 -0500 Received: from pegase1.c-s.fr ([93.17.236.30]:23788 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725926AbgKDGof (ORCPT ); Wed, 4 Nov 2020 01:44:35 -0500 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4CQxw02z0rz9tyPY; Wed, 4 Nov 2020 07:44:32 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id dDuwbj7axkAB; Wed, 4 Nov 2020 07:44:32 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4CQxw01tGMz9tyPX; Wed, 4 Nov 2020 07:44:32 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 2F1118B7E0; Wed, 4 Nov 2020 07:44:33 +0100 (CET) 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 pT5JxX0as3Cj; Wed, 4 Nov 2020 07:44:33 +0100 (CET) Received: from [192.168.4.90] (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id CF2908B75E; Wed, 4 Nov 2020 07:44:32 +0100 (CET) Subject: Re: [PATCH] powerpc/32s: Setup the early hash table at all time. To: Serge Belyshev Cc: Andreas Schwab , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <87wnz8vizm.fsf@igel.home> <87y2jouw8k.fsf@mpe.ellerman.id.au> <87v9esaxlv.fsf@igel.home> <20201030140047.Horde.TJJqKGzG9vSGbMRNIj-MPg7@messagerie.c-s.fr> <87pn4zc0zl.fsf@igel.home> <1f8494cd-36db-e3a2-8ea4-28fb976468e7@csgroup.eu> <875z6mmfna.fsf@depni.sinp.msu.ru> From: Christophe Leroy Message-ID: <5acd7caf-99e9-9cb5-ed24-578d2e0a5ee1@csgroup.eu> Date: Wed, 4 Nov 2020 07:44:32 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: <875z6mmfna.fsf@depni.sinp.msu.ru> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 03/11/2020 à 19:58, Serge Belyshev a écrit : >> Would you mind checking that with that patch reverted, you are able to >> boot a kernel built with CONFIG_KASAN ? > > I can reproduce the same problem on a powerbook G4, and no, > CONFIG_KASAN=y kernel with that patch reverted also does not boot with > the same symptom: white screen at the bootloader right after "Booting Linux > via __start() @ 0x0140000 ..." > Thanks for the test Serge. To be sure we are not in front of a long lasting bug, could you try CONFIG_KASAN=y on v5.9 ? Christophe