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=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 5336FC2D0A3 for ; Wed, 4 Nov 2020 07:59:37 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 2FA8822384 for ; Wed, 4 Nov 2020 07:59:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2FA8822384 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=depni.sinp.msu.ru Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CQzZY5T0LzDqc7 for ; Wed, 4 Nov 2020 18:59:33 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=depni.sinp.msu.ru (client-ip=213.131.7.21; helo=depni-mx.sinp.msu.ru; envelope-from=belyshev@depni.sinp.msu.ru; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=depni.sinp.msu.ru Received: from depni-mx.sinp.msu.ru (depni-mx.sinp.msu.ru [213.131.7.21]) by lists.ozlabs.org (Postfix) with ESMTP id 4CQzXn5nxvzDqRD for ; Wed, 4 Nov 2020 18:57:59 +1100 (AEDT) Received: from spider (unknown [176.192.246.239]) by depni-mx.sinp.msu.ru (Postfix) with ESMTPSA id CA4711BF43D; Wed, 4 Nov 2020 10:57:58 +0300 (MSK) From: Serge Belyshev To: Christophe Leroy Subject: Re: [PATCH] powerpc/32s: Setup the early hash table at all time. 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> <5acd7caf-99e9-9cb5-ed24-578d2e0a5ee1@csgroup.eu> Date: Wed, 04 Nov 2020 10:57:53 +0300 In-Reply-To: <5acd7caf-99e9-9cb5-ed24-578d2e0a5ee1@csgroup.eu> (Christophe Leroy's message of "Wed, 4 Nov 2020 07:44:32 +0100") Message-ID: <871rh9mu4e.fsf@depni.sinp.msu.ru> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain 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: Paul Mackerras , Andreas Schwab , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Christophe Leroy writes: > To be sure we are not in front of a long lasting bug, could you try > CONFIG_KASAN=y on v5.9 ? Indeed it started to fail somewhere between v5.6 and v5.7. v5.7 fails early with few messages on the console with reboot, v5.8 and later hang right at bootloader. I'm bisecting now.