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=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 737D3C433DB for ; Fri, 5 Feb 2021 05:24:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3DB8064EE2 for ; Fri, 5 Feb 2021 05:24:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230161AbhBEFYY (ORCPT ); Fri, 5 Feb 2021 00:24:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229586AbhBEFYY (ORCPT ); Fri, 5 Feb 2021 00:24:24 -0500 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7F04C0613D6; Thu, 4 Feb 2021 21:23:43 -0800 (PST) Received: by mail-pl1-x62d.google.com with SMTP id j11so2965166plt.11; Thu, 04 Feb 2021 21:23:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=sfENSTnpSvaaqxS0nyqOketbMxXz6Eoy2Sb6irXF6Ww=; b=QpQYF0aU1rxGPUixZZamHAnkD9B21kAa/09eNDGJnYGTxHOwckNTo4aBK1egPOlLmX e0wnjFUq1j9MS7x0pL36qJgiPJkky+XwmQUktHLLKR5cK/xHJPcFn1wg2TX4xme62YhI 5hUvGsm0OkVNrpLD+SjuQDoIxeqLnknV0MvGRAh8P7C8PbwJ7UQ2KHPhlCCmc0c7oIlE xmITs7GqMtTsaK4xAqdD1/pjml3GifmzQ9YfvFyBgy/0+Bc/VVCGmPxIuYcwM0i37udy HgyqdUwwERQoWIM1/F2rLg8Uq3ugCUJGMDm3vq5xp9eQepnhIY7aZlu5vnTiWQcXHV/O 3Ung== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=sfENSTnpSvaaqxS0nyqOketbMxXz6Eoy2Sb6irXF6Ww=; b=EpBbQtU0A+jMeHKIG2fcuqOhCxIfoxnSPcq8ZHU/1SJxPBi+KW6cpQzEcsccIkhEn8 GhIe2lphiY0tXPRXZqbPIg+rU5krfcqBaHtiOfLJrBOVsWIzTQ8seAAvaVY/A/flPf4O KtpQyZPkx4jywWni3u2OppPbD0qx6/pi83N/i9Jg1w7vcwFqCbjJ92ShXK2Vv+rNy96n f8vqItKllG1+qfOM2mPnlTaLv7jWYN8mLfC3/Q7nIHT2OMkypYxH5HEpk/J/TWYCXvnJ XX/++pNTl/RfMUAwfXa1Mz1mJ8S9zakXwJfUHpGqSJykh7SkfyhDKr3hdeHU9Zjw4Sak JY5g== X-Gm-Message-State: AOAM532hxYvbUX7qdHLWwo8aF1tpDnTpcvWSXFg2AZUFkM5srEp/y3Vk qb+bvvCpWTdUjLN8f1zrxaM= X-Google-Smtp-Source: ABdhPJyCHSZ3KR2xex3trBm5CIiMra/bpXGjzKbC+RDrfpbh/w8A2mGfeQjgetzChiucOyaDkDioyg== X-Received: by 2002:a17:902:d886:b029:e1:7784:4db5 with SMTP id b6-20020a170902d886b02900e177844db5mr2612899plz.72.1612502623404; Thu, 04 Feb 2021 21:23:43 -0800 (PST) Received: from Asurada-Nvidia (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id z184sm4470833pfz.157.2021.02.04.21.23.42 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 04 Feb 2021 21:23:42 -0800 (PST) Date: Thu, 4 Feb 2021 21:24:23 -0800 From: Nicolin Chen To: Guillaume Tucker Cc: will@kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org, jonathanh@nvidia.com, vdumpa@nvidia.com, thierry.reding@gmail.com, joro@8bytes.org, kernel@collabora.com, Dmitry Osipenko , "kernelci-results@groups.io" Subject: Re: [PATCH RESEND v2 4/5] iommu/tegra-smmu: Rework tegra_smmu_probe_device() Message-ID: <20210205052422.GA11329@Asurada-Nvidia> References: <20201125101013.14953-1-nicoleotsuka@gmail.com> <20201125101013.14953-5-nicoleotsuka@gmail.com> <46a96cf9-91cc-2ad4-702a-e95ba7200375@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46a96cf9-91cc-2ad4-702a-e95ba7200375@collabora.com> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Hi Guillaume, On Thu, Feb 04, 2021 at 11:10:15AM +0000, Guillaume Tucker wrote: > Hi Nicolin, > > A regression was detected by kernelci.org in IGT's drm_read tests > on mainline, it was first seen on 17th December 2020. You can > find some details here: > > https://kernelci.org/test/case/id/600b82dc1e3208f123d3dffc/ Thanks for reporting the issue. We did test on Tegra210 and Tegra30 yet not on Tegra124. I am wondering what could go wrong... > Please let us know if you need any help debugging this issue or > to try a fix on this platform. Yes, I don't have any Tegra124 platform to run. It'd be very nice if you can run some debugging patch (I can provide you) and a fix after I root cause the issue. Thanks Nicolin