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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 1CF3EC433E1 for ; Thu, 27 Aug 2020 15:17:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E99802080C for ; Thu, 27 Aug 2020 15:17:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="gyvCYGNT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728352AbgH0PRL (ORCPT ); Thu, 27 Aug 2020 11:17:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728737AbgH0Lg5 (ORCPT ); Thu, 27 Aug 2020 07:36:57 -0400 Received: from mail-vk1-xa42.google.com (mail-vk1-xa42.google.com [IPv6:2607:f8b0:4864:20::a42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9852C06121B for ; Thu, 27 Aug 2020 04:36:52 -0700 (PDT) Received: by mail-vk1-xa42.google.com with SMTP id k1so1160509vkb.7 for ; Thu, 27 Aug 2020 04:36:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=6ooHzlcK9ygV09BpTK5pdlKAaPmSuGBA3cYk3HsnGhI=; b=gyvCYGNTxFHy28eyjnJaOniu3Ngpdp7FgF/p36fg9mx0sA+iQINbuS4hvhSRgQZG4K M+praVM2M8rDtJE7oKQfrwNOlajEgitaFZ8KpSeGAgp/KojD+cIX5zlMCVGzOsQKlQyt pn9rgMBtz7Vo0inQZZ6f8dOZyO/B/86EIiCgW01LQI+LSfo0KB6Eup4DDxOEChXFXVYb VPQ49zrePMz2XHowV2ZJ7YId4fRiik+AUkqioR5XowJ5khWUi/UZRIl/z//ErbCUw8i6 lqZNx4cuUfQYKlWVDbtoB7wzyjoQOA+zcQmP1fZC/iCVWRMKlOmZL3sMkZNfXFHyHKUi qx4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=6ooHzlcK9ygV09BpTK5pdlKAaPmSuGBA3cYk3HsnGhI=; b=HBzRE5XermT46/dAGIKZQV1w4TTrIzAI4QRCpKrsdFoReaqcOKiqiTdzRkfaG1ZidV Ro2Dao3hFUih62rBD+uEzMFx6VfNxx1UeBFEm+UXmi4fC1Y1mABZUz5w+G6756ITY+vc oppMiUCxMeCnPrWC5W4WD0ew4i89lAxaG2pUHTwUNYd5/uomBBmEoS1s+J/VuynKyn4K hd52s0I5HgJd+gEAkxzhpu8oFAYUYeNup5vjgVAfCCkgbJjovtlm5XORVMFdKaawmq1c YE+cyhd/FEwxJCCjE3s+mkQURnnEGtQOSn5XU0E6Y6gRSpH5J5KugCAtNlfQu067DX4+ YDFg== X-Gm-Message-State: AOAM5337wYjYrwQqx0evPEcvn0CqKwS94ZRS5XsWlUdahSHtnN+hWtAG 2vHBdxYvPlBShH0kEyXBAQS1hRcmpDNH8EiYl88PDQ== X-Google-Smtp-Source: ABdhPJz2Kvyqr5m8SmXHIOwki3A50F7P9NH0AKIKPv9pKYpv2hoW0Imfg7W4iRAq/QvR+EZlcoBfEV1GThBF0OW1ank= X-Received: by 2002:a05:6122:5ad:: with SMTP id w13mr1188574vko.11.1598528210107; Thu, 27 Aug 2020 04:36:50 -0700 (PDT) MIME-Version: 1.0 References: <20200827090813.fjugeqbb47fachy7@vireshk-i7> <20200827101231.smqrhqu5da6jlz6i@vireshk-i7> In-Reply-To: <20200827101231.smqrhqu5da6jlz6i@vireshk-i7> From: Naresh Kamboju Date: Thu, 27 Aug 2020 17:06:38 +0530 Message-ID: Subject: Re: Kernel panic : Unable to handle kernel paging request at virtual address - dead address between user and kernel address ranges To: Viresh Kumar Cc: Arnd Bergmann , Rajendra Nayak , open list , Linux-Next Mailing List , Stephen Rothwell , linux-clk , linux-mmc , lkft-triage@lists.linaro.org, John Stultz , Daniel Lezcano , Ulf Hansson , Michael Turquette , Stephen Boyd , Lars Povlsen , madhuparnabhowmik10@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 27 Aug 2020 at 15:42, Viresh Kumar wrote: > > On 27-08-20, 11:48, Arnd Bergmann wrote: > > > > [ 3.680477] dev_pm_opp_put_clkname+0x30/0x58 > > > > [ 3.683431] sdhci_msm_probe+0x284/0x9a0 > > > > dev_pm_opp_put_clkname() is part of the error handling in the > > probe function, so I would deduct there are two problems: > > > > - something failed during the probe and the driver is trying > > to unwind > > - the error handling it self is buggy and tries to undo something > > again that has already been undone. > > Right. > > > This points to Viresh's > > d05a7238fe1c mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove_table() > > I completely forgot that Ulf already pushed this patch and I was > wondering on which of the OPP core changes I wrote have done this :( > > > Most likely this is not the entire problem but it uncovered a preexisting > > bug. > > I think this is. > > Naresh: Can you please test with this diff ? I have applied your patch and tested but still see the reported problem. Link to test job, https://lkft.validation.linaro.org/scheduler/job/1715677#L1886 - Naresh