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=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 667B5C4338F for ; Wed, 28 Jul 2021 13:11:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3D66A60FED for ; Wed, 28 Jul 2021 13:11:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236185AbhG1NL4 (ORCPT ); Wed, 28 Jul 2021 09:11:56 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:44385 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235204AbhG1NLy (ORCPT ); Wed, 28 Jul 2021 09:11:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1627477912; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=aQ+852563VaNS2uiQQ1GclOgDI9K53wVa6AHNRjzjGc=; b=dBeYazUXrIeZ1qFTB5FR6T94DwPE78/YdVIgFBxpXeMlEfTGGH1M6VsYMX6xM0X4Wx3XLd oOj55Y8LVMkxXYEgbdtEgzn9zYoeNuXl7lfgPJ9LUilV+naV4uT60FGudvhk9jMvYmExjG CrZM64RKBaCPBLkmP7MsMNaAwHPAcfk= Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-377-moGlsMOKP8So6bu32cf__g-1; Wed, 28 Jul 2021 09:11:48 -0400 X-MC-Unique: moGlsMOKP8So6bu32cf__g-1 Received: by mail-oo1-f72.google.com with SMTP id b7-20020a0568200247b02902691c6a5defso1170008ooe.15 for ; Wed, 28 Jul 2021 06:11:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=aQ+852563VaNS2uiQQ1GclOgDI9K53wVa6AHNRjzjGc=; b=gN6MlcpvOQB4BorEPD8Ryroy21nPkbXB1gEcJoguhekzD9DBGmyMu0gv5xeHSmZlC8 odlruILuLD0sHOM9tMcGW+cL7OimHNVzo5BJ6qSDAERrnR42bYxYOyPctWYf8WScpUPD ZlG+pQDOlySltmLvP/SDovEMqDycRhQH9nZqbOZwGqNmxeUUJWsGANlcQ1ASKiM399/Q sTY1gbPCY966j3uIDBMGshlyoltW+/GqhDaIJxy0A740cRMdWJPEShc+NN2xf1Zw3su+ FUf1LBuY8L+nupcNxCJHm3pbT8AXxhkzOwWaevpjCKlmmDlGxymFrN+ddMznfaWCvSPb iXoA== X-Gm-Message-State: AOAM5325yrfNq9okkEsbFkAkw5w3Wpluqm8Zz0TeGn9MJ1+Tcj3hsaxp cXJmRGB5QxsaSHc0rvn6JW6Cw3rqxNgOERHyrsIiipwcYjZat4RNugUskhoErqi7gbArToAIVJz N7v9z1BK5QOi+efDYhF0+5pylFN3ipFt7reyXgFi/ X-Received: by 2002:a05:6808:f14:: with SMTP id m20mr6522431oiw.179.1627477907589; Wed, 28 Jul 2021 06:11:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzvN2DhEABGf6XGJGQDGziKffAt6QRZ1Z8QZ+dChmJRVX0ogfD1GUlprGwOCZBBXqP8rty9bjGtp4PQvXPze8g= X-Received: by 2002:a05:6808:f14:: with SMTP id m20mr6522418oiw.179.1627477907443; Wed, 28 Jul 2021 06:11:47 -0700 (PDT) MIME-Version: 1.0 From: Bruno Goncalves Date: Wed, 28 Jul 2021 15:11:36 +0200 Message-ID: Subject: WARNING: CPU: 112 PID: 2041 at kernel/sched/sched.h:1453 To: CKI Project , linux-kernel@vger.kernel.org Cc: nathan@kernel.org, Memory Management Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Since this commit (Commit: 45312bd762d3 - Merge tag 'zonefs-5.14-rc2') we started to see the following call trace, it seems to be reproducible only on aarch64. [ 384.485614] ------------[ cut here ]------------ [ 384.490227] rq->clock_update_flags < RQCF_ACT_SKIP [ 384.490232] WARNING: CPU: 112 PID: 2041 at kernel/sched/sched.h:1453 sub_running_bw.isra.0+0x190/0x1a0 [ 384.504312] Modules linked in: mlx5_ib ib_uverbs ib_core rfkill sunrpc acpi_ipmi ipmi_ssif mlx5_core mlxfw psample ipmi_devintf arm_cmn ipmi_msghandler arm_dsu_pmu cppc_cpufreq acpi_tad vfat fat fuse zram ip_tables x_tables xfs crct10dif_ce ghash_ce ast i2c_algo_bit drm_vram_helper sbsa_gwdt drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm_ttm_helper ttm nvme nvme_core drm xgene_hwmon aes_neon_bs [ 384.541165] CPU: 112 PID: 2041 Comm: sugov:112 Tainted: G W 5.14.0-rc1 #1 [ 384.549244] Hardware name: WIWYNN Mt.Jade Server System B81.030Z1.0007/Mt.Jade Motherboard, BIOS 1.6.20210526 (SCP: 1.06.20210526) 2021/05/26 [ 384.561922] pstate: 404000c9 (nZcv daIF +PAN -UAO -TCO BTYPE=--) [ 384.567918] pc : sub_running_bw.isra.0+0x190/0x1a0 [ 384.572698] lr : sub_running_bw.isra.0+0x190/0x1a0 [ 384.577477] sp : ffff800024c4bb20 [ 384.580779] x29: ffff800024c4bb20 x28: 0000000000000000 x27: ffffb9a9bbe1d200 [ 384.587904] x26: 0000000000000074 x25: 0000000000000011 x24: ffffb9a9bdff9000 [ 384.595029] x23: ffff07ffb36fcaa0 x22: ffff401ee09b65c0 x21: ffffb9a9bbe1de00 [ 384.602153] x20: ffff401ee09a3360 x19: ffff401ee09b6f58 x18: 0000000000000000 [ 384.609277] x17: ffff867522f0c000 x16: ffff800010384000 x15: 0000000000000030 [ 384.616401] x14: 0000000000000000 x13: 50494b535f544341 x12: 5f46435152203c20 [ 384.623526] x11: ffff401ee04b0ea8 x10: ffff401ee021e068 x9 : ffffb9a9bbe4214c [ 384.630650] x8 : 0000000000010ea8 x7 : ffff401ee01e0000 x6 : 0000000000017ffd [ 384.637774] x5 : ffff401ee09a3490 x4 : 0000000000000001 x3 : ffff867522f0c000 [ 384.644898] x2 : ffff401ee09a3498 x1 : ffff07ffb53cc000 x0 : 0000000000000026 [ 384.652022] Call trace: [ 384.654457] sub_running_bw.isra.0+0x190/0x1a0 [ 384.658890] migrate_task_rq_dl+0xf8/0x1e0 [ 384.662975] set_task_cpu+0xa8/0x1f0 [ 384.666540] try_to_wake_up+0x150/0x3d4 [ 384.670365] wake_up_q+0x64/0xc0 [ 384.673582] __up_write+0xd0/0x1c0 [ 384.676974] up_write+0x4c/0x2b0 [ 384.680191] cppc_set_perf+0x120/0x2d0 [ 384.683931] cppc_cpufreq_set_target+0xe0/0x1a4 [cppc_cpufreq] [ 384.689756] __cpufreq_driver_target+0x74/0x140 [ 384.694277] sugov_work+0x64/0x80 [ 384.697580] kthread_worker_fn+0xe0/0x230 [ 384.701580] kthread+0x138/0x140 [ 384.704797] ret_from_fork+0x10/0x18 More logs can be found checking out dmesg logs on: https://arr-cki-prod-datawarehouse-public.s3.amazonaws.com/index.html?prefix=datawarehouse-public/2021/07/16/338525814/build_aarch64_redhat%3A1431434591/tests/storage_software_RAID_testing/ https://arr-cki-prod-datawarehouse-public.s3.amazonaws.com/index.html?prefix=datawarehouse-public/2021/07/16/338525814/build_aarch64_redhat%3A1431434591/tests/xfstests_btrfs/ https://arr-cki-prod-datawarehouse-public.s3.amazonaws.com/index.html?prefix=datawarehouse-public/2021/07/16/338525814/build_aarch64_redhat%3A1431434591/tests/xfstests_ext4/ https://arr-cki-prod-datawarehouse-public.s3.amazonaws.com/index.html?prefix=datawarehouse-public/2021/07/16/338525814/build_aarch64_redhat%3A1431434591/tests/xfstests_xfs/ Thank you, Bruno Goncalves