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=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 A1D7BC43331 for ; Tue, 12 Nov 2019 17:24:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 75638222C1 for ; Tue, 12 Nov 2019 17:24:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="qYNkz9gu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726738AbfKLRY2 (ORCPT ); Tue, 12 Nov 2019 12:24:28 -0500 Received: from mail-lf1-f68.google.com ([209.85.167.68]:40562 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726912AbfKLRY1 (ORCPT ); Tue, 12 Nov 2019 12:24:27 -0500 Received: by mail-lf1-f68.google.com with SMTP id j26so6420651lfh.7 for ; Tue, 12 Nov 2019 09:24:25 -0800 (PST) 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=4wdGyRQgBTKLVRYANdE50BemFLHkEtcXoKBH3Fi07AY=; b=qYNkz9guQpKqa4XqTXgE9zEX+Hzp1N3JdyINOr45byU9ANdOk2QAsVlVMnjeRjAh0k Ehv4Z7t11DsoR9JjSLovqy/3+ANxhR6pmcfPlTlFCW4h1RKoxECPoYD46oKDzc/DwnFZ VrIpigSqCmMjnEOh2GKgBN72d7UyRHg/gZ2jPxRVuF1dBpmAxHDkkjg9FGlNmjT5+YJW tmeQ6PSYgKV4w6TCuVzyLeAVQ7yL0F9hE7OBssRjnGiwoBQSlWLNON825FWcDHq0BhB6 n5W5b2vPbCflNRIZHnous7CAsWQUiWi00U+8NspihxUOMHhFPbDo20jPRus2WexYUhK+ UZYQ== 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=4wdGyRQgBTKLVRYANdE50BemFLHkEtcXoKBH3Fi07AY=; b=pYQPCBdRMA0b86yyrgrkigyVKPOHOXMXIulxeHw9Hb4UoeoA6iZgZxhkOoL7t8bqCF 1+hBAhQHKkxHvljQHWWA/g7j9qdkLfJ7/2R2pE9PFuSw0WGKWgMkaSvlmzGMuMxcI1mh ggr3u+8iEdLJRf5ysFnN1FhWeQRR9sdx6c4oTXK0sPJYZsx5XorwV8DxtThVCFs4E9vi vi5lPM8pYQNcMh+0WWgZHEquhCUOh7Lmpvrb/NtFwV2X6aXQJ/3xbwbEKvBmJwtt1ExQ 1FYXmTiTjA8VRurKkUs+2KozBv8ue9wQPG4ai9YNVf4W3Sv/o1i22iCOQXyW2w3rygmx yB3A== X-Gm-Message-State: APjAAAW7fEan3hVtsbr8n1UO9chJ/uoNFp83OPHhVh9dLJ13bvSlbpP7 wucWMDYQ+TQBI1QTtTtdDpRpSq2D6aSIndah9qHGvvGA+tg= X-Google-Smtp-Source: APXvYqwMwDjZxnLBPohjX76oEr9gZX1IrP0TqyPjZhuJ1qAuNNj6NF7hg0PfALISo5W2TxPD9wQ/qb4deYvce5lggrE= X-Received: by 2002:a19:c18d:: with SMTP id r135mr13094080lff.75.1573579464179; Tue, 12 Nov 2019 09:24:24 -0800 (PST) MIME-Version: 1.0 References: <20191112171834.GH5195@sirena.co.uk> In-Reply-To: <20191112171834.GH5195@sirena.co.uk> From: Naresh Kamboju Date: Tue, 12 Nov 2019 22:54:12 +0530 Message-ID: Subject: Re: Linux next 5.4.0-rc7-next-20191112: rcu: INFO: rcu_sched self-detected stall on CPU To: Mark Brown Cc: Linux-Next Mailing List , acme@kernel.org, linux-perf-users@vger.kernel.org, mhiramat@kernel.org, Paul McKenney , Arnd Bergmann , Stephen Rothwell , lkft-triage@lists.linaro.org Content-Type: text/plain; charset="UTF-8" Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Tue, 12 Nov 2019 at 22:48, Mark Brown wrote: > > On Tue, Nov 12, 2019 at 10:38:10PM +0530, Naresh Kamboju wrote: > > INFO: rcu_sched self-detected stall on CPU detected on Linux next > > 5.4.0-rc7-next-20191112 running on x86_64 device and continuously > > popped up kernel > > OTOH, arm64 juno device boot failed without generating any kernel boot log. > > Juno is booting fine in -next in KernelCI: Thanks for confirming that. > > https://kernelci.org/boot/id/5dca98dd59b514e08a138e08/ > > Some config difference perhaps? Yes. There are extra kernel config fragments from selftests, LTP, perf and few more. Juno build metadata: git branch: master git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git commit: fc6d6db1df2cb11bbecc542d67885742e75b4b07 git describe: next-20191112 make_kernelversion: 5.4.0-rc7 kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-next/644/config - Naresh