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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 99DABC433E1 for ; Wed, 8 Jul 2020 10:26:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7763F20739 for ; Wed, 8 Jul 2020 10:26:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594204010; bh=XqNMpi4tSi+iPnKQlTA7D2lkXRhf2npCuezhwJNDgRE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=1hLCpSVXpUp5fjhOM6IUTJ/P/3vvyv97RuYNAHAMwcAZIHPq4UooAcZVMl9tUlo9C GFO4zfTF8Sm+8XmhIdNUNLeAfpR9RTrIkmP4Wrlnrf93gAw1oVg8PsEyQSMfEH4mhC z/58Po0z+UXH4uDUsDGEQDVemluuCsx5pDyX+xfQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728337AbgGHK0s (ORCPT ); Wed, 8 Jul 2020 06:26:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:33636 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726110AbgGHK0s (ORCPT ); Wed, 8 Jul 2020 06:26:48 -0400 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5D439206F6; Wed, 8 Jul 2020 10:26:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594204007; bh=XqNMpi4tSi+iPnKQlTA7D2lkXRhf2npCuezhwJNDgRE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hFJ4DdaJUaOuz000SJgSOWGKy171Bi+YRedBCbAbjzl/A47iVqMBCo/i47cU285rX lKshiKJOtn1NgJOXnfdmiOs+Ly/rHywx1SrtPO08jqzV5Fc/6rJoRtUV2OyqWwwtC6 1MeEVvlkk68tNkhPDaOHHvHu/D/tzq1M40MkzJtA= Date: Wed, 8 Jul 2020 11:26:42 +0100 From: Mark Brown To: Marek Szyprowski Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Zhang Qiang , Petr Mladek , Bartlomiej Zolnierkiewicz Subject: Re: [PATCH] spi: use kthread_create_worker() helper Message-ID: <20200708102642.GF4655@sirena.org.uk> References: <20200708070900.30380-1-m.szyprowski@samsung.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="hoZxPH4CaxYzWscb" Content-Disposition: inline In-Reply-To: <20200708070900.30380-1-m.szyprowski@samsung.com> X-Cookie: Oh Dad! We're ALL Devo! User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --hoZxPH4CaxYzWscb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jul 08, 2020 at 09:09:00AM +0200, Marek Szyprowski wrote: > ------------[ cut here ]------------ > WARNING: CPU: 3 PID: 1 at kernel/kthread.c:817 kthread_queue_work+0xac/0xd4 > Modules linked in: > CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.8.0-rc4-00017-g4977caef05aa #1193 > Hardware name: Samsung Exynos (Flattened Device Tree) > [] (unwind_backtrace) from [] (show_stack+0x10/0x14) > [] (show_stack) from [] (dump_stack+0xbc/0xe8) > [] (dump_stack) from [] (__warn+0xf0/0x108) > [] (__warn) from [] (warn_slowpath_fmt+0xb0/0xb8) > [] (warn_slowpath_fmt) from [] (kthread_queue_work+0xac/0xd4) Please think hard before including complete backtraces in upstream reports, they are very large and contain almost no useful information relative to their size so often obscure the relevant content in your message. If part of the backtrace is usefully illustrative (it often is for search engines if nothing else) then it's usually better to pull out the relevant sections. --hoZxPH4CaxYzWscb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl8Fn2EACgkQJNaLcl1U h9AJlQf+OaBKci5Cb0F9VbFu5fVoWaiqo1ZU7n3Xnb2jHkAI2OTf5fXvBWFJ7Khu gyzLd0GtPK0ZYzuk+FIuGXDGHKrUV34p1g7KTBEGBXvmb85QsDWzshTjlNTH8/WQ iliVOnZQpk5oAfxMWMtSpYbaw4NrmeASf9dQZPcvnrtrFaJPiS4VNgcZG/IyQY8o WlhQvLw7BVHpvKgoblZG34XfbWxA6eld0lDzMkj48WwQ2OTZHPmnw9t73Adt08FY lfHhoSgCi/iOVqIy4CCg3sory+FH2XMPevAfK0YqC0/3MUJCgpAcjtC9OklY6+yN 9MT8NxmV0NbwzVsFEJ8Y6Vjz67B/TQ== =Tj2d -----END PGP SIGNATURE----- --hoZxPH4CaxYzWscb--