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[2620:137:e000::1:20]) by mx.google.com with ESMTP id i62-20020a638741000000b003fd55609127si13645698pge.524.2022.06.14.10.29.23; Tue, 14 Jun 2022 10:29:36 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=KlUt4+38; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237661AbiFNRMl (ORCPT + 99 others); Tue, 14 Jun 2022 13:12:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244479AbiFNRMi (ORCPT ); Tue, 14 Jun 2022 13:12:38 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7912B13DD9; Tue, 14 Jun 2022 10:12:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7A61B6166C; Tue, 14 Jun 2022 17:12:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6439BC3411D; Tue, 14 Jun 2022 17:12:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655226752; bh=peyZwVSOaogAFeJxpKowfzymLa/etOhDZTzm9M6ehBs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KlUt4+38+8rfoiPeMI4kOjUhIbqNkw4vYxBFtxau4KQN3BdHGtYJ4ubre7hOUkjpl ri35qfOSdhVv5Z6LvLEjKJAzS13WXlFhs+yWHgG7a4dXVm3a1Ye1mSLSEp2AdkPihR Uq9Wc00DGpYaoOF2Whsywp669sjcQzB+616MlJhw= Date: Tue, 14 Jun 2022 19:12:30 +0200 From: Greg Kroah-Hartman To: Guenter Roeck Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com, f.fainelli@gmail.com, sudipm.mukherjee@gmail.com, slade@sladewatkins.com Subject: Re: [PATCH 5.15 000/251] 5.15.47-rc2 review Message-ID: References: <20220613181847.216528857@linuxfoundation.org> <20220614153607.GB3088490@roeck-us.net> <20220614170827.GB3690098@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220614170827.GB3690098@roeck-us.net> X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 14, 2022 at 10:08:27AM -0700, Guenter Roeck wrote: > On Tue, Jun 14, 2022 at 08:36:08AM -0700, Guenter Roeck wrote: > > On Mon, Jun 13, 2022 at 08:19:49PM +0200, Greg Kroah-Hartman wrote: > > > This is the start of the stable review cycle for the 5.15.47 release. > > > There are 251 patches in this series, all will be posted as a response > > > to this one. If anyone has any issues with these being applied, please > > > let me know. > > > > > > Responses should be made by Wed, 15 Jun 2022 18:18:03 +0000. > > > Anything received after that time might be too late. > > > > > > > Build results: > > total: 159 pass: 159 fail: 0 > > Qemu test results: > > total: 488 pass: 488 fail: 0 > > > > I spoke a bit too early. I see the following backtrace in some qemu arm > boot tests. > > BUG: spinlock bad magic on CPU#0, kdevtmpfs/15 > lock: noop_backing_dev_info+0x6c/0x3b0, .magic: 00000000, .owner: /-1, .owner_cpu: 0 > CPU: 0 PID: 15 Comm: kdevtmpfs Not tainted 5.15.47-rc2-00252-g677f0128d0ed #1 > Hardware name: ARM RealView Machine (Device Tree Support) > [] (unwind_backtrace) from [] (show_stack+0x10/0x14) > [] (show_stack) from [] (dump_stack_lvl+0x68/0x90) > [] (dump_stack_lvl) from [] (do_raw_spin_lock+0xbc/0x124) > [] (do_raw_spin_lock) from [] (__mark_inode_dirty+0x1cc/0x704) > [] (__mark_inode_dirty) from [] (simple_setattr+0x44/0x5c) > [] (simple_setattr) from [] (notify_change+0x400/0x45c) > [] (notify_change) from [] (devtmpfsd+0x1f8/0x2b8) > [] (devtmpfsd) from [] (kthread+0x150/0x17c) > [] (kthread) from [] (ret_from_fork+0x14/0x34) > Exception stack(0xd00dbfb0 to 0xd00dbff8) > bfa0: 00000000 00000000 00000000 00000000 > bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 > > This bisects to commit bc5d960d4e58 ("writeback: Fix inode->i_io_list not > be protected by inode->i_lock error"). The problem is also seen in the > mainline kernel. v5.15.y.queue and later are affected. Reverting the patch > here and in mainline fixes the problem. Thanks for letting me know. Hopefully it gets fixed in upstream...