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=-3.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 53353C43461 for ; Wed, 9 Sep 2020 05:08:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F278321D40 for ; Wed, 9 Sep 2020 05:08:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="T1Nb9V4d" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725984AbgIIFIX (ORCPT ); Wed, 9 Sep 2020 01:08:23 -0400 Received: from mout.gmx.net ([212.227.15.15]:44055 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725811AbgIIFIS (ORCPT ); Wed, 9 Sep 2020 01:08:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1599628068; bh=GeBdHItTmKrF/YKHv4ZsKGC2ILy9hKoQYV1wFDemBPI=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=T1Nb9V4dgJ6sCKL0L7tenSIkREXRldGwcWE/1AIX8AV9xHOMq9KWvjetAzb1fFFce SSF+8dGCFMIROyY7GP4a5PWJ4I97+5IS3hmllYhWb4ylKRhAQkfaCV0tfMJ8YvwFjM 8P/eN6Gg/EvZYI5fNqCQ1OqILnHxMfk/T6AZkvJA= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.simpson.net ([185.191.217.72]) by mail.gmx.com (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MRTRH-1jvCgj2TGH-00NTqh; Wed, 09 Sep 2020 07:07:48 +0200 Message-ID: <72ca4a8f57c35701defea29ed83fa818561f684e.camel@gmx.de> Subject: Re: [ANNOUNCE] v5.9-rc3-rt3 From: Mike Galbraith To: Sebastian Andrzej Siewior , Thomas Gleixner Cc: LKML , linux-rt-users , Steven Rostedt Date: Wed, 09 Sep 2020 07:07:47 +0200 In-Reply-To: <6ed14b9743f5ce400137a4ae5561604575e72b13.camel@gmx.de> References: <20200902155557.h2wl2qpfn2rwsofw@linutronix.de> <6ed14b9743f5ce400137a4ae5561604575e72b13.camel@gmx.de> Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:04zcps8n/yIqp1+/l3/9bnTVBTAnEfDJge4E8ugjTwHYo7iH5z+ 1hC9Xb1bHNYHf3tdyq0D3CHgAJZF9F+XuH45IZiyFuks2Lf3FDiYe+s4uu3N0MMjU4GCB3G JVChpM55q2XzOO2+901o/UoV5/Jr1+zGSPlj9KHKnbLwWmduCILVToCDcjizdsZn7DL+HCj Mt3yUHdKziEFg7bntUrPw== X-UI-Out-Filterresults: notjunk:1;V03:K0:KTkZO6+7WD0=:VRRj58tzShbd62Bpm4DqVb woKl8mAxLv09SlbpRaZPjuzcJ4EMkaoDyyxNVrJW1zFTkyRW17WAx8AgmdZC1BSibf7//NPEs zWBaUPKwuPJ7gbMdK3C/wqbemJvbRO6focBN5OwT97Y4oNMXEaLLKd4yS9n1mTZQDv7PYoYQx Ll6DQDvR1VuRRnkFNTkFwCbY0nWeGC5AkHDBMyRvXMlADc0+HCgx3qjoPbShqnx+hUSUW1RSA KROJgQJD7Lgydq+5g1v1KwLPaix4EgNZDQDR16rZtZq9m99q1rX76OSwfGEsb6ltCzgtgRUw/ 5ODX2JuyVanBgo5n3cPV96RMI4G0lHaoAD/c4tT4cacDiwIHY6xCvPEAulpQ6x5+xYfSBfqvK gt8iPG5Z5ZEe0FaMDLybSSOEPjbWcUQnpff+nU6hHdohCTFtPNjwcFEr5vn+eXym7OWOLWmzj R40mCinjDHNHGTGiZWx7zRJ3hVsNRQzY5FMVqvQ6qiW+slmuoPBkZQw0+TNBmbIJmDU1YfAlv 0vLLLgdZ2u2/xRdj6EOWb++vMFDKuPuhXSFYMuobLnSoYW2RNuH3+1R8Wg1dJCcPrWKVPH/O7 CvPRFkJQWvfdTKFiTl4f8tRdXYLckrB1w4L+Mtmkw5J2Y+RJCe3x6k5H+nZi2HJ/Ep4LUT1ig LayP4CXfoCHaZ0cjTOgV9p7vE6GP/u8sWAgcemcn+JcOAh4vHU9oNuM+BCBUGFHDBaB9S9Hc3 o6ItGTOfKeKL9qevCxTGdLrK4OPEHZJL6tFoUCdDhah23tEL07oKEEZgoh4+ut3f/GDej1ANe 85+a5DRMImK3lsOWJznoyudg6UH4yiFWQZYD5d8PYBDFn4yWl9HwvC+2myb8HafCelSEIAXt6 3FdMQ6Q5mck6RvAEGPXLx36RQbl+twfG3+0puDqtiRTGIrjdmvozAWotWs2a3sZsVME4LoeyV 68Re6ZyHOlYqMkhs+nc1YqKt+uumBxZKGZ49XwZ8U2K9X7u6X4yyz5Bw6ccJtMlexJiZ4e2a0 voQ3IlqQ1aAhV9/urMFUuM6ygRTq34IWWPxvmt2lNxuTfDOsV2Ei2gTrhavpZNJUBtzijcyUR RvKS5SnkhzpsNU3ygTa0aZQ0y4n5iBSPKTsX2b1aaVjzONNT4rzov3cihJC6Ivf2j0JKFY11r zHQXZw1IoE8xcIYd58Ou46DAFG3z7aK8XgdkgOScB0p6x4+GY8u8iL2wIKqxzl6NDqJUdTnn8 KVfU5onHUGmNFCX2D Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2020-09-09 at 05:12 +0200, Mike Galbraith wrote: > On Wed, 2020-09-02 at 17:55 +0200, Sebastian Andrzej Siewior wrote: > > > > Known issues > > - It has been pointed out that due to changes to the printk code = the > > internal buffer representation changed. This is only an issue i= f tools > > like `crash' are used to extract the printk buffer from a kerne= l memory > > image. > > Ouch. While installing -rt5 on lappy via nfs, -rt5 server box exploded > leaving nada in logs. I have a nifty crash dump of the event, but... I backed out 1ce98b8a0a1..463463c6fa3f so crash will work again, but haven't as yet been able to convince box to explode. Hohum, I'll give it some time. Lockdep did repeat dirtying of its diaper though, on both lappy and desktop boxen at roughly the same uptime. [ 922.978106] BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! [ 922.978112] turning off the locking correctness validator. [ 922.978116] CPU: 2 PID: 5837 Comm: kworker/u16:0 Kdump: loaded Tainted:= G S E 5.9.0.gf4d51df-rt5-rt #3 [ 922.978120] Hardware name: MEDION MS-7848/MS-7848, BIOS M7848W08.20C 09= /23/2013 [ 922.978127] Workqueue: writeback wb_workfn (flush-8:48) [ 922.978131] Call Trace: [ 922.978138] dump_stack+0x77/0x9b [ 922.978143] validate_chain+0xf60/0x1230 [ 922.978147] __lock_acquire+0x880/0xbf0 [ 922.978151] lock_acquire+0x92/0x3f0 [ 922.978155] ? rt_spin_lock_slowlock_locked+0x5d/0x2c0 [ 922.978160] _raw_spin_lock+0x2f/0x40 [ 922.978163] ? rt_spin_lock_slowlock_locked+0x5d/0x2c0 [ 922.978169] rt_spin_lock_slowlock_locked+0x5d/0x2c0 [ 922.978173] __read_rt_lock+0x97/0xc0 [ 922.978194] ext4_es_lookup_extent+0x4f/0x410 [ext4] [ 922.978205] ext4_map_blocks+0x50/0x530 [ext4] [ 922.978209] ? kmem_cache_alloc+0x636/0x8b0 [ 922.978220] ext4_writepages+0xa2c/0x1330 [ext4] [ 922.978228] ? do_writepages+0x3c/0xe0 [ 922.978231] do_writepages+0x3c/0xe0 [ 922.978236] ? __writeback_single_inode+0x62/0x890 [ 922.978240] __writeback_single_inode+0x62/0x890 [ 922.978244] writeback_sb_inodes+0x217/0x580 [ 922.978250] __writeback_inodes_wb+0x5d/0xd0 [ 922.978254] wb_writeback+0x28c/0x620 [ 922.978259] ? wb_workfn+0x2bc/0x7f0 [ 922.978262] wb_workfn+0x2bc/0x7f0 [ 922.978266] ? lock_acquire+0x92/0x3f0 [ 922.978270] ? process_one_work+0x1fa/0x730 [ 922.978274] ? process_one_work+0x284/0x730 [ 922.978278] ? process_one_work+0x251/0x730 [ 922.978281] process_one_work+0x284/0x730 [ 922.978285] ? _raw_spin_lock_irq+0x16/0x50 [ 922.978289] ? process_one_work+0x730/0x730 [ 922.978293] worker_thread+0x39/0x3f0 [ 922.978297] ? process_one_work+0x730/0x730 [ 922.978300] kthread+0x171/0x190 [ 922.978304] ? kthread_park+0x90/0x90 [ 922.978308] ret_from_fork+0x1f/0x30