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 DB1BFC43461 for ; Wed, 9 Sep 2020 05:46:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9223121582 for ; Wed, 9 Sep 2020 05:46:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="FhHBpUIl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725826AbgIIFqD (ORCPT ); Wed, 9 Sep 2020 01:46:03 -0400 Received: from mout.gmx.net ([212.227.17.20]:35809 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725772AbgIIFqB (ORCPT ); Wed, 9 Sep 2020 01:46:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1599630322; bh=JY5lf4hMpyngH/x6kBEAs/Y3gjuzhO2g4mGe8s8uxdM=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=FhHBpUIlcme82fq12e60Qb8EKbhoMYGON5V0PnRDBLCJklVGWtKJM3b9hOXfyaPSH jWDyOLzxUrsK0pMCLOGaTR1hm6k9mpgzGqU7EGPB0udsjohJE7eGIiflaO/f0rs7Es bdPWcSpcldZzN4hCLAer0lYIPPTPIYPShVqRkyqg= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.simpson.net ([185.191.217.72]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mqs4f-1ktsMF2xaT-00mp6M; Wed, 09 Sep 2020 07:45:22 +0200 Message-ID: <91828ea63ecd61d40bba0358e1c0efbe62976ba6.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 07:45:22 +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:/wQbuB5JFjmmlJUylYOJxEhxLhWxHwLJwpeQZ31f/W55yPiVTAR QPlrXdNgXga+ZVAr4zWYpMg+0wagIZI+f05+dKg9cFyyA/QppkSlBZtZW0+ZG+seUgU/A3n EtvA9lP5AVw2aB9vicAZDLaF/UirbfTGuguSYNfxkIFxQtlh4EPmrCix3tOo2HPxsiLu8uX te5dCd5OgzYrbLyVOjP9Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:fQOowdHrsXE=:lgOIJLL8oaqgnEBAt+9he4 5/Ew6vAJhoc5a88ZVm+gz85kp7K2dHQip4KdpfD8XRJftBl/1s7KVa36ftWpB947S0Lgzu8Yw iz/vydz6agA6lH4E9lT66a/iPACM8Rw+uAnmkyXDZVhwySsfQldJe6iyaushqGLe0bJjNrGzg vnGkDnoeeDwTAuPz3g4wrvxVkjUh7MZlXEi0aUDbUNofw+ZqW1tBRzUtT/tjHTfEISUW3yTxz o9+dQR9MvwhS3oVayYV8WrSLm81RPVcMkf2oBx0EtA1u3EKUH2XWUHTB+kADUQLdpZWocNHrV HnKRbBVx1bwIlEQPFO76RA/DPFeHOnhkAJC1FxodHMTuSiQAqADd0LZbz9o7MqwX8YJH1RGrT ePvM8ubsvBPtJqtYiL3SvbK5LFhxOuWVMp+dNuzJY0XYmDcUWlhpGJVpbiQ40dFgLkmZB0gYs 7rXn9c7xgGE1F3lq4ZRyVQsplOuQYFjpzLk1a985iYPcQZ5HDlb0IX91AxkFzXJPCZhF/74le JuT89H8g7odUYGbKpP/5yGOcHUZv7zb5rHhC4eF8ylBRmWQTG77HoFMZoSLZxwdSVzsvgfO4f XierrY2PPxHLi8gL+HTxTu+xwH+5bInrnv3oPUAb1aiW8sCmhYswBO8nGtQ30gteuPyogt3wB KlXN0Y50a+iBZ3FpyWcaz/wKOspCCY085ekvGkhdRUo0YeRUCTD6remcSiekuyWafjI5wLO8x 1eBqJqu4EWt+O9wSzL0ffWq4F+PMk7zZ/YCtte6g6e47psfQAx5td32bUfT8zJeZYkau+wpBJ 4EhXtCktkv1OwpFARuE2UAYlN7DWKtgHwQfgP7NpreBBXhbCThR5G47KmMr2r9Iz6SXZTpdEj SO8cNAA2lh5L4IGVWy/T2V9bugGQ7dbvbl7lWy4W3Xd4fkjndQNhtama8EHn5aJwB2zrPHrAy zwsZjh6THqEMQlfGJLVR3SyQeHBS9xxt4AnGwzI9U0yt2hAYGxo9CQ+icwt00DN+YrevKg1eb 6MTcTWaTdajmef8HOI8XAHuYnKv/VHhzjQTndqV5dOLOo/AB3DtWdrdXp0G+dRUtZf8Ahx9bZ BsIPJ9QxqCgNJHVgJ6TsefxEAQwRhO747plb8H8+EsjH9wV6JoXIARKDHqQJYBtLMYqhIcknW df6aY0/O2whLnFyueHSDygli3CY8eroAlVIRlogWz/zQvo2qseqwT8DQMn0z0Va891D0lqHlB dnadZqxBBW5E+dL+R Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@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... After convincing crash (with club) that it didn't _really_ need a log_buf, nfs had nothing to do with the crash, it was nouveau. KERNEL: vmlinux-5.9.0.gf4d51df-rt5-rt.gz DUMPFILE: vmcore CPUS: 8 DATE: Wed Sep 9 04:41:24 2020 UPTIME: 00:08:10 LOAD AVERAGE: 3.17, 1.86, 0.99 TASKS: 715 NODENAME: homer RELEASE: 5.9.0.gf4d51df-rt5-rt VERSION: #1 SMP PREEMPT_RT Wed Sep 9 03:22:01 CEST 2020 MACHINE: x86_64 (3591 Mhz) MEMORY: 16 GB PANIC: "" PID: 2146 COMMAND: "X" TASK: ffff994c7fad0000 [THREAD_INFO: ffff994c7fad0000] CPU: 0 STATE: TASK_RUNNING (PANIC) crash> bt -l PID: 2146 TASK: ffff994c7fad0000 CPU: 0 COMMAND: "X" #0 [ffffbfffc11a76c8] machine_kexec at ffffffffb7064879 /backup/usr/local/src/kernel/linux-master-rt/./include/linux/ftrace.h:= 792 #1 [ffffbfffc11a7710] __crash_kexec at ffffffffb7173622 /backup/usr/local/src/kernel/linux-master-rt/kernel/kexec_core.c: 963 #2 [ffffbfffc11a77d0] crash_kexec at ffffffffb7174920 /backup/usr/local/src/kernel/linux-master-rt/./arch/x86/include/asm/at= omic.h: 41 #3 [ffffbfffc11a77e0] oops_end at ffffffffb702716f /backup/usr/local/src/kernel/linux-master-rt/arch/x86/kernel/dumpstack= .c: 342 #4 [ffffbfffc11a7800] exc_general_protection at ffffffffb79a2fc6 /backup/usr/local/src/kernel/linux-master-rt/arch/x86/kernel/traps.c: = 82 #5 [ffffbfffc11a7890] asm_exc_general_protection at ffffffffb7a00a1e /backup/usr/local/src/kernel/linux-master-rt/./arch/x86/include/asm/id= tentry.h: 532 #6 [ffffbfffc11a78a0] nvif_object_ctor at ffffffffc07ee6a7 [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= vif/object.c: 280 #7 [ffffbfffc11a7918] __kmalloc at ffffffffb72eea12 /backup/usr/local/src/kernel/linux-master-rt/mm/slub.c: 261 #8 [ffffbfffc11a7980] nvif_object_ctor at ffffffffc07ee6a7 [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= vif/object.c: 280 #9 [ffffbfffc11a79d0] nvif_mem_ctor_type at ffffffffc07eef48 [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= vif/mem.c: 74 #10 [ffffbfffc11a7aa8] nouveau_mem_vram at ffffffffc08b5291 [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= ouveau_mem.c: 155 #11 [ffffbfffc11a7b10] nouveau_vram_manager_new at ffffffffc08b594d [nouve= au] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= ouveau_ttm.c: 76 #12 [ffffbfffc11a7b30] ttm_bo_mem_space at ffffffffc05af2ac [ttm] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/ttm/ttm_b= o.c: 1065 #13 [ffffbfffc11a7b88] ttm_bo_validate at ffffffffc05afaca [ttm] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/ttm/ttm_b= o.c: 1137 #14 [ffffbfffc11a7c18] ttm_bo_init_reserved at ffffffffc05afe70 [ttm] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/ttm/ttm_b= o.c: 1330 #15 [ffffbfffc11a7c60] ttm_bo_init at ffffffffc05afff7 [ttm] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/ttm/ttm_b= o.c: 1364 #16 [ffffbfffc11a7cc8] nouveau_bo_init at ffffffffc08b0f7b [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= ouveau_bo.c: 317 #17 [ffffbfffc11a7d38] nouveau_gem_new at ffffffffc08b2f7b [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= ouveau_gem.c: 206 #18 [ffffbfffc11a7d70] nouveau_gem_ioctl_new at ffffffffc08b3001 [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= ouveau_gem.c: 272 #19 [ffffbfffc11a7da0] drm_ioctl_kernel at ffffffffc066f564 [drm] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/drm_ioctl= .c: 793 #20 [ffffbfffc11a7de0] drm_ioctl at ffffffffc066f88e [drm] /backup/usr/local/src/kernel/linux-master-rt/./include/linux/uaccess.h= : 168 #21 [ffffbfffc11a7ed0] nouveau_drm_ioctl at ffffffffc08abf56 [nouveau] /backup/usr/local/src/kernel/linux-master-rt/drivers/gpu/drm/nouveau/n= ouveau_drm.c: 1163 #22 [ffffbfffc11a7f08] __x64_sys_ioctl at ffffffffb733255e /backup/usr/local/src/kernel/linux-master-rt/fs/ioctl.c: 49 #23 [ffffbfffc11a7f40] do_syscall_64 at ffffffffb79a25c3 /backup/usr/local/src/kernel/linux-master-rt/arch/x86/entry/common.c: = 46 #24 [ffffbfffc11a7f50] entry_SYSCALL_64_after_hwframe at ffffffffb7a0008c /backup/usr/local/src/kernel/linux-master-rt/arch/x86/entry/entry_64.S= : 125 RIP: 00007f96707a6ac7 RSP: 00007ffc1cbc2998 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 000055743cf152e0 RCX: 00007f96707a6ac7 RDX: 00007ffc1cbc29f0 RSI: 00000000c0306480 RDI: 000000000000000e RBP: 00007ffc1cbc29f0 R8: 0000000000000000 R9: 0000000000000003 R10: fffffffffffffd98 R11: 0000000000000246 R12: 00000000c0306480 R13: 000000000000000e R14: 000055743ce99040 R15: 000055743c60cfd0 ORIG_RAX: 0000000000000010 CS: 0033 SS: 002b