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=1.6 required=3.0 tests=BUG6152_INVALID_DATE_TZ_ABSURD, HEADER_FROM_DIFFERENT_DOMAINS,INVALID_DATE_TZ_ABSURD,L_SPAM_TOOL_13, MAILING_LIST_MULTI,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 8B4C5C4646D for ; Fri, 10 Aug 2018 07:02:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28715223D9 for ; Fri, 10 Aug 2018 07:02:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28715223D9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mageia.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727555AbeHJJbI (ORCPT ); Fri, 10 Aug 2018 05:31:08 -0400 Received: from mx2.yrkesakademin.fi ([85.134.45.195]:17754 "EHLO mx2.yrkesakademin.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727426AbeHJJbI (ORCPT ); Fri, 10 Aug 2018 05:31:08 -0400 From: Thomas Backlund Subject: disabling psp in bios causes errors in dmesg To: CC: Linux Kernel Mailing List , , Message-ID: <3be85fc6-6323-b368-747f-b7650b3898b4@mageia.org> Date: Fri, 10 Aug 2018 10:02:41 +0259 MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-WatchGuard-Spam-ID: str=0001.0A0C0202.5B6D388C.00CC,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-WatchGuard-Spam-Score: 0, clean; 0, virus threat unknown X-WatchGuard-Mail-Client-IP: 85.134.45.195 X-WatchGuard-Mail-From: tmb@mageia.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, this is tested on kernel 4.17.14 hw: MSI X399 GAMING PRO CARBON AC (MS-7B09) bios 1.A0 AMD Ryzen Threadripper 1950X Disabling psp in bios gets this in the logs: [  246.748978] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [  246.748978] systemd-udevd   D    0   724    716 0x80000124 [  246.748980] Call Trace: [  246.748986]  ? __schedule+0x234/0x840 [  246.748988]  schedule+0x28/0x80 [  246.748993]  __sev_do_cmd_locked+0x1f0/0x270 [ccp] [  246.748996]  ? wait_woken+0x80/0x80 [  246.748997]  ? 0xffffffffc0683000 [  246.749001]  __sev_platform_init_locked+0x2f/0x80 [ccp] [  246.749001]  ? mutex_lock+0xe/0x30 [  246.749004]  sev_platform_init+0x1d/0x30 [ccp] [  246.749007]  psp_pci_init+0x40/0xe0 [ccp] [  246.749008]  ? 0xffffffffc0683000 [  246.749011]  sp_mod_init+0x16/0x1000 [ccp] [  246.749012]  do_one_initcall+0x46/0x1c3 [  246.749014]  ? _cond_resched+0x15/0x30 [  246.749017]  ? kmem_cache_alloc_trace+0x3a/0x170 [  246.749019]  do_init_module+0x5a/0x210 [  246.749020]  load_module+0x215b/0x2530 [  246.749021]  ? kmem_cache_alloc_node_trace+0x45/0x190 [  246.749024]  ? vmap_page_range_noflush+0x24d/0x320 [  246.749026]  ? __do_sys_init_module+0x136/0x180 [  246.749026]  ? _cond_resched+0x15/0x30 [  246.749027]  __do_sys_init_module+0x136/0x180 [  246.749029]  do_syscall_64+0x55/0x100 [  246.749031]  entry_SYSCALL_64_after_hwframe+0x44/0xa9 [  246.749032] RIP: 0033:0x7ffb1a09018a [  246.749033] RSP: 002b:00007ffe196680c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [  246.749034] RAX: ffffffffffffffda RBX: 00005562bb20d080 RCX: 00007ffb1a09018a [  246.749034] RDX: 00007ffb1994e6f8 RSI: 0000000000029e50 RDI: 00005562bba5e710 [  246.749035] RBP: 00007ffb1994e6f8 R08: 0000000000000004 R09: 0000000000000000 [  246.749035] R10: 0000000000000005 R11: 0000000000000246 R12: 00005562bba5e710 [  246.749036] R13: 0000000000020000 R14: 00005562bb1fde70 R15: 00005562bb20d080 Should it not detect that its disabled and bail out ? -- Thomas