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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 6EDA1C433DF for ; Sun, 18 Oct 2020 17:50:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E28782225A for ; Sun, 18 Oct 2020 17:50:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="baWm0yBX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727264AbgJRRuA (ORCPT ); Sun, 18 Oct 2020 13:50:00 -0400 Received: from mail.skyhub.de ([5.9.137.197]:37584 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725776AbgJRRuA (ORCPT ); Sun, 18 Oct 2020 13:50:00 -0400 Received: from zn.tnic (p200300ec2f250700329c23fffea6a903.dip0.t-ipconnect.de [IPv6:2003:ec:2f25:700:329c:23ff:fea6:a903]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 1F9ED1EC0249; Sun, 18 Oct 2020 19:49:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1603043399; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=SbE868tEU7gQHKQ0mIlsGDQikJ8XI0dl4ksEKyh2LKI=; b=baWm0yBXxtPAEzeNqadcs7KN+z+Lwlfu3TUg9gfHRBjo8OveGmKVQ12yOX66Fmzp+YzSOG 8SKHGnW42L2K4LKsk3SrMd4gbI4s2PqkZT+odci2/mRTI86thTHRUWDrQTownkh9XBI+9g 5DRD/xm2Rbrt2X07TywIKZ0/xyF6OgQ= Date: Sun, 18 Oct 2020 19:49:48 +0200 From: Borislav Petkov To: Jeffrin Jose T Cc: Thomas Gleixner , "mingo@redhat.com" , "x86@kernel.org" , "hpa@zytor.com" , jpoimboe@redhat.com, mbenes@suse.cz, "peterz@infradead.org" , shile.zhang@linux.alibaba.com, lkml Subject: Re: Fwd: [WARNING AND ERROR] may be system slow and audio and video breaking Message-ID: <20201018174948.GC8364@zn.tnic> References: <959da1eee73f58a824fe4913b5cacda6de0f392e.camel@rajagiritech.edu.in> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 18, 2020 at 10:42:39PM +0530, Jeffrin Jose T wrote: > smpboot: Scheduler frequency invariance went wobbly, disabling! > [ 1112.592866] unchecked MSR access error: RDMSR from 0x123 at rIP: > 0xffffffffb5c9a184 (native_read_msr+0x4/0x30) > [ 1112.592869] Call Trace: > [ 1112.592876] update_srbds_msr+0x6f/0xb0 > [ 1112.592880] smp_store_cpu_info+0x8e/0xb0 > [ 1112.592883] start_secondary+0x93/0x200 > [ 1112.592887] ? set_cpu_sibling_map+0xcb0/0xcb0 > [ 1112.592891] secondary_startup_64+0xa4/0xb0 > [ 1112.592898] unchecked MSR access error: WRMSR to 0x123 (tried to > write 0x0000000000000000) at rIP: 0xffffffffb5c9a264 > (native_write_msr+0x4/0x20) > [ 1112.592899] Call Trace: > [ 1112.592902] update_srbds_msr+0x98/0xb0 > [ 1112.592904] smp_store_cpu_info+0x8e/0xb0 > [ 1112.592907] start_secondary+0x93/0x200 > [ 1112.592911] ? set_cpu_sibling_map+0xcb0/0xcb0 > [ 1112.592914] secondary_startup_64+0xa4/0xb0 > [ 2915.106879] show_signal: 6 callbacks suppressed > [ 6089.209343] WARNING: stack going in the wrong direction? at > i915_gem_close_object+0x2fb/0x560 [i915] This looks strange. Please send - full dmesg - output from the "grep -r . /sys/devices/system/cpu/vulnerabilities/" command - /proc/cpuinfo - .config Privately is fine too. > -----------------x---------------x----------------x------------ > Linux debian 5.9.1-rc1+ #4 SMP Fri Oct 16 16:48:04 IST 2020 x86_64 What kernel is that exactly? Can you reproduce with plain v5.9 too? Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette