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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 72DBAC35656 for ; Fri, 21 Feb 2020 15:57:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B47D206EF for ; Fri, 21 Feb 2020 15:57:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="l44Uxqre" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729299AbgBUP5N (ORCPT ); Fri, 21 Feb 2020 10:57:13 -0500 Received: from mail.skyhub.de ([5.9.137.197]:58128 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728643AbgBUP5M (ORCPT ); Fri, 21 Feb 2020 10:57:12 -0500 Received: from zn.tnic (p200300EC2F090A0078F81E233D8BB03D.dip0.t-ipconnect.de [IPv6:2003:ec:2f09:a00:78f8:1e23:3d8b:b03d]) (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 7B9F91EC045C; Fri, 21 Feb 2020 16:57:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1582300631; 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=PwabF4GOlu60fd6dS0Oyqq9zi1lSTotH33nDQFsA1aI=; b=l44UxqreqVuG3/28DbVDIxlmN3cK9XZgPgu1+6gGUu30e9Q3y03u946G+vmKkTjCJyzksv qFYmvX1xOIS/MqORAIXLlYDUh+JwM+npDli2HxSxPYiVLaHnD04s1Pf2+fC7VbqP4O8LFp 8y+kYaqVAhLmfNRTDbX1d1ec/GWqnq4= Date: Fri, 21 Feb 2020 16:57:06 +0100 From: Borislav Petkov To: Paul Menzel Cc: Thomas Gleixner , Ingo Molnar , "x86@kernel.org" , LKML , it+linux-x86@molgen.mpg.de Subject: Re: kernel BUG at arch/x86/kernel/apic/apic.c with Dell server with x2APIC enabled and unset X2APIC Message-ID: <20200221155706.GJ25747@zn.tnic> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 21, 2020 at 03:37:23PM +0100, Paul Menzel wrote: > Dear Linux folks, > > > On the Dell PowerEdge T640/04WYPY, BIOS 2.4.8 11/27/2019, Linux 5.4.14 (and 4.19.57) with > unset `IRQ_REMAP` and `X86_X2APIC` crashes on start-up, when x2APIC is enabled in the > firmware. Does it happen with latest 5.5-stable too? I see 5.5.5 is the last one... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette