Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp2046456ybv; Fri, 21 Feb 2020 07:57:33 -0800 (PST) X-Google-Smtp-Source: APXvYqx4M/O642qaTfAPYUkvsuyCWWaTFistsRM77wdkw4ZN12BSyZndHNKIkJd5+NYgIUN4E8Ue X-Received: by 2002:a05:6830:1f1c:: with SMTP id u28mr30082480otg.143.1582300653196; Fri, 21 Feb 2020 07:57:33 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582300653; cv=none; d=google.com; s=arc-20160816; b=p2LCBJfGkYBOZs08VR4xK/moyIqhIKpcc+9IzbkUYp+UZh5cH2c0JJqKpi/XJMyrEd i/A8XoDsQb4upVICYnXHMR/rKc/MxRzH/hCcb2r3C0wXrKHeR51SZnIV8TAr5GDHrKdl 8LIP/XxplKWgUNEe9X4nACtoSWC8JNBi2HmObHlzSlqcVPEGrdAKH/g5wW30JPTzEtIV yyaP9eTcbLSJxfnELV0QAPB838JUXnTMl2CgdvxTCidrYbBWS37rBddCTth1buq0annt QAqn5D1bdCeVWvyK9W+LCmkfWwEFX1S9V/pMSTlsuzS0L9z5uZy1PZYhuAtmGglu8xDJ Rcwg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=PwabF4GOlu60fd6dS0Oyqq9zi1lSTotH33nDQFsA1aI=; b=svj93n8M0s97fo9XoA+CoKbXFGLCi+0U49+DuQT74MPWaseviZVtylnqUHSmroOeYL 4rfiyLm/yZnc83mG4wg4RuNYntGoRMz2q0Z5s+jlxyN0OI4lEUg76UXRF/X/xB6IMoi2 EVIw2pwbxb5q0+X3fCL8PjnIHEmPSboUt0OcNOUfD+tv+6ev4GaoCHsUAj+mv6bF6CqG +l2SfW0OPjbvc0EwVymJsTVe68Bj2+T8fCx9MslPqY1YHuUxjF0dkJCCBuNR1VlHnxxb sSjdeIUG7rEWhyOL4fKWEa5x/7C9ehF5xZ1wWOQbVv14LWDA2amuKcGjqblJ0gzxvQ/j hXMg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=l44Uxqre; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m26si1788174otk.305.2020.02.21.07.57.19; Fri, 21 Feb 2020 07:57:33 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=l44Uxqre; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729288AbgBUP5N (ORCPT + 99 others); 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