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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 9B7B8C433F2 for ; Mon, 27 Jul 2020 19:47:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E84020759 for ; Mon, 27 Jul 2020 19:47:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sMHMB8VZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729026AbgG0TrO (ORCPT ); Mon, 27 Jul 2020 15:47:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729014AbgG0TrN (ORCPT ); Mon, 27 Jul 2020 15:47:13 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 753CAC061794 for ; Mon, 27 Jul 2020 12:47:13 -0700 (PDT) Received: by mail-pf1-x431.google.com with SMTP id k18so2432400pfp.7 for ; Mon, 27 Jul 2020 12:47:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sGQ4r67ks10a9qe3fOk8YWAIOQIxbh+oSzV4pqpcTt8=; b=sMHMB8VZWqlwbXWM79T30VxlVj+IefdVKIwTlDf0VEjEv0eg47NENQ/0P7cKueGUQI +8nCHx/Ez7jCJPiWFvLniRPedw/rfenucP/14M5GaV6t8Zn2iq3AXAhY6Mc+cF3AR3If tkCKJqdysJX89NANjkdlAhWQTwOG+8LgOxgJ2JlKw3YXfLyDeLItP97oJ/Uzr2hl1rMB ZRjX+FLOJIycW9o9c32RRniQbyQMsB3tp05irQxgp5w0I2NSrE4EJqvs7BgHp59q6LFR sSsaJU5PbtaQIrdsqZ8GU4BRO5vax1iCuEN5CX6vkdnYosN0wJ/x18k+S3G/oTn1SWP/ CnKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sGQ4r67ks10a9qe3fOk8YWAIOQIxbh+oSzV4pqpcTt8=; b=QPzxGp4inDmhYTEKfKxo3R/PEjimGScPSsAH1xHFi16nAX93/E0Kojr5vuRRVSZN7I 6hJmjDBpCzI7sS5Hxl2+uaPhLlTyzPNB5/KNMLt11S+HrXO8yE+jnDEh8A1QM2PBp5RZ a1H1YUzf0AwvJKIqoyDz5tPlsp8hIwBYP3pNOQuO4I3rqzw7oMw2ckIbieipXb9Bgjc9 kR08hIxZl6wkE4xoJWeLT9+YZVqhi7XBbFGKqAOIOKc45asz63mSNvbeHM2Y1V0dPy1B CUtjrf9prystMvPmiLm26w6hb/Y7s3HXPloFS0TjgEGxFxT9YTu7WPT9ZR1rCwx3QSaZ xfGg== X-Gm-Message-State: AOAM5324vIrUx+jfXj95TbAvjvjet8Jf/cYtQrZE5XgBbEmUr9xKx5Pa bnqcCuLqiSEjkv3+0AyeYtqdrIghozu7q3SBt94= X-Google-Smtp-Source: ABdhPJy+//PBMIQeWkJdzakQn7hhFAyqjwSVtG1idgDdUKWtxtdXzoCU6G/qQ8c7jAKH4frEP1nSdfwatABy3IKsXas= X-Received: by 2002:a62:758f:: with SMTP id q137mr3071458pfc.170.1595879232782; Mon, 27 Jul 2020 12:47:12 -0700 (PDT) MIME-Version: 1.0 References: <18cb4d48-6571-1fdb-5902-ba64c23eee75@broadcom.com> In-Reply-To: <18cb4d48-6571-1fdb-5902-ba64c23eee75@broadcom.com> From: Andy Shevchenko Date: Mon, 27 Jul 2020 22:46:56 +0300 Message-ID: Subject: Re: Kernel panic - not syncing: IO-APIC + timer doesn't work! To: Scott Branden Cc: Thomas Gleixner , Borislav Petkov , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , Ingo Molnar , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 27, 2020 at 10:20 PM Scott Branden wrote: > > Occasionally I get the following Kernel panic on boot. This is running on the latest kernel but have seen it previously as well. > "Kernel panic - not syncing: IO-APIC + timer doesn't work! Boot with apic=debug and send a report." > > I don't know who I am support to send a report to. But here is the log with apic=debug Just a wild guess, do you have x2APIC in your system enabled and driver for it? -- With Best Regards, Andy Shevchenko