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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75788C77B71 for ; Tue, 25 Apr 2023 11:20:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233602AbjDYLUV (ORCPT ); Tue, 25 Apr 2023 07:20:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233451AbjDYLUT (ORCPT ); Tue, 25 Apr 2023 07:20:19 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43DD8196; Tue, 25 Apr 2023 04:20:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=WYHkmc6gK/GgjTHZCT7HG42OoUHKVnX5JUVMg0hbRso=; b=QfNLhB5DzekLEkai9G6ZF7BUOm rQv3+I3XgNSEw7nvwc9WNDionRYGlF9vk8vrQscnfDFJ2/K3Co8XBTPNqkc8s6sX6deOARg6TAYF8 xq+8BWEsobA86UyX+9n4CW1Imth1Fb3xWkH+cEwG6/8jxULJA9y4kO9eeCQnagW8X+Fd7aDGKXzMo 7A5AIoGuUfcKyPJC623/r0rGxC9eM+XI1hvcLkX0ezWwmPNApOp28NbbX9m+1u+2YTYybQovSoKyH ZsMRYRHUyJ86HM56eZkpjxyk3qNhCqrBte3jgepxUuoF0zICPQ+x3kE+3q+MaYn555wOk3rfopS7g uH9Yr3fA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1prGiE-001Ntn-2s; Tue, 25 Apr 2023 11:19:58 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 3114C300380; Tue, 25 Apr 2023 13:19:56 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 09882241B9566; Tue, 25 Apr 2023 13:19:56 +0200 (CEST) Date: Tue, 25 Apr 2023 13:19:55 +0200 From: Peter Zijlstra To: kernel test robot Cc: kan.liang@linux.intel.com, oe-lkp@lists.linux.dev, lkp@intel.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, eranian@google.com, ak@linux.intel.com Subject: Re: [PATCH V4 2/2] perf/x86/intel/ds: Delay the threshold update Message-ID: <20230425111955.GB1335080@hirez.programming.kicks-ass.net> References: <20230421184529.3320912-2-kan.liang@linux.intel.com> <202304251457.d108dbb3-yujie.liu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202304251457.d108dbb3-yujie.liu@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 25, 2023 at 03:16:29PM +0800, kernel test robot wrote: > Hello, > > kernel test robot noticed "Kernel_panic-not_syncing:Timeout:Not_all_CPUs_entered_broadcast_exception_handler" on: > > commit: a17c97370d1fb9b2eac75c85136a1f70ec44eded ("[PATCH V4 2/2] perf/x86/intel/ds: Delay the threshold update") > url: https://github.com/intel-lab-lkp/linux/commits/kan-liang-linux-intel-com/perf-x86-intel-ds-Delay-the-threshold-update/20230422-024743 > base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 15def34e2635ab7e0e96f1bc32e1b69609f14942 > patch link: https://lore.kernel.org/all/20230421184529.3320912-2-kan.liang@linux.intel.com/ > patch subject: [PATCH V4 2/2] perf/x86/intel/ds: Delay the threshold update > > [ 224.064675][ C84] mce: CPUs not responding to MCE broadcast (may include false positives): 0-83,85-223 > [ 224.064681][ C84] Kernel panic - not syncing: Timeout: Not all CPUs entered broadcast exception handler > [ 225.089881][ C84] Shutting down cpus with NMI > [ 225.129381][ C84] Kernel Offset: disabled That seems very unrelated to the patch at hand; was this bisect double checked?