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[23.128.96.34]) by mx.google.com with ESMTPS id az3-20020a17090b028300b002777b6d0cabsi4169187pjb.89.2023.10.20.05.51.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 05:51:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id 69F2982EC541; Fri, 20 Oct 2023 05:51:09 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377308AbjJTMu5 (ORCPT + 99 others); Fri, 20 Oct 2023 08:50:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377239AbjJTMu4 (ORCPT ); Fri, 20 Oct 2023 08:50:56 -0400 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E1A2D49 for ; Fri, 20 Oct 2023 05:50:51 -0700 (PDT) Received: from fsav117.sakura.ne.jp (fsav117.sakura.ne.jp [27.133.134.244]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 39KConMD087200; Fri, 20 Oct 2023 21:50:49 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav117.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav117.sakura.ne.jp); Fri, 20 Oct 2023 21:50:49 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav117.sakura.ne.jp) Received: from [192.168.1.6] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 39KComnl087197 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Fri, 20 Oct 2023 21:50:49 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <108abe1f-56bc-42d1-90c5-180a3d66b5ab@I-love.SAKURA.ne.jp> Date: Fri, 20 Oct 2023 21:50:48 +0900 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] clocksource: disable irq when holding watchdog_lock. Content-Language: en-US To: paulmck@kernel.org Cc: Thomas Gleixner , John Stultz , Stephen Boyd , LKML , Sebastian Andrzej Siewior , x86@kernel.org, joel@joelfernandes.org, frederic@kernel.org References: <80ff5036-8449-44a6-ba2f-0130d3be6b57@I-love.SAKURA.ne.jp> <878r826xys.ffs@tglx> <90361195-4309-4a02-bd3f-8ee606e6d35b@I-love.SAKURA.ne.jp> <5ef329fe-1f3b-4d81-9625-9738620f051e@I-love.SAKURA.ne.jp> <87r0lq3j2t.ffs@tglx> <2c822e13-775c-4e55-bf2f-152dbca0c910@I-love.SAKURA.ne.jp> <83c9317a-b1d2-4741-b955-98e7cd23595c@paulmck-laptop> From: Tetsuo Handa In-Reply-To: <83c9317a-b1d2-4741-b955-98e7cd23595c@paulmck-laptop> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Fri, 20 Oct 2023 05:51:10 -0700 (PDT) On 2023/10/20 12:30, Paul E. McKenney wrote: > A bit of a long shot, but given your earlier console log, could you > please try Frederic's patches? > > https://lore.kernel.org/lkml/20231019233543.1243121-1-frederic@kernel.org/ Didn't make difference. I booted another Ubuntu kernel used by installation ISO image, and found no problem. Maybe the only way to narrow down is to build various kernel configurations? ubuntu-23.10-live-server-amd64.iso [ 0.000000] Linux version 6.5.0-9-generic (buildd@bos03-amd64-043) (x86_64-linux-gnu-gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0, GNU ld (GNU Binutils for Ubuntu) 2.41) #9-Ubuntu SMP PREEMPT_DYNAMIC Sat Oct 7 01:35:40 UTC 2023 (Ubuntu 6.5.0-9.9-generic 6.5.3) [ 0.000000] Command line: BOOT_IMAGE=/casper/vmlinuz console=ttyS0,115200n8 console=tty0 --- (...snipped...) [ 0.896948] smp: Bringing up secondary CPUs ... [ 0.899571] smpboot: x86: Booting SMP configuration: [ 0.901912] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7 [ 0.914558] TSC synchronization [CPU#0 -> CPU#1]: [ 0.916496] Measured 62205 cycles TSC warp between CPUs, turning off TSC clock. [ 0.916496] tsc: Marking TSC unstable due to check_tsc_sync_source failed [ 0.940504] smp: Brought up 1 node, 8 CPUs [ 0.944498] smpboot: Max logical packages: 1 [ 0.946468] smpboot: Total of 8 processors activated (41779.32 BogoMIPS)