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=-0.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 9F579C433DF for ; Sat, 4 Jul 2020 09:04:20 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4C246207CD for ; Sat, 4 Jul 2020 09:04:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CKrf78vA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C246207CD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.94) (envelope-from ) id 1jre5J-0002KJ-II; Sat, 04 Jul 2020 05:03:45 -0400 Received: from mail-qt1-x832.google.com ([2607:f8b0:4864:20::832]) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1jre5E-0002KB-Ck for Kernelnewbies@kernelnewbies.org; Sat, 04 Jul 2020 05:03:40 -0400 Received: by mail-qt1-x832.google.com with SMTP id d27so25493234qtg.4 for ; Sat, 04 Jul 2020 02:03:40 -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:content-transfer-encoding; bh=lTK6SdtX3n/Q5itWS0qAu7DlA9ZQKD2uAzl11cH4BvU=; b=CKrf78vACREu8cEarJxV/GGa5cXYMf/g5BNcFe8FgEW9CQJcrLMsxUanGOiB/G76iU t3cTP5rJEQG/mo8wtaWKoEla1nghMuwrNXBWLNT5ME4Bioc2PRUXQI6dsRStr3zqOzsu 5S/2HMJ8vGdpEK/TvvgoB89PPQmXMINYq8Jqu+YKBco0xfRhJDArL/jvGcpQv8vTJwIj W43zfarDFfnGAyJoVLjdzaf1NDLbRdFoyRaLqcNXYI4/Xot3DhKttN3CUzPOZKkn3BCA FaOcuY5+kxleJH1qTK0R2evPm9cn2khhi7KNI5lA+hx4igXVYBW8o991G8yhQzYjsOFK AOSQ== 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:content-transfer-encoding; bh=lTK6SdtX3n/Q5itWS0qAu7DlA9ZQKD2uAzl11cH4BvU=; b=W1O5XZUrQGC8smVS92VwnvXBJj+zuOCjvRWXzSEEZB1u1OBWVjdXw9ZFBYAaVOi/3k RIZcIuifC+ok80nnpqrJmptkmkusLiTfjuuFUB9TjDHJUgGOYX/NZBMv51lGAnqmBuE8 Quk8iTJoLaUshc85jl2DuHCqmmE3JjLLsQfdR3qB6XVr6yXPNQmKBVqlVKOAt6ZRKssM Jh6NVwcDAQKkIvvTRUp6VUVIrcs+bB/0OZN9vVQ4qiShPQC32lRHddIiGjX3YYH2C1rA 1ArIDvyZKfa8J/MGBoMFBiGGh0Dv/D36hj/Jn3kaAn0xclUfAmoKjjF+AjuZKNdgg5nV pcEw== X-Gm-Message-State: AOAM533y5FEy0mLh8pNhUCzZNjNU7uoLjZAtX57gz3CYk6Zy1jw4lHqt 5MiuIOi+7vl+bfaGbQ73Tf8hH86YpGlv9OYBDig= X-Google-Smtp-Source: ABdhPJyhIydCLA96t4UM82/cNfUflKVe5HXBzpAy0VBabQrxtd9ehndcDod++a/GsHmeb/P/bAleNRh21XtREvZ5X/Q= X-Received: by 2002:aed:2e07:: with SMTP id j7mr42049921qtd.338.1593853418333; Sat, 04 Jul 2020 02:03:38 -0700 (PDT) MIME-Version: 1.0 References: <36373.1593837553@turing-police> <44849.1593850181@turing-police> In-Reply-To: <44849.1593850181@turing-police> From: =?UTF-8?B?5a2Z5LiW6b6ZIHN1bnNoaWxvbmc=?= Date: Sat, 4 Jul 2020 17:04:57 +0800 Message-ID: Subject: Re: How can I investigate the cause of "watchdog: BUG: soft lockup"? To: =?UTF-8?Q?Valdis_Kl=C4=93tnieks?= Cc: kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernelnewbies-bounces@kernelnewbies.org SGksIFZhbGRpcyBLbMSTdG5pZWtzCgpUaGFuayB5b3UgZm9yIHRha2luZyB0aGUgdGltZSB0byBy ZXNwb25kIHRvIG1lLgpJIGhhdmUgYSBiZXR0ZXIgdW5kZXJzdGFuZGluZyBvZiB0aGlzIG1hdHRl ci4KCj4+IENhbiBJIGRyYXcgdGhlIGNvbmNsdXNpb24gdGhhdCBjb250aW51YWxseSBhY3F1aXJp bmcgdGhlIHNwaW5sb2NrIGNhdXNlcyB0aGUgc29mdAo+PiBsb2NrdXAgYW5kIHRoZSBDUFUgaGFz IGJlZW4gc3R1Y2sgZm9yIDIycz8KPj4gQ2FuIEkgdGhpbmsgaW4gdGhpcyB3YXk/Cgo+Tm8uICBJ dCdzIGJlZW4gc3R1Y2sgZm9yIDIycyAqVFJZSU5HKiBhbmQgKkZBSUxJTkcqIHRvIGdldCB0aGUg c3BpbmxvY2suCgpJIHNlZS4gU28gdGhlcmUgaXMgYSB0aHJlYWQgdGhhdCBoYXMgaGVsZCB0aGUg Y29ycmVzcG9uZGluZyBzcGlubG9jawpmb3IgbW9yZSAyMnMuCkNhbiBJIHRoaW5rIGluIHRoaXMg d2F5PwoKVGhhbmsgeW91IGZvciB5b3VyIGF0dGVudGlvbiB0byB0aGlzIG1hdHRlci4KQmVzdCBS ZWdhcmRzLgoKVmFsZGlzIEtsxJN0bmlla3MgPHZhbGRpcy5rbGV0bmlla3NAdnQuZWR1PiDkuo4y MDIw5bm0N+aciDTml6Xlkajlha0g5LiL5Y2INDowOeWGmemBk++8mgo+Cj4KPiA+IENhbiBJIGRy YXcgdGhlIGNvbmNsdXNpb24gdGhhdCBjb250aW51YWxseSBhY3F1aXJpbmcgdGhlIHNwaW5sb2Nr IGNhdXNlcyB0aGUgc29mdAo+ID4gbG9ja3VwIGFuZCB0aGUgQ1BVIGhhcyBiZWVuIHN0dWNrIGZv ciAyMnM/Cj4gPiBDYW4gSSB0aGluayBpbiB0aGlzIHdheT8KPgo+IE5vLiAgSXQncyBiZWVuIHN0 dWNrIGZvciAyMnMgKlRSWUlORyogYW5kICpGQUlMSU5HKiB0byBnZXQgdGhlIHNwaW5sb2NrLgo+ Cj4gRm9yIGNvbXBhcmlzb24gLSBzcGlubG9ja3MgYXJlIHVzdWFsbHkgdXNlZCB3aGVuIHlvdSBu ZWVkIGEgbG9jaywgYnV0IHRoZQo+IGNvZGUgcHJvdGVjdGVkIGJ5IHRoZSBsb2NrIGlzIHNob3J0 ICh0aGluZ3MgbGlrZSBhZGRpbmcgdG8gYSBsaW5rZWQgbGlzdCwgZXRjKSwKPiBzbyBpdCBzaG91 bGQgYWdhaW4gYmVjb21lIGF2YWlsYWJsZSBpbiBtaWxsaXNlY29uZHMgLSB0aGluZ3Mgd2hlcmUg aXQgd291bGQgdGFrZQo+IGxvbmdlciB0byBwdXQgdGhpcyB0aHJlYWQgdG8gc2xlZXAgYW5kIHdh a2UgYW5vdGhlciBvbmUgdXAgdGhhbiB3ZSBleHBlY3QKPiB0byBiZSB3YWl0aW5nIGZvciB0aGlz IGxvY2suCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpL ZXJuZWxuZXdiaWVzIG1haWxpbmcgbGlzdApLZXJuZWxuZXdiaWVzQGtlcm5lbG5ld2JpZXMub3Jn Cmh0dHBzOi8vbGlzdHMua2VybmVsbmV3Ymllcy5vcmcvbWFpbG1hbi9saXN0aW5mby9rZXJuZWxu ZXdiaWVzCg==