Received: by 2002:ac0:e350:0:0:0:0:0 with SMTP id g16csp246605imn; Thu, 4 Aug 2022 04:29:17 -0700 (PDT) X-Google-Smtp-Source: AA6agR78C2IbcSOtplDKai2Rz6vWeNytNgnFH15yNRbTES9k558iZqOCpiLBdoHw6KtdUgzL5jeu X-Received: by 2002:a17:902:ba91:b0:16c:6b8e:cd06 with SMTP id k17-20020a170902ba9100b0016c6b8ecd06mr1454550pls.33.1659612557543; Thu, 04 Aug 2022 04:29:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1659612557; cv=none; d=google.com; s=arc-20160816; b=QE/TEVp79u8dP5MicbPH7Z6K6nFOnkTK3o2KkAU0Vm0Cv8PCI7I3ixVhrj2Xw8bCbQ DshDBsjI4cAj/a2VNNnkEMEZt0tTiGcq+H+K3w0O9dS9d99ADhsNtuBpDNslGtBBDklz Kho61POSTB2M1JRYYermNgDQ5DRDOUgfR5XNPJ8DEf3cMU2on9SmNqCzqM12giema4lm cWgjhYS7PCpCIIV4cQGypxzzEYZyYzFb9/nhFtQwmZbZPvjE+oOu2eaGlIGO0uqDdNdt n7+PmG9SOjSeaeIJvlXbZ0kwcLQTpqKvOq02t3mpGGuIrYeNuaH1h4ouY6vZOvzhp/D2 DAJQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=Ew7jfQGtrsGzcAff9KsTX8h/Z4f11iCoACzooot8XoI=; b=Gko2urwh5B1/ykEYBLI2dN7zLdHRZUoEy4zk3BhKbyErDCEjLBovuZlU6i6cL3opOb WvnYfECaq9KEkR1ra1+ot4ji+hvXRHXwPW+jzH0YBASqz/OZvAeG1jHyXsjktfNp30t/ CU3gce0kYKjFBnsY3RiugZ6HYGU+9NX6rf/rGqjYaZSDI+2M3/T489SrT0aiv0wC80gV pEvdUTFmBmWYOVlwneYLnFVQcaZBpqxiQT8JB9bZX2dI812mlC0kbWCSkqmXAN83i43f 0Oy+0Q0NHmkj/U0JgBqz4PpS7h4mNCuEXBqBJfvrbFA9MuOg4q+Xu6SNSSRGLKF9BA5c xJuA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y31-20020a63495f000000b00412b6dd0cd0si1019441pgk.603.2022.08.04.04.29.00; Thu, 04 Aug 2022 04:29:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233278AbiHDLXh (ORCPT + 99 others); Thu, 4 Aug 2022 07:23:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230138AbiHDLXf (ORCPT ); Thu, 4 Aug 2022 07:23:35 -0400 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A67EE2B182; Thu, 4 Aug 2022 04:23:34 -0700 (PDT) Received: from fsav116.sakura.ne.jp (fsav116.sakura.ne.jp [27.133.134.243]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 274BNE8H015743; Thu, 4 Aug 2022 20:23:14 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav116.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav116.sakura.ne.jp); Thu, 04 Aug 2022 20:23:14 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav116.sakura.ne.jp) Received: from [192.168.1.9] (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 274BNE6x015740 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Thu, 4 Aug 2022 20:23:14 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: Date: Thu, 4 Aug 2022 20:23:12 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.1.0 Subject: Re: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! Content-Language: en-US To: Mikhail Gavrilov , Chris Murphy Cc: David Sterba , Btrfs BTRFS , linux-kernel , dvyukov@google.com References: <20220726164250.GE13489@twin.jikos.cz> <1d1afda7-2b4b-4984-adbe-51339ebbdd18@www.fastmail.com> From: Tetsuo Handa In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NICE_REPLY_A, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/08/04 16:35, Mikhail Gavrilov wrote: > On Thu, Aug 4, 2022 at 1:01 AM Chris Murphy wrote: >> >> This will be making it into Fedora debug kernels, which have lockdep enabled on them, starting with 5.20 series, which are now building in koji. >> https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1921 > > I saw this change, but it would be good if users of all other > distributions will be happy too. > I'm not a lockdep maintainer. Please submit a patch to lockdep maintainers and persuade lockdep maintainers to change the default value. ;-)