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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 93848C2D0E8 for ; Fri, 3 Apr 2020 06:53:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72BEC2080C for ; Fri, 3 Apr 2020 06:53:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388457AbgDCGxX (ORCPT ); Fri, 3 Apr 2020 02:53:23 -0400 Received: from mga06.intel.com ([134.134.136.31]:36967 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729423AbgDCGxX (ORCPT ); Fri, 3 Apr 2020 02:53:23 -0400 IronPort-SDR: pkfLmWpzZubv+DHa8fiJAyu7bJwuIO/XCyMy5rPySuD4tcYd27exZU7XlcCsZITG71e2Vc3aag yzROJfHYaVbQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Apr 2020 23:53:22 -0700 IronPort-SDR: SYWvhQZyVHVpX4T8X0mwVSyHpqrQLoipgtu+F7FP2HWJYz+ETML7SiQEeGyQnC63G4SX1xnMaq d+R0X+4p/0pw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,338,1580803200"; d="scan'208";a="451200393" Received: from unknown (HELO [10.239.13.3]) ([10.239.13.3]) by fmsmga006.fm.intel.com with ESMTP; 02 Apr 2020 23:53:20 -0700 Subject: Re: [LKP] Re: de8f5e4f2d ("lockdep: Introduce wait-type checks"): [ 17.344674] EIP: default_idle To: Thomas Gleixner , kernel test robot , Peter Zijlstra Cc: Sebastian Andrzej Siewior , linux-kernel@vger.kernel.org, rcu@vger.kernel.org, LKP References: <20200402081732.GM8179@shao2-debian> <87h7y2ns2j.fsf@nanos.tec.linutronix.de> From: Rong Chen Message-ID: <75dd6e6b-745d-23be-6d3d-1984b1f7f47d@intel.com> Date: Fri, 3 Apr 2020 14:52:58 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <87h7y2ns2j.fsf@nanos.tec.linutronix.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/2/20 5:40 PM, Thomas Gleixner wrote: > kernel test robot writes: >> Greetings, >> >> 0day kernel testing robot got the below dmesg and the first bad commit is >> >> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >> >> commit de8f5e4f2dc1f032b46afda0a78cab5456974f89 >> Author: Peter Zijlstra >> AuthorDate: Sat Mar 21 12:26:01 2020 +0100 >> Commit: Peter Zijlstra >> CommitDate: Sat Mar 21 16:00:24 2020 +0100 >> >> lockdep: Introduce wait-type checks > Can you please avoid enabling > >> CONFIG_PROVE_RAW_LOCK_NESTING=y > for now? > > As the changelog states, there are known issues and that's why the > config is default=n. Hi Thomas, Thanks for the advice, we have disabled CONFIG_PROVE_RAW_LOCK_NESTING. Best Regards, Rong Chen