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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 916F3C433F5 for ; Wed, 5 Sep 2018 13:02:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3963C20857 for ; Wed, 5 Sep 2018 13:02:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3963C20857 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727591AbeIERc5 (ORCPT ); Wed, 5 Sep 2018 13:32:57 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:59508 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725890AbeIERc5 (ORCPT ); Wed, 5 Sep 2018 13:32:57 -0400 Received: from p4fea45ac.dip0.t-ipconnect.de ([79.234.69.172] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1fxXSC-0004C7-PW; Wed, 05 Sep 2018 15:02:40 +0200 Date: Wed, 5 Sep 2018 15:02:40 +0200 (CEST) From: Thomas Gleixner To: kernel test robot cc: Andrew Morton , Linux Memory Management List , LKML , LKP , Peter Zijlstra Subject: Re: [LKP] 3f906ba236 [ 71.192813] WARNING: possible circular locking dependency detected In-Reply-To: <20180905090553.GA6655@shao2-debian> Message-ID: References: <20180905090553.GA6655@shao2-debian> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 5 Sep 2018, kernel test robot wrote: > 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 3f906ba23689a3f824424c50f3ae937c2c70f676 > Author: Thomas Gleixner > AuthorDate: Mon Jul 10 15:50:09 2017 -0700 > Commit: Linus Torvalds > CommitDate: Mon Jul 10 16:32:33 2017 -0700 So it identified a more than one year old commit. Great. > vm86 returned ENOSYS, marking as inactive. 20044 iterations. [F:14867 S:5032 HI:3700] [ 57.651003] synth uevent: /module/pcmcia_core: unknown uevent action string [ 71.189062] [ 71.191953] ====================================================== [ 71.192813] WARNING: possible circular locking dependency detected [ 71.193664] 4.12.0-10480-g3f906ba #1 Not tainted [ 71.194355] ------------------------------------------------------ [ 71.195211] trinity-c0/1666 is trying to acquire lock: [ 71.195958] (mem_hotplug_lock.rw_sem){.+.+.+}, at: show_slab_objects+0x14b/0x440 [ 71.197284] [ 71.197284] but task is already holding lock: along with completely unparseable information. What am I supposed to do with this mail? Thanks, tglx From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============4453286801010578387==" MIME-Version: 1.0 From: Thomas Gleixner To: lkp@lists.01.org Subject: Re: 3f906ba236 [ 71.192813] WARNING: possible circular locking dependency detected Date: Wed, 05 Sep 2018 15:02:40 +0200 Message-ID: In-Reply-To: <20180905090553.GA6655@shao2-debian> List-Id: --===============4453286801010578387== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Wed, 5 Sep 2018, kernel test robot wrote: > 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 3f906ba23689a3f824424c50f3ae937c2c70f676 > Author: Thomas Gleixner > AuthorDate: Mon Jul 10 15:50:09 2017 -0700 > Commit: Linus Torvalds > CommitDate: Mon Jul 10 16:32:33 2017 -0700 So it identified a more than one year old commit. Great. > vm86 returned ENOSYS, marking as inactive. 20044 iterations. [F:14867 S:5= 032 HI:3700] [ 57.651003] synth uevent: /module/pcmcia_core: unknown uevent= action string [ 71.189062] [ 71.191953] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 71.192813] WARNING= : possible circular locking dependency detected [ 71.193664] 4.12.0-10480-g= 3f906ba #1 Not tainted [ 71.194355] ---------------------------------------= --------------- [ 71.195211] trinity-c0/1666 is trying to acquire lock: [ 7= 1.195958] (mem_hotplug_lock.rw_sem){.+.+.+}, at: show_slab_objects+0x14b/0x= 440 [ 71.197284] [ 71.197284] but task is already holding lock: along with completely unparseable information. What am I supposed to do with this mail? Thanks, tglx --===============4453286801010578387==--