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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 A7E40C43441 for ; Mon, 19 Nov 2018 14:39:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 70FB02089F for ; Mon, 19 Nov 2018 14:39:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Hw0a9Vi2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70FB02089F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-pci-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729547AbeKTBDI (ORCPT ); Mon, 19 Nov 2018 20:03:08 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:40658 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729469AbeKTBDH (ORCPT ); Mon, 19 Nov 2018 20:03:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=At/LRceUgeM+WuLHzROM+zGY0dThO8RIcOf7iK4BX1I=; b=Hw0a9Vi2kbX6Ru3XNV08/BDrG fSh2Lx5iB/IQgGm3/76mwJYLT8CEblxHWahgxnaBE0v7B+l8FQtk3g7uaRqSGobJSHjnpGk0nEPCL Wsynmcs/QWbfDv0Mj2vCNI98hTQZjGXbxpBD1mthi+nL5i+gYs2+DKLPUUjN3oIrc4uuGPaYQFjQD U/t27bbCHCQu/iVLKOFf6Nj2UXvfGJjhOhUlrqkW8EUt1p7ZchE7Ijyoliwmk8bbD/BnDEKBhVPSQ CfBLqF9P9oIGg15pzL4cH4NwFH20WS1hinAzAO6W/B8DQcuw+zt16yHz0ckxPqoKTg4mPzymAlV9F jJ7DuzCGw==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gOkhq-0007Qe-9T; Mon, 19 Nov 2018 14:39:18 +0000 Date: Mon, 19 Nov 2018 06:39:18 -0800 From: Matthew Wilcox To: kernel test robot Cc: Linus Torvalds , LKML , linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, LKP Subject: Re: [LKP] dad4f140ed [ 7.709376] WARNING:suspicious_RCU_usage Message-ID: <20181119143918.GB394@bombadil.infradead.org> References: <20181119010820.GM18977@shao2-debian> <20181119011904.GE7861@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181119011904.GE7861@bombadil.infradead.org> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Sun, Nov 18, 2018 at 05:19:04PM -0800, Matthew Wilcox wrote: > On Mon, Nov 19, 2018 at 09:08:20AM +0800, kernel test robot wrote: > > Greetings, > > > > 0day kernel testing robot got the below dmesg and the first bad commit is > > Umm. I don't see a 'suspicious RCU usage' message in here. I see a > lot of vmalloc warnings ... ? Never mind, the RCU warnings were in one of the attached dmesg files. I found the problem; it's in the test-suite and not something that could lead to any real problems today. Thanks for the report!