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=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 1FC90C43441 for ; Mon, 19 Nov 2018 14:41:53 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 500BA206BB for ; Mon, 19 Nov 2018 14:41:52 +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 500BA206BB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42zBP94fgWzF3Ly for ; Tue, 20 Nov 2018 01:41:49 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="Hw0a9Vi2"; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=willy@infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.b="Hw0a9Vi2"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42zBLL0YR3zF3F9 for ; Tue, 20 Nov 2018 01:39:22 +1100 (AEDT) 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 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) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-parisc@vger.kernel.org, linux-doc@vger.kernel.org, Linus Torvalds , intel-gfx@lists.freedesktop.org, linux-pci@vger.kernel.org, LKML , dri-devel@lists.freedesktop.org, linux-acpi@vger.kernel.org, LKP , linux-input@vger.kernel.org, linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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!