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 E5B21C43610 for ; Mon, 19 Nov 2018 01:19:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A69922080C for ; Mon, 19 Nov 2018 01:19:12 +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="H9CQWRwJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A69922080C 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 S1727141AbeKSLlC (ORCPT ); Mon, 19 Nov 2018 06:41:02 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:43962 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726235AbeKSLlC (ORCPT ); Mon, 19 Nov 2018 06:41:02 -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=7LUWbQKNC9ero45eNqmcVOEcr31ejDs4Sku6065JQqg=; b=H9CQWRwJr57gdh8Cn5tMdDRMt +3bCj+5z7MsQV9BsH173LzaHNM4cHq+UAqEGBwU56ZtHGiNtXvdASh1GGGYGZQrmSxMYC/5m7qcyg hl497L3otZVRQsp7mP3OzgQxFrLlPORfkqS5dlgVzF/+zy9jVBX0MXKnE81IR82m5SLWEd6ln917F D0ks4Y4AZYMnQiZ9tIS+lmzkryJ5VzyXuHErn8FG1pIbDTHqLCETEXAW7QhSzZN2okVLZCkL9Uz8E nBAHLU7mOliGG9ryVKbgZ2wVnX6Q3MXSM2u1riFhVFufRPDgDH0lAaEeVHtnt9NN4FJoUlASNWXHa WjE6Y47kA==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gOYDR-00017k-5S; Mon, 19 Nov 2018 01:19:05 +0000 Date: Sun, 18 Nov 2018 17:19:04 -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: <20181119011904.GE7861@bombadil.infradead.org> References: <20181119010820.GM18977@shao2-debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181119010820.GM18977@shao2-debian> 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 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 ... ? > [ 7.699777] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.724561] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.737925] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) > [ 7.750283] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) > [ 7.777903] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.787175] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6000c0(GFP_KERNEL), nodemask=(null) > [ 7.796181] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) > [ 7.804841] swapper: vmalloc: allocation failure: 18446744073709551615 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)