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=-2.4 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 8547D160A325 for ; Mon, 30 Jul 2018 15:43:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3371D20870 for ; Mon, 30 Jul 2018 15:43:14 +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="M/w3N8gP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3371D20870 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730431AbeG3RSp (ORCPT ); Mon, 30 Jul 2018 13:18:45 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:38014 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726854AbeG3RSp (ORCPT ); Mon, 30 Jul 2018 13:18:45 -0400 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:To:From:Date:Sender:Reply-To:Cc: 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=8ztXLKv92fsz0q9bH9yPXuFZkcAoDO8YjzcW5OHSQ7Q=; b=M/w3N8gPwliXBoWPP04QB/4Jt Qf87XyVvU4wA0rTst0sRF107BVv8cVZXhuOCcO1P5j70dLspEcaUilosl85LbxGFcnETX07g8LM1l HdLcQoZX3Xf6wtBfjmfUMqMJkCqmvd1P/Tclx/++F7FNeWY6MqlYE+fVjOvhbQ2f0e7GqeTwXoi6c he0KXjtoLtg3DjnhLq/e7rwiK+rbr+Ov8ZUdA+HFiRVXTfmSos8uT5ajOqGOlpaJyAtTSncTKUP0R GicvvY1Wc/bGeF1LBnCi8nzw+k9uOZT7IU5tsDjiwfjCm3NS5nX98LQLnguxsYuhWuXeaXF02Lu9F V8xdCVMfw==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1fkAKE-0005Wl-Pd; Mon, 30 Jul 2018 15:43:10 +0000 Date: Mon, 30 Jul 2018 08:43:10 -0700 From: Matthew Wilcox To: Ross Zwisler , zwisler@kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Jan Kara , Jeff Layton , Lukas Czerner , Christoph Hellwig , Goldwyn Rodrigues , Nicholas Piggin , Ryusuke Konishi , linux-nilfs@vger.kernel.org, Jaegeuk Kim , Chao Yu , linux-f2fs-devel@lists.sourceforge.net Subject: Re: [PATCH v14 00/74] Convert page cache to XArray Message-ID: <20180730154310.GA4685@bombadil.infradead.org> References: <20180617020052.4759-1-willy@infradead.org> <20180619031257.GA12527@linux.intel.com> <20180619092230.GA1438@bombadil.infradead.org> <20180619164037.GA6679@linux.intel.com> <20180619171638.GE1438@bombadil.infradead.org> <20180627110529.GA19606@bombadil.infradead.org> <20180627194438.GA20774@linux.intel.com> <20180725210323.GB1366@bombadil.infradead.org> <20180727172035.GA13586@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180727172035.GA13586@linux.intel.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 27, 2018 at 11:20:35AM -0600, Ross Zwisler wrote: > Okay, the next failure I'm hitting is with DAX + XFS + generic/344. It > doesn't happen every time, but I can usually recreate it within 10 iterations > of the test. Here's the failure: Thanks. I've made some progress with this; the WARNing is coming from a vm_insert_* mkwrite call. Inserting sufficient debugging code has let me determine we still have a zero_pfn in the page table when we're trying to insert a new PFN.