From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 43BE1A0679 for ; Mon, 29 Apr 2019 20:28:39 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3CA8F3257; Mon, 29 Apr 2019 20:28:38 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id EC0962B84 for ; Mon, 29 Apr 2019 20:28:36 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 540763199366; Mon, 29 Apr 2019 18:28:36 +0000 (UTC) Received: from localhost.localdomain (unknown [10.18.25.8]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0D7965C239; Mon, 29 Apr 2019 18:28:35 +0000 (UTC) From: Michael Santana Francisco To: dev@dpdk.org References: <2e847465-48d3-4df7-6a2c-e9903d131219@redhat.com> Cc: anatoly.burakov@intel.com Organization: Red Hat Message-ID: <8fc82f3d-4ba5-d5e2-b931-f2e690093364@redhat.com> Date: Mon, 29 Apr 2019 14:28:35 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <2e847465-48d3-4df7-6a2c-e9903d131219@redhat.com> Content-Type: text/plain; charset="UTF-8"; format="flowed" Content-Transfer-Encoding: 8bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Mon, 29 Apr 2019 18:28:36 +0000 (UTC) Subject: Re: [dpdk-dev] Hugepages not being deleted X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: msantana@redhat.com List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Message-ID: <20190429182835.wBYkHORn1M82zW9s3TRy4ZzcIuy4kvbUvCq0gy3OPH4@z> ping > Hello, > > I am currently working on a patch to fix the eal_flags_autotest test > as it currently fails on many platforms. > I have made some progress, however I stumbled upon a possible issue > with EAL and hugepages. > Looking at the code and some documentation it appears to me that > hupepages are supposed to be automatically deleted on dynamic memory > mode as the dpdk process exits. > The test however reports that this is not happening. > > This can be shown by: > > bash# export DPDK_TEST=eal_flags_autotest > bash# ./build/app/test/dpdk-test > ... > Error - hugepage files for memtest1 were not deleted! > Error in test_file_prefix() > Test Failed > bash# ls /dev/hugepages/ #hugetlbfs is mounted on /dev/hugepages > memtest1map_0  memtest1map_1  memtest1map_2  memtest1map_3 > memtest1map_4  memtest1map_5  memtest1map_6  memtest1map_7 > memtest1map_8  rtemap_0 > > To me it appears that the hugepages are in fact not being deleted > correctly. > Is this an anomaly or is anyone else seeing this issue as well? > > Michael Santana > > > Note, if you are running on a system with less than 8 cores please see > patch > https://github.com/Maickii/dpdk-2/commit/7cfad856611e3ded4050f670ec11d1b2e17851d8.patch >