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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 995F0CA9EA1 for ; Fri, 18 Oct 2019 06:42:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7431A20820 for ; Fri, 18 Oct 2019 06:42:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393476AbfJRGmD (ORCPT ); Fri, 18 Oct 2019 02:42:03 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:54879 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730508AbfJRGmC (ORCPT ); Fri, 18 Oct 2019 02:42:02 -0400 X-IronPort-AV: E=Sophos;i="5.67,310,1566835200"; d="scan'208";a="77146353" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 18 Oct 2019 14:42:01 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (unknown [10.167.33.85]) by cn.fujitsu.com (Postfix) with ESMTP id E3E3A4CE1503; Fri, 18 Oct 2019 14:41:33 +0800 (CST) Received: from localhost.localdomain (10.167.226.81) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 18 Oct 2019 14:41:56 +0800 Subject: Re: [Bug report] "make run_tests -C bpf" hanging forever From: Liu Yiding To: Kees Cook CC: , Prabhakar Kushwaha , Shuah Khan , Philip Li References: Message-ID: <05dbae1d-05de-8360-5f3c-a698d4dc3226@cn.fujitsu.com> Date: Fri, 18 Oct 2019 14:41:57 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-yoursite-MailScanner-ID: E3E3A4CE1503.ABBA2 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: liuyd.fnst@cn.fujitsu.com Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org CC LKP mainter On 10/18/19 2:32 PM, Liu Yiding wrote: > Hi All. > > The patch 5c069b6dedef "selftests: Move test output to diagnostic > lines" from Apr 24, 2019, > > leads to `make run_tests -C bpf` hanging forever. > > > Bpf includes many subtest, when cmd `make run_tests -C bpf` runs to > test_lwt_seg6local.sh, task will hang and runner.sh never run next > task. I checked ps aux, prefix.pl will never exit. > > ``` > > 91058 [  811.451584] # [25] VAR __license type_id=24 linkage=1 > 91059 [  811.451586]- > 91060 [  811.455365] # [26] DATASEC license size=0 vlen=1 size == 0 > 91061 [  811.455367]- > 91062 [  811.457424] #- > 91063 [  811.457425]- > 91064 [  811.460912] # selftests: test_lwt_seg6local [PASS] > 91065 [  811.460914]- > 91066 [ 3620.461986] Thu Oct 17 14:54:05 CST 2019 detected soft_timeout > > ``` > > Ignore test_lwt_seg6local and run `make run_tests -C bpf` again, task > will hang on test_tc_tunnel.sh. > > > Kushwaha also meet this issue, `make run_tests -C bpf` hang on > test_lwt_ip_encap.sh (This test failed on my localhost). > -- Best regards. Liu Yiding