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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 92F5ECA9EA1 for ; Fri, 18 Oct 2019 06:56:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66D9D205F4 for ; Fri, 18 Oct 2019 06:56:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="X+D2a2SD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2504371AbfJRG4X (ORCPT ); Fri, 18 Oct 2019 02:56:23 -0400 Received: from mail-il1-f195.google.com ([209.85.166.195]:45530 "EHLO mail-il1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2504354AbfJRG4W (ORCPT ); Fri, 18 Oct 2019 02:56:22 -0400 Received: by mail-il1-f195.google.com with SMTP id u1so4540781ilq.12 for ; Thu, 17 Oct 2019 23:56:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=6ezhLxysreTWLbeV3Ebu2jcuzTMqZsioc2qHz8h8rBY=; b=X+D2a2SDs8vW2TxAyRfeRdrD4bG5VaqNcKXD6PpZwibJoM56NWHyZFA+9aQ0qrDR7L afokFsWMoZzfROr6eFkYxQ7xvEDmI+tnxNFMtFqhTZm6MTT+jSsPPPzULCFwFvY+0/SR /68OAyBMXkow8O6zPowzLRpokk/GjByyCzuyHX69BhCbxyJqj1D9La0itxug06lpRfTb Y03GzK0FVkSEO5SR2NwsxhpGq4q25WzgW/iWSsHCZ4hPXr/YAdbbr5EIYRiXyXcW9N05 59XbTYQnjok8bgJV4OtrCZSqV2Q6QGOmsXqA8wfVAGnKFk9s3h8AYKAoyfBA0cTsaADS Vhig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=6ezhLxysreTWLbeV3Ebu2jcuzTMqZsioc2qHz8h8rBY=; b=TkxJzxd19PQX8Va0rLoi2kJ/HaEC/AXI0puoNZxdpPtVDXipXPZKk4rVHpKWFZcT4e JuuQuW9MIAdirJKBrKjtKv7fgPYitNpnWWDrI6tsF+sQ2ikkcws334+heW7WyENkFV51 bFGJN4RW+YJAFAjL/VCRC/IjJonJJ9mrc86wqLiz6+H+SumdIymHO/wd/RSKhPp17tH6 jZ1tZjtNNmGQxTbVEjffHiCeHC/HGhjju+2wHLjbrAXpOisBN8lWMJRDGuju06uYuTOe Ufi2pnm2ke+Fq9RhQl8askd17ffErWzaOJzwKfkYz416wYf+3DoQri9MkmzsJeCN2cjI oyrw== X-Gm-Message-State: APjAAAVkOAuoQVFCsXFF0Y7NuzbG+kjrw2Ug0NT8+RQbeF/Z5sJMY6He 5X1CDoB9Wqg/64boHnRXK/RQTGwQ6u7ex9cOb6U= X-Google-Smtp-Source: APXvYqz9bmzTu9IdDKfRJLbYMS5YbtDNHxAS+4qiXNNbeNHXMV22FQtfZ9Ay+r+8w76dnGgvYxSRQoHZC9S8GY1WD2M= X-Received: by 2002:a92:98d8:: with SMTP id a85mr8248240ill.98.1571381781812; Thu, 17 Oct 2019 23:56:21 -0700 (PDT) MIME-Version: 1.0 References: <05dbae1d-05de-8360-5f3c-a698d4dc3226@cn.fujitsu.com> In-Reply-To: <05dbae1d-05de-8360-5f3c-a698d4dc3226@cn.fujitsu.com> From: Prabhakar Kushwaha Date: Fri, 18 Oct 2019 12:26:11 +0530 Message-ID: Subject: Re: [Bug report] "make run_tests -C bpf" hanging forever To: Liu Yiding Cc: Kees Cook , linux-kselftest@vger.kernel.org, Shuah Khan , Philip Li Content-Type: text/plain; charset="UTF-8" Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On Fri, Oct 18, 2019 at 12:12 PM Liu Yiding wrote: > > 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). > > Yes, i also faced this issue on Linux-5.3. if i kill prefix.pl or add timeout in prefix.pl, test move ahead. somehow this issue is not present on Linux 5.4-rc3+. It could be by chance and may show on any other version. --prabhakar (pk)