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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 2F1EFC4CEC4 for ; Mon, 23 Sep 2019 15:39:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04688207FD for ; Mon, 23 Sep 2019 15:39:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732243AbfIWPjN (ORCPT ); Mon, 23 Sep 2019 11:39:13 -0400 Received: from mx2.suse.de ([195.135.220.15]:56320 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727682AbfIWPjN (ORCPT ); Mon, 23 Sep 2019 11:39:13 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 66FE5AD72; Mon, 23 Sep 2019 15:39:11 +0000 (UTC) Date: Mon, 23 Sep 2019 17:39:08 +0200 From: Petr Vorel To: Richard Palethorpe Cc: ltp@lists.linux.it, Andy Lutomirski , lkp@01.org, LKML , Andy Lutomirski Subject: Re: [LTP] 12abeb544d: ltp.read_all_dev.fail Message-ID: <20190923153908.GA379@dell5510> Reply-To: Petr Vorel References: <20190923003846.GB15734@shao2-debian> <871rw7l9dv.fsf@rpws.prws.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <871rw7l9dv.fsf@rpws.prws.suse.cz> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, > > FYI, we noticed the following commit (built with gcc-7): > > commit: 12abeb544d548f55f56323fc6e5e6c0fb74f58e1 ("horrible test hack") > > https://kernel.googlesource.com/pub/scm/linux/kernel/git/luto/linux.git random/kill-it ... > > tst_test.c:1108: INFO: Timeout per run is 0h 05m 00s > > Test timeouted, sending SIGKILL! > > tst_test.c:1148: INFO: If you are running on slow machine, try exporting LTP_TIMEOUT_MUL > 1 > > tst_test.c:1149: BROK: Test killed! (timeout?) > So perhaps this is caused by reads of /dev/random hanging? > At any rate, > I suppose this is intended to deliberately break something, so we can > ignore it. Yep, I'd ignore it, [1] really looks like the commit description "horrible test hack" :) Kind regards, Petr [1] https://kernel.googlesource.com/pub/scm/linux/kernel/git/luto/linux.git/+/12abeb544d548f55f56323fc6e5e6c0fb74f58e1%5E%21/#F0