From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: poffice@blade.nagaokaut.ac.jp Delivered-To: poffice@blade.nagaokaut.ac.jp Received: from kankan.nagaokaut.ac.jp (kankan.nagaokaut.ac.jp [133.44.2.24]) by blade.nagaokaut.ac.jp (Postfix) with ESMTP id 29ECB17D7AED for ; Wed, 22 Jul 2015 09:28:26 +0900 (JST) Received: from funfun.nagaokaut.ac.jp (funfun.nagaokaut.ac.jp [133.44.2.201]) by kankan.nagaokaut.ac.jp (Postfix) with ESMTP id E4775B5D8FE for ; Wed, 22 Jul 2015 09:58:24 +0900 (JST) Received: from funfun.nagaokaut.ac.jp (localhost.nagaokaut.ac.jp [127.0.0.1]) by funfun.nagaokaut.ac.jp (Postfix) with ESMTP id F18A897A83D for ; Wed, 22 Jul 2015 09:58:25 +0900 (JST) X-Virus-Scanned: amavisd-new at nagaokaut.ac.jp Authentication-Results: funfun.nagaokaut.ac.jp (amavisd-new); dkim=fail (1024-bit key) reason="fail (message has been altered)" header.d=sendgrid.me Received: from funfun.nagaokaut.ac.jp ([127.0.0.1]) by funfun.nagaokaut.ac.jp (funfun.nagaokaut.ac.jp [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yUyB3y-kFfAZ for ; Wed, 22 Jul 2015 09:58:25 +0900 (JST) Received: from voscc.nagaokaut.ac.jp (voscc.nagaokaut.ac.jp [133.44.1.100]) by funfun.nagaokaut.ac.jp (Postfix) with ESMTP id 5CA8A97A827 for ; Wed, 22 Jul 2015 09:58:25 +0900 (JST) Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75]) by voscc.nagaokaut.ac.jp (Postfix) with ESMTP id 266F1952439 for ; Wed, 22 Jul 2015 09:58:23 +0900 (JST) Received: from [221.186.184.76] (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id 3C43E12044D; Wed, 22 Jul 2015 09:58:22 +0900 (JST) X-Original-To: ruby-core@ruby-lang.org Delivered-To: ruby-core@ruby-lang.org Received: from o10.shared.sendgrid.net (o10.shared.sendgrid.net [173.193.132.135]) by neon.ruby-lang.org (Postfix) with ESMTPS id AEDD2120440 for ; Wed, 22 Jul 2015 09:58:18 +0900 (JST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sendgrid.me; h=from:to:references:subject:mime-version:content-type:content-transfer-encoding:list-id; s=smtpapi; bh=dO4VLXI65nlAh8PIcOO29f+i/LY=; b=AjSCSJWGLIyYR2qhBb Iz1lqiznbnt80qvPrDXrGsW4M9yZVIscfxhkKf/SJFshNA0pBzq6N2jvAhdtOhyR XrqT11A4DA9tDjWMAOInmtr6S1lbTSvLZ9tbTUdQvPSlKBaFSkf8SRehg14HEpxB uzxF9BS+qVVNj4fULvu2KvT7w= Received: by filter0463p1mdw1.sendgrid.net with SMTP id filter0463p1mdw1.6951.55AEEAA619 2015-07-22 00:58:15.207912421 +0000 UTC Received: from herokuapp.com (ec2-54-144-102-82.compute-1.amazonaws.com [54.144.102.82]) by ismtpd-028 (SG) with ESMTP id 14eb3449d12.2cfe.3b42e for ; Wed, 22 Jul 2015 00:58:15 +0000 (UTC) Date: Wed, 22 Jul 2015 00:58:15 +0000 From: normalperson@yhbt.net To: ruby-core@ruby-lang.org Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Redmine-MailingListIntegration-Message-Ids: 44688 X-Redmine-Project: ruby-trunk X-Redmine-Issue-Id: 11384 X-Redmine-Issue-Author: normalperson X-Redmine-Sender: normalperson X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: All Auto-Submitted: auto-generated X-SG-EID: ync6xU2WACa70kv/Ymy4QrNMhiuLXJG8OTL2vJD1yS4aC0ct2DGMLA0x/1PE9Fhmpxfybjg1tfXKgX gtagM0DXhTNF9cd0aC04Jkpa3/ghoZmJd4eldggMGHWIwCjRUY4IM7dsPMukMPyK+7UM7vreveYLhD +1fY8468kZcrz+3ogwX2eA0CPpPAHA5mQtmT X-ML-Name: ruby-core X-Mail-Count: 70075 Subject: [ruby-core:70075] [Ruby trunk - Bug #11384] [Open] multi-threaded autoload sometimes fails X-BeenThere: ruby-core@ruby-lang.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Ruby developers List-Id: Ruby developers List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: ruby-core-bounces@ruby-lang.org Sender: "ruby-core" Issue #11384 has been reported by Eric Wong. ---------------------------------------- Bug #11384: multi-threaded autoload sometimes fails https://bugs.ruby-lang.org/issues/11384 * Author: Eric Wong * Status: Open * Priority: Normal * Assignee: * ruby -v: trunk r51319 * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN ---------------------------------------- ~~~ I get this failure once in a blue moon: #8 test_autoload.rb:46:in `': open("zzz.rb", "w") {|f| f.puts "class ZZZ; def self.ok;:ok;end;end"} autoload :ZZZ, "./zzz.rb" t1 = Thread.new {ZZZ.ok} t2 = Thread.new {ZZZ.ok} [t1.value, t2.value].join #=> "" (expected "okok") stderr output is not empty bootstraptest.tmp.rb:5:in `block in
': uninitialized constant ZZZ (Name +Error) test_autoload.rb FAIL 1/8 FAIL 1/1010 tests failed It is a very rare failure, I extracted it into a standalone script and it took over 500,000 runs to hit it: unless test(?e, "zzz.rb") open("zzz.rb", "w") {|f| f.puts "class ZZZ; def self.ok;:ok;end;end"} end autoload :ZZZ, "./zzz.rb" t1 = Thread.new {ZZZ.ok} t2 = Thread.new {ZZZ.ok} [t1.value, t2.value].join ~~~ I'll work on this when I find time, but maybe somebody else can look at it sooner. I'm not sure if it affects older versions. -- https://bugs.ruby-lang.org/