From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 60268 invoked by alias); 5 Feb 2020 22:07:46 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 60260 invoked by uid 89); 5 Feb 2020 22:07:46 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-8.0 required=5.0 tests=AWL,BAYES_00,MSGID_FROM_MTA_HEADER,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.1 spammy=Tychsen, tychsen, H*MI:sk:9ed4b07, H*r:404 X-HELO: NAM11-CO1-obe.outbound.protection.outlook.com Received: from mail-co1nam11on2111.outbound.protection.outlook.com (HELO NAM11-CO1-obe.outbound.protection.outlook.com) (40.107.220.111) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 05 Feb 2020 22:07:43 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=noOeQdjAh/0Qn9XVhWSo9gUJlQ85H4pFvjvHxBvSIX8bs9+J/FDoI20Tz1lIe3HlcVTOXCsikzX+1TFKhWlDdHKHO6iCphIC9v8U3tOvZlTvwJcxsXx67d2ZHP78EqUkKDgtqBLA/+hzy23AwGD88YKx6u8OfiVeyWgg92/szlE3uP24177hYXBPCMTDIS1xlHFw1xrzbYj8pNH6CCRp/r1YmJlKhJ0BKX5Dli/nLoP0Ybljbr7593j0oz4FZOlcWlwS9AUZu92T4w4nPyBOefJQzLCJRRz2YOy7NBOnRS7MBWpjpZ21/Klwcd/6JIo37+PyjuWWLoqbThYmTyLBxA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=e6PTDqAIVDAwTfmtIy/PgFwhlO3vtapkZn0nEdm4oxU=; b=YCmBDCDku4wHJbO8V9UUkrBChPmO/+57AmgioUKXjYxVui51zwzedYHTE1ybqEvU8blXm16BR5WGXvuUjsvxFt63IxoW46hX5Fhi7cg5/3PYvn4gC4SVBKsJ21FGtDKWx3gNjtYfmLcJwUt1W1VhgYL04g59RUxJsg7TkjjjiyO/HbH88YLsuLEwWyRi7lpAL/Wa7+MuEjkBirAE/wphHN1RtI4jeEUbiFL74VpPrnKR78v3EdIjiabyMVBYmEDVM2Q66h5cCyKCLO0XYGD3Ut/ULN13G2bsVi7ngvh3D2OvCNg1N+eTXFWbxDEXRqnrMwIowFLAM0Vh5zIu6AygLw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cornell.edu; dmarc=pass action=none header.from=cornell.edu; dkim=pass header.d=cornell.edu; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cornell.edu; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=e6PTDqAIVDAwTfmtIy/PgFwhlO3vtapkZn0nEdm4oxU=; b=Zic8w0tGp3QhYrbdOwhei8nWWmG+wbyA50lRWXboGMfGLmLX7pU45iA19Ed2mqqccHc9aSLb5FGX8nIArl4QIaUh2egmYvBcT//X/8BFlGye6O2ZjvLgKkDcbcVb1nxi8+laStCwEpMf5I8eduO3ZrUrAbabOdOPLeTJAWzQIU8= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=kbrown@cornell.edu; Received: from DM6PR04MB5738.namprd04.prod.outlook.com (20.179.51.81) by DM6PR04MB3834.namprd04.prod.outlook.com (20.176.89.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2707.21; Wed, 5 Feb 2020 22:07:40 +0000 Received: from DM6PR04MB5738.namprd04.prod.outlook.com ([fe80::cc3:c238:852e:5831]) by DM6PR04MB5738.namprd04.prod.outlook.com ([fe80::cc3:c238:852e:5831%7]) with mapi id 15.20.2686.034; Wed, 5 Feb 2020 22:07:40 +0000 Subject: Re: fork: Resource temporarily unavailable errors after upgrading cygwin packages To: cygwin@cygwin.com References: <6d43c714-c4ba-4f0c-9913-cb8453129c85@gmail.com> <93562f34-3a14-0c10-cb57-1ae861307d82@gmail.com> <810b0c97ee0697c06bdaa4dff4081bb502bc46ab.camel@dontech.dk> <9ed4b0776323e4a0f62191121715d52a0429bdb2.camel@dontech.dk> From: Ken Brown Message-ID: Date: Wed, 05 Feb 2020 22:07:00 -0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 In-Reply-To: <9ed4b0776323e4a0f62191121715d52a0429bdb2.camel@dontech.dk> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-Path: kbrown@cornell.edu MIME-Version: 1.0 Received: from [10.13.22.8] (65.112.130.194) by BN6PR04CA0087.namprd04.prod.outlook.com (2603:10b6:404:c9::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2707.21 via Frontend Transport; Wed, 5 Feb 2020 22:07:39 +0000 X-MS-Oob-TLC-OOBClassifiers: OLM:9508; Received-SPF: None (protection.outlook.com: cornell.edu does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-MessageData: G5CMBK5jwxJto0sH49uUjllyuCy64PbnBbJiQDHobgqXxG7czEAvNgbBpb8ouT7WbLdJqmpgrsBY9rshxRDUmtzAL7KtLfoH86LxkxWRz69Z70VpRbKJ3fuaW6GqyZ++K2jIN55ZIy/jYVgS6XfQ0g== X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 80otJiMkDLLU9NPM3ij0tCvOaHQQhsMWgsAqVyjVS5hSxEl+w7tkBMiTKeu36/BUCh1RQ1eVgLBrYMJiGf6pVQ== X-IsSubscribed: yes X-SW-Source: 2020-02/txt/msg00035.txt.bz2 On 2/5/2020 4:45 PM, Peter Dons Tychsen wrote: > Hi David & Co, > >> I have started down the road of building cygwin, but did run into a >> few issues so don't have a debuggable version yet. If you beat me to >> it, please let me know. Thanks! > > Any findings? > > I have found something interesting: > > 1) If i run the terminal without mintty, the problem goes away. I can > run my makefiles with "make -j20" without any issues if i start with > "bash --login" instead of the mintty shortcut, where it just uses the > normal windows terminal. > > 2) As soon as i run via mintty, even "make -j2" quickly goes south, > causes various fork() issues as we have seen. I will see if i can > create a small makefile that shows this. > > So either the change we are looking for affects mintty, or the actual > bug we are looking for is in mintty and not the DLL (or both). > > Can anyone shed light on this? Another problem is that if i rewind the > DLL (building previous commits) too much then mintty stops working... That last issue is probably due to changes in /usr/bin/cygwin-console-helper.exe related to the new PTY code. So in addition to rewinding the DLL, you have to rewind cygwin-console-helper. Ken -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple