From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-2.7 required=3.0 tests=AWL,BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id E46461FADE for ; Tue, 12 Sep 2017 13:39:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751398AbdILNjs (ORCPT ); Tue, 12 Sep 2017 09:39:48 -0400 Received: from mout.gmx.net ([212.227.15.19]:59199 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751313AbdILNjs (ORCPT ); Tue, 12 Sep 2017 09:39:48 -0400 Received: from virtualbox ([37.201.203.107]) by mail.gmx.com (mrgmx001 [212.227.17.190]) with ESMTPSA (Nemesis) id 0M09BU-1db4TP49eO-00uKIV; Tue, 12 Sep 2017 15:39:40 +0200 Date: Tue, 12 Sep 2017 15:39:38 +0200 (CEST) From: Johannes Schindelin X-X-Sender: virtualbox@virtualbox To: Ramsay Jones cc: Adam Dinwoodie , Michael J Gruber , Junio C Hamano , GIT Mailing-list Subject: Re: Unexpected pass for t6120-describe.sh on cygwin In-Reply-To: <7c3db153-2a56-f27d-af71-e4b61f1252a1@ramsayjones.plus.com> Message-ID: References: <7c3db153-2a56-f27d-af71-e4b61f1252a1@ramsayjones.plus.com> User-Agent: Alpine 2.21.1 (DEB 209 2017-03-23) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Provags-ID: V03:K0:SeUGn+Dtzfn3UYX0GTmqumzSjUSIc98GF0Fzk236cmCY2GcmoG7 hNhP4c13gcFWyRYz+PPlQo3ECAvdIWctWehgd93ocaDVvYxD4CSU0WR4HJeNdRXAbc8Uapy /ZWf2X3Vwev3xcLW7mTOqNWULqIFzWcFz1mUlBSKKYHWnIRG5PRsk3/u1mPi+ePztsxsBBe ZE+jAjE1gASI+I/5zLAhw== X-UI-Out-Filterresults: notjunk:1;V01:K0:fS95vfM5HWw=:S9idZX0w0B76qsiCWkCW81 V79FNAQWm9d8xdGanBSVayz/QM/xK1V0cDwaX/lV0vxMnIurFXbKLw+2mUO47Y/yE1wbcZruH MQvLmA5Pbai11i5NLLGCSpA2opp5z3DamYQntqUhUYscGrIEtmgP4dWyR6sABWViz4kRgBm2T PUaa2lhxoeQTHQAAwYO6C8sL7KDlCWCJ8amnsv4xW6R1FTcOtJ7LjOOOEeIX2VJrQ6pLTBG0P FS0oCqdw+LUKpNnvEBXmaKvppFJYBcF8SdoCoz3GoqJ72zLGMMjZUW8D7Yg4AJyfo7xGqL8Pb PC4mSTt9XcplbWpugQrOGsJPgJfMox2cpVdU+mp76YbVbge8JyBrKAZcIeQhXG678JkV2o8Il em0Qw8uDrA75/uWKenv0f4o1ozMuqezpPwGTlzwFxtMwemGJsbgZO+0bb6A0kC5LH5YPAtrXH DoKPFEX9SFhFOxWPomMxdmVWtq/vK2oWt3IGvZNr3ke956SivthhFEJwe6+PgtM/BodBjj0TW CQAFgRTQc39i/fnTPXGURefvio+FyqZ+gRdzkoJjkmpnAXJzvR8XgdxoO6lJFC4pN1i/b9Nq/ ZQi/yacGZOYlAZH0ydRFLJzDKckUhGx/i9BKoMxr6ihsE4I6WTu37/FWijzN+9yUuEm8fmEU2 T0Wz182HOCIp7PQJxNKujEtZ4h3ruX1tZSvLx41FEmepgERFQsgnBmbt4bt+jdw4RmKaDolW8 BrgH9SkZix/1nXKqFM1x9R1DgFmE/JHrPEdE5O7j9efpGnhdBpaqnOqGmCIA58Jlkq/bWNNyQ jzxwj0RGJIPtE2N1NtYwQdBLAUT8Kfe5UgZOLZVzjhJWtq/5lQ= Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Hi Ramsay, On Sat, 9 Sep 2017, Ramsay Jones wrote: > I ran the test-suite on the 'pu' branch last night (simply because that > was what I had built at the time!), which resulted in a PASS, but t6120 > was showing a 'TODO passed' for #52. > > This is a test introduced by Michael's 'mg/name-rev-tests-with-short-stack' > branch, which uses 'ulimit -s' to try and force a stack overflow. > Unfortunately, 'ulimit -s' seems to have no effect on cygwin. I created > a test program (see below) to eat up the stack and tried running it with > various ulimit values (128, 12, 8), but it always seg-faulted at the > same stack-frame. (after using approx 2MB stack space). > > So, it looks like all ULIMIT_STACK_SIZE tests need to be disabled > on cygwin. I also wonder about the ULIMIT_FILE_DESCRIPTORS tests, but > haven't looked into it. > > Given that 'ulimit' is a bash built-in, this may also be a problem on > MinGW and Git-For-Windows, but I can't test on those platforms. It is. Thanks, Dscho