X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Message-ID: <47B0CCD5.30403@kleckner.net> Date: Mon, 11 Feb 2008 14:31:49 -0800 From: Jim Kleckner Reply-To: cygwin@cygwin.com User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: Threading issue in cygwin python 2.5.1-2 ? References: <46D8A577.1060908@kleckner.net> <46DF52B8.7000509@kleckner.net> <46DF9CAD.6000503@kleckner.net> <46E01E3C.7000506@cygwin.com> <46E02134.3030400@kleckner.net> <46E03EFD.3040806@kleckner.net> <46E04E85.59E9E910@dessent.net> <479A9A8F.9090106@kleckner.net> <009001c860e9$dd4a0000$2e08a8c0@CAM.ARTIMI.COM> <479CEC96.1090607@kleckner.net> In-Reply-To: <479CEC96.1090607@kleckner.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Jim Kleckner wrote: > Dave Korn wrote: >> On 26 January 2008 02:27, Jim Kleckner wrote: >> >> ... >> The two testcases I found in those threads (attached) both WJFFM under >> cygwin 1.5.25-7 but fail under 1.5.23-2. If you can reproduce that >> and your >> program still fails, it's probably a different issue. >> > > Thanks for giving that a try, Dave. > > I restored 1.5.25-7 and confirmed that test_wait4 succeeds standalone. > Note that the test_wait4 test fails when run with: > python testall.py >& testall.out > Note that it does make a difference if output is redirected. > If you type: > python testall.py > then it hangs at the point of testing threads: > *** Changing thread stack size *** > caught expected ValueError setting stack_size(4096) > successfully set stack_size(262144) > successfully set stack_size(1048576) > successfully set stack_size(0) > trying stack_size = 262144 > creating task 1 > > Note the message from the test output that "verbose mode" > can influence the results: > CAUTION: stdout isn't compared in verbose mode: > a test that passes in verbose mode may fail without it. > > I would be curious if you also can reproduce this behavior. Would someone mind trying the following to see if you get the same behavior? cd /usr/lib/python2.5/test python testall.py Observe that it hangs at "creating task 1". And (using bash): cd /usr/lib/python2.5/test python testall.py >& testall.out and observe that test_wait4 fails. ... Thanks - Jim -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/