X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Wed, 6 Feb 2008 10:21:54 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: Memory leak problem reported with gfortran Message-ID: <20080206092154.GP5866@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <47A614EC.1010104@verizon.net> <20080204103512.GA5866@calimero.vinschen.de> <47A782C7.3060501@verizon.net> <20080204222455.GA3058@ednor.casa.cgf.cx> <20080205103104.GK5866@calimero.vinschen.de> <47A90C18.1070709@verizon.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47A90C18.1070709@verizon.net> User-Agent: Mutt/1.5.16 (2007-06-09) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 On Feb 5 17:23, Jerry DeLisle wrote: > Corinna Vinschen wrote: >> On Feb 4 17:24, Christopher Faylor wrote: >>> On Mon, Feb 04, 2008 at 01:25:27PM -0800, Jerry DeLisle wrote: >>>> The test also appears very clean on Linux. The gfortran library is >>>> implemented in C. I need to examine some dumps from the compiler and I >>>> will get back with you off list if I don't spot the problem. >>> I am fairly certain that Corinna would want to keep any correspondence >>> on-list. >> Yup, that's right. > > OK, we have isolated the problem now. Confirming its in the libgfortran. > The reason we did not see it on Linux is because we just did not run out of > memory yet and when the test program completes, it does actually free what > was allocated. We are failing to reuse an already allocated block so we > were allocating a new one for every single WRITE to the string. > > Thanks for all your help. Thanks for letting us know. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- 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/