X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Mon, 04 Feb 2008 18:20:03 -0800 From: Jerry DeLisle Subject: Re: Memory leak problem reported with gfortran In-reply-to: <02fa01c86795$48d202d0$2e08a8c0@CAM.ARTIMI.COM> To: cygwin@cygwin.com Message-id: <47A7C7D3.9080302@verizon.net> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit References: <47A614EC.1010104@verizon.net> <20080204103512.GA5866@calimero.vinschen.de> <47A782C7.3060501@verizon.net> <20080204222455.GA3058@ednor.casa.cgf.cx> <02fa01c86795$48d202d0$2e08a8c0@CAM.ARTIMI.COM> User-Agent: Thunderbird 2.0.0.9 (X11/20071115) X-IsSubscribed: yes 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 Dave Korn wrote: > On 04 February 2008 22:25, 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. >> >> Also, in case it isn't clear, Cygwin malloc is just Doug Lea's version >> of malloc v2.8.3 with very few changes. >> >> cgf > > Since I'm currently building gcc4 to check out some autogen-vs-fixinc > changes, I'll build fortran as well and take a look at the testcase too. I'd > guess that's it's probably a libgfortran problem, since it affects both cygwin > *and* mingw, but I'll take a look at it under a debugger and see if I can > help. > Thanks Dave, I think it is in libgfortran as well. I am still hunting. I believe it is specific to internal units. In other words, writing to a character string. I eliminated all other IO operations from the test case and it fails on some sort of memory allocation. Jerry -- 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/