X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_YE X-Spam-Check-By: sourceware.org X-Mail-Handler: Dyn Standard SMTP by Dyn X-Report-Abuse-To: abuse AT dyndns DOT com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX19IixL8dT/oVlmhRSTvsoBc Date: Fri, 23 Nov 2012 08:46:28 -0500 From: Christopher Faylor To: cygwin AT cygwin DOT com Subject: Re: git fork failure on pull with a workaround (hopefully a clue for a fix) Message-ID: <20121123134628.GA32195@ednor.casa.cgf.cx> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <509AB02F DOT 1000300 AT kitware DOT com> <509AC4E0 DOT 2080709 AT bopp DOT net> <509BC18E DOT 1050905 AT kitware DOT com> <20121123114127 DOT GO17347 AT calimero DOT vinschen DOT de> <1429797465 DOT 20121123163258 AT mtu-net DOT ru> <20121123131123 DOT GS17347 AT calimero DOT vinschen DOT de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121123131123.GS17347@calimero.vinschen.de> User-Agent: Mutt/1.5.20 (2009-06-14) Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On Fri, Nov 23, 2012 at 02:11:23PM +0100, Corinna Vinschen wrote: >On Nov 23 16:32, Andrey Repin wrote: >> > I *think* this is an issue between Windows and Cygwin for which there's >> > no easy solution. The memory layout created by Windows can move the >> > main stack address in a child process depending on the size of the >> > environment. >> >> > I observed this myself, but didn't find a way to fix it. Maybe it's >> > related to the fact that Cygwin cleans out the Windows environment to a >> > bare minimum when forking. This obviously results in a changed env. >> >> Would it be meaningful to instrument this cause for easier tracking? > >I don't understand. Maybe it's an observation that we should somehow detect this in the forked child and give a clearer error message? cgf -- 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