X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Message-ID: <4AD8B90B.4040507@gmail.com> Date: Fri, 16 Oct 2009 19:18:51 +0100 From: Dave Korn User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: fork failure? References: <4AD732C7 DOT 4020301 AT cwilson DOT fastmail DOT fm> <4AD73B83 DOT 9060505 AT gmail DOT com> <4AD74586 DOT 8070803 AT cwilson DOT fastmail DOT fm> <4AD752C8 DOT 2040908 AT gmail DOT com> <4AD7B135 DOT 6020401 AT cwilson DOT fastmail DOT fm> <4AD8220D DOT 8000908 AT cwilson DOT fastmail DOT fm> <4AD8AD47 DOT 6010605 AT cwilson DOT fastmail DOT fm> In-Reply-To: <4AD8AD47.6010605@cwilson.fastmail.fm> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: 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 Charles Wilson wrote: > Charles Wilson wrote: >> Which appears ok, as far as it goes. 'Course, something dies eventually >> because I never do get to gpg-agent's "exec()" of pinvoke, after that fork. > > Well, bad news. In the kernel, the child gets right up to the return > statement in fork(), returning 0. But it never reaches the line after > the call to fork() in the user code. > > Help? Trashed stack? > I note that procmon indicates that the child process exited with code > -1073741783, which in hex is 0xc0000029. If that's an NTSTATUS value, > then it means STATUS_INVALID_UNWIND_TARGET, but that might be a red herring. Trashed stack during SEH unwind? Might be able to get some useful info by running this under windbg and intercepting the exception; even just an $eip to tell you where it's coming from might be all the clue you needed. cheers, DaveK -- 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