X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.7 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,TW_YG X-Spam-Check-By: sourceware.org Received-SPF: pass (google.com: domain of marco DOT atzeri AT gmail DOT com designates 10.236.72.170 as permitted sender) client-ip=10.236.72.170; Authentication-Results: mr.google.com; spf=pass (google.com: domain of marco DOT atzeri AT gmail DOT com designates 10.236.72.170 as permitted sender) smtp.mail=marco DOT atzeri AT gmail DOT com; dkim=pass header.i=marco DOT atzeri AT gmail DOT com MIME-Version: 1.0 In-Reply-To: <20120301105139.GF2257@calimero.vinschen.de> References: <4F4E7CC8 DOT 9090804 AT cwilson DOT fastmail DOT fm> <20120301105139 DOT GF2257 AT calimero DOT vinschen DOT de> Date: Thu, 1 Mar 2012 11:59:42 +0100 Message-ID: Subject: Re: cygheap base mismatch detected From: marco atzeri To: cygwin AT cygwin DOT com Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes 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 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id q21B039i030393 On Thu, Mar 1, 2012 at 11:51 AM, Corinna Vinschen wrote: > On Feb 29 14:30, Charles Wilson wrote: >> I've been running into a strange "error" lately (that is, I first >> noticed it for sure on 1.7.10, but it MIGHT have occurred also on 1.7.9. >> It persists on 1.7.11). cygcheck -- and *only* cygcheck -- is reporting >> a cygheap base mismatch but only on an XP64 machine: >> >> $ cygcheck -cd cygwin >>       1 [main] cygcheck (3756) C:\cygwin\bin\cygcheck.exe: *** fatal >> error - cygheap base mismatch detected - 0x61270870/0x2170870. >> This problem is probably due to using incompatible versions of the >> cygwin DLL. >> Search for cygwin1.dll using the Windows Start->Find/Search facility >> and delete all but the most recent version.  The most recent version >> *should* >> reside in x:\cygwin\bin, where 'x' is the drive on which you have >> installed the cygwin distribution.  Rebooting is also suggested if you >> are unable to find another cygwin DLL. >> Cygwin Package Information >> Package              Version >> cygwin               1.7.11-1 >> >> (Note that cygcheck actually *does* complete the requested command, >> after the error message from (cygwin1.dll/dcrt0.cc?) is printed. > > Very strange.  For two reasons.  First of all, why is the mismatch > message printed at all?  The code in question is basically: > >  if (res->cygheap != (void *) &_cygheap_start) >    multiple_cygwin_problem (...); 0x61270870 != 0x2170870 > > But res->cygheap and &_cygheap_start are apparently identical, so why > is multiple_cygwin_problem called? > > And then multiple_cygwin_problem calls api_fatal to print the message > which means that ultimately TerminateProcess() is called. > > I tried that on my XP64 test machine and cygcheck worked fine. > > Could you do a parallel installation on the same machine and see how it > behaves there? > > > Corinna > -- 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