X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; q=dns; s= default; b=RaLcZWSylGrNzd9uKpUIeCFrfiDb4vX4wj5wc1Vck/n4AtJ2dQCVm 2ktdD8fyYrPAe/RMsiEfYgERXRPDE20YRI+ehq+EaNLvjpTFPR7wJcy4nq3TnwS6 8lbz9lULrFtxsA+u9Z7+z68vvzmxxPzaYxZRPsJE2p6blv802zn5vY= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; s=default; bh=8OyycqCZsyLAvreaxDlFPZYmyTQ=; b=kfJ4gPZ/giQ3NdZYrGoh13XHRPM/ AiTle3oQO+u00fhGVetHy7yuEVNmEykKybi+0ZDDpgtn63DTxFpuxKaXqt3fMLwi wGuRsPfBsFs7GmIh68qXhPgxIiKicX+H1/ce7shcYlXs9S0Xp3s4OH+85/PTD8CA 2CDzJ89Pge/73BY= 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 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=2.2 required=5.0 tests=AWL,BAYES_00,FSL_HELO_NON_FQDN_1,HELO_LOCALHOST,RCVD_IN_PBL,RCVD_IN_RP_RNBL,RCVD_IN_SORBS_DUL,RP_MATCHES_RCVD autolearn=no version=3.3.2 X-HELO: mho-01-ewr.mailhop.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: U2FsdGVkX181k7bhnH0Rryf2uaGgSRVH Date: Sat, 31 Aug 2013 13:28:29 -0400 From: Christopher Faylor To: cygwin AT cygwin DOT com Subject: Re: 20130830, size of shared memory region changed Message-ID: <20130831172829.GA4786@ednor.casa.cgf.cx> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <6EEA8B83-0D67-46CD-8C60-D038BE5E3B97 AT Denis-Excoffier DOT org> <20130831162654 DOT GF21571 AT calimero DOT vinschen DOT de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130831162654.GF21571@calimero.vinschen.de> User-Agent: Mutt/1.5.20 (2009-06-14) On Sat, Aug 31, 2013 at 06:26:54PM +0200, Corinna Vinschen wrote: >On Aug 31 14:00, Denis Excoffier wrote: >> Hello, >> >> I'm using Cygwin 32 bits. With the 20130830 snapshot i now get many messages like: >> " x [main] y z shared_info::initialize: size of shared memory region changed from 27984 to 21776" >> >> where x, y and z vary, >> - x is typically a small integer (most often 2 or 3, but occurrences were observed of: 4, 5, 8, 27, even 311) >> - y is a program name (tcsh, echo, tr, grep, cut, cat, g++, factor...) >> - z is a PID >> >> The name "main" and the numbers 27984 and 21776 seem always present. >> >> It seems that each process initialization would generate a message. Otherwise, all seems OK. > >I can't reproduce this. The size of the shared_info changed with my >tape drive related checkin from 2013-08-26, but your error message >points to some older process still running, still using the previous >DLL. Since the shared_info region continues to exist, any newer process >using the new DLL will find that its idea of the sizeof shared_info >doesn't match what has been noted in shared_info itself. Nothing else >can explain this. > >What bugs me is that the change to the mtinfo structure (only the size >of some members were affected) apparently didn't change the value of >CURR_SHARED_MAGIC, but I don't think we can change this short-term. The magic recalculation is pretty crude. It only detects changes in shared_info itself, not in structures used by shared_info. 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