Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm 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 Date: Thu, 21 Apr 2005 20:01:14 -0400 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: 1.5.15: multiple simultaneous processes can fail to start Message-ID: <20050422000114.GE6431@trixie.casa.cgf.cx> Reply-To: cygwin@cygwin.com References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.8i On Thu, Apr 21, 2005 at 01:50:44PM -0700, Usman Muzaffar wrote: >Hello. We seem to be having difficulty when two Cygwin processes are >started simultaneously (or in close succession) on multiprocessor >Windows 2003 systems. The problem manifests as this error: > > c:\cygwin\bin\which.exe (3824): *** system shared memory version >mismatch > detected - 0x0/0x75BE007F. > 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. Looking at the code I can't see any way that this error could ever occur but, then, the code that produced this error was actually wrong. I just checked in a minor rewrite around this error message. I don't know if it will fix this problem or not. I couldn't duplicate your problem here, FWIW. This will be in the next cygwin snapshot: http://cygwin.com/snapshots/ . cgf -- 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/