X-Spam-Check-By: sourceware.org Date: Fri, 19 May 2006 22:06:37 -0400 From: Christopher Faylor To: cygwin AT cygwin DOT com Subject: Re: cygwin1-20060519: proc_waiter: unknown value * on proc pipe Message-ID: <20060520020637.GA5047@trixie.casa.cgf.cx> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.11 Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk 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, May 19, 2006 at 10:01:27PM -0400, Igor Peshansky wrote: >Hi, > >Found a weird problem with the latest CVS (a regression from end February, >but I can track it down further, too, if the testcase doesn't help). >Compiling the following program: > >#include >int main() { printf("1\n"); exit(-1); } > >with "gcc -mno-cygwin" and running it produces the following output: > >1 >979250836 [proc_waiter] bash 5028 proc_waiter: unknown value 49 on proc pipe >979250894 [proc_waiter] bash 5028 proc_waiter: unknown value 13 on proc pipe >979250920 [proc_waiter] bash 5028 proc_waiter: unknown value 10 on proc pipe >979264978 [proc_waiter] bash 5028 proc_waiter: unknown value 49 on proc pipe >979265034 [proc_waiter] bash 5028 proc_waiter: unknown value 13 on proc pipe >979267613 [proc_waiter] bash 5028 proc_waiter: unknown value 10 on proc pipe >979278806 [proc_waiter] bash 5028 proc_waiter: unknown value 49 on proc pipe >979278860 [proc_waiter] bash 5028 proc_waiter: unknown value 13 on proc pipe >979278886 [proc_waiter] bash 5028 proc_waiter: unknown value 10 on proc pipe >979289509 [proc_waiter] bash 5028 proc_waiter: unknown value 49 on proc pipe >979289568 [proc_waiter] bash 5028 proc_waiter: unknown value 13 on proc pipe >979289595 [proc_waiter] bash 5028 proc_waiter: unknown value 10 on proc pipe >979300049 [proc_waiter] bash 5028 proc_waiter: unknown value 49 on proc pipe >979300106 [proc_waiter] bash 5028 proc_waiter: unknown value 13 on proc pipe >979300411 [proc_waiter] bash 5028 proc_waiter: unknown value 10 on proc pipe > >but (!) only in an xterm. Try as I might, I couldn't reproduce this in >rxvt or bash with CYGWIN=tty. I don't know what the differences are, but >there it is. I did reproduce this in an xterm running tcsh and pdksh (and >a perl shell, interestingly enough). The above testcase was distilled >from a huge Java program that exhibited this behavior. > >Note that 49 is really the character '1', and 13 and 10 are CRLF. I've >also gotten other characters at times, all corresponding to valid messages >from the program, printed to either stdout or stderr. The number of times >it repeats also seems to vary -- in some cases it's only once, in others >more (it's repeated 5 times above). I can't duplicate this but, I'm not really interested in this kind of problem unless you can duplicate the problem with a cygwin snapshot. Otherwise, there is no way of knowing how you've built the DLL or what other local mods might be in it. 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/