GNU bug report logs - #15683
[critical] ERROR: ... close-pipe: pipe not in table

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: David Pirotte <david <at> altosw.be>
Subject: bug#15683: closed (Re: bug#15683: [critical] ERROR: ...
 close-pipe: pipe not in table)
Date: Sat, 23 Nov 2013 23:09:02 +0000

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Your bug report

#15683: [critical] ERROR: ... close-pipe: pipe not in table

which was filed against the guile package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 15683 <at> debbugs.gnu.org.

-- 
15683: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15683
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Mark H Weaver <mhw <at> netris.org>
To: David Pirotte <david <at> altosw.be>
Cc: 15683-done <at> debbugs.gnu.org
Subject: Re: bug#15683: [critical] ERROR: ... close-pipe: pipe not in table
Date: Sat, 23 Nov 2013 18:07:56 -0500

Hi David,

David Pirotte <david <at> altosw.be> writes:
> I am facing a bug that only occurs on extremely powerful servers:
>
> 	in ice-9/popen.scm:
> 	 106: 1 [close-pipe #<input: #{read pipe}# 69>]
> 	In unknown file:
> 	 ?: 0 [scm-error misc-error #f "~A" ("close-pipe: pipe not in table") #f]

This bug should now be fixed on the stable-2.0 branch, which will become
Guile 2.0.10.

  http://git.savannah.gnu.org/cgit/guile.git/commit/?h=stable-2.0&id=e7bd20f7d9b2110fdc0fa25db5a2bfe6b2214923

I'm closing this bug now.

     Thanks!
       Mark

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From: David Pirotte <david <at> altosw.be>
To: <bug-guile <at> gnu.org>
Subject: [critical] ERROR: ... close-pipe: pipe not in table
Date: Tue, 22 Oct 2013 14:24:43 -0200

Hello guilers,

	GNU Guile 2.0.9.20-10454

[cfr irc chat of October the 17th, 2013]

I am facing a bug that only occurs on extremely powerful servers:

	in ice-9/popen.scm:
	 106: 1 [close-pipe #<input: #{read pipe}# 69>]
	In unknown file:
	 ?: 0 [scm-error misc-error #f "~A" ("close-pipe: pipe not in table") #f]

I can not reproduce the bug on my personal computer [i5, 4 cores], neither on the
lab most powerful server we have [i7 12 cores], but on this customer's server [2
Xeons E5-2687W, 32 cores total], the bug is not random anymore, it _always_ raises, 
which is critical to us.

Thank you for debugging this asap,
Cheers,
David

in case it might help, here is an extract of the code that raises the error.  in this code,
rg-ergbd1 is an octave [heavy] script [that will be called between 1000 to 62000 depending on
other factors...]

...

(define (ergbd path im-name im-type seeds-dir im-ones x y threshold connectivity mutex log-port)
  (with-mutex mutex ;; (write-log-filename (format #f "(~A, ~A) " x y) log-port)
	      (write-log "." log-port))
  (let* ((cmd (format #f "rg-ergbd1 ~A ~A ~A ~A ~A ~A ~A ~A ~A" path im-name im-type seeds-dir im-ones x y threshold connectivity))
	 (s (open-input-pipe cmd))
	 (results (read-line s)))
    (unless (zero? (status:exit-val (close-pipe s)))
      (error "subprocess returned non-zero result code" cmd))
    results))
...
...
	...
	(par-map (lambda (coord)
	       (ergbd target-dir im-cpol-norm-name im-type seeds-dir im-ones (car coord) (cdr coord) threshold connectivity mutex log-port))
	  coords)
	...

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