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To:	cygwin AT cygwin DOT com
From:	Sebastien Vauban <sva-news AT mygooglest DOT com>
Subject:	Doing vfork: resource temporarily unavailable
Date:	Wed, 20 May 2015 12:08:53 +0200
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Hello,

When launching Cygwin Emacs 24.5 [1] with my standard `.emacs' file
(which I successfully use with Windows Emacs 24.5 and 25.0), I have
"Doing vfork: resource temporarily unavailable" errors.

I had to disable the following block of code to allow Cygwin Emacs to go
to the end of its startup:

--8<---------------cut here---------------start------------->8---
  (require 'server)
  (with-eval-after-load "server"

    ;; Test whether Emacs server is running.  If not, start it.
    (or (equal (server-running-p) t)
        (server-start))

    ;; Save file without confirmation before returning to the client.
    (defadvice server-edit (before save-buffer-if-needed activate)
      "Save current buffer before marking it as done."
      (when server-buffer-clients (save-buffer))))
--8<---------------cut here---------------end--------------->8---

Still, I do have errors popping up when further using Cygwin Emacs, such
as:

--8<---------------cut here---------------start------------->8---
dired-insert-directory: Doing vfork: resource temporarily unavailable
--8<---------------cut here---------------end--------------->8---

Any idea what's causing this?

Note that I see as well messages in the terminal:

--8<---------------cut here---------------start------------->8---
      1 [main] emacs-w32 235400 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x19E0000)
      2 [main] emacs-w32 235352 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x19E0000)
      1 [main] emacs-w32 234212 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1930000)
Failed to connect to socket /tmp/fam-Fabrice/fam-

(process:85276): GLib-GIO-WARNING **: FAMOpen failed, FAMErrno=3

      1 [main] emacs-w32 85364 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x19C0000)
      1 [main] emacs-w32 85692 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1900000)
      1 [main] emacs-w32 85664 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1950000)
      2 [main] emacs-w32 85376 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1950000)
      1 [main] emacs-w32 235660 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1950000)
      2 [main] emacs-w32 235608 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1920000)
      1 [main] emacs-w32 85752 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1910000)
      1 [main] emacs-w32 236016 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1970000)
      1 [main] emacs-w32 236008 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x19C0000)
      1 [main] emacs-w32 235996 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x19F0000)
      2 [main] emacs-w32 236100 child_info_fork::abort: C:\cygwin\bin\cyggs-9.dll: Loaded to different address: parent(0x1710000) != child(0x1980000)
--8<---------------cut here---------------end--------------->8---

Best regards,
  Seb

[1] GNU Emacs 24.5.1 (i686-pc-cygwin) of 2015-04-10 on desktop-new.

-- 
Sebastien Vauban


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