ubuntu-elisp team mailing list archive

[Kimikazu <kimikazu@xxxxxxxxx>]

** Description changed:

  This problem happened just after the upgrade to Ubuntu 13.04.
  
  When trying to open a file in a directory under control of Mercurial, i.e. a directory which has .hg directory, emacs stops in its staring process.
  When this symptom occurs, in the minibuffer, it says:
  Loading vc-hg...done
  
  And the following is dumped to stderr:
  (emacs:5305): GLib-WARNING **: GChildWatchSource: Exit status of a child process was requested but ECHILD was received by waitpid(). Most likely the process is ignoring SIGCHLD, or some other thread is invoking waitpid() with a nonpositive first argument; either behavior can break applications that use g_child_watch_add()/g_spawn_sync() either directly or indirectly.
  
  Even when opening an unregistered file in a Mercurial-controlled directory, the same symptom happens.
  It works when started alone (to open *scratch* buffer) and it's also OK to open a file not under control of Mercurial.
  
  Additional information after the first post:
-     - It gets fixed after uninstalling mercurial, and reproduces again after re-installing mercurial.
-     - It occurs even when there's no ~/.emacs or ~/.emacs.d/init.el
-     - It didn't reproduced on another PC. so it depends on the environments.
+     - It gets fixed after uninstalling mercurial, and reproduces again after re-installing mercurial.
+     - It occurs even when there's no ~/.emacs or ~/.emacs.d/init.el
+     - It didn't reproduced on another PC. so it depends on the environments.
+     - The same symptom reproduces in a git-controlled directory, so it seems to be a problem of vc-mode.
+     - WORKAROUND: Cancel vc-mode in .emacs file by "(setq vc-handled-backends ())" then it works.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: emacs24 24.2+1-2ubuntu2
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Thu May  2 10:50:18 2013
  InstallationDate: Installed on 2012-11-05 (177 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: emacs24
  UpgradeStatus: Upgraded to raring on 2013-05-02 (0 days ago)

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https://bugs.launchpad.net/bugs/1175422

Title:
  Cannot open a file in a directory  under control of Mecurial

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