GNU bug report logs - #21504
(require 'tramp) stuck on testing `tramp-ssh-controlmaster-options'

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Package: emacs;

Reported by: 傅文辉 <ffffwh <at> icloud.com>

Date: Thu, 17 Sep 2015 04:57:03 UTC

Severity: normal

Merged with 20015

Found in version 25.0.50

Fixed in version 25.1

Done: Tassilo Horn <tsdh <at> gnu.org>

Bug is archived. No further changes may be made.

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From: 傅文辉 <ffffwh <at> icloud.com>
To: 21504 <at> debbugs.gnu.org
Subject: bug#21504: (require 'tramp) stuck on testing `tramp-ssh-controlmaster-options'
Date: Thu, 17 Sep 2015 10:26:12 +0800

Emacs 24.5.1, tramp 2.2.11-24.5

The following code stuck with some DNS settings

>>> file: tramp-loaddefs.el
(defvar tramp-ssh-controlmaster-options
  ...
  (call-process "ssh" nil t nil "-o" "ControlPath=%C" "host.does.not.exist")
  ...)
<<<

`ssh -o ControlPath=%C host.does.not.exist` stuck instead of going error quickly with DNS from my ISP (both home and workplace).
This bug report was last modified 9 years and 249 days ago.

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