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bug#12647: 24.2.50; emacs --daemon broken in tty
From: |
Glenn Morris |
Subject: |
bug#12647: 24.2.50; emacs --daemon broken in tty |
Date: |
Tue, 16 Oct 2012 03:00:21 -0400 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Toby Cubitt wrote:
> "emacsclient -c" throws an error if "emacs --daemon" is started outside
> of X windows, . This is on a recent bzr checkout (from today).
>
> Steps to reproduce:
>
> 1. switch to a linux virtual tty
>
> 2. emacs -Q --daemon
>
> 3. switch to X windows
>
> 4. emacsclient -c aborts with the following error:
>
> Waiting for Emacs...
> *ERROR*: Wrong type argument: stringp, nil
This is due to the various changes related to display handling in
r110444 (cygw32). The specific error is from x-initialize-window-system,
which cannot find a display (don't ask me why getenv DISPLAY doesn't
work here). In the past, frame.el set x-display-name, but it does not do
that any more. Presumably it was doing it for a reason.
The following example frame.el change makes it work again, but someone
should check this area.
--- lisp/frame.el 2012-09-17 12:07:36 +0000
+++ lisp/frame.el 2012-10-16 06:54:40 +0000
@@ -655,6 +655,7 @@
(error "Don't know how to create a frame on window system %s" w))
(unless (get w 'window-system-initialized)
+ (or x-display-name (setq x-display-name display))
(funcall (cdr (assq w window-system-initialization-alist)))
(put w 'window-system-initialized t))
bug#12647: 24.2.50; emacs --daemon broken in tty, Ulrich Mueller, 2012/10/18