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Date: Thu, 25 Mar 1999 15:02:05 +1000
From: Peter Jeremy <jeremyp@gsmx07.alcatel.com.au>
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Subject: ports/10783: ELF emacs 19.34 hangs under X windows
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>Number:         10783
>Category:       ports
>Synopsis:       ELF emacs 19.34 hangs under X windows
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-ports
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Mar 24 21:10:00 PST 1999
>Closed-Date:
>Last-Modified:
>Originator:     Peter Jeremy
>Release:        FreeBSD 4.0-CURRENT i386
>Organization:
Alcatel Australia Limited
>Environment:

	-current from about two weeks ago, the latest emacs 19.34b
	and XFree86 ports.  (The emacs port includes the patch
	mentioned in ports/10782).

>Description:

	When an ELF emacs is started as an X11 client, emacs opens a
	window and then nothing happens.  ktrace and and xscope show
	emacs is continuously sending GetInputFocus commands to the
	X-server.

	The immediate cause is emacs looping in x_make_frame_visible().
	It is apparently waiting for an input event indicating that
	the window has been mapped.  It expects to get informed of
	this when a signal (presumably SIGIO) invokes XTread_socket().
	The only problem is that I can't find anything to enable SIGIO
	and sigaction(2) is never called.

	This problem does not occur with a 2.x aout emacs running with
	2.x X11 libraries.  (Although I don't have an aout debugger to
	follow the control flow).

>How-To-Repeat:

	cd /usr/ports/editors/emacs
	make
	make install
	DISPLAY=:0 emacs

>Fix:
	

>Release-Note:
>Audit-Trail:
>Unformatted:


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