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From: Joseph Mingrone <jrm@ftfl.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 14473@debbugs.gnu.org, Stefan Kangas <stefan@marxist.se>
Subject: bug#14473: 24.3; emacs locks up when eshell attempts to display a dialog
Date: Thu, 03 Oct 2019 12:48:57 -0300	[thread overview]
Message-ID: <86wodlakye.fsf@phe.ftfl.ca> (raw)
In-Reply-To: <83r23xbw9s.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 30 Sep 2019 19:10:07 +0300")

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Eli Zaretskii <eliz@gnu.org> writes:

>> From: Stefan Kangas <stefan@marxist.se>
>> Date: Mon, 30 Sep 2019 17:47:48 +0200
>> Cc: 14473@debbugs.gnu.org

>> Joseph Mingrone <jrm@ftfl.ca> writes:

>> > When working in Eshell, if a dialog such as
>> > http://www.freebsd.org/doc/en/books/handbook/install/dist-set2.png is to
>> > be displayed, Emacs will lock up and the processor will stay at 100%
>> > until Emacs is killed.  This also happens when starting with Emacs -Q.

>> Are you still seeing this on a modern version of Emacs?  If yes, could
>> you please provide a recipe for how to reproduce it, starting from
>> "emacs -Q"?

>> (BTW, the link above is dead.)

> You can still find it in the Internet Archive:

>   https://web.archive.org/web/20130801011654/http://www.freebsd.org/doc/en/books/handbook/install/dist-set2.png

It's still a problem (26.3 and 2019-09-15 master-branch build) in that the dialog is not displayed, but the Emacs process no longer consumes 100% CPU.

Here is a simple recipe to reproduce the problem.  It assumes the FreeBSD ports tree is installed in the default location, which is /usr/ports.

1. emacs -Q
2. M-x eshell
3. cd /usr/ports/editors/emacs
4. sudo make config

Instead of the dialog displaying, eshell becomes unusable (blank screen and no keys will return the prompt).  Trying to exit by hitting TAB/Enter reports

Completion function pcomplete-completions-at-point uses a deprecated calling convention
Warning: pcomplete-completions-at-point failed to return valid completion data!

You can switch buffers and kill the eshell process now though.

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  reply	other threads:[~2019-10-03 15:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-25 17:19 bug#14473: 24.3; emacs locks up when eshell attempts to display a dialog Joseph Mingrone
2019-09-30 15:47 ` Stefan Kangas
2019-09-30 16:10   ` Eli Zaretskii
2019-10-03 15:48     ` Joseph Mingrone [this message]
2019-10-03 16:48       ` Stefan Kangas
2019-10-07 18:53         ` Joseph Mingrone
2019-10-08 14:05           ` Stefan Kangas
2019-10-14 17:53             ` Joseph Mingrone
2019-10-14 19:34               ` Stefan Kangas

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