GNU bug report logs - #53160
29.0.50; fcitx5 will freeze Emacs with pre-edited text enabled

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Eason Huang <aqua0210 <at> foxmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50; fcitx5 will freeze Emacs with pre-edited text enabled
Date: Mon, 10 Jan 2022 21:49:41 +0800

With latest version of Emacs 29.0.50, @Po Lu implement a nice feature to
support showing pre-edited text of Fcitx5(A Chinese input method).

But when I enable this new feature, Fcitx5 will freeze Emacs sometimes.
Fcitx5 works well on gedit.

Can anyone help to fixed this issue?


In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.31, cairo version 1.17.4)
 of 2022-01-10 built on lilydjwg
Repository revision: d5cf772cad1773f5e40f85c51199632721050f65
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101003
System Description: Arch Linux

Configured using:
 'configure --prefix=/usr --sysconfdir=/etc --libexecdir=/usr/lib
 --localstatedir=/var --mandir=/usr/share/man --with-gameuser=:games
 --with-sound=alsa --with-modules --without-libotf --without-m17n-flt
 --without-gconf --without-gsettings --with-sound=no --with-xwidgets
 --without-gpm '--program-transform-name=s/\([ec]tags\)/\1.emacs/'
 'CFLAGS=-march=x86-64 -mtune=generic -O2 -pipe -fno-plt'
 CPPFLAGS=-D_FORTIFY_SOURCE=2
 LDFLAGS=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now'

Configured features:
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SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XDBE XIM XPM XWIDGETS
GTK3 ZLIB

Important settings:
  value of $LC_CTYPE: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=fcitx5
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
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Message #8 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eason Huang <aqua0210 <at> foxmail.com>
Cc: 53160 <at> debbugs.gnu.org
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Tue, 11 Jan 2022 08:43:31 +0800

Eason Huang <aqua0210 <at> foxmail.com> writes:

> With latest version of Emacs 29.0.50, @Po Lu implement a nice feature to
> support showing pre-edited text of Fcitx5(A Chinese input method).
>
> But when I enable this new feature, Fcitx5 will freeze Emacs sometimes.
> Fcitx5 works well on gedit.
>
> Can anyone help to fixed this issue?

Thanks.  Some important questions:

  - Does this still happen under emacs -Q?  (You can set manually
    `x-gtk-use-native-input' to t there for testing.)

  - Could this perhaps be related to GC?

Message #11 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Eason Huang <aqua0210 <at> foxmail.com>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 53160 <at> debbugs.gnu.org
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Tue, 11 Jan 2022 21:56:06 +0800

Po Lu <luangruo <at> yahoo.com> writes:

>> I forget how to make Emacs show messages when GC happened, so I
>> can't test it now. Do you have any suggestions for testing GC?
>
> [Sorry for the webmail, but Yahoo's SMTP is wedged; I hope Reply All
> worked and this reaches the bug tracker]
 Thanks for reminding.

> You can (setq garbage-collection-messages t) -- it will display a
> message in the echo area upon garbage collection.

I test it again with (setq garbage-collection-messages t), but I didn't
see any messages about GC when the issues occured.


-----
From Eason Huang

Message #14 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eason Huang <aqua0210 <at> foxmail.com>
Cc: 53160 <at> debbugs.gnu.org
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Wed, 12 Jan 2022 08:51:42 +0800

Eason Huang <aqua0210 <at> foxmail.com> writes:

> I test it again with (setq garbage-collection-messages t), but I didn't
> see any messages about GC when the issues occured.

Odd... do the issues still happen under emacs -Q?

Message #17 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Eason Huang <aqua0210 <at> foxmail.com>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 53160 <at> debbugs.gnu.org
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Wed, 12 Jan 2022 11:30:20 +0800

Po Lu <luangruo <at> yahoo.com> writes:

> Odd... do the issues still happen under emacs -Q?

Yes, the issues still happen under emacs -Q.



from Eason Huang

Message #20 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eason Huang <aqua0210 <at> foxmail.com>
Cc: 53160 <at> debbugs.gnu.org
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Thu, 13 Jan 2022 10:13:22 +0800

Eason Huang <aqua0210 <at> foxmail.com> writes:

> Po Lu <luangruo <at> yahoo.com> writes:
>
>> Odd... do the issues still happen under emacs -Q?
>
> Yes, the issues still happen under emacs -Q.

Please see if the problem has been resolved on master.  Thanks.

Message #25 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Eason Huang <aqua0210 <at> foxmail.com>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 53160 <53160 <at> debbugs.gnu.org>
Subject: Re:  bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Sun, 16 Jan 2022 12:11:40 +0800

>> Po Lu <luangruo <at> yahoo.com> writes:
>>
>>> Odd... do the issues still happen under emacs -Q?
>>
>> Yes, the issues still happen under emacs -Q.

> Please see if the problem has been resolved on master.  Thanks.

 sorry for the delay respond.

 I tested again with latest emacs-git on Arch linux. but the issue still
 exist.

 The repostitory revision is: 791694c5fe86b8c9ab5cb593bd5e050aa185aa3a


----
From Eason Huang

Message #28 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eason Huang <aqua0210 <at> foxmail.com>
Cc: 53160 <53160 <at> debbugs.gnu.org>
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Sun, 16 Jan 2022 13:32:36 +0800

Eason Huang <aqua0210 <at> foxmail.com> writes:

>  sorry for the delay respond.
>
>  I tested again with latest emacs-git on Arch linux. but the issue still
>  exist.
>
>  The repostitory revision is: 791694c5fe86b8c9ab5cb593bd5e050aa185aa3a

Thanks for testing.  Precisely how often does the problem occur?  I
tried typing continuously for 2 minutes, but didn't see anything after
the fix.

Message #31 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Eason Huang <aqua0210 <at> foxmail.com>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 53160 <53160 <at> debbugs.gnu.org>
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Mon, 17 Jan 2022 00:52:22 +0800

Po Lu <luangruo <at> yahoo.com> writes:

> Eason Huang <aqua0210 <at> foxmail.com> writes:
>
>>  sorry for the delay respond.
>>
>>  I tested again with latest emacs-git on Arch linux. but the issue still
>>  exist.
>>
>>  The repostitory revision is: 791694c5fe86b8c9ab5cb593bd5e050aa185aa3a
>
> Precisely how often does the problem occur?

About 5 words will trigger the issue.

> tried typing continuously for 2 minutes, but didn't see anything after
> the fix.

May be it is caused by my Fcitx5 configuration. I will try to dig more
infomations.

----
From Eason Huang

Message #34 received at 53160 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eason Huang <aqua0210 <at> foxmail.com>
Cc: 53160 <53160 <at> debbugs.gnu.org>
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Mon, 17 Jan 2022 08:31:13 +0800

Eason Huang <aqua0210 <at> foxmail.com> writes:

>>> Po Lu <luangruo <at> yahoo.com> writes:
>>>
>>>> Odd... do the issues still happen under emacs -Q?
>>>
>>> Yes, the issues still happen under emacs -Q.
>
>> Please see if the problem has been resolved on master.  Thanks.
>
>  sorry for the delay respond.
>
>  I tested again with latest emacs-git on Arch linux. but the issue still
>  exist.

Could you please try master now, and see if the problem persists?

Message #39 received at 53160-done <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eason Huang <aqua0210 <at> foxmail.com>
Cc: 53160-done <at> debbugs.gnu.org
Subject: Re: bug#53160: 29.0.50; fcitx5 will freeze Emacs with pre-edited
 text enabled
Date: Sat, 22 Jan 2022 12:34:33 +0800

Eason said that the problem was resolved by changing the font used by
the fcitx pre-edit popup, so I'm closing this report, since it's a
problem with fcitx and not Emacs.

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