GNU bug report logs - #80027
Key input sometimes skip fcitx

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Package: emacs; Reported by: Wai <thanks.big.white@HIDDEN>; merged with #74590; dated Thu, 18 Dec 2025 05:12:01 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.
Merged 74590 80027. Request was from Eli Zaretskii <eliz@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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Date: Sat, 03 Jan 2026 14:06:16 +0200
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From: Eli Zaretskii <eliz@HIDDEN>
To: Wai <thanks.big.white@HIDDEN>
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 (message from Wai on Fri, 26 Dec 2025 11:00:23 -0800)
Subject: Re: bug#80027: Key input sometimes skip fcitx
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merge 80027 74590
thanks

> From: Wai <thanks.big.white@HIDDEN>
> Date: Fri, 26 Dec 2025 11:00:23 -0800
> Cc: Po Lu <luangruo@HIDDEN>, 80027 <at> debbugs.gnu.org
> 
> Un update of this thread.
> 
> I was able to avoid this problem by doing the following:
> 1. Add the following to my X resource file (~/.Xresources or ~/.Xdefaults):
> 
>  Emacs*useXIM: false
> 
> 2. After saving it, reload:
> 
>  xrdb -merge ~/.Xresources
> 
> After the above two steps, the problem I experienced never came back. 

That disables the input method completely.

The question is how to fix the problem without disabling XIM.  There's
a patch suggested in bug#74590, and I hope Po Lu will review it.




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#80027; Package emacs. Full text available.

Message received at 80027 <at> debbugs.gnu.org:


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Subject: Re: bug#80027: Key input sometimes skip fcitx
To: Eli Zaretskii <eliz@HIDDEN>
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Un update of this thread.

I was able to avoid this problem by doing the following:
1. Add the following to my X resource file (~/.Xresources or ~/.Xdefaults):

> Emacs*useXIM: false

2. After saving it, reload:

> xrdb -merge ~/.Xresources


After the above two steps, the problem I experienced never came back.

On Wed, Dec 17, 2025 at 11:55=E2=80=AFPM Wai <thanks.big.white@HIDDEN> w=
rote:

> Sorry but this is the first time I report a bug to this list and I don't
> know how it works.
>
> That bug is in 31.0.50 but this one is in 30.2. That's why I think I
> should probably open a new thread.
>
> On Wed, Dec 17, 2025 at 11:43=E2=80=AFPM Eli Zaretskii <eliz@HIDDEN> wro=
te:
>
>> > From: Wai <thanks.big.white@HIDDEN>
>> > Date: Wed, 17 Dec 2025 11:47:27 -0800
>> >
>> > Sometimes Emacs skips a key input:
>> >
>> >  ../../../../modules/im/ximcp/imDefLkup.c,419: The application dispose=
d
>> a key event with 6242 serial.
>> >
>> > This bug seems to exist before:
>> > https://lists.gnu.org/archive/html/bug-gnu-emacs/2025-02/msg01907.html
>> >
>> > I think I started to encounter this bug after upgrading to 30.2. I'm o=
n
>> a Linux machine.
>>
>> If this is the same bug as bug#74590, why did you submit a new bug
>> instead of writing a comment to that bug?
>>
>> Should I merge these two bugs now?
>>
>> Po Lu, could you please look into these two issues and tell how to
>> make progress with them?
>>
>

--00000000000028912d0646df8289
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<div dir=3D"ltr"><div>Un update of this thread.</div><div><br></div><div>I =
was able to avoid this problem by doing the following:</div><div>1. Add the=
 following to my X resource file (~/.Xresources or ~/.Xdefaults):</div><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left=
:1px solid rgb(204,204,204);padding-left:1ex">Emacs*useXIM: false</blockquo=
te><div>2. After saving it, reload:</div><blockquote class=3D"gmail_quote" =
style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pa=
dding-left:1ex">xrdb -merge ~/.Xresources</blockquote><div><br></div><div>A=
fter the above two steps, the problem I experienced never came back.=C2=A0<=
/div></div><br><div class=3D"gmail_quote gmail_quote_container"><div dir=3D=
"ltr" class=3D"gmail_attr">On Wed, Dec 17, 2025 at 11:55=E2=80=AFPM Wai &lt=
;<a href=3D"mailto:thanks.big.white@HIDDEN">thanks.big.white@HIDDEN</=
a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv dir=3D"ltr"><div>Sorry but this is the first time I report a bug to this=
 list and I don&#39;t know how it works.=C2=A0</div><div><br></div><div>Tha=
t bug is in 31.0.50 but this one is in 30.2. That&#39;s why I think I shoul=
d probably open a new thread.</div></div><br><div class=3D"gmail_quote"><di=
v dir=3D"ltr" class=3D"gmail_attr">On Wed, Dec 17, 2025 at 11:43=E2=80=AFPM=
 Eli Zaretskii &lt;<a href=3D"mailto:eliz@HIDDEN" target=3D"_blank">eliz@g=
nu.org</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left=
:1ex">&gt; From: Wai &lt;<a href=3D"mailto:thanks.big.white@HIDDEN" targ=
et=3D"_blank">thanks.big.white@HIDDEN</a>&gt;<br>
&gt; Date: Wed, 17 Dec 2025 11:47:27 -0800<br>
&gt; <br>
&gt; Sometimes Emacs skips a key input:<br>
&gt; <br>
&gt;=C2=A0 ../../../../modules/im/ximcp/imDefLkup.c,419: The application di=
sposed a key event with 6242 serial.<br>
&gt; <br>
&gt; This bug seems to exist before:<br>
&gt; <a href=3D"https://lists.gnu.org/archive/html/bug-gnu-emacs/2025-02/ms=
g01907.html" rel=3D"noreferrer" target=3D"_blank">https://lists.gnu.org/arc=
hive/html/bug-gnu-emacs/2025-02/msg01907.html</a><br>
&gt; <br>
&gt; I think I started to encounter this bug after upgrading to 30.2. I&#39=
;m on a Linux machine.<br>
<br>
If this is the same bug as bug#74590, why did you submit a new bug<br>
instead of writing a comment to that bug?<br>
<br>
Should I merge these two bugs now?<br>
<br>
Po Lu, could you please look into these two issues and tell how to<br>
make progress with them?<br>
</blockquote></div>
</blockquote></div>

--00000000000028912d0646df8289--




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bug#80027; Package emacs. Full text available.

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Subject: Re: bug#80027: Key input sometimes skip fcitx
To: Eli Zaretskii <eliz@HIDDEN>
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Sorry but this is the first time I report a bug to this list and I don't
know how it works.

That bug is in 31.0.50 but this one is in 30.2. That's why I think I should
probably open a new thread.

On Wed, Dec 17, 2025 at 11:43=E2=80=AFPM Eli Zaretskii <eliz@HIDDEN> wrote=
:

> > From: Wai <thanks.big.white@HIDDEN>
> > Date: Wed, 17 Dec 2025 11:47:27 -0800
> >
> > Sometimes Emacs skips a key input:
> >
> >  ../../../../modules/im/ximcp/imDefLkup.c,419: The application disposed
> a key event with 6242 serial.
> >
> > This bug seems to exist before:
> > https://lists.gnu.org/archive/html/bug-gnu-emacs/2025-02/msg01907.html
> >
> > I think I started to encounter this bug after upgrading to 30.2. I'm on
> a Linux machine.
>
> If this is the same bug as bug#74590, why did you submit a new bug
> instead of writing a comment to that bug?
>
> Should I merge these two bugs now?
>
> Po Lu, could you please look into these two issues and tell how to
> make progress with them?
>

--000000000000d09c3d06463547d9
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<div dir=3D"ltr"><div>Sorry but this is the first time I report a bug to th=
is list and I don&#39;t know how it works.=C2=A0</div><div><br></div><div>T=
hat bug is in 31.0.50 but this one is in 30.2. That&#39;s why I think I sho=
uld probably open a new thread.</div></div><br><div class=3D"gmail_quote gm=
ail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Dec 17, =
2025 at 11:43=E2=80=AFPM Eli Zaretskii &lt;<a href=3D"mailto:eliz@HIDDEN">=
eliz@HIDDEN</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddin=
g-left:1ex">&gt; From: Wai &lt;<a href=3D"mailto:thanks.big.white@HIDDEN=
" target=3D"_blank">thanks.big.white@HIDDEN</a>&gt;<br>
&gt; Date: Wed, 17 Dec 2025 11:47:27 -0800<br>
&gt; <br>
&gt; Sometimes Emacs skips a key input:<br>
&gt; <br>
&gt;=C2=A0 ../../../../modules/im/ximcp/imDefLkup.c,419: The application di=
sposed a key event with 6242 serial.<br>
&gt; <br>
&gt; This bug seems to exist before:<br>
&gt; <a href=3D"https://lists.gnu.org/archive/html/bug-gnu-emacs/2025-02/ms=
g01907.html" rel=3D"noreferrer" target=3D"_blank">https://lists.gnu.org/arc=
hive/html/bug-gnu-emacs/2025-02/msg01907.html</a><br>
&gt; <br>
&gt; I think I started to encounter this bug after upgrading to 30.2. I&#39=
;m on a Linux machine.<br>
<br>
If this is the same bug as bug#74590, why did you submit a new bug<br>
instead of writing a comment to that bug?<br>
<br>
Should I merge these two bugs now?<br>
<br>
Po Lu, could you please look into these two issues and tell how to<br>
make progress with them?<br>
</blockquote></div>

--000000000000d09c3d06463547d9--




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#80027; Package emacs. Full text available.

Message received at 80027 <at> debbugs.gnu.org:


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 (message from Wai on Wed, 17 Dec 2025 11:47:27 -0800)
Subject: Re: bug#80027: Key input sometimes skip fcitx
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> From: Wai <thanks.big.white@HIDDEN>
> Date: Wed, 17 Dec 2025 11:47:27 -0800
> 
> Sometimes Emacs skips a key input:
> 
>  ../../../../modules/im/ximcp/imDefLkup.c,419: The application disposed a key event with 6242 serial.
> 
> This bug seems to exist before:
> https://lists.gnu.org/archive/html/bug-gnu-emacs/2025-02/msg01907.html
> 
> I think I started to encounter this bug after upgrading to 30.2. I'm on a Linux machine.

If this is the same bug as bug#74590, why did you submit a new bug
instead of writing a comment to that bug?

Should I merge these two bugs now?

Po Lu, could you please look into these two issues and tell how to
make progress with them?




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#80027; Package emacs. Full text available.

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--000000000000df428706462b1d0a
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Hello,

Sometimes Emacs skips a key input:

../../../../modules/im/ximcp/imDefLkup.c,419: The application disposed a
> key event with 6242 serial.


This bug seems to exist before:
https://lists.gnu.org/archive/html/bug-gnu-emacs/2025-02/msg01907.html

I think I started to encounter this bug after upgrading to 30.2. I'm on a
Linux machine.

Thanks,
W

--000000000000df428706462b1d0a
Content-Type: text/html; charset="UTF-8"
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<div dir=3D"ltr"><div>Hello,</div><div><br></div><div>Sometimes Emacs skips=
 a key input:</div><div><br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex">../../../../modules/im/ximcp/imDefLkup.c,419: The application di=
sposed a key event with 6242 serial.</blockquote><div><br></div><div>This b=
ug seems to exist before:</div><div><a href=3D"https://lists.gnu.org/archiv=
e/html/bug-gnu-emacs/2025-02/msg01907.html">https://lists.gnu.org/archive/h=
tml/bug-gnu-emacs/2025-02/msg01907.html</a></div><div><br></div><div>I thin=
k I started to encounter this bug after upgrading to 30.2. I&#39;m on a Lin=
ux machine.</div><div><br></div><div>Thanks,</div><div>W</div></div>

--000000000000df428706462b1d0a--




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