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sonnl@SonNL-Linux-Mint:~$ fcitx5-diagnose
# System Info:
1. `uname -a`:
Linux SonNL-Linux-Mint 6.17.0-23-generic #23~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Tue Apr 14 16:11:48 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
2. `lsb_release -a`:
Distributor ID: Linuxmint
Description: Linux Mint 22.3
Release: 22.3
Codename: zena
3. `lsb_release -d`:
Description: Linux Mint 22.3
4. `/etc/lsb-release`:
DISTRIB_ID=LinuxMint
DISTRIB_RELEASE=22.3
DISTRIB_CODENAME=zena
DISTRIB_DESCRIPTION="Linux Mint 22.3 Zena"
5. `/etc/os-release`:
NAME="Linux Mint"
VERSION="22.3 (Zena)"
ID=linuxmint
ID_LIKE="ubuntu debian"
PRETTY_NAME="Linux Mint 22.3"
VERSION_ID="22.3"
HOME_URL="https://www.linuxmint.com/"
SUPPORT_URL="https://forums.linuxmint.com/"
BUG_REPORT_URL="http://linuxmint-troubleshooting-guide.readthedocs.io/en/latest/"
PRIVACY_POLICY_URL="https://www.linuxmint.com/"
VERSION_CODENAME=zena
UBUNTU_CODENAME=noble
6. Desktop Environment:
Desktop environment is `kde`.
7. XDG SESSION TYPE:
XDG_SESSION_TYPE='x11'
8. Bash Version:
BASH_VERSION='5.2.21(1)-release'# Environment:
1. DISPLAY:
DISPLAY=':0'
WAYLAND_DISPLAY=''
2. Keyboard Layout:
1. `setxkbmap`:
xkb_keymap {
xkb_keycodes { include "evdev+aliases(qwerty)" };
xkb_types { include "complete" };
xkb_compat { include "complete" };
xkb_symbols { include "pc+us+inet(evdev)" };
xkb_geometry { include "pc(pc105)" };
};
2. `xprop`:
_XKB_RULES_NAMES(STRING) = "evdev", "pc105", "us", "", ""
3. Locale:
1. All locales:
C
C.utf8
en_AG
en_AG.utf8
en_AU.utf8
en_BW.utf8
en_CA.utf8
en_DK.utf8
en_GB.utf8
en_HK.utf8
en_IE.utf8
en_IL
en_IL.utf8
en_IN
en_IN.utf8
en_NG
en_NG.utf8
en_NZ.utf8
en_PH.utf8
en_SG.utf8
en_US.utf8
en_ZA.utf8
en_ZM
en_ZM.utf8
en_ZW.utf8
POSIX
vi_VN
vi_VN.utf8
2. Current locale:
LANG=en_US.UTF-8
LANGUAGE=en_US
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC=en_US.UTF-8
LC_TIME=vi_VN.UTF-8
LC_COLLATE="en_US.UTF-8"
LC_MONETARY=vi_VN.UTF-8
LC_MESSAGES="en_US.UTF-8"
LC_PAPER=vi_VN.UTF-8
LC_NAME=vi_VN.UTF-8
LC_ADDRESS=en_US.UTF-8
LC_TELEPHONE=en_US.UTF-8
LC_MEASUREMENT=vi_VN.UTF-8
LC_IDENTIFICATION=en_US.UTF-8
LC_ALL=
4. Directories:
1. Home:
/home/sonnl
2. `${XDG_CONFIG_HOME}`:
Environment variable `XDG_CONFIG_HOME` is not set.
Current value of `XDG_CONFIG_HOME` is `~/.config` (`/home/sonnl/.config`).
3. Fcitx5 Settings Directory:
Current fcitx5 settings directory is `~/.config/fcitx5` (`/home/sonnl/.config/fcitx5`).
5. Current user:
The script is run as sonnl (1000).
# Fcitx State:
1. executable:
Found fcitx5 at `/usr/bin/fcitx5`.
2. version:
Fcitx version: `5.1.7`
3. process:
Found 2 fcitx5 processes:
1658 fcitx5-lotus-se
2096 fcitx5
4. `fcitx5-remote`:
`fcitx5-remote` works properly.
5. DBus interface:
Using `dbus-send` to check dbus.
Owner of DBus name `org.fcitx.Fcitx5` is `:1.72`.
PID of DBus name `org.fcitx.Fcitx5` owner is `2096`.
Debug information from dbus:
Group [x11::0] has 22 InputContext(s)
IC [f4067ec458c542fbb0026462763e6167] program:plasmashell frontend:dbus cap:16000800072 focus:0
IC [7fdffac54db34745a406d02b1bb73f67] program:nemo frontend:dbus cap:6000000032 focus:0
IC [b9dd14adff3a4ad7a3a68ca440bb619d] program:kazam frontend:dbus cap:6000000032 focus:0
IC [06098c881c354688b197e4d104adc181] program:konsole frontend:dbus cap:6000820872 focus:1
IC [831bde3daeea410b8f5190d9b412250e] program:ksnip frontend:dbus cap:16000800072 focus:0
IC [33c52d0c20404ef59d48173aa0387b35] program:ksnip frontend:dbus cap:16000800072 focus:0
IC [f1fa8721cdcc470595cf87763fd7f97e] program:ksnip frontend:dbus cap:16000800072 focus:0
IC [1576e62746254903b18069defe7e963b] program:plasmashell frontend:dbus cap:16000800072 focus:0
IC [5a881bd52a2b4f2bacee1f75d69bf926] program:plasmashell frontend:dbus cap:16000800072 focus:0
IC [980d09c51e024975a23ba788b0963b27] program:plasmashell frontend:dbus cap:16000800072 focus:0
IC [f38582a282a642509279088549faf0b1] program:plasmashell frontend:dbus cap:16000800072 focus:0
IC [d3b362ed49bf4d2e9d549214a3a124ab] program:Telegram frontend:dbus cap:6800800072 focus:0
IC [9518190b6e6c4ffab10f37d52008caff] program:mintUpdate.py frontend:dbus cap:6000000032 focus:0
IC [6fa3e4a46d074787a4ed4d5c247b7c63] program:firefox frontend:dbus cap:6000000032 focus:0
IC [f4b8796b4b924306882bd83b83c3bd98] program:plasma-discover frontend:dbus cap:16000800072 focus:0
IC [284007e648a9483cbd9bc190fa1783b2] program:mintUpdate.py frontend:dbus cap:6000000032 focus:0
IC [4711284f5a7b4efa9555eb333ec6c93d] program:nemo frontend:dbus cap:6000000032 focus:0
IC [38280af1735a4271b8f4d2ba9787332f] program:firefox frontend:dbus cap:6000000072 focus:0
IC [8b5913c35c1f458c8761b7f3c62b4c6b] program:nemo frontend:dbus cap:6000000032 focus:0
IC [c99ecf58248048e98d0bfe97dbd80d51] program:nemo frontend:dbus cap:6000000032 focus:0
IC [458dcabae4314f09a07731b10c80da30] program:plasmashell frontend:dbus cap:0 focus:0
IC [f38543603b0a4a50bafb54af577da067] program:plasmashell frontend:dbus cap:16000800072 focus:0
Input Context without group
# Fcitx Configure UI:
1. Config Tool Wrapper:
Found fcitx5-configtool at `/usr/bin/fcitx5-configtool`.
2. Config GUI for qt:
Found `fcitx5-config-qt` at `/usr/bin/fcitx5-config-qt`.
3. Config GUI for kde:
Found fcitx5 kcm module.
kcm_fcitx5 - Configure Input Method
# Frontends setup:
The environment variable checked by this script only shows the environment under current shell. It is still possible that you did not set the environment to the whole graphic desktop session. You may inspect the actual environment variable of a certain process by using `xargs -0 -L1 /proc/$PID/environ`for a certain process that you find not working.
## Xim:
1. `${XMODIFIERS}`:
Environment variable XMODIFIERS is set to "@im=fcitx" correctly.
Xim Server Name from Environment variable is fcitx.
2. XIM_SERVERS on root window:
Xim server name is the same with that setin the environment variable.
## Qt:
1. qt4 - `${QT4_IM_MODULE}`:
Environment variable QT_IM_MODULE is set to "fcitx" correctly.
**`fcitx5-qt4-immodule-probing` not found.**
2. qt5 - `${QT_IM_MODULE}`:
Environment variable QT_IM_MODULE is set to "fcitx" correctly.
Using fcitx5-qt5-immodule-probing to check the actual im module to be used under current environment:
QT_QPA_PLATFORM=xcb
QT_IM_MODULE=fcitx
IM_MODULE_CLASSNAME=fcitx::QFcitxPlatformInputContext
3. qt6 - `${QT_IM_MODULE}`:
Environment variable QT_IM_MODULE is set to "fcitx" correctly.
Using fcitx5-qt6-immodule-probing to check the actual im module to be used under current environment:
QT_QPA_PLATFORM=xcb
QT_IM_MODULE=fcitx
IM_MODULE_CLASSNAME=fcitx::QFcitxPlatformInputContext
4. Qt IM module files:
Found unknown fcitx qt module: `/lib/x86_64-linux-gnu/qt5/plugins/plasma/kcms/systemsettings/kcm_fcitx5.so`.
Found fcitx5 im module for qt5: `/lib/x86_64-linux-gnu/qt5/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so`.
Found fcitx5 qt5 module: `/lib/x86_64-linux-gnu/fcitx5/qt5/libfcitx5-unikey-keymap-editor.so`.
Found fcitx5 qt5 module: `/lib/x86_64-linux-gnu/fcitx5/qt5/libfcitx5-unikey-macro-editor.so`.
Found fcitx5 qt6 module: `/lib/x86_64-linux-gnu/fcitx5/qt6/libfcitx-quickphrase-editor5.so`.
Found fcitx5 im module for qt6: `/lib/x86_64-linux-gnu/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so`.
Following error may not be accurate because guessing Qt version from path depends on how your distribution packages Qt. It is not a critical error if you do not use any Qt application with certain version of Qt or you are using text-input support by Qt under Wayland.
**Cannot find fcitx5 input method module for Qt4.**## Gtk:
1. gtk - `${GTK_IM_MODULE}`:
Environment variable GTK_IM_MODULE is set to "fcitx" correctly.
**`fcitx5-gtk2-immodule-probing` not found.**
Using fcitx5-gtk3-immodule-probing to check the actual im module to be used under current environment:
GTK_IM_MODULE=fcitx
Using fcitx5-gtk4-immodule-probing to check the actual im module to be used under current environment:
GTK_IM_MODULE=fcitx
2. `gtk-query-immodules`:
1. gtk 2:
**Cannot find `gtk-query-immodules`for gtk 2****Cannot find fcitx5 im module for gtk 2.**
2. gtk 3:
**Cannot find `gtk-query-immodules`for gtk 3****Cannot find fcitx5 im module for gtk 3.**
3. Gtk IM module cache:
1. gtk 2:
Found immodules cache for gtk `2.24.33` at `/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules.cache`.
Version Line:
# Created by /usr/lib/x86_64-linux-gnu/libgtk2.0-0t64/gtk-query-immodules-2.0 from gtk+-2.24.33**Failed to find fcitx5 in immodule cache at `/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules.cache`****Cannot find fcitx5 im module forgtk 2in cache.**
2. gtk 3:
Found immodules cache for gtk `3.24.41` at `/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules.cache`.
Version Line:
# Created by /usr/lib/i386-linux-gnu/libgtk-3-0t64/gtk-query-immodules-3.0 from gtk+-3.24.41**Failed to find fcitx5 in immodule cache at `/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules.cache`**
Found immodules cache for gtk `3.24.41` at `/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules.cache`.
Version Line:
# Created by /usr/lib/x86_64-linux-gnu/libgtk-3-0t64/gtk-query-immodules-3.0 from gtk+-3.24.41
Found fcitx5 im modules for gtk `3.24.41`.
"/usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-fcitx5.so""fcitx""Fcitx5 (Flexible Input Method Framework5)""fcitx5""/usr/locale""ja:ko:zh:*""fcitx5""Fcitx5 (Flexible Input Method Framework5)""fcitx5""/usr/locale""ja:ko:zh:*"
4. Gtk IM module files:
1. gtk 2:
All found Gtk 2 immodule files exist.
2. gtk 3:
All found Gtk 3 immodule files exist.
3. gtk 4:
All found Gtk 4 immodule files exist.
# Configuration:## Fcitx Addons:
1. Addon Config Dir:
Found fcitx5 addon config directory: `/usr/share/fcitx5/addon`.
2. Addon List:
1. Found 30 enabled addons:
Bamboo Wrapper For Fcitx 1.0.4
Simplified and Traditional Chinese Translation 5.1.3
Classic User Interface 5.1.7
Clipboard 5.1.7
Cloud Pinyin 5.1.3
DBus 5.1.7
DBus Frontend 5.1.7
Emoji 5.1.7
Fcitx4 Frontend 5.1.7
Full width character 5.1.3
IBus Frontend 5.1.7
Input method selector 5.1.7
Keyboard 5.1.7
KDE Input Method Panel 5.1.7
Lotus Wrapper For Fcitx 3.0.3
Status Notifier 5.1.7
Notification 5.1.7
Pinyin 5.1.3
Extra Pinyin functionality 5.1.3
Punctuation 5.1.3
Quick Phrase 5.1.7
Spell 5.1.7
Unicode 5.1.7
Unikey Wrapper For Fcitx 5.1.2
DBus Virtual Keyboard 5.1.7
VnKey Vietnamese 1.0.1
Wayland 5.1.7
Wayland Input method frontend 5.1.7
XCB 5.1.7
X Input Method Frontend 5.1.7
2. Found 0 disabled addons:
3. Addon Libraries:
All libraries for all addons are found.
4. User Interface:
Found 3 enabled user interface addons:
Classic User Interface
KDE Input Method Panel
DBus Virtual Keyboard
## Input Methods:
1. `/home/sonnl/.config/fcitx5/profile`:
[Groups/0]
# Group Name
Name="Group 2"# Layout
Default Layout=us
# Default Input Method
DefaultIM=unikey
[Groups/0/Items/0]
# Name
Name=keyboard-us
# Layout
Layout=
[Groups/0/Items/1]
# Name
Name=unikey
# Layout
Layout=
[Groups/1]
# Group Name
Name="Group 1"# Layout
Default Layout=us
# Default Input Method
DefaultIM=bamboo
[Groups/1/Items/0]
# Name
Name=keyboard-us
# Layout
Layout=
[Groups/1/Items/1]
# Name
Name=bamboo
# Layout
Layout=
[Groups/2]
# Group Name
Name=Default
# Layout
Default Layout=us
# Default Input Method
DefaultIM=lotus
[Groups/2/Items/0]
# Name
Name=keyboard-us
# Layout
Layout=
[Groups/2/Items/1]
# Name
Name=lotus
# Layout
Layout=
[Groups/3]
# Group Name
Name="Group 3"# Layout
Default Layout=us
# Default Input Method
DefaultIM=vnkey
[Groups/3/Items/0]
# Name
Name=keyboard-us
# Layout
Layout=
[Groups/3/Items/1]
# Name
Name=vnkey
# Layout
Layout=
[Groups/4]
# Group Name
Name="Group 4"# Layout
Default Layout=us
# Default Input Method
DefaultIM=pinyin
[Groups/4/Items/0]
# Name
Name=keyboard-us
# Layout
Layout=
[Groups/4/Items/1]
# Name
Name=pinyin
# Layout
Layout=
[GroupOrder]
0=Default
1="Group 1"
2="Group 4"
3="Group 3"
4="Group 2"# Log:
1. `date`:
Thứ tư, 06 Tháng 5 năm 2026 13:06:12 +07
2. `/home/sonnl/.config/fcitx5/crash.log`:
`/home/sonnl/.config/fcitx5/crash.log` not found.
**Warning: the output of fcitx5-diagnose contains sensitive information, including the distribution name, kernel version, name of currently running programs, etc.****Though such information can be helpful to developers for diagnostic purpose, please double check and remove as necessary before posting it online publicly.**
Mô tả lỗi
Khi đang gõ chữ có dấu trên trang Facebook trên Firefox, mình gặp phải tình trạng bị mất chữ.
Screencast.2026-05-06.12.54.23.mp4
Các bước tái hiện
Kết quả mong đợi
Không bị mất chữ khi gõ dấu nữa
Kết quả thực tế
https://github.com/user-attachments/assets/358d4d0a-efe5-4f57-8854-17af7bc40af7
Như trong video, lỗi xuất hiện khi dùng Uinput, dù smooth hay slow đều như vậy.
Phiên bản fcitx5-lotus
3.0.3
Cách cài đặt
Khác
Hệ điều hành / Distro
Linux Mint 22.3
Môi trường Desktop
KDE Plasma
Kiểu gõ
VNI
Diagnose
Log của Uinput server
fcitx5-lotus-server.log
Log của fcitx5
I2026-05-06 13:02:10.271659 instance.cpp:1346] Override Enabled Addons: {} I2026-05-06 13:02:10.271718 instance.cpp:1347] Override Disabled Addons: {} I2026-05-06 13:02:10.274199 addonmanager.cpp:195] Loaded addon imselector E2026-05-06 13:02:10.276444 waylandmodule.cpp:230] Failed to open wayland connection I2026-05-06 13:02:10.276467 addonmanager.cpp:195] Loaded addon wayland I2026-05-06 13:02:10.277994 addonmanager.cpp:195] Loaded addon quickphrase I2026-05-06 13:02:10.282391 xcbconnection.cpp:189] Connecting to X11 display, display name::0. I2026-05-06 13:02:10.282809 addonmanager.cpp:195] Loaded addon xcb I2026-05-06 13:02:10.283198 addonmanager.cpp:195] Loaded addon waylandim I2026-05-06 13:02:10.291354 addonmanager.cpp:195] Loaded addon keyboard E2026-05-06 13:02:10.292725 addonloader.cpp:61] Failed to create addon: dbus Unable to request dbus name. Is there another fcitx already running? I2026-05-06 13:02:10.292750 addonmanager.cpp:191] Could not load addon dbus I2026-05-06 13:02:10.292846 addonmanager.cpp:298] Unloading addon keyboard I2026-05-06 13:02:10.293065 addonmanager.cpp:298] Unloading addon waylandim I2026-05-06 13:02:10.293106 addonmanager.cpp:298] Unloading addon xcb I2026-05-06 13:02:10.293344 addonmanager.cpp:298] Unloading addon quickphrase I2026-05-06 13:02:10.293676 addonmanager.cpp:298] Unloading addon wayland I2026-05-06 13:02:10.293717 addonmanager.cpp:298] Unloading addon imselectorThông tin bổ sung
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