https://bugs.kde.org/show_bug.cgi?id=511086
Bug ID: 511086
Summary: Wrong locale is set for applications launched in KDE
Classification: Plasma
Product: plasmashell
Version First 6.5.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
Created attachment 186124
--> https://bugs.kde.org/attachment.cgi?id=186124&action=edit
test program
SUMMARY
Wrong locale is set for applications launched in KDE Wayland session, for Qt
based application following warning is emit:
Detected locale "C" with character encoding "ANSI_X3.4-1968", which is not
UTF-8.
Qt depends on a UTF-8 locale, and has switched to "C.UTF-8" instead.
If this causes problems, reconfigure your locale. See the locale(1) manual
for more information.
A small test program is written, running from terminal or ssh session the
locale output is right (same as locale settings), while running from KDE
Konsole the output is wrong (C / ANSI_X3.4-1968).
----- Output from terminal -----
Locale environment variables:
LANG=en_US.UTF-8
LC_ALL=(unset)
LC_COLLATE=(unset)
LC_CTYPE=C.UTF-8
LC_MONETARY=(unset)
LC_NUMERIC=(unset)
LC_TIME=(unset)
LC_MESSAGES=(unset)
LC_PAPER=(unset)
LC_NAME=(unset)
LC_ADDRESS=(unset)
LC_TELEPHONE=(unset)
LC_MEASUREMENT=(unset)
LC_IDENTIFICATION=(unset)
Default LC_NUMERIC: en_US.UTF-8
Default LC_TIME: en_US.UTF-8
Default LC_CTYPE: C.UTF-8
Default CODESET: UTF-8
New LC_NUMERIC: en_US.UTF-8
New LC_TIME: en_US.UTF-8
New LC_CTYPE: en_US.UTF-8
New CODESET: UTF-8
----- Output from Konsole -----
LANG=en_US.UTF-8
LC_ALL=(unset)
LC_COLLATE=(unset)
LC_CTYPE=C.UTF-8
LC_MONETARY=(unset)
LC_NUMERIC=(unset)
LC_TIME=en_GB.UTF-8
LC_MESSAGES=(unset)
LC_PAPER=(unset)
LC_NAME=(unset)
LC_ADDRESS=(unset)
LC_TELEPHONE=(unset)
LC_MEASUREMENT=(unset)
LC_IDENTIFICATION=(unset)
Default LC_NUMERIC: C
Default LC_TIME: C
Default LC_CTYPE: C
Default CODESET: ANSI_X3.4-1968
New LC_NUMERIC: en_US.UTF-8
New LC_TIME: en_US.UTF-8
New LC_CTYPE: en_US.UTF-8
New CODESET: UTF-8
----- configs -----
$ cat /etc/locale.conf
LANG=en_US.UTF-8
LC_CTYPE=C.UTF-8
$ cat .config/plasma-localerc
[Formats]
LANG=en_US.UTF-8
LC_MEASUREMENT=C
LC_TIME=en_GB.UTF-8
$ locale
LANG=en_US.UTF-8
LC_CTYPE=C.UTF-8
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_GB.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT=C
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=
STEPS TO REPRODUCE
1. Set system and KDE locales to the same settings above
2. Check "locale" output is UTF-8
3. Run the test program, check default locale output
OBSERVED RESULT
Default locale is "C"
EXPECTED RESULT
Default locale should be "en_US.UTF-8"
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.5.0
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
Kernel Version: 6.17.4-4-cachyos (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen AI 7 H 350 w/ Radeon 860M
Memory: 32 GiB of RAM (29.0 GiB usable)
Graphics Processor 1: AMD Radeon 860M Graphics
Graphics Processor 2: NVIDIA GeForce RTX 5060 Laptop GPU
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