Bug 955096 – kde-plasma/plasma-meta-6.3.4: Monitor switch Fn key stop working after upgrade to Plasma 6.3.4 (6.3.3 was fine)

• Status: RESOLVED TEST-REQUEST
• Product: Gentoo Linux

[Description Sergey Okhapkin 2025-04-29 20:53:01 UTC]

After upgrade to Plasma 6.3.4 both my laptops no longer react to Fn-monitor switch key press (both wayland and X11 sessions). The keys combination works OK in Xfce session (X11) or when I boot KDE-neon installation CD (Plasma 6.3.3) on the same laptop. 

$ emerge --info
Portage 3.0.67 (python 3.12.10-final-0, default/linux/amd64/23.0/desktop/plasma, gcc-14, glibc-2.40-r8, 6.12.21-gentoo-dist x86_64)
=================================================================
System uname: Linux-6.12.21-gentoo-dist-x86_64-AMD_A9-9420e_RADEON_R5,_5_COMPUTE_CORES_2C+3G-with-glibc2.40
KiB Mem:     3861456 total,    420708 free
KiB Swap:    8294396 total,   8294396 free
Timestamp of repository gentoo: Tue, 29 Apr 2025 16:35:18 +0000
Head commit of repository gentoo: 64d536608e646c27067db0c476777447bc181891

sh bash 5.2_p37
ld GNU ld (Gentoo 2.44 p1) 2.44.0
distcc 3.4 x86_64-pc-linux-gnu [enabled]
app-misc/pax-utils:        1.3.8::gentoo
app-shells/bash:           5.2_p37::gentoo
dev-build/cmake:           3.31.5::gentoo
dev-build/make:            4.4.1-r100::gentoo
dev-lang/perl:             5.40.2::gentoo
dev-lang/python:           3.12.10::gentoo
llvm-core/clang:           19.1.7::gentoo
llvm-core/llvm:            19.1.7::gentoo
sys-apps/baselayout:       2.17::gentoo
sys-apps/openrc:           0.56::gentoo
sys-apps/sandbox:          2.39::gentoo
sys-devel/binutils:        2.44::gentoo
sys-devel/binutils-config: 5.5.2::gentoo
sys-devel/gcc:             14.2.1_p20241221::gentoo
sys-devel/gcc-config:      2.12.1::gentoo
sys-kernel/linux-headers:  6.12::gentoo (virtual/os-headers)
sys-libs/glibc:            2.40-r8::gentoo
Repositories:

gentoo
    location: /var/db/repos/gentoo
    sync-type: git
    sync-uri: git://anongit.gentoo.org/repo/sync/gentoo.git
    priority: -1000
    volatile: False

Binary Repositories:

binhost-v3
    priority: 1
    sync-uri: http://www.sokhapkin.com/x86-64-v3

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=x86-64-v3 -O2 -pipe -fomit-frame-pointer"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d"
CXXFLAGS="-march=x86-64-v3 -O2 -pipe -fomit-frame-pointer"
DISTDIR="/var/cache/distfiles"
EMERGE_DEFAULT_OPTS="--keep-going y --jobs=2 --load-average=2"
ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME"
FCFLAGS="-march=x86-64-v3 -O2 -pipe -fomit-frame-pointer"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg-live config-protect-if-modified distcc distlocks ebuild-locks fixlafiles getbinpkg ipc-sandbox merge-sync merge-wait multilib-strict news parallel-fetch pid-sandbox pkgdir-index-trusted preserve-libs protect-owned qa-unresolved-soname-deps sandbox strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-march=x86-64-v3 -O2 -pipe -fomit-frame-pointer"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="POSIX"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs"
MAKEOPTS="-j4 -l 3"
PKGDIR="/var/cache/binpkgs"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
RUSTFLAGS="-C debuginfo=0 -C target-cpu=native -C opt-level=3"
SHELL="/bin/bash"
USE="X a52 aac acl acpi activities alsa amd64 apng bluetooth branding bzip2 cairo cdda cdr cet clang crypt cups dbus declarative dist-kernel dri dts dvd dvdr elogind encode exif extra flac gdbm geoclue gif git gphoto2 gpm gtk gui iconv icu initramfs ipv6 jpeg kde kdesu kwallet lcms libnotify libtirpc mad mng mp3 mp4 mpeg multilib ncurses networkmanager nls ogg opengl openh264 openmp pam pango pcre pdf pdfimport pipewire plasma png policykit postproc ppds pulseaudio qml qt5 qt6 readline screencast sdl seccomp secure-delete semantic-desktop sound ssl startup-notification svg test-rust tiff truetype udev udisks unicode upower usb vaapi vorbis vulkan wayland widgets wxwidgets x264 xattr xcb xft xml xv xvid zlib" ABI_X86="64" ADA_TARGET="gcc_14" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_anon authn_dbm authn_file authz_dbm authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir env expires ext_filter file_cache filter headers include info log_config logio mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 aes avx avx2 f16c fma3 fma4 pclmul popcnt sse3 sse4_1 sse4_2 sse4a ssse3 xop" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax navcom oceanserver oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 tsip tripmate tnt ublox" GRUB_PLATFORMS="efi-64" GUILE_SINGLE_TARGET="3-0" GUILE_TARGETS="3-0" INPUT_DEVICES="synaptics libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz glk hd44780 lb216 lcdm001 mtxorb text" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-2" POSTGRES_TARGETS="postgres17" PYTHON_SINGLE_TARGET="python3_12" PYTHON_TARGETS="python3_12" RUBY_TARGETS="ruby32" VIDEO_CARDS="amdgpu radeonsi radeon intel nouveau" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipp2p iface geoip fuzzy condition tarpit sysrq proto logmark ipmark dhcpmac delude chaos account"
Unset:  ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LEX, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PYTHONPATH, RANLIB, READELF, SIZE, STRINGS, STRIP, YACC, YFLAGS

[Comment 1 Sergey Okhapkin 2025-04-29 21:03:41 UTC]

I'm not sure if it is KDE or gentoo-specific bug. I did not try plasma 6.3.3 on gentoo, but KDE neon CD only and it worked OK.

[Comment 2 Andreas Sturmlechner 2025-05-07 14:31:02 UTC]

Please test with 6.3.5.

[Comment 3 Sergey Okhapkin 2025-05-07 19:35:33 UTC]

Will test when plasma 6.3.5 will be set stable in gentoo.