Adding kernel boot parameters via YaST2 take no effect

English Install/Boot/Login
21

Used yast2 bootloader and got what I ordered:

tw2026:~ # cat /etc/kernel/cmdline
splash=silent quiet security=selinux selinux=0 mitigations=off
tw2026:~ #

Ran update-bootloader --config and rebooted. All entries are updated consistently:

tw2026:~ # grep -r splash= /boot/efi/loader/entries
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-34.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/34/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-34.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/34/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-35.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/35/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-35.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/35/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/system-opensuse-tumbleweed-6.18.4-1-default-31.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/31/snapshot
/boot/efi/loader/entries/system-opensuse-tumbleweed-6.18.3-1-default-31.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/31/snapshot
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-32.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/32/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.2-1-default-32.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/32/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-32.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/32/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-33.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/33/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-33.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/33/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
tw2026:~ #
22

Used yast2 bootloader and got what I ordered:

tw2026:~ # cat /etc/kernel/cmdline
splash=silent quiet security=selinux selinux=0 mitigations=off
tw2026:~ #

Ran update-bootloader --config and rebooted. All entries are updated consistently:

tw2026:~ # grep -r splash= /boot/efi/loader/entries
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-34.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/34/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-34.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/34/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-35.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/35/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-35.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/35/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/system-opensuse-tumbleweed-6.18.4-1-default-31.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/31/snapshot
/boot/efi/loader/entries/system-opensuse-tumbleweed-6.18.3-1-default-31.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/31/snapshot
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-32.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/32/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.2-1-default-32.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/32/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-32.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/32/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.4-1-default-33.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/33/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
/boot/efi/loader/entries/snapper-opensuse-tumbleweed-6.18.3-1-default-33.conf:options    splash=silent quiet security=selinux selinux=0 mitigations=off root=UUID=21cab091-4163-4d22-a4c3-7abf5c531332 rootflags=subvol=@/.snapshots/33/snapshot systemd.machine_id=fc94dd8e1ea84c178dc45f43fd0fe68b
tw2026:~ #
23

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