@karlggest I switched to systemd-boot 
https://en.opensuse.org/Systemd-boot
zypper in systemd-boot
cat /etc/sysconfig/bootloader | grep LOADER_TYPE
LOADER_TYPE="grub2-efi"
update-bootloader --loader systemd-boot
update-bootloader
bootctl --make-machine-id-directory=yes install
Created "/boot/efi/EFI/systemd".
Created "/boot/efi/loader".
Created "/boot/efi/loader/keys".
Created "/boot/efi/loader/entries".
Created "/boot/efi/EFI/Linux".
Copied "/usr/lib/systemd/boot/efi/systemd-bootx64.efi" to "/boot/efi/EFI/systemd/systemd-bootx64.efi".
Copied "/usr/lib/systemd/boot/efi/systemd-bootx64.efi" to "/boot/efi/EFI/BOOT/BOOTX64.EFI".
Created "/boot/efi/4970dd0ab4444d54af87cdc19c53ba11".
⚠️ Mount point '/boot/efi' which backs the random seed file is world accessible, which is a security hole! ⚠️
⚠️ Random seed file '/boot/efi/loader/.#bootctlrandom-seed65007f85732c04cd' is world accessible, which is a security hole! ⚠️
Random seed file /boot/efi/loader/random-seed successfully written (32 bytes).
Created EFI boot entry "Linux Boot Manager".
tree /boot/efi/
/boot/efi/
├── 4970dd0ab4444d54af87cdc19c53ba11
├── EFI
│ ├── Dell
│ │ └── logs
│ │ ├── diags_current.xml
│ │ └── diags_previous.xml
│ ├── Linux
│ ├── boot
│ │ ├── MokManager.efi
│ │ ├── bootx64.efi
│ │ └── fallback.efi
│ ├── opensuse
│ │ ├── MokManager.efi
│ │ ├── boot.csv
│ │ ├── grub.cfg
│ │ ├── grub.efi
│ │ ├── grubx64.efi
│ │ └── shim.efi
│ └── systemd
│ └── systemd-bootx64.efi
└── loader
├── entries
├── entries.srel
├── keys
├── loader.conf
└── random-seed
12 directories, 15 files
efibootmgr
BootCurrent: 0000
Timeout: 1 seconds
BootOrder: 0001,0000,0002
Boot0000* opensuse-secureboot HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(\EFI\opensuse\shim.efi)
Boot0001* Linux Boot Manager HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(\EFI\systemd\systemd-bootx64.efi)
Boot0002* UEFI: SCSI Hard Drive HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(EFI\boot\bootx64.efi)0000424f
mv /boot/efi/EFI/systemd/systemd-bootx64.efi /boot/efi/EFI/systemd/grub.efi
cp /usr/share/efi/x86_64/shim.efi /boot/efi/EFI/systemd/shim.efi
cp /usr/share/efi/x86_64/MokManager.efi /boot/efi/EFI/systemd/MokManager.efi
vi /etc/sysconfig/bootloader
update-bootloader
cat /etc/sysconfig/bootloader | grep LOADER_TYPE
LOADER_TYPE=""
efibootmgr --delete --label opensuse-secureboot
BootCurrent: 0000
Timeout: 1 seconds
BootOrder: 0001,0002
Boot0001* Linux Boot Manager HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(\EFI\systemd\systemd-bootx64.efi)
Boot0002* UEFI: SCSI Hard Drive HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(EFI\boot\bootx64.efi)0000424f
efibootmgr --delete --label "Linux Boot Manager"
BootCurrent: 0000
Timeout: 1 seconds
BootOrder: 0002
Boot0002* UEFI: SCSI Hard Drive HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(EFI\boot\bootx64.efi)0000424f
rm -r /boot/efi/EFI/opensuse
sdbootutil install
sdbootutil -v add-all-kernels
Installing all kernels
Found kernel 6.12.0-160000.5-default = 922982caac3cdd86efcdbea652fc602ffa0de26b
Installing kernel 6.12.0-160000.5-default
Generating new initrd
Required free space in ESP: 82030 KB
Installed /boot/efi/4970dd0ab4444d54af87cdc19c53ba11/6.12.0-160000.5-default/linux-922982caac3cdd86efcdbea652fc602ffa0de26b
Installed /boot/efi/4970dd0ab4444d54af87cdc19c53ba11/6.12.0-160000.5-default/initrd-0e736204a41de9ffe6ac9d56a60493b592d18594
Installed /boot/efi/loader/entries/4970dd0ab4444d54af87cdc19c53ba11-6.12.0-160000.5-default-1.conf
efibootmgr
BootCurrent: 0000
Timeout: 1 seconds
BootOrder: 0000,0002
Boot0000* openSUSE Boot Manager (systemd-boot) HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(\EFI\systemd\shim.efi)
Boot0002* UEFI: SCSI Hard Drive HD(1,GPT,d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf,0x800,0x800000)/File(EFI\boot\bootx64.efi)0000424f
bootctl
System:
Firmware: UEFI 2.70 (American Megatrends 5.15)
Firmware Arch: x64
Secure Boot: enabled (user)
TPM2 Support: yes
Measured UKI: no
Boot into FW: supported
Current Boot Loader:
Product: systemd-boot 257.7+suse.19.ga0dfd5de4c
Features: ✓ Boot counting
✓ Menu timeout control
✓ One-shot menu timeout control
✓ Default entry control
✓ One-shot entry control
✓ Support for XBOOTLDR partition
✓ Support for passing random seed to OS
✓ Load drop-in drivers
✓ Support Type #1 sort-key field
✓ Support @saved pseudo-entry
✓ Support Type #1 devicetree field
✓ Enroll SecureBoot keys
✓ Retain SHIM protocols
✓ Menu can be disabled
✓ Multi-Profile UKIs are supported
✓ Boot loader set partition information
Partition: /dev/disk/by-partuuid/d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf
Loader: └─/EFI/systemd/grub.efi
Current Entry: 4970dd0ab4444d54af87cdc19c53ba11-6.12.0-160000.5-default-1.conf
Default Entry: opensuse-tumbleweed-6.16.8-1-default-1.conf <<=maybe a leftover from the previous install?
Random Seed:
System Token: set
Exists: yes
Available Boot Loaders on ESP:
ESP: /boot/efi (/dev/disk/by-partuuid/d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf)
File: ├─/EFI/systemd/grub.efi (systemd-boot 257.7+suse.19.ga0dfd5de4c)
├─/EFI/systemd/shim.efi
├─/EFI/systemd/MokManager.efi
├─/EFI/BOOT/BOOTX64.EFI
├─/EFI/BOOT/fallback.efi
└─/EFI/BOOT/MokManager.efi
Boot Loaders Listed in EFI Variables:
Title: openSUSE Boot Manager (systemd-boot)
ID: 0x0000
Status: active, boot-order
Partition: /dev/disk/by-partuuid/d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf
File: └─/EFI/systemd/shim.efi
Title: UEFI: SCSI Hard Drive
ID: 0x0002
Status: active, boot-order
Partition: /dev/disk/by-partuuid/d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf
File: └─EFI/boot/bootx64.efi
Boot Loader Entries:
$BOOT: /boot/efi (/dev/disk/by-partuuid/d8bcabbe-e3a0-4eef-aae4-e9ebf2dc9caf)
token: 4970dd0ab4444d54af87cdc19c53ba11
Default Boot Loader Entry:
type: Boot Loader Specification Type #1 (.conf)
title: openSUSE Leap 16.0
id: 4970dd0ab4444d54af87cdc19c53ba11-6.12.0-160000.5-default-1.conf
source: /boot/efi//loader/entries/4970dd0ab4444d54af87cdc19c53ba11-6.12.0-160000.5-default-1.conf (on the EFI System Partition)
sort-key: opensuse-leap
version: 1@6.12.0-160000.5-default
machine-id: 4970dd0ab4444d54af87cdc19c53ba11
linux: /boot/efi//4970dd0ab4444d54af87cdc19c53ba11/6.12.0-160000.5-default/linux-922982caac3cdd86efcdbea652fc602ffa0de26b
initrd: /boot/efi//4970dd0ab4444d54af87cdc19c53ba11/6.12.0-160000.5-default/initrd-0e736204a41de9ffe6ac9d56a60493b592d18594
options: root=UUID=1c245532-54ec-4e68-9474-f1056924c174 nomodeset mitigations=auto quiet security=selinux selinux=1 intel_iommu=on rd.driver.blacklist=nouveau roo>