Thanks. I put the -preempt files because YaST was updating them on its own from 15.3 online repo. Now I am using rpm command directly: Elesar:/home/cer/Downloads/kernel_15.4 # rpm --install kernel-default-5.14.21-150400.22.1.x86_64.rpm kernel-default-extra-5.14.21-150400.22.1.x86_64.rpm kernel-default-optional-5.14.21-150400.22.1.x86_64.rpm Creating initrd: /boot/initrd-5.14.21-150400.22-default ... dracut: Stored kernel commandline: dracut: resume=UUID=4feaa6f5-38c4-4674-ae54-8e22389731a1 dracut: root=UUID=32392d31-6b40-4f90-badd-9153370daba7 rootfstype=ext4 rootflags=rw,relatime,lazytime dracut: *** Creating image file '/boot/initrd-5.14.21-150400.22-default' *** dracut: *** Creating initramfs image file '/boot/initrd-5.14.21-150400.22-default' done *** Elesar:/home/cer/Downloads/kernel_15.4 # Writing this here so that it survive the reboot, in a while.