(In reply to Yan Huang from comment #0) > On openSUSE Tumbleweed 20211005 (with shim 15.4-4.2 and Secure Boot > enabled), booting the newest Kernel:stable kernel 5.14.10-2.1.g2878fd1 leads > to: > > > Loading Linux kernel-default-5.14.10-2.g2878fd1-default ... > > error: ../../grub-core/kern/efi/sb.c:150:bad shim signature. > > Loading initial ramdisk ... > > error: ../../grub-core/loader/i386/efi/linux.c.98:you need to load the kernel first. > > > > Press any key to continue..._ > > The previous Kernel:stable kernel 5.14.9-2.1.gd0ace7f did not have this > issue. > > The issue seems to be similar to the previous boo#1188142 (Kernel 5.13.1 > does not boot due to bad shim signature). Confirmed with TW20201005, shim-15.4-4.2.x86_64 and kernel-default-5.14.10-2.1.g2878fd1.x86_64 from kernel:stable.