What were you trying to do that didn't work?

 The error message is not clear when boot up a SE guest with wrong notification on Z16 host and with Z15 notification

Please provide the package NVR for which bug is seen:

qemu version: qemu-kvm-6.2.0-41.module+el8.10.0+20088+3901493e.s390x

kernel version: kernel-4.18.0-527.el8.s390x

How reproducible:

100%

Steps to reproduce

1.  set LPAR kernel command for SE guest on z16
   1. grubby --update-kernel='/boot/vmlinuz-4.18.0-527.el8.s390x' --args="prot_virt=1"
   2. zipl
   3. reboot
2. boot a SE guest with z15 verification
3.  

Expected results

the error message could show more details about the root cause

Actual results

[root@rdu-z16-l27 home]# cat /sys/firmware/uv/prot_virt_host
1
[root@rdu-z16-l27 home]# sh se.sh 
QEMU 6.2.0 monitor - type 'help' for more information
(qemu) qemu-kvm: KVM PV command 2 (KVM_PV_SET_SEC_PARMS) failed: header rc 108 rrc 5 IOCTL rc: -22
[root@rdu-z16-l27 home]# 

[root@rdu-z16-l26 home]#