System hangs with "Calling ibm,client-architecture-support..."

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I am installing RHEL 9.2/9.3 ppc64le to VM using netboot and KVM guest image, either way hangs with the same output:

OF stdout device is: /vdevice/vty@30000000
Preparing to boot Linux version 5.14.0-284.11.1.el9_2.ppc64le (mockbuild@ppc-061.build.eng.bos.redhat.com) (gcc (GCC) 11.3.1 20221121 (Red Hat 11.3.1-4), GNU ld version 2.35.2-37.el9) #1 SMP Wed Apr 12 10:34:28 EDT 2023
Detected machine type: 0000000000000101
command line: BOOT_IMAGE=/images/RHEL-9.2le-ppc64le/vmlinuz ksdevice=bootif inst.lang= console=tty0 console=ttyS0,115200 inst.text crashkernel=320M inst.ks.sendmac inst.ks=http://10.240.16.5/cblr/svc/op/ks/system/onyx-209-el9-ppc64le-1
Max number of cores passed to firmware: 2048 (NR_CPUS = 2048)
Calling ibm,client-architecture-support...

On the attached screenshot, you can see the same behaviour.

My environment is:
- host kernel is 3.10.0-1160.102.1.el7.ppc64le
- qemu-kvm is 2.12.0-48
- libvirt-daemon-driver-qemu is 4.5.0
which are most fresh in RHEL 7.9 repositories

Other linux distro is able to boot in the same environment.

Are there boot parameter or some workaround for the issue? Any help is appreciated.

ED

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