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+graphic: 0.983
+KVM: 0.981
+device: 0.861
+ppc: 0.801
+semantic: 0.769
+kernel: 0.759
+permissions: 0.748
+boot: 0.740
+PID: 0.737
+architecture: 0.618
+risc-v: 0.614
+hypervisor: 0.598
+VMM: 0.590
+user-level: 0.585
+vnc: 0.582
+socket: 0.578
+arm: 0.574
+performance: 0.560
+assembly: 0.545
+network: 0.544
+TCG: 0.542
+files: 0.514
+register: 0.498
+x86: 0.497
+debug: 0.477
+mistranslation: 0.471
+i386: 0.449
+virtual: 0.439
+peripherals: 0.389
+
+KVM: Failed to create TCE64 table for liobn 0x80000001
+Description of problem:
+When rebooting the system we hit :
+   ```
+   KVM: Failed to create TCE64 table for liobn 0x80000001
+   qemu-system-ppc64: ../system/memory.c:2666: memory_region_add_subregion_common: Assertion `!subregion->container' failed.
+   Aborted (core dumped)
+   ```
+Steps to reproduce:
+1. Start the machine
+2. Reboot it
+ 
+   ```
+   curl -LO https://cloud.centos.org/centos/10-stream/ppc64le/images/CentOS-Stream-GenericCloud-10-20250512.0.ppc64le.qcow2
+   export LIBGUESTFS_BACKEND=direct
+   virt-customize -v -a CentOS-Stream-GenericCloud-10-20250512.0.ppc64le.qcow2 --root-password password:centos
+   qemu-system-ppc64 --enable-kvm -m 4096 -smp 8 -hda CentOS-Stream-GenericCloud-10-20250512.0.ppc64le.qcow2 -vga none -nographic -device qemu-xhci
+   # once logged into it
+   systemctl reboot
+   [...]
+   KVM: Failed to create TCE64 table for liobn 0x80000001
+   qemu-system-ppc64: ../system/memory.c:2666: memory_region_add_subregion_common: Assertion `!subregion->container' failed.
+   Aborted (core dumped)
+   ```
+Additional information:
+The issue was already reported on ML https://lists.nongnu.org/archive/html/qemu-devel/2025-03/msg05137.html  
+I also hit that issue while building a CoreOS CentOS Stream 10 image https://github.com/openshift/os/issues/1818. I was able to validate that the commit https://github.com/torvalds/linux/commit/6aa989ab2bd0d37540c812b4270006ff794662e7 introduced the bug.