Source: https://gitlab.com/qemu-project/qemu/-/issues/2394

1. 1. Host environment

• Operating system: CentOS 9
• OS/kernel version: 6.10.0-rc2
• Architecture: x86_64
• QEMU flavor: qemu-system-x86_64
• QEMU version: 9.0.50 (v9.0.0-773-gba67809059)
• QEMU command line:

1. 1. Emulated/Virtualized environment

• Operating system: CentOS 9
• OS/kernel version: 6.10.0-rc4
• Architecture: x86_64

1. 1. Description of problem
      On the Sierra Forest platform, the vmx test in kvm-unit-tests failed. But this issue cannot be replicated on Emerald Rapids platform.

The first bad commit is ba6780905943696d790cc880c8e5684b51f027fe.

1. 1. Steps to reproduce
      1.git clone https://gitlab.com/kvm-unit-tests/kvm-unit-tests.git

2.cd kvm-unit-tests; ./configure

3.make standalone

4.rmmod kvm_intel

5.modprobe kvm_intel nested=Y allow_smaller_maxphyaddr=Y

6.cd tests; ./vmx

1. 1. Additional information
      ...
      FAIL: HOST_CR3 2000000001007000: vmlaunch fails

FAIL: HOST_CR3 4000000001007000: vmlaunch fails
...

SUMMARY: 430013 tests, 2 unexpected failures, 2 expected failures, 5 skipped

FAIL vmx (430013 tests, 2 unexpected failures, 2 expected failures, 5 skipped)

[error.log](/uploads/02456b40f2736c0bf34d3f4b3a0c872a/error.log)