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Known Issues

Trouble Ticket No.

DTS2024062814246

Symptom

[Confidential computing virtCCA] [Power supply] [Long-term stability] Error "qemu-kvm: Failed to retrieve host CPU features" is reported during VM startup.

Severity

Minor

Workaround

If this problem occurs occasionally, only VM startup is affected. You can restart the confidential VM.

Solution

It is confirmed that the issue is caused by open source components and depends on the maintainers of the open source community for fixing. There is no specific solution.

Affected Domain

This problem occurs only when the host OS is openEuler 22.03 SP4 and the confidential VM is being taken up.

Trouble Ticket No.

DTS2024062813796

Symptom

[Confidential computing virtCCA] [Power supply] [Long-term stability] Error "qemu-kvm: failed to create scratch VCPU with SVE enabled" is reported during VM startup.

Severity

Minor

Workaround

If this problem occurs occasionally, only VM startup is affected. You can restart the confidential VM.

Solution

It is confirmed that the issue is caused by open source components and depends on the maintainers of the open source community for fixing. There is no specific solution.

Affected Domain

This problem occurs only when the host OS is openEuler 22.03 SP4 and the confidential VM is being taken up.