Hi Kohei,

On 9/8/26 2:09 PM, Kohei Enju wrote:

[...]

>>
>> [1] RMM spec : https://support.arm.com/documentation/den0137/2-0bet3/
>> [2] This series: https://gitlab.arm.com/linux-arm/linux-cca.git cca/cca-host/fw_rmm/v17
>> [3] KVM CCA v17 integration branch: https://gitlab.arm.com/linux-arm/linux-cca.git cca/cca-host/kvm-integration/v17
>> [4] Gmem inplace conversion https://github.com/googleprodkernel/linux-cc/tree/guest_memfd-inplace-conversion-v12
>> [5] TF-RMM https://git.trustedfirmware.org/TF-RMM/tf-rmm.git main (commit: 134266ae)
> 
> I understand that QEMU-virt is not intended to model a realistic
> production platform and that QEMU-SBSA is generally preferred. However,
> I sometimes use QEMU-virt to test functionality quickly because it runs
> slightly faster than QEMU-SBSA.
> 
> I tested this series with QEMU-virt and found that RMM initialization
> failed during boot:
> 
>    [...]
>    INFO:    BL31: Initializing RMM
>    INFO:    RMM init start.
>    ERROR:   RMM init failed: -8
>    WARNING: BL31: RMM initialization failed
> 
I also ran into same issue and attached TF-A patch leads to a successful
RMM initialization, please have a try to see if it can resolve your issue.


Thanks,
Gavin