Error initializing iommuv2

Hellp me
IMG_20191215_085845
kfd kfd: error getting iommu info. is the iommu enabled?
kfd kfd: Error initializing iommuv2 for device 1002:9874
kfd kfd: device 1002:100:9874 NOT added due to errors
I cannot leave this screen,i have a asrock fm2a68m-hd please help me

Does your BIOS support IOMMUv2? If so, is it enabled? If there's nothing in your BIOS related to it, you can safely ignore the error.

Also, instead of posting photos or screenshots, post the output of:

sudo journalctl -p 3 -xb

Also please see:

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