In kernel backtrace it says in md_thread->raid5d and ends in hisi_dma timeout. I will try to find out how raid uses dma engine and see if there is any function loss but performance downgrade with dmaengine off.
In kernel backtrace it says in md_thread->raid5d and ends in hisi_dma timeout. I will try to find out how raid uses dma engine and see if there is any function loss but performance downgrade with dmaengine off.