(In reply to Marek Olšák from comment #10)
> Created attachment 111036 [details] [review] [review]
> possible fix for VM faults
> 
> Does this patch fix the VM faults?

I don't think it does for me. I still get

radeon 0000:01:00.0: GPU fault detected: 147 0x0342c401
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0FF0081A
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x020C4001
VM fault (0x01, vmid 1) at page 267388954, read from TC (196)
radeon 0000:01:00.0: GPU fault detected: 147 0x03424401
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0FF0081A
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x02044001
VM fault (0x01, vmid 1) at page 267388954, read from TC (68)
radeon 0000:01:00.0: GPU fault detected: 147 0x03428401
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0FF0081A
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x02084001
VM fault (0x01, vmid 1) at page 267388954, read from TC (132)
radeon 0000:01:00.0: GPU fault detected: 147 0x03420401
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0FF0081A
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x02004001
VM fault (0x01, vmid 1) at page 267388954, read from TC (4)
radeon 0000:01:00.0: GPU fault detected: 147 0x03428401
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0FF0081A
radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x02084001
VM fault (0x01, vmid 1) at page 267388954, read from TC (132)