for some reason latest release start showing :
[ 88.973154] amdgpu 0000:01:00.0: VM fault (0x02, vmid 1) at page 1867826, read from 'TC4' (0x54433400) (72)
[ 88.973618] amdgpu 0000:01:00.0: GPU fault detected: 147 0x00088802
[ 88.974071] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001EF614
[ 88.974520] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x02048002
[ 88.974958] amdgpu 0000:01:00.0: VM fault (0x02, vmid 1) at page 2029076, read from 'TC4' (0x54433400) (72)
[ 88.975408] amdgpu 0000:01:00.0: GPU fault detected: 147 0x0e004802
[ 88.975856] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001EB48E
[ 88.976316] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x02088002
[ 88.976774] amdgpu 0000:01:00.0: VM fault (0x02, vmid 1) at page 2012302, read from 'TC6' (0x54433600) (136)
[ 88.977253] amdgpu 0000:01:00.0: GPU fault detected: 147 0x04984802
[ 88.977728] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x001C293B
[ 88.978207] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x02088002
[ 88.978679] amdgpu 0000:01:00.0: VM fault (0x02, vmid 1) at page 1845563, read from 'TC6' (0x54433600) (136)
[ 88.979507] amdgpu 0000:01:00.0: IH ring buffer overflow (0x000878E0, 0x00008370, 0x000078F0)
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Then Reboot but doesnt Boot ! 2 Rigs at the same day start doing it on 14/ May - its been working fine since 8 months no change to overlocking or miner versions
this happens usually if a riser is faulty or if your OC is to strong.