GPU crash since "Perf and mem usage improvements silentarmy kernel" commit

[ghost]

zcash-miner crashes my GPU on startup since commit 9a64575. Had to revert to commit f19efc3 as a temporal solution.

Ubuntu 16.04 LTS
1x AMD RX480 GPU
single instance of zcash-miner

Nov 2 20:48:43 x200 kernel: [220126.577020] amdgpu 0000:01:00.0: IH ring buffer overflow (0x00080970, 0x000005D0, 0x00000980)
Nov 2 20:48:43 x200 kernel: [220126.577029] amdgpu 0000:01:00.0: GPU fault detected: 146 0x07024414
Nov 2 20:48:43 x200 kernel: [220126.577032] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x0014B21C
Nov 2 20:48:43 x200 kernel: [220126.577035] amdgpu 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0D008014
Nov 2 20:48:43 x200 kernel: [220126.577038] VM fault (0x14, vmid 6) at page 1356316, write from 'TC0' (0x54433000) (8)

[snip]

[omaralvarez]

Sorry to hear that, will look into this issues when I can.