tried a new graft algorithm
I post a log
[2019-03-06 16:49:33] Startup monitor attached
[2019-03-06 16:49:33] Miner version: 1.8.0
[2019-03-06 16:49:33] Windows version: 10.0 build 16299
[2019-03-06 16:49:33] Video driver version: 22.19.659.0
[2019-03-06 16:49:36] AMD Platform ID: 0
[2019-03-06 16:49:36] AMD platform FOUND
[2019-03-06 16:49:36] Found 6 AMD devices
[2019-03-06 16:49:36] CPU AES-NI: FALSE
[2019-03-06 16:49:36] GPU0: AMD Radeon R7 200 Series [pitcairn] [2048 MB][I: 15.0][W: 16][T: 2][F: 8][BUS: 8]
[2019-03-06 16:49:36] GPU1: Radeon(TM) RX 460 Graphics [baffin] [2048 MB][I: 15.0][W: 16][T: 2][F: 8][BUS: 4]
[2019-03-06 16:49:36] GPU2: AMD Radeon R7 200 Series [bonaire] [2048 MB][I: 11.0][W: 8][T: 2][F: 8][BUS: 10]
[2019-03-06 16:49:36] GPU3: AMD Radeon (TM) R7 370 Series [pitcairn] [2048 MB][I: 15.0][W: 16][T: 2][F: 8][BUS: 9]
[2019-03-06 16:49:36] GPU4: AMD Radeon (TM) R7 370 Series [pitcairn] [2048 MB][I: 15.0][W: 16][T: 2][F: 8][BUS: 11]
[2019-03-06 16:49:36] GPU5: Radeon(TM) RX 460 Graphics [baffin] [2048 MB][I: 12.0][W: 8][T: 2][F: 8][BUS: 1]
[2019-03-06 16:49:36] ADL is enabled
[2019-03-06 16:49:36] NOT using any of the recommended drivers: Adrenalin 18.5.1, 18.5.2 or 18.6.1
[2019-03-06 16:49:36] Algorithm: Cryptonight Graft
[2019-03-06 16:49:36] Algo switching: disabled
[2019-03-06 16:49:36] Startup monitor: enabled
[2019-03-06 16:49:36] Gpu watchdog: enabled [gpu disable mode]
[2019-03-06 16:49:36] Coin forking: disabled
[2019-03-06 16:49:36] Starting init of mining threads
[2019-03-06 16:49:36] Created OCL context
[2019-03-06 16:49:36] Using fragments 8 for DeviceID 0 (Thread 0)
[2019-03-06 16:49:36] Using heavy_mode 1 for DeviceID 0 (Thread 0)
[2019-03-06 16:49:36] Using thread_delay 319 for DeviceID 0 (Thread 0)
[2019-03-06 16:49:37] Created OCL input buffer for DeviceID 0 (Thread 0)
[2019-03-06 16:49:37] ctx->headers[0] created for DeviceID 0 (Thread 0)
[2019-03-06 16:49:37] ctx->Program created for DeviceID 0 (Thread 0)
[2019-03-06 16:49:37] Compiling [graft] kernel for DEVICE BUS_ID[8]
[2019-03-06 16:49:38] Error CL_INVALID_KERNEL_NAME when creating kernel aи¬ for DeviceID 0 (Thread 0)
[2019-03-06 16:49:38] Error initing GPU's. Stopping miner process
[2019-03-06 16:49:38] Stopping miner process

tried
 on testnet.graft.community