Hi,
- Miner crashed and I cannot restart it until reboot.
Often when OpenCL fails, you have to reboot the system, not just restart miner. Sometimes even soft reboot won't work and you have to press Reset button. It is because the fail is at drivers level, Windows does not like such things and drivers too.
I avoid the hard reset(reset button) with this windows tool "NotMyFault", where you can purposely crash your system and reboot this way

this occured after the devfee switch....
16:54:24:829 14b4 send: devfee auth
16:54:24:829 14b4 DevFee: NS: Stratum - Connected (neoscrypt.eu.nicehash.com:3341)
16:54:24:845 1550 GPU #1: gfx900 (687F:C3), 8176 MB available, 64 compute units (pci bus 16:0:0)
16:54:24:845 1550 GPU #2: gfx900 (687F:C3), 8176 MB available, 64 compute units (pci bus 19:0:0)
16:54:24:845 1704 ADL: Cannot find any AMD adapters
16:54:24:845 1550 NS - Total Speed: 0.000 Mh/s, Total Shares: 197(71+71+61), Rejected: 2(1+1+0), Time: 00:34
16:54:24:845 1550 NS: GPU0 0.000 Mh/s, GPU1 0.000 Mh/s, GPU2 0.000 Mh/s
16:54:24:845 1550 Incorrect NS shares: none
16:54:24:845 1550 1 minute average NS total speed: 0.000 Mh/s
16:54:24:845 1550 Pool switches: NS - 0
16:54:24:892 1550 ADL: Cannot find any AMD adapters
16:54:24:892 1550
16:54:24:939 14b4 got 93 bytes
16:54:24:939 14b4 buf: {"id":1,"error":null,"result":[["mining.notify","b29e10efef4a538a44aba66d793733af"],"39",3]}
16:54:24:939 14b4 parse packet: 92
16:54:24:939 14b4 new buf size: 0
16:54:24:955 14b4 got 36 bytes
16:54:24:955 14b4 buf: {"id":2,"result":true,"error":null}
16:54:24:955 14b4 parse packet: 35
16:54:24:955 14b4 NS: Authorized
16:54:24:955 14b4 new buf size: 0
16:54:24:970 14b4 got 572 bytes
16:54:24:970 14b4 buf: {"id":null,"method":"mining.set_difficulty","params":[8192]}
{"params":["00000021b7f9eb34","755daa961a894532c6d05a01c61229947a54de747e3cee5c0011b8e200000000","01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff20032f0701048c20b15a086800001a","0d2f6e6f64655374726174756d2f00000000028017b42c000000001976a914b30b8f6d0f255e1b0d9f36fa33917049a175ad5d88ac8017b42c000000001976a914267eaee46c4a889d75e4348e453fe6dc2e60debc88ac00000000",[],"20000000","1b33e986","5ab1208c",true],"id":null,"method":"mining.notify"}
{"id":5,"result":true,"error":null}
16:54:24:970 14b4 parse packet: 60
16:54:24:970 14b4 remove first packet 511
16:54:24:970 14b4 new buf size: 511
16:54:24:970 14b4 parse packet: 474
16:54:24:970 14b4 remove first packet 36
16:54:24:970 14b4 new buf size: 36
16:54:24:970 14b4 parse packet: 35
16:54:24:970 14b4 new buf size: 0
16:54:24:970 14b4 DevFee: start mining
16:54:26:080 1704 Restarting OK, exit...
and sometimes
09:03:42:596 9d8 parse packet: 437
09:03:42:596 9d8 new buf size: 0
09:03:42:596 9d8 NS: 03/20/18-09:03:42 - New job from neoscrypt.eu1.unimining.net:4236
09:03:42:596 9d8 target: 0x0000002192c10c97 (diff: 127MH)
09:03:42:596 9d8 NS - Total Speed: 5.579 Mh/s, Total Shares: 902, Rejected: 10, Time: 04:13
09:03:42:596 9d8 NS: GPU0 1.834 Mh/s, GPU1 1.895 Mh/s, GPU2 1.851 Mh/s
09:03:45:330 d88 ADL: Cannot find any AMD adapters
09:03:48:409 d88 ADL: Cannot find any AMD adapters
09:03:51:487 d88 ADL: Cannot find any AMD adapters
09:03:52:378 ad0 em hbt: 15, fm hbt: 31,
09:03:52:378 ad0 watchdog - thread 0 (gpu0), hb time 62
09:03:52:378 ad0 watchdog - thread 1 (gpu0), hb time 281
09:03:52:378 ad0 watchdog - thread 2 (gpu1), hb time 3672
09:03:52:378 ad0 watchdog - thread 3 (gpu1), hb time 3469
09:03:52:378 ad0 watchdog - thread 4 (gpu2), hb time 234
09:03:52:378 ad0 watchdog - thread 5 (gpu2), hb time 31
09:03:54:565 d88 ADL: Cannot find any AMD adapters
09:03:57:644 d88 ADL: Cannot find any AMD adapters
09:03:59:519 9d8 got 504 bytes
09:03:59:519 9d8 buf: {"id":null,"method":"mining.notify","params":["217","e2e083c8d6d27f0016ad3d94d739d085eba983dfdf4fc779000d9e1100000000","01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1803810601045eb2b05a08","7969696d700000000000021c26b42c000000001976a914a7dab8f8714a49a1e6613726ad25bdfa50f0479d88ac1c26b42c000000001976a9146c6a9d3a32b854515ca74b8085d760eefda02f1288ac00000000",["e4cfc2d6d6b2c4ddec98158cd120f0a57123b781425666f2f5979b5f7f5f1d3d"],"20000000","1b1ea78e","5ab0b25e",true]}
09:03:59:519 9d8 parse packet: 503
09:03:59:519 9d8 new buf size: 0
09:03:59:519 9d8 NS: 03/20/18-09:03:59 - New job from neoscrypt.eu1.unimining.net:4236
09:03:59:519 9d8 target: 0x0000002192c10c97 (diff: 127MH)
09:03:59:519 9d8 NS - Total Speed: 3.686 Mh/s, Total Shares: 902, Rejected: 10, Time: 04:13
09:03:59:519 9d8 NS: GPU0 1.831 Mh/s, GPU1 0.000 Mh/s, GPU2 1.855 Mh/s
09:04:00:707 d88 ADL: Cannot find any AMD adapters
09:04:03:785 d88 ADL: Cannot find any AMD adapters
09:04:06:864 d88 ADL: Cannot find any AMD adapters
09:04:09:942 d88 ADL: Cannot find any AMD adapters
09:04:13:020 d88 ADL: Cannot find any AMD adapters
09:04:13:052 d88 ADL: Cannot find any AMD adapters
09:04:16:130 d88 ADL: Cannot find any AMD adapters
09:04:19:209 d88 ADL: Cannot find any AMD adapters
09:04:20:568 9d8 got 571 bytes
09:04:20:568 9d8 buf: {"id":null,"method":"mining.notify","params":["218","e2e083c8d6d27f0016ad3d94d739d085eba983dfdf4fc779000d9e1100000000","01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff18038106010473b2b05a08","7969696d70000000000002ea3eb42c000000001976a914a7dab8f8714a49a1e6613726ad25bdfa50f0479d88acea3eb42c000000001976a9146c6a9d3a32b854515ca74b8085d760eefda02f1288ac00000000",["75532860cf5c7402029553aa9a033c8f8e6affb2833adaec05394a851cda5472","7cf3b9ab29831fe794d84af16876922c40ac7f469b17feaf864d5b6084167179"],"20000000","1b1ea78e","5ab0b273",true]}
09:04:20:568 9d8 parse packet: 570
09:04:20:568 9d8 new buf size: 0
09:04:20:568 9d8 NS: 03/20/18-09:04:20 - New job from neoscrypt.eu1.unimining.net:4236
09:04:20:568 9d8 target: 0x0000002192c10c97 (diff: 127MH)
09:04:20:568 9d8 NS - Total Speed: 3.688 Mh/s, Total Shares: 902, Rejected: 10, Time: 04:14
09:04:20:568 9d8 NS: GPU0 1.833 Mh/s, GPU1 0.000 Mh/s, GPU2 1.855 Mh/s
09:04:22:287 d88 ADL: Cannot find any AMD adapters
09:04:23:084 3bc NS: put share nonce 5cb31
09:04:23:084 3bc NS round found 1 shares
09:04:23:100 9d8 NS: 03/20/18-09:04:23 - SHARE FOUND - (GPU 0)
09:04:23:100 9d8 send: {"params": ["GJpyzQ6uqCDv1DuRqJuvTCzn52sfW9bCx1", "218", "19000000", "5ab0b273", "0005cb31"], "id": 10, "method": "mining.submit"}
09:04:23:162 9d8 got 37 bytes
09:04:23:162 9d8 buf: {"id":10,"result":true,"error":null}
09:04:23:162 9d8 parse packet: 36
09:04:23:162 9d8 NS: Share accepted!
09:04:23:162 9d8 new buf size: 0
09:04:25:194 ad0 em hbt: 15, fm hbt: 31,
09:04:25:194 ad0 watchdog - thread 0 (gpu0), hb time 172
09:04:25:194 ad0 watchdog - thread 1 (gpu0), hb time 390
09:04:25:194 ad0 watchdog - thread 2 (gpu1), hb time 36500
09:04:25:194 ad0 watchdog - thread 3 (gpu1), hb time 36297
09:04:25:194 ad0 watchdog - thread 4 (gpu2), hb time 312
09:04:25:194 ad0 watchdog - thread 5 (gpu2), hb time 109
09:04:25:366 d88 ADL: Cannot find any AMD adapters
09:04:28:444 d88 ADL: Cannot find any AMD adapters
09:04:31:522 d88 ADL: Cannot find any AMD adapters
09:04:34:601 d88 ADL: Cannot find any AMD adapters
09:04:37:679 d88 ADL: Cannot find any AMD adapters
09:04:40:742 d88 ADL: Cannot find any AMD adapters
09:04:41:617 9d8 got 571 bytes
09:04:41:617 9d8 buf: {"id":null,"method":"mining.notify","params":["219","e2e083c8d6d27f0016ad3d94d739d085eba983dfdf4fc779000d9e1100000000","01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff18038106010488b2b05a08","7969696d70000000000002c05eb42c000000001976a914a7dab8f8714a49a1e6613726ad25bdfa50f0479d88acc05eb42c000000001976a9146c6a9d3a32b854515ca74b8085d760eefda02f1288ac00000000",["3ae4dcaa776999003a7da40a0cb050994afd796d9fb39b9a7cee2947900acdbc","fc464d8e7c513ff1a7560000748e6973af6e6afba30099de4affe47916948933"],"20000000","1b1ea78e","5ab0b288",true]}
09:04:41:617 9d8 parse packet: 570
09:04:41:617 9d8 new buf size: 0
09:04:41:617 9d8 NS: 03/20/18-09:04:41 - New job from neoscrypt.eu1.unimining.net:4236
09:04:41:617 9d8 target: 0x0000002192c10c97 (diff: 127MH)
09:04:41:617 9d8 NS - Total Speed: 3.684 Mh/s, Total Shares: 903, Rejected: 10, Time: 04:14
09:04:41:617 9d8 NS: GPU0 1.832 Mh/s, GPU1 0.000 Mh/s, GPU2 1.852 Mh/s
09:04:43:821 d88 ADL: Cannot find any AMD adapters
Please help, where should i look for the problem ? risers ? cards ? miner ? drivers ? OverdriveNTool settings ?
edit:
lowering memory clock helped...