Is it possible to run the HD 6990? it would be great if somebody suggested how to do it
The following error swears on OpenCL

10:56:35:212   ac8   
10:56:35:212   ac8   ЙHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH»
10:56:35:212   ac8   є   Claymore's Dual Ethereum + Decred AMD GPU Miner  v3.0 Beta   є
10:56:35:228   ac8   ИHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHj
10:56:39:978   ac8   
Cards available: 4
10:56:39:994   ac8   GPU #0: name: Cayman, 2048 MB available, 24 units
10:56:39:994   ac8   GPU #1: name: Cayman, 2048 MB available, 24 units
10:56:39:994   ac8   GPU #2: name: Cayman, 2048 MB available, 24 units
10:56:39:994   ac8   GPU #3: name: Cayman, 2048 MB available, 24 units
10:56:40:009   ac8   Total cards: 4
10:56:40:009   ac8   Initializing...

10:56:40:025   ac8   POOL version
10:56:40:025   ac8   b112
10:57:02:337   ac8   GPU #0: set -etha as 1 (ETH algo for slow cards)
10:57:02:337   ac8   GPU #1: set -etha as 1 (ETH algo for slow cards)
10:57:02:509   ac8   GPU #2: set -etha as 1 (ETH algo for slow cards)
10:57:02:525   ac8   GPU #3: set -etha as 1 (ETH algo for slow cards)
10:57:03:244   ac8   DUAL MINING MODE ENABLED: ETHEREUM+DECRED

10:57:03:322   d0c   ETH: Stratum - connecting to 'coinotron.com' <178.217.186.125> port 3344
10:57:03:572   edc    DCR: Stratum - connecting to 'dcr.pool.mn' <136.243.50.159> port 4800
10:57:04:119   ac8   Decred HTTP requests time (-dcrt) is set to 10

10:57:04:119   ac8   miner-proxy stratum mode
10:57:04:134   ac8   "-allpools" option is set, default pools can be used for devfee, check "Readme" file for details.
10:57:04:134   ac8   

10:57:04:228   edc   send: {"id": 1, "method": "mining.subscribe", "params": ["dcr 1.0"]}


10:57:04:228   edc   send: {"id": 5, "method": "mining.extranonce.subscribe", "params": []}


10:57:04:228   edc   send: {"id": 2, "method": "mining.authorize", "params": ["dolinskii.6990","x"]}


10:57:04:228   edc    DCR: Stratum - Connected
10:57:04:228   d0c   send: {"id": 1, "method": "mining.subscribe", "params": []}


10:57:04:244   d0c   send: {"id": 2, "method": "mining.authorize", "params": ["dolinskii.miner2","x"]}


10:57:04:244   d0c   ETH: Stratum - Connected
10:57:04:353   edc   got 593 bytes
10:57:04:353   edc   buf: {"error": null, "id": 1, "result": [["mining.notify", "ae6812eb4cd7735a302a8a9dd95cf71f"], "00000000f8031078f8031078", 12]}
{"params": [1], "id": null, "method": "mining.set_difficulty"}
{"params": ["3f27", "3bf1ef1276719f0b45fa1577a9af97aa85be40a036d743e900002b6f00000000", "d48bbb19612c566bb3a2570479a2ed8914ece5965e1e13b1fb7ff3e6291c84f7bdfbfdbcfea3d5c b74590b70e14ca9fb806ada63245a1f6f275c0e76e584638c0100d930c9bd79c004000000b1ab00 000acf2b1ad1dd09ec00000000a051000019070000e90b17570000000000000000", "", [], "01000000", "1a2bcf0a", "57170be9", true], "id": null, "method": "mining.notify"}

10:57:04:353   edc   parse packet: 116
10:57:04:353   edc   remove first packet 451
10:57:04:353   edc   new buf size: 451
10:57:04:353   edc   parse packet: 58
10:57:04:353   edc   remove first packet 393
10:57:04:353   edc   new buf size: 393
10:57:04:353   edc   parse packet: 393
10:57:04:353   edc   new buf size: 0
10:57:04:369   d0c   got 107 bytes
10:57:04:369   d0c   buf: {"error": null, "id": 1, "result": [["mining.notify", "1ead3d0dd7d04684a698f6a680bf876f"], "080033DC", 4]}

10:57:04:369   d0c   parse packet: 99
10:57:04:369   d0c   new buf size: 0
10:57:04:494   d0c   got 343 bytes
10:57:04:494   d0c   buf: { "id": null, "method": "mining.set_difficulty", "params": [55000]}
{"params": ["41755", "0x9d8dc43e021223e8e44ba06cbbc5b03a9cd46304ee18a0700e532f87c02ad713","0x013d5197a3a035144a79e3e09dfec2505039ed176d81a0957e229886ddbee49b","0x00000001310A508148DF1ECB62908D334643D83B47C1251FE95C3C06679770B6", true], "id": null, "method": "mining.notify"}

10:57:04:494   d0c   parse packet: 62
10:57:04:494   d0c   remove first packet 268
10:57:04:494   d0c   new buf size: 268
10:57:04:494   d0c   parse packet: 268
10:57:04:494   d0c   eth: job changed
10:57:04:494   d0c   new buf size: 0
10:57:04:556   3a8   Need to check DAG file (epoch #45), starting...

10:57:04:806   d0c   got 101 bytes
10:57:04:806   d0c   buf: {"error": null, "id": 2, "result": true}
{ "id": 9876, "method": "client.get_version", "params": []}

10:57:04:806   d0c   parse packet: 36
10:57:04:806   d0c   Authorized
10:57:04:806   d0c   remove first packet 54
10:57:04:806   d0c   new buf size: 54
10:57:04:806   d0c   parse packet: 54
10:57:04:806   d0c   send: {"error": null, "jsonrpc": "id": 9876, "result": "eth 1.0"}


10:57:04:806   d0c   new buf size: 0
10:57:11:634   d0c   got 275 bytes
10:57:11:634   d0c   buf: {"params": ["41758", "0xc447cb2844cc09fbc169c4e0a5b2c19ca0f7f592c6be5de6e8126e3c6c052881","0x013d5197a3a035144a79e3e09dfec2505039ed176d81a0957e229886ddbee49b","0x00000001310A508148DF1ECB62908D334643D83B47C1251FE95C3C06679770B6", true], "id": null, "method": "mining.notify"}

10:57:11:634   d0c   parse packet: 268
10:57:11:634   d0c   eth: job changed
10:57:11:634   d0c   new buf size: 0
10:57:11:634   d0c   ETH: 04/20/16-10:57:11 - New job (target 0x00000001310a5081) from coinotron.com:3344
10:57:11:634   d0c   ETH - Total Speed: 0.000 Mh/s, Total Shares: 0, Rejected: 0, Time: 00:00
10:57:11:634   d0c   ETH: GPU0 0.000 Mh/s, GPU1 0.000 Mh/s, GPU2 0.000 Mh/s, GPU3 0.000 Mh/s
10:57:11:650   d0c    DCR - Total Speed: 0.000 Mh/s, Total Shares: 0, Rejected: 0
10:57:11:650   d0c    DCR: GPU0 0.000 Mh/s, GPU1 0.000 Mh/s, GPU2 0.000 Mh/s, GPU3 0.000 Mh/s
10:57:11:931   3a8   DAG file (epoch #45) is ok.

10:57:11:931   3a8   Need to check next DAG file (epoch #46) in background, starting...

10:57:11:931   3a8   Applying DAG epoch #45 for GPU #0
10:57:11:931   3a8   Create GPU buffer for GPU #0
10:57:11:931   3a8   OpenCL error - cannot allocate big buffer for DAG. Check readme.txt for possible solutions.

10:57:11:994   524   Applying DAG epoch #45 for GPU #1
10:57:11:994   524   Create GPU buffer for GPU #1
10:57:11:994   524   OpenCL error - cannot allocate big buffer for DAG. Check readme.txt for possible solutions.

10:57:11:994   e98   Applying DAG epoch #45 for GPU #2
10:57:12:009   e98   Create GPU buffer for GPU #2
10:57:12:009   e98   OpenCL error - cannot allocate big buffer for DAG. Check readme.txt for possible solutions.

10:57:12:009   db0   Applying DAG epoch #45 for GPU #3
10:57:12:009   db0   Create GPU buffer for GPU #3
10:57:12:025   db0   OpenCL error - cannot allocate big buffer for DAG. Check readme.txt for possible solutions.

10:57:14:353   edc   got 488 bytes
10:57:14:353   edc   buf: {"error": null, "id": 5, "result": true}
{"error": null, "id": 2, "result": true}
{"params": ["4171", "3bf1ef1276719f0b45fa1577a9af97aa85be40a036d743e900002b6f00000000", "90e8447c0d4e07664d047b2ad87b44f6903f4d7b2b0736d54100d7df42a2592ccce6230d782a8fa cafa27c5a09c14fe66e3e1d16f9f15d6e3314b8f3f50507740100d930c9bd79c004000000b1ab00 000acf2b1ad1dd09ec00000000a0510000b20a0000250c17570000000000000000", "", [], "01000000", "1a2bcf0a", "57170c25", true], "id": null, "method": "mining.notify"}

10:57:14:353   edc   parse packet: 36
10:57:14:353   edc   remove first packet 429
10:57:14:353   edc   new buf size: 429
10:57:14:353   edc   parse packet: 36
10:57:14:353   edc   Authorized
10:57:14:353   edc   remove first packet 393
10:57:14:353   edc   new buf size: 393
10:57:14:353   edc   parse packet: 393
10:57:14:353   edc   new buf size: 0
10:57:14:369   edc    DCR: 04/20/16-10:57:14 - New job (target 0x00000000ffff0000, block #20896) from dcr.pool.mn:4800
10:57:14:931   994   Applying DAG epoch #45 for GPU #0
10:57:14:931   994   OpenCL error - cannot write big buffer with DAG

10:57:15:009   d80   Applying DAG epoch #45 for GPU #1
10:57:15:009   d80   OpenCL error - cannot write big buffer with DAG

10:57:15:009   be4   Applying DAG epoch #45 for GPU #2
10:57:15:009   be4   OpenCL error - cannot write big buffer with DAG

10:57:15:087   8dc   Applying DAG epoch #45 for GPU #3
10:57:15:103   8dc   OpenCL error - cannot write big buffer with DAG

10:57:34:322   ac8   watchdog - thread 0, hb time 19235
10:57:34:353   ac8   watchdog - thread 1, hb time 19235
10:57:34:353   ac8   watchdog - thread 2, hb time 19235
10:57:34:353   ac8   watchdog - thread 3, hb time 19235
10:57:34:353   ac8   watchdog - thread 4, hb time 19235
10:57:34:353   ac8   watchdog - thread 5, hb time 19235
10:57:34:353   ac8   watchdog - thread 6, hb time 19235
10:57:34:353   ac8   watchdog - thread 7, hb time 19235
10:57:34:369   ac8   WATCHDOG: GPU error, you need to restart miner
10:57:34:369   ac8   Restarting OK, exit...