{"action":"created","issue":{"url":"https://api.github.com/repos/ethereum/cpp-ethereum/issues/2846","labels_url":"https://api.github.com/repos/ethereum/cpp-ethereum/issues/2846/labels{/name}","comments_url":"https://api.github.com/repos/ethereum/cpp-ethereum/issues/2846/comments","events_url":"https://api.github.com/repos/ethereum/cpp-ethereum/issues/2846/events","html_url":"https://github.com/ethereum/cpp-ethereum/issues/2846","id":101302724,"number":2846,"title":"Gpu mining problem on Windows","user":{"login":"zikilemini","id":13823702,"avatar_url":"https://avatars.githubusercontent.com/u/13823702?v=3","gravatar_id":"","url":"https://api.github.com/users/zikilemini","html_url":"https://github.com/zikilemini","followers_url":"https://api.github.com/users/zikilemini/followers","following_url":"https://api.github.com/users/zikilemini/following{/other_user}","gists_url":"https://api.github.com/users/zikilemini/gists{/gist_id}","starred_url":"https://api.github.com/users/zikilemini/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zikilemini/subscriptions","organizations_url":"https://api.github.com/users/zikilemini/orgs","repos_url":"https://api.github.com/users/zikilemini/repos","events_url":"https://api.github.com/users/zikilemini/events{/privacy}","received_events_url":"https://api.github.com/users/zikilemini/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-08-16T21:48:34Z","updated_at":"2015-08-16T22:17:01Z","closed_at":"2015-08-16T22:10:13Z","body":"Hello,\r\n\r\nI'm trying to mine with geth and ethminer. When i mine with my CPU everything works fine (but a bit slow). But when i'm trying to mine with my gpu it say that to me : \r\n\"\r\nE:\\Ethereum\\Release>ethminer -G\r\nFound suitable OpenCL device [Pitcairn] with 2147483648 bytes of GPU memory\r\nminer  23:46:36|main  Getting work package...\r\nminer  23:46:36|main  Grabbing DAG for #356e5a2cÔÇª\r\n  i  23:46:36|<unknown>  Loading full DAG of seedhash: #b903bd76ÔÇª\r\nminer  23:46:36|main  Got work package:\r\nminer  23:46:36|main    Header-hash: 502fb2cac3f8a1d490f507383fea7e8f74a5cc117ce20c8ba689fddb7e2732cb\r\nminer  23:46:36|main    Seedhash: 356e5a2cc1eba076e650ac7473fccc37952b46bc2e419a200cec0c451dce2336\r\nminer  23:46:36|main    Target: 000000000049519dfe4dd96a2329ed0cceeab7e2ccbb6a758a662dda28ecc9c0\r\n  i  23:46:36|gpuminer0  workLoop 0 #00000000ÔÇª #356e5a2cÔÇª\r\n  i  23:46:36|gpuminer0  Initialising miner...\r\nminer  23:46:37|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 0.5 s\r\nUsing platform: AMD Accelerated Parallel Processing\r\n  i  23:46:37|<unknown>  Full DAG loaded\r\nUsing device: Pitcairn(OpenCL 1.2 AMD-APP (1084.4))\r\nminer  23:46:38|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 1.27 s\r\nminer  23:46:38|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 1.773 s\r\nminer  23:46:39|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 2.277 s\r\nPrinting program log\r\nLOOP UNROLL: pragma unroll (line 266)\r\n    Unrolled as requested!\r\nLOOP UNROLL: pragma unroll (line 361)\r\n    Unrolled as requested!\r\nLOOP UNROLL: pragma unroll (line 361)\r\n    Unrolled as requested!\r\nLOOP UNROLL: pragma unroll (line 300)\r\n    Unrolled as requested!\r\nLOOP UNROLL: pragma unroll (line 300)\r\n    Unrolled as requested!\r\n\r\nCreating one big buffer for the DAG\r\nAllocating/mapping single buffer failed with: clCreateBuffer(-61). GPU can't allocate the DAG in a single chunk. Bailing.\r\nclEnqueueWriteBuffer(-38)\r\nminer  23:46:39|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 2.781 s\r\nminer  23:46:40|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 3.288 s\r\nminer  23:46:40|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 3.795 s\r\n\r\n[...]\r\n\r\nminer  23:47:08|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 31.205 s\r\nminer  23:47:08|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 31.712 s\r\nminer  23:47:09|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 32.22 s\r\nminer  23:47:09|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 32.728 s\r\nminer  23:47:10|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 33.236 s\r\nminer  23:47:10|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 33.744 s\r\nminer  23:47:11|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 34.252 s\r\nminer  23:47:11|main  Mining on PoWhash #502fb2caÔÇª : 0 H/s = 0 hashes / 34.76 s\r\nminer  23:47:11|main  Got work package:\r\nminer  23:47:11|main    Header-hash: f04234c486d10365ba1d7b84725ca57414db3a4ea8a6a612f5935531312cee2d\r\nminer  23:47:11|main    Seedhash: 356e5a2cc1eba076e650ac7473fccc37952b46bc2e419a200cec0c451dce2336\r\nminer  23:47:11|main    Target: 0000000000495ac95778c22637a0086ccd45dc35eaf04d9219ea1f0ff1a7b1ee\"\r\n\r\nAnd say no more. Somebody have the same issue ?"},"comment":{"url":"https://api.github.com/repos/ethereum/cpp-ethereum/issues/comments/131633204","html_url":"https://github.com/ethereum/cpp-ethereum/issues/2846#issuecomment-131633204","issue_url":"https://api.github.com/repos/ethereum/cpp-ethereum/issues/2846","id":131633204,"user":{"login":"zikilemini","id":13823702,"avatar_url":"https://avatars.githubusercontent.com/u/13823702?v=3","gravatar_id":"","url":"https://api.github.com/users/zikilemini","html_url":"https://github.com/zikilemini","followers_url":"https://api.github.com/users/zikilemini/followers","following_url":"https://api.github.com/users/zikilemini/following{/other_user}","gists_url":"https://api.github.com/users/zikilemini/gists{/gist_id}","starred_url":"https://api.github.com/users/zikilemini/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zikilemini/subscriptions","organizations_url":"https://api.github.com/users/zikilemini/orgs","repos_url":"https://api.github.com/users/zikilemini/repos","events_url":"https://api.github.com/users/zikilemini/events{/privacy}","received_events_url":"https://api.github.com/users/zikilemini/received_events","type":"User","site_admin":false},"created_at":"2015-08-16T22:17:01Z","updated_at":"2015-08-16T22:17:01Z","body":"But my memori card ave 2 Go !"}}