{"action":"opened","issue":{"url":"https://api.github.com/repos/ethereum-mining/ethminer/issues/57","repository_url":"https://api.github.com/repos/ethereum-mining/ethminer","labels_url":"https://api.github.com/repos/ethereum-mining/ethminer/issues/57/labels{/name}","comments_url":"https://api.github.com/repos/ethereum-mining/ethminer/issues/57/comments","events_url":"https://api.github.com/repos/ethereum-mining/ethminer/issues/57/events","html_url":"https://github.com/ethereum-mining/ethminer/issues/57","id":237619882,"number":57,"title":"Can't mine with GT 750M","user":{"login":"Gabande","id":26721325,"avatar_url":"https://avatars0.githubusercontent.com/u/26721325?v=3","gravatar_id":"","url":"https://api.github.com/users/Gabande","html_url":"https://github.com/Gabande","followers_url":"https://api.github.com/users/Gabande/followers","following_url":"https://api.github.com/users/Gabande/following{/other_user}","gists_url":"https://api.github.com/users/Gabande/gists{/gist_id}","starred_url":"https://api.github.com/users/Gabande/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Gabande/subscriptions","organizations_url":"https://api.github.com/users/Gabande/orgs","repos_url":"https://api.github.com/users/Gabande/repos","events_url":"https://api.github.com/users/Gabande/events{/privacy}","received_events_url":"https://api.github.com/users/Gabande/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-06-21T18:11:25Z","updated_at":"2017-06-21T18:11:25Z","closed_at":null,"body":"Hi I get errors if i want to mine. My setup is an I5-4200U and a GT750M 4GB \r\nI use the newest version with the following starting parameters (I've cut out my email and adress): \r\n\r\nFor cuda\r\n\r\n```\r\nsetx GPU_FORCE_64BIT_PTR 0\r\nsetx GPU_MAX_HEAP_SIZE 100\r\nsetx GPU_USE_SYNC_OBJECTS 1\r\nsetx GPU_MAX_ALLOC_PERCENT 100\r\nsetx GPU_SINGLE_ALLOC_PERCENT 100\r\n\r\nethminer.exe --farm-recheck 1000 -U -S eth-eu1.nanopool.org:9999 -FS eth-eu2.nanopool.org:9999 -O\r\n\r\n```\r\n\r\nFor openCL\r\n```\r\nsetx GPU_FORCE_64BIT_PTR 0\r\nsetx GPU_MAX_HEAP_SIZE 100\r\nsetx GPU_USE_SYNC_OBJECTS 1\r\nsetx GPU_MAX_ALLOC_PERCENT 100\r\nsetx GPU_SINGLE_ALLOC_PERCENT 100\r\n\r\nethminer.exe --farm-recheck 1000 -G --opencl-device 0 --opencl-platform 1  -S eth-eu1.nanopool.org:9999 -FS eth-eu2.nanopool.org:9999 -O\r\n```\r\n\r\nThe cuda version stops with this error\r\n```\r\nethminer.exe --farm-recheck 1000 -U -S eth-eu1.nanopool.org:9999 -FS eth-eu2.nanopool.org:9999 -O \r\nUsing grid size 8192, block size 128\r\n\r\n  i  20:00:43|main  Connecting to stratum server eth-eu1.nanopool.org:9999\r\n  i  20:00:43|stratum  Connected to stratum server eth-eu1.nanopool.org : 9999\r\n  i  20:00:43|stratum  Starting farm\r\n  i  20:00:43|stratum  Subscribed to stratum server\r\n  i  20:00:43|stratum  Authorized worker \r\n  i  20:00:43|stratum  Received new job #82d8e882\r\n  i  20:00:43|cudaminer0  set work; seed: #129656ac, target: #00000000dbe6\r\n  i  20:00:43|cudaminer0  Initialising miner...\r\n  m  20:00:44|main  Mining on PoWhash #82d8e882 : 0.00MH/s [A0+0:R0+0:F0]\r\n  m  20:00:45|main  Mining on PoWhash #82d8e882 : 0.00MH/s [A0+0:R0+0:F0]\r\nUsing device: GeForce GT 750M (Compute 3.0)\r\nGenerating DAG for GPU #0\r\n  m  20:00:46|main  Mining on PoWhash #82d8e882 : 0.00MH/s [A0+0:R0+0:F0]\r\n  m  20:00:47|main  Mining on PoWhash #82d8e882 : 0.00MH/s [A0+0:R0+0:F0]\r\n  i  20:00:48|stratum  Received new job #f7b4cb4c\r\nCuda error in func 'ethash_generate_dag' at line 129 : unspecified launch failure.\r\n```\r\n\r\nThe openCl version hangs at clEnqueueWriteBuffer(-4)\r\n\r\n```\r\nethminer.exe --farm-recheck 1000 -G --opencl-device 0 --opencl-platform 1  -S eth-eu1.nanopool.org:9999 -FS eth-eu2.nanopool.org:9999 -O \r\nFound suitable OpenCL device [GeForce GT 750M] with 4294967296 bytes of GPU memory\r\n  i  19:57:23|main  Connecting to stratum server eth-eu1.nanopool.org:9999\r\n  i  19:57:23|stratum  Connected to stratum server eth-eu1.nanopool.org : 9999\r\n  i  19:57:23|stratum  Starting farm\r\n  i  19:57:23|stratum  Subscribed to stratum server\r\n  i  19:57:23|stratum  Authorized worker \r\n  i  19:57:23|stratum  Received new job #a3ba96db\r\n  i  19:57:23|openclminer0  set work; seed: #129656ac, target: #00000000dbe6\r\n  i  19:57:23|openclminer0  Initialising miner...\r\n  m  19:57:24|main  Mining on PoWhash #a3ba96db : 0.00MH/s [A0+0:R0+0:F0]\r\n  m  19:57:25|main  Mining on PoWhash #a3ba96db : 0.00MH/s [A0+0:R0+0:F0]\r\n  i  19:57:25|stratum  Received new job #ae2b3c91\r\nUsing platform: NVIDIA CUDA\r\nUsing device: GeForce GT 750M(OpenCL 1.2 CUDA)\r\nPrinting program log\r\n\r\n\r\nCreating cache buffer\r\nCreating DAG buffer\r\nLoading kernels\r\nWriting cache buffer\r\nCreating buffer for header.\r\nCreating mining buffer 0\r\nCreating mining buffer 1\r\nGenerating DAG data\r\nclFinish(-36)\r\nclEnqueueWriteBuffer(-4)\r\n```"}}
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