{"action":"created","issue":{"url":"https://api.github.com/repos/dmlc/mxnet/issues/1097","repository_url":"https://api.github.com/repos/dmlc/mxnet","labels_url":"https://api.github.com/repos/dmlc/mxnet/issues/1097/labels{/name}","comments_url":"https://api.github.com/repos/dmlc/mxnet/issues/1097/comments","events_url":"https://api.github.com/repos/dmlc/mxnet/issues/1097/events","html_url":"https://github.com/dmlc/mxnet/issues/1097","id":124160407,"number":1097,"title":"report a bug(?) for CSV iterator","user":{"login":"mazeLinx","id":4373620,"avatar_url":"https://avatars.githubusercontent.com/u/4373620?v=3","gravatar_id":"","url":"https://api.github.com/users/mazeLinx","html_url":"https://github.com/mazeLinx","followers_url":"https://api.github.com/users/mazeLinx/followers","following_url":"https://api.github.com/users/mazeLinx/following{/other_user}","gists_url":"https://api.github.com/users/mazeLinx/gists{/gist_id}","starred_url":"https://api.github.com/users/mazeLinx/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mazeLinx/subscriptions","organizations_url":"https://api.github.com/users/mazeLinx/orgs","repos_url":"https://api.github.com/users/mazeLinx/repos","events_url":"https://api.github.com/users/mazeLinx/events{/privacy}","received_events_url":"https://api.github.com/users/mazeLinx/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-12-29T04:03:50Z","updated_at":"2016-04-11T17:39:08Z","closed_at":null,"body":"hi, \r\n\r\nI use csv iterator to train a sample model. I find that some specific batch sizes will cause training crash. \r\n\r\nIt crashes when the batch size is 100, 256, 512, 1024, 2048, while it works for 3072.\r\n\r\nerror logs:\r\n what():  [12:43:14] src/io/iter_csv.cc:86: Check failed: label_parser_->Next() Data CSV's row is smaller than the number of rows in label_csv\r\n\r\nThe data format and similar issue is also reported here, https://github.com/dmlc/mxnet/issues/1088 \r\n\r\nHere is a screenshot of this issue.![bug](https://cloud.githubusercontent.com/assets/4373620/12029361/fd072ee6-ae23-11e5-8460-6a9d9d70611a.png)"},"comment":{"url":"https://api.github.com/repos/dmlc/mxnet/issues/comments/208467504","html_url":"https://github.com/dmlc/mxnet/issues/1097#issuecomment-208467504","issue_url":"https://api.github.com/repos/dmlc/mxnet/issues/1097","id":208467504,"user":{"login":"kris-cognitiv","id":16085698,"avatar_url":"https://avatars.githubusercontent.com/u/16085698?v=3","gravatar_id":"","url":"https://api.github.com/users/kris-cognitiv","html_url":"https://github.com/kris-cognitiv","followers_url":"https://api.github.com/users/kris-cognitiv/followers","following_url":"https://api.github.com/users/kris-cognitiv/following{/other_user}","gists_url":"https://api.github.com/users/kris-cognitiv/gists{/gist_id}","starred_url":"https://api.github.com/users/kris-cognitiv/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kris-cognitiv/subscriptions","organizations_url":"https://api.github.com/users/kris-cognitiv/orgs","repos_url":"https://api.github.com/users/kris-cognitiv/repos","events_url":"https://api.github.com/users/kris-cognitiv/events{/privacy}","received_events_url":"https://api.github.com/users/kris-cognitiv/received_events","type":"User","site_admin":false},"created_at":"2016-04-11T17:39:08Z","updated_at":"2016-04-11T17:39:08Z","body":"same error. doesn't even throw an exception, just aborts. "}}