{"action":"created","issue":{"url":"https://api.github.com/repos/tensorflow/tensorflow/issues/5327","repository_url":"https://api.github.com/repos/tensorflow/tensorflow","labels_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/5327/labels{/name}","comments_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/5327/comments","events_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/5327/events","html_url":"https://github.com/tensorflow/tensorflow/issues/5327","id":186555294,"number":5327,"title":"Build error: Eigen/src/Core/arch/CUDA/PacketMathHalf.h(45): error: identifier \"__half2half2\" is undefined","user":{"login":"gokceneraslan","id":1140359,"avatar_url":"https://avatars.githubusercontent.com/u/1140359?v=3","gravatar_id":"","url":"https://api.github.com/users/gokceneraslan","html_url":"https://github.com/gokceneraslan","followers_url":"https://api.github.com/users/gokceneraslan/followers","following_url":"https://api.github.com/users/gokceneraslan/following{/other_user}","gists_url":"https://api.github.com/users/gokceneraslan/gists{/gist_id}","starred_url":"https://api.github.com/users/gokceneraslan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gokceneraslan/subscriptions","organizations_url":"https://api.github.com/users/gokceneraslan/orgs","repos_url":"https://api.github.com/users/gokceneraslan/repos","events_url":"https://api.github.com/users/gokceneraslan/events{/privacy}","received_events_url":"https://api.github.com/users/gokceneraslan/received_events","type":"User","site_admin":false},"labels":[{"id":473173351,"url":"https://api.github.com/repos/tensorflow/tensorflow/labels/type:build/install","name":"type:build/install","color":"c5def5","default":false}],"state":"open","locked":false,"assignee":{"login":"benoitsteiner","id":6969686,"avatar_url":"https://avatars.githubusercontent.com/u/6969686?v=3","gravatar_id":"","url":"https://api.github.com/users/benoitsteiner","html_url":"https://github.com/benoitsteiner","followers_url":"https://api.github.com/users/benoitsteiner/followers","following_url":"https://api.github.com/users/benoitsteiner/following{/other_user}","gists_url":"https://api.github.com/users/benoitsteiner/gists{/gist_id}","starred_url":"https://api.github.com/users/benoitsteiner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/benoitsteiner/subscriptions","organizations_url":"https://api.github.com/users/benoitsteiner/orgs","repos_url":"https://api.github.com/users/benoitsteiner/repos","events_url":"https://api.github.com/users/benoitsteiner/events{/privacy}","received_events_url":"https://api.github.com/users/benoitsteiner/received_events","type":"User","site_admin":false},"assignees":[{"login":"benoitsteiner","id":6969686,"avatar_url":"https://avatars.githubusercontent.com/u/6969686?v=3","gravatar_id":"","url":"https://api.github.com/users/benoitsteiner","html_url":"https://github.com/benoitsteiner","followers_url":"https://api.github.com/users/benoitsteiner/followers","following_url":"https://api.github.com/users/benoitsteiner/following{/other_user}","gists_url":"https://api.github.com/users/benoitsteiner/gists{/gist_id}","starred_url":"https://api.github.com/users/benoitsteiner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/benoitsteiner/subscriptions","organizations_url":"https://api.github.com/users/benoitsteiner/orgs","repos_url":"https://api.github.com/users/benoitsteiner/repos","events_url":"https://api.github.com/users/benoitsteiner/events{/privacy}","received_events_url":"https://api.github.com/users/benoitsteiner/received_events","type":"User","site_admin":false}],"milestone":null,"comments":10,"created_at":"2016-11-01T14:57:31Z","updated_at":"2016-11-04T05:33:36Z","closed_at":null,"body":"I'm getting the following errors when I try to build TensorFlow:\r\n\r\n```\r\nexternal/eigen_archive/unsupported/Eigen/CXX11/../../../Eigen/src/Core/arch/CUDA/PacketMathHalf.h(45): error: identifier \"__half2half2\" is undefined                                                                                                                   [136/14011]\r\nexternal/eigen_archive/unsupported/Eigen/CXX11/../../../Eigen/src/Core/arch/CUDA/PacketMathHalf.h(53): error: identifier \"__halves2half2\" is undefined\r\nexternal/eigen_archive/unsupported/Eigen/CXX11/../../../Eigen/src/Core/arch/CUDA/PacketMathHalf.h(57): error: identifier \"__halves2half2\" is undefined\r\nexternal/eigen_archive/unsupported/Eigen/CXX11/../../../Eigen/src/Core/arch/CUDA/PacketMathHalf.h(65): error: identifier \"__low2half\" is undefined\r\nexternal/eigen_archive/unsupported/Eigen/CXX11/../../../Eigen/src/Core/arch/CUDA/PacketMathHalf.h(66): error: identifier \"__high2half\" is undefined\r\nexternal/eigen_archive/unsupported/Eigen/CXX11/../../../Eigen/src/Core/arch/CUDA/PacketMathHalf.h(81): error: identifier \"__halves2half2\" is undefined\r\nexternal/eigen_archive/unsupported/Eigen/CXX11/../../../Eigen/src/Core/arch/CUDA/PacketMathHalf.h(88): error: identifier \"__halves2half2\" is undefined\r\n```\r\n\r\n### What related GitHub issues or StackOverflow threads have you found by searching the web for your problem?\r\nNothing.\r\n\r\n### Environment info\r\nOperating System:\r\nUbuntu 14.04.1\r\ngcc-4.8.4\r\nbazel 0.3.2\r\nTensorFlow: Master 6f7cf60a4158a6d\r\n\r\nInstalled version of CUDA and cuDNN: \r\n(please attach the output of `ls -l /path/to/cuda/lib/libcud*`):\r\ncuda: 7.5\r\ncudnn: 5.1.5\r\n```\r\n ❯ ls -lh /usr/local/cuda-7.5/lib64/libcud*\r\n-rw-r--r-- 1 root root 316K Aug  7  2015 /usr/local/cuda-7.5/lib64/libcudadevrt.a\r\nlrwxrwxrwx 1 root root   16 Aug  7  2015 /usr/local/cuda-7.5/lib64/libcudart.so -> libcudart.so.7.5\r\nlrwxrwxrwx 1 root root   18 Aug  7  2015 /usr/local/cuda-7.5/lib64/libcudart.so.7.5 -> libcudart.so.7.5.7\r\n-rwxr-xr-x 1 root root 375K Aug  7  2015 /usr/local/cuda-7.5/lib64/libcudart.so.7.5.7\r\n-rw-r--r-- 1 root root 704K Aug  7  2015 /usr/local/cuda-7.5/lib64/libcudart_static.a\r\n ❯ ls -lh /usr/local/cudnn-5.1/lib64 \r\nlrwxrwxrwx 1 root root  13 Oct 21 18:33 libcudnn.so -> libcudnn.so.5\r\nlrwxrwxrwx 1 root root  17 Oct 21 18:33 libcudnn.so.5 -> libcudnn.so.5.1.5\r\n-r-xr-xr-x 1 root root 76M Oct 21 18:33 libcudnn.so.5.1.5\r\n-r-xr-xr-x 1 root root 67M Oct 21 18:33 libcudnn_static.a\r\n\r\n```\r\n\r\nIf installed from binary pip package, provide:\r\n\r\n1. A link to the pip package you installed:\r\n2. The output from `python -c \"import tensorflow; print(tensorflow.__version__)\"`.\r\n\r\nIf installed from source, provide \r\n\r\n1. The commit hash (`git rev-parse HEAD`)\r\n6f7cf60a4158a6d7861dc1b41a6446b575153a2e\r\n2. The output of `bazel version`\r\n```\r\nBuild label: 0.3.2\r\nBuild target: bazel-out/local-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar\r\nBuild time: Fri Oct 7 17:25:10 2016 (1475861110)\r\nBuild timestamp: 1475861110\r\nBuild timestamp as int: 1475861110\r\n```\r\n\r\n### If possible, provide a minimal reproducible example (We usually don't have time to read hundreds of lines of your code)\r\n\r\n\r\n### What other attempted solutions have you tried?\r\n\r\n\r\n### Logs or other output that would be helpful\r\n(If logs are large, please upload as attachment or provide link).\r\n"},"comment":{"url":"https://api.github.com/repos/tensorflow/tensorflow/issues/comments/258348571","html_url":"https://github.com/tensorflow/tensorflow/issues/5327#issuecomment-258348571","issue_url":"https://api.github.com/repos/tensorflow/tensorflow/issues/5327","id":258348571,"user":{"login":"gokceneraslan","id":1140359,"avatar_url":"https://avatars.githubusercontent.com/u/1140359?v=3","gravatar_id":"","url":"https://api.github.com/users/gokceneraslan","html_url":"https://github.com/gokceneraslan","followers_url":"https://api.github.com/users/gokceneraslan/followers","following_url":"https://api.github.com/users/gokceneraslan/following{/other_user}","gists_url":"https://api.github.com/users/gokceneraslan/gists{/gist_id}","starred_url":"https://api.github.com/users/gokceneraslan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gokceneraslan/subscriptions","organizations_url":"https://api.github.com/users/gokceneraslan/orgs","repos_url":"https://api.github.com/users/gokceneraslan/repos","events_url":"https://api.github.com/users/gokceneraslan/events{/privacy}","received_events_url":"https://api.github.com/users/gokceneraslan/received_events","type":"User","site_admin":false},"created_at":"2016-11-04T05:33:36Z","updated_at":"2016-11-04T05:33:36Z","body":"No, it didn't fix it. But it seems there is something weird about my setup, because I also cannot reproduce it on another machine with same CUDA and cudnn."}}
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