BogdanovKirill commented on issue #11458: Multithreading error. URL: https://github.com/apache/incubator-mxnet/issues/11458#issuecomment-552760837 It seems that this problem is connected with: https://github.com/apache/incubator-mxnet/issues/10948 I could say that when your program start another child process (any type of process, even something like "ps aux") in linux it could lead to hangs in MXPredSetInput/MXPredGetOutput in another thread. Locking could help to avoid this bug.
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