sameer-kapoor opened a new issue #12802: Crash while loading libmxnet-scala.so URL: https://github.com/apache/incubator-mxnet/issues/12802 ## Description Random crashes while loading libmxnet-scala.so with both Mxnet 1.2.0 and 1.3.0 ## Environment info (Required) ``` Mxnet 1.3.0 CentOS Linux release 7.4.1708 JRE version: Java(TM) SE Runtime Environment (8.0_112-b15) (build 1.8.0_112-b15) ``` Package used: Scala For Scala user, please provide: 1. Java version: 1.8.0_112-b15 2. SBT version: 0.13 3. Scala runtime: 2.12 ## Build info (Required if built from source) Compiler (gcc/clang/mingw/visual studio): MXNet commit hash: b3be92f4a48bce62a5a8424271871c2f81c8f7f1 Build config: default config.mk ## Error Message: [2018-10-10 20:46:29,040] INFO - pool-1-thread-1 - NativeLibraryLoader - - Loading libmxnet-scala.so from /lib/native/ copying to mxnet-scala A fatal error has been detected by the Java Runtime Environment: SIGILL (0x4) at pc=0x00007fe87774dff4, pid=4035, tid=0x00007fe93039d700 JRE version: Java(TM) SE Runtime Environment (8.0_112-b15) (build 1.8.0_112-b15) Java VM: Java HotSpot(TM) 64-Bit Server VM (25.112-b15 mixed mode linux-amd64 compressed oops) Problematic frame: C [mxnet-scala+0x341aff4] mxnet::op::OperatorTune<mshadow::half::half_t>::Initialize()+0x2c4 Core dump written. Default location: /xyz/core or core.4035 An error report file with more information is saved as: /xyz/hs_err_pid4035.log ## Minimum reproducible example Random crash while loading libmxnet-scala.so This crash occurs while running Scala tests. During this time there are several times that libmxnet-scala.so is loaded and unloaded. ## Steps to reproduce (Paste the commands you ran that produced the error.) 1. 2. ## What have you tried to solve it? 1. Saw this in Mxnet 1.2.0 so tried upgrading to 1.3.0 but saw the same issue 2. Downgraded back to 1.1.0 and the issue disappears.
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