[ruby-core:96023] [Ruby master Bug#16380] OSX Segmentation fault at 0x0000000106e67698 / illegal hardware instruction rake install_latest

Issue #16380 has been updated by jeremyevans0 (Jeremy Evans).

Status changed from Open to Third Party's Issue

This error occurs in Oracle Instant Client:

```
/usr/lib/system/libsystem_platform.dylib(_sigtramp+0x1d) [0x7fff6968cb1d]
/Users/rok/instantclient_18_1/libclntshcore.dylib.18.1(sltsqKeyDestructorInt+0x68) [0x1065864b8]
/Users/rok/instantclient_18_1/libclntshcore.dylib.18.1(0x106586447) [0x106586447]
/usr/lib/system/libsystem_pthread.dylib(_pthread_tsd_cleanup+0x1dc) [0x7fff69695384]
```

Please discuss the issue with the Oracle Instant Client developers. If you can reproduce this without Oracle Instant Client, please post back with details.

----------------------------------------
Bug #16380: OSX Segmentation fault at 0x0000000106e67698 / illegal hardware instruction   rake install_latest
https://bugs.ruby-lang.org/issues/16380#change-82868

* Author: tiv (tilman voelker)
* Status: Third Party's Issue
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-darwin19]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------
Since a while we have across our team 4 or 5 developers who run often into "Segmentation fault" on OSX machines when running a rake script.

Problem:
We start the rake task and sometimes it stops with a **Segmentation fault**.

Environment:
ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-darwin19]
But it happens also on:
  ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin19]
  ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin19]
  ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin19]
  ruby 2.7.0preview1 (2019-05-31 trunk c55db6aa271df4a689dc8eb0039c929bf6ed43ff) [x86_64-darwin19]
  We have also tested some older Ruby versions without luck.

It happens only on some OSX machines (especially the new MacBooks but we had it also one older machine).

We use **RAKE**
We use **GIT** inside of rake
We use the Following GEMS:
``` ruby
gem 'colorize'
gem 'git'
gem 'highline'
gem 'os'
gem 'rake'
gem 'require_all'
gem 'ruby-oci8'
gem 'ruby-plsql'

gem 'json_spec'
gem 'nokogiri'
gem 'rspec'
gem 'rspec_junit_formatter'
gem 'rubocop'
gem 'rubocop-performance'
```

We are not able to reproduce the issue so far we have already tried multiple ideas in our Rake script and the investigation is going on ...






---Files--------------------------------
ruby_2019-11-28-121121_WMS111.crash (143 KB)
ruby-stacktrace (68.3 KB)


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