Issue #10580 has been reported by Vit Ondruch.

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Bug #10580: TestProcess#test_deadlock_by_signal_at_forking fails on ARM
https://bugs.ruby-lang.org/issues/10580

* Author: Vit Ondruch
* Status: Open
* Priority: Normal
* Assignee: Akira Tanaka
* Category: 
* Target version: 
* ruby -v: ruby 2.2.0dev (2014-12-08 trunk 48741)
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN
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Testing with Fedora Rawhide:

~~~
  1) Error:
TestProcess#test_deadlock_by_signal_at_forking:
Timeout::Error: execution of assert_separately expired
    /builddir/build/BUILD/ruby-2.2.0-r48741/test/ruby/test_process.rb:1921:in `test_deadlock_by_signal_at_forking'
~~~




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