From: "hsbt (Hiroshi SHIBATA) via ruby-core" <ruby-core@...>
Date: 2025-03-28T03:32:40+00:00
Subject: [ruby-core:121465] [Ruby Bug#21204] `TestEtc#test_ractor_parallel` is still flaky result

Issue #21204 has been reported by hsbt (Hiroshi SHIBATA).

----------------------------------------
Bug #21204: `TestEtc#test_ractor_parallel` is still flaky result
https://bugs.ruby-lang.org/issues/21204

* Author: hsbt (Hiroshi SHIBATA)
* Status: Open
* Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
----------------------------------------
https://github.com/ruby/ruby/actions/runs/14121185441/job/39561623937?pr=13004

```
    1) Failure:
  TestEtc#test_ractor_parallel [/home/runner/work/ruby/ruby/src/test/etc/test_etc.rb:178]:
  pid 150540 killed by SIGABRT (signal 6) (core dumped)
  | [BUG] pthread_mutex_lock: Owner died (EOWNERDEAD)
  | ruby 3.5.0dev (2025-03-28T03:13:46Z pull/13004/merge 4cfbc634ea) +PRISM +GC[mmtk] [x86_64-linux]
  | 
  | -- Control frame information -----------------------------------------------
  | 
  | malloc_consolidate(): unaligned fastbin chunk detected
  | 
  | -- Threading information ---------------------------------------------------
  | Total ractor count: 1
```



-- 
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