Issue #11987 has been reported by Yui NARUSE.

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Feature #11987: daemons can't show the backtrace of rb_bug
https://bugs.ruby-lang.org/issues/11987

* Author: Yui NARUSE
* Status: Open
* Priority: Normal
* Assignee: 
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Ruby shows backtrace and other information into stderr on rb_bug.
But daemon process redirects stderr into /dev/null.
How do I get the log?

NOTE: if I can reproduce this, I can use strace to get it. But issues are not always reproducible.



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