NetBSD Problem Report #53154

From www@NetBSD.org  Wed Apr  4 00:43:16 2018
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Date: Wed,  4 Apr 2018 00:43:14 +0000 (UTC)
From: venture37@geeklan.co.uk
Reply-To: venture37@geeklan.co.uk
To: gnats-bugs@NetBSD.org
Subject: ruby 2.5 pegs CPU on DragonFly BSD
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>Number:         53154
>Category:       pkg
>Synopsis:       ruby 2.5 pegs CPU on DragonFly BSD
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Apr 04 00:45:00 +0000 2018
>Originator:     Sevan Janiyan
>Release:        
>Organization:
>Environment:
DragonFly v5.3.0.28.g29df6-DEVELOPMENT #331: Sun Apr  1 15:41:38 PDT 2018
>Description:
I'm trying to bulkbuild the entire pkgsrc tree on DragonFly BSD. I keep on seeing the ruby25 binary wedging and chewing up CPU.

   PID USERNAME     NICE  SIZE    RES    STATE   C   TIME   CTIME    CPU COMMAND
971573 pbulk          0    34M    28M     CPU3   3  41:19   41:19 98.29% ruby25


>How-To-Repeat:
Try to build ruby25-concurrent-ruby or ruby25-thread_safe or ruby25-native-package-installer for example
>Fix:

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