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Date:   Sun, 10 Sep 2017 09:36:53 +0200
From:   Markus Trippelsdorf <>
To:     Peter Zijlstra <>
Cc:     Tejun Heo <>,
Subject: Worker threads in D state since c5a94a618e7ac86 (workqueue: Use


 commit c5a94a618e7ac86b20f53d947f68d7cee6a4c6bc
 Author: Peter Zijlstra <>
 Date:   Wed Aug 23 13:58:44 2017 +0200

     workqueue: Use TASK_IDLE

all worker threads are in D state. They all show up when using "magic
SysRq w". In htop they all have big fat red 'D' in the state column.
Is this really desirable?

I have attached the output of "ps aux" after boot and the SysRq-w


View attachment "ps_aux" of type "text/plain" (13591 bytes)

View attachment "SysRq_w" of type "text/plain" (25516 bytes)

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