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Subject [Bug 56960] worker and listener thread dead-lock in graceful shutdown
Date Tue, 30 Sep 2014 04:58:30 GMT

Zin UDA <> changed:

           What    |Removed                     |Added
           Severity|normal                      |major

--- Comment #2 from Zin UDA <> ---
How to reproduce...
1) enable mod_status with extended status (to check status)
2) set small value for MaxConnectionsPerChild eg. 1000 (to easy reproduce)
3) make dummy large file (>100M) under DocumentRoot.
4) make a heavy load with the large file, with many (>1000) concurrent

After several tens minutes, you can find some dead-locked httpd process. Thease
process has following status
- Connections total is not 0, listen 'no'.
- Busy and idle thread is 0.
- have some Async connections.

This issue is CRITICAL because this not only happen in case of administrative
graceful shutdown but also happen restart each worker process (e.g. exceed

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