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Subject DO NOT REPLY [Bug 48471] Apache Restarts Randomly When Using Worker
Date Sat, 02 Jan 2010 13:52:04 GMT

--- Comment #5 from Jeff Trawick <> 2010-01-02 05:52:03 UTC ---
> [notice] SIGUSR1 received. Doing graceful restart

Some process is sending the SIGUSR1 signal to the httpd parent process; this
should be a separate httpd process, when invoked via "apachectl graceful" or
"httpd -k graceful".

If it isn't a script or user explicitly triggering graceful restart, I don't
know a straightforward way to capture the sender.

Perhaps a script that watches the log file for that message could capture the
list of active processes?  (Hopefully someone has a better idea.)

>debug] worker.c(791): (22)Invalid argument: apr_proc_mutex_unlock failed. Attempting to
shutdown process gracefully.

This is an uninteresting error which occurs during graceful restart processing
and can be ignored.

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