Why semaphores are not cleaned properly during httpd shutdown ?
Issue
- semaphores are not cleaned during httpd shutdown.
- Sometimes after apache shutdown or failure some semaphores are not cleaned and have to be cleaned manually to be able to start up the apache. Additionally the httpd stop (restart) sometimes leave the child processes running what again prevent the proper start up of httpd. What causing this behavior and how to prevent it?
Environment
- Red Hat Enterprise Linux 5
- httpd-2.2.3-43.el5
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