From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5) Gecko/20031117 Firebird/0.7 Description of problem: $ uname -a Linux rh9 2.4.20-20.9 #1 Mon Aug 18 11:45:58 EDT 2003 i686 i686 i386 GNU/Linux it seems with this version of the kernel pthread childern show up under /proc/.<pid> , ps does not report information about these pids. top will display the pids if the "H" option is used. Version-Release number of selected component (if applicable): 2.0.11-6 How reproducible: Always Steps to Reproduce: 1. find a pid in /proc/.<pid> 2. ps -eaf |grep <pid> Additional info:
I will rtfm myself. ps -eamf shows all parent and child threads.