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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 37026] - Child process enters infinite loop
Date Wed, 12 Oct 2005 11:27:46 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37026





------- Additional Comments From rpluem@apache.org  2005-10-12 13:27 -------
Additional hint from my side: From the truss output I cannot see any extensive
CPU consumption. The process is mostly sleeping, waiting for poll to return.
As the second parameter of poll is zero I assume that the SiteMinder module is
not really watching file descriptors but tries to sleep for 1 second over
and over again.
It can also be seen from the gdb output that these threads that do the polling
have been created by the SiteMinder module itself and not by Apache as
ConnectionService from the module is the "main" function for this thread:

(gdb) thread 207
[Switching to thread 207 (Thread 105 (LWP 105))]#0  0xfee9d618 in _poll ()
   from /usr/lib/libc.so.1
(gdb) bt full
#0  0xfee9d618 in _poll () from /usr/lib/libc.so.1
No symbol table info available.
#1  0xfee4d53c in select () from /usr/lib/libc.so.1
No symbol table info available.
#2  0xfed4da64 in select () from /usr/lib/lwp/libthread.so.1
No symbol table info available.
#3  0xfe575ad8 in __1cIcm_sleep6FLl_v_ ()
   from /u01/siteminder/wa5q7/webagent/lib/libmod_sm20.so
No symbol table info available.
#4  0xfe57637c in ConnectionService ()
   from /u01/siteminder/wa5q7/webagent/lib/libmod_sm20.so
No symbol table info available.
#5  0xfed54b98 in _lwp_start () from /usr/lib/lwp/libthread.so.1
No symbol table info available.
#6  0xfed54b98 in _lwp_start () from /usr/lib/lwp/libthread.so.1
No symbol table info available.
Previous frame identical to this frame (corrupt stack?)
(gdb) 

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