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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 21425] - AcceptEx failed [semaphore timeout period has expired]
Date Tue, 11 Jan 2005 23:48:31 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=21425


mikehuangsd@yahoo.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical
           Keywords|                            |ErrorMessage
         OS/Version|                            |Windows 2000
            Version|2.0.48                      |2.0.52




------- Additional Comments From mikehuangsd@yahoo.com  2005-01-12 00:48 -------
Has the sephamore timeout/AcceptEx failed error problem been solved?

My machine is window 2k pro, fully patched.

I was running Apache 2.0.43 succesfully for many many months when I first 
started noticing sporadic slow performance.  There were boughts where pictures 
and PDF files would be served out extremely slowly or not at all.  I checked 
the error logs and found some sephamore timeout/acceptex errors scattered 
throughout.  These boughts lasted from several seconds to several minutes, but 
then magically fixed themselves (no restarting or doing anything to the server).

The problem suddenly got worse and and the server became nearly useless 
(boughts of slowness became longer than boughts of normal performance).  I 
upgraded to 2.0.52 a few days ago, which for some reason first seemed to have 
fixed the problem.  But then I realized that the problem was simply REDUCED, 
not eliminated.  The boughts of ultra-slow performance are less severe and less 
common than before, but are still occurring regularly.   I have not seen the 
sephamore message since, but the AcceptEx Failed message still appears 
sporadically.  

After tons of testing, I have gotten nowhere.  It does not seem that the 
writing of the acceptex error messages coincide with the boughts of slow server 
performance.  In fact, I'm not sure that these two problems are even related.  
I have no idea what is triggering the acceptex errors to write to the error 
log - I can find nothing in the access log that looks unusual. 

Adding "Win32DisableAcceptEx" to http.conf has not fixed the problem.

The previous post suggests that hardware issues (network card) might be at 
fault.  But all other connections to/from this machine seem fine.  

I see many posts above are from long ago- Did you resolve, and if so, how??


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