PQ84990: Periodic performance slowdown problem with AcceptEx.

 A fix is available

PQ85834; 2.0.47,2.0.42,2.0.42.1,2.0.42.2: GSKit vulnerability and cumulative fix



APAR status
Closed as fixed if next.

Error description
IBM HTTP Server slows down when AcceptEx() WinSock2 API is
configured. The following error message will be logged.

(OS 121)The semaphore timeoutperiod has expired.  :
winnt_accept: Asynchronous AcceptEx failed.
Local fix
N/A
Problem summary
Add Win32DisableAcceptEx directive
Problem conclusion Temporary fix Comments
APAR information
APAR number PQ84990
Reported component name WAS HTTP SERVER
Reported component ID 5630A3603
Reported release 00W
Status CLOSED FIN
PE NoPE
HIPER NoHIPER
Special Attention NoSpecatt
Submitted date 2004-02-20
Closed date 2004-05-13
Last modified date 2005-04-29

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros

Publications Referenced

Fix information

Applicable component levels
R00W PSN    UP


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > IBM HTTP Server > Runtime
Operating system(s):
Software version: 00W
Software edition:
Reference #: PQ84990
IBM Group: Software Group
Modified date: Apr 29, 2005