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MA40356 - LIC-COMM-OTHER-WAIT DEADLOCK IN SOCKETS
END OF ABSTRACT

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 APAR (Authorized Program Analysis Report)

Abstract

LIC-COMM-OTHER-WAIT DEADLOCK IN SOCKETS
END OF ABSTRACT

Error Description

dup2 deadlock SAPs JVM intermittently stall with IBM i 7.1 in  
a thread with the following call stack:                        
Type Program Statement Procedure                                
P libnet.so 887 0000009C Java_java_net_PlainSocketIm >          
P libnet.so 265 000000B4 closefd                                
P libc.a(shr_64.o) 00000020 dup2                                
P libc.a(shr_64.o) 00000048 fcntl                              
P libc.a(shr_64.o) 000001E8 __fcntl                            
P unix 00000008 <syscall64>:kfcntl                              

Problem Summary

Please see the ERROR DESCRIPTION section.                      

Problem Conclusion

The timing window that exposed the deadlock between dup2() and  
accept() processing has been eliminated.                        

Temporary Fix

Comments

Circumvention


PTFs Available

R710 MF51968 PTF Cover Letter   1116

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... No
Component.................................. 9400DG300
Failing Module.......................... RCHMGR
Reported Release................... R710
Duplicate Of..............................




System i Support

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Document Information

Modified date:
14 May 2011