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MA46280 - LIC-MEDIA-OPT-UNPRED Partition termination

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 APAR (Authorized Program Analysis Report)

Abstract

LIC-MEDIA-OPT-UNPRED Partition termination

Error Description

If the IOPless driver is ended by licensed internal code (for  
example, unplugging a USB device), and there is an outstanding  
operation at the device, if the operation is not returned to the
driver within five seconds, the driver will shut down.  If the  
op is then returned by the adapter, the partition may terminate.

Problem Summary

 If a USB optical device is disconnected from the partition or  
powered off while there is an outstanding operation at the      
device, the partition may terminate if the outstanding operation
is later returned for a hardware resource no longer associated  
with a                                                          
   device driver.                                              

Problem Conclusion

Apply this fix to change the device driver to wait for          
operations to be returned in all cases. An IOP IPL may recover  
the device, but if the operation is truly lost, the target      
connection will not be able to be used without a scheduled      
partition IPL.                                                  

Temporary Fix

Comments

Circumvention


PTFs Available

R710 MF63418 PTF Cover Letter   7192
R720 MF63400 PTF Cover Letter   7290
R730 MF63401 PTF Cover Letter   7283

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... No
Component.................................. 9400DG300
Failing Module.......................... RCHMGR
Reported Release................... R720
Duplicate Of..............................




System i Support

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Document Information

Modified date:
28 October 2017