Just thought I would update folks on the present problem IBM has accepted 
as a JES2 problem. MVS Solutions' Thruput Manager is not the guilty party.  
This was introduced into JES2 with new function when "all" systems are 
running JES2 V1R8 in a sysplex. JES2 takes multiple $BR4 abends where 
eventually an IPL is needed. The code that is failing is managing the 
XEQCOUNT timers in the checkpoint.  The system that encountered this a very 
heavily loaded batch processing system with many thousand of jobs per hour. 

Circumvention is  

1. Run one of your LPARS in the SYSPLEX back at the z/OS V1R7 level. 

 2. Set MAXJOBS to some very high number and they think it would be 
avoided. 

When a fix comes out I will people know.       Jim 

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