Steps for examining the SRB status

Enter the IPCS CBFORMAT srb address STR(SRB) to format the SRB or SSRB and related control blocks that describe the environment of the system request block (SRB). For example:

	SSRB: 02451200                                                                                                                  
    +0000  ID....... SSRB      FLNK..... 02452900  ASCB..... 00F72D00  CPAF..... 0000      PASI..... 006C      PTCB..... 007E2250
    +0014  EPA...... 00000000  RMTR..... 8142F3D8  PARM..... 00000000  WEB...... 01DF0598  PKF...... 00        FLGS..... 08      
    +0026  HLHI..... 00        FLGS..... 00        FRRA..... 00000000                                                            
    +0030  FPRS..... 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000            TRAN..... 00000000
    +0054  SAFN..... 0000      TYPE..... 0C                                                                                      
    +0058                      GPR0..... 00000000  GPR1..... 00000000  GPR2..... 00000041  GPR3..... 01DDE4C8  GPR4..... 00000000
    +006C  GPR5..... 00000000  GPR6..... 00000000  GPR7..... 00000000  GPR8..... 00000000  GPR9..... 00000000  GPRA..... 00000000
    +0084  GPRB..... 014228AF  GPRC..... 814218B0  GPRD..... 7F01E388  GPRE..... 0186926E  GPRF..... 00000000                    
                                                                                                                                 
    +0098  CPSW..... 070C0000  81421ED0            CPUT..... 00FFFFFF  FF4AF580            TIME..... 00000000  009C49C0          
    +00B0  XSB...... 02451838  ORMT..... 18FEF6C8  LSA1..... 0206D998  LAA...... 000A0068  LSDP..... 0206DA18  ALOV..... 00000000
                                                                                                                                 
                                                                                                                                 
    Register values                                                                                                              
      0-3  00000000  00000000  00000000  00000000                                                                                
      4-7  00000000  00000000  00000000  00000000                                                                                
      8-11 00000000  00000000  00000000  00000000                                                                                
     12-15 00000000  00000000  00000000  00000000                                                                                
                                                                                                                                 
    +0108  DUCT..... 00000000  00000000  00000000  00000000  0007BF00  00000000  00000000  00000000  00000000  00000000  00000000
    +0134            00000000  00000000  00000000  00000000  00000000                                                            
    +0634                      SSD...... 19413000  OPAS..... C240      OPTC..... 00000000  SUPF..... 80000069  SUSP..... 00      
    +064A  SUSP..... 00000000  00000000  00000000  00000000            SUSP..... 00000000  SUSP..... 00000000  SYNC..... 00000000
    +0668  SYNC..... 00000000  SYNC..... 00000000  SYNC..... 00000000  SYNC..... 00000000  SYNC..... 00000000  SUSP..... 00000000
    +0680            00000000  SUSP..... 00000000  SUSP..... 00000000  AFPR..... 00000000  00000000  00000000  00000000  00000000
    +06AC            00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000
    +06D8            00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000  FPFL..... 00      
    +0740  TRNE..... 00000000  00000000

Use the PSW address from the CPSW field in the IPCS WHERE command or browse storage to look for a module name to determine where the SRB was last executing.
Use the module name and hang to search for a known problem.