f. Select 5100 on the control panel and press the Enter key. Record the
value displayed on the control panel (first part of the address for the
instruction to be executed next on processor 0).
g. Select 5101 on the control panel and press the Enter key. Record the
value displayed on the control panel (second part of the address for
the instruction to be executed next on processor 0).
h. Select 5102 on the control panel and press the Enter key. Record the
value displayed on the control panel (first part of the address for
the instruction being executed on processor 0).
i. Select 5103 on the control panel and press the Enter key. Record the
value displayed on the control panel (second part of the address for
the instruction being executed on processor 0).
Notes:
1) If the system has multiple processors, the preceding steps can be
repeated for each processor by continuing the sequence with the
selection of 5104 for the next processor.
2) When you have completed the data collection, exit the 51xx
extended functions by rolling back to the 51** display and
pressing the Enter key.
3. Go to the Primary partition’s main menu.
a. Select Work with Partitions.
b. Select Display Partition Information.
c. Select Display Partition Processing Configuration.
d. Select option 10 and continue selecting option 10 until you determine
which processor or processors failed. Record the failing processor numbers
as part of the data collected for the APAR.
e. Record this information with the APAR data that you recorded in step 2 on
page 34 of this procedure.
4. Perform the following to initiate a Main Store Dump (see the iSeries Service
Functions).
a. Go to the Primary partition’s SST/DST screen.
b. Select Work with Partitions.
c. Select Work with Partition Status.
d. Select More Options.
e. Select Force Main Store Dump.
f. Wait for the dump to disk to complete (this may take several minutes).
Is 0000 0000 displayed on the partition status screen for more than 30
seconds?
No Yes
↓ The Main Store Dump cannot complete successfully. The Load Source
IOP is in a hang condition.
Go to step 7 of this procedure.
5. Does the Main Store Dump complete successfully (A1xx 300x displayed on the
Monitor Partition Status screen)?
Yes No
↓ Go to step 8 of this procedure.
IPL Problems
Chapter 1. Starting Problem Analysis 35
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