Then, go to “Chapter 2. Unit Reference Codes” on page 59 and use the
SRC information to correct the problem.
This ends the procedure.
11. Contact your next level of support.
This ends the procedure.
Logical Partition Hangs or Loops (No SRC)
This procedure is for the case where the hanging or looping partition does not
display an SRC in the Primary partition’s Work with Partition Status screen.
You are here because:
v Logical partition operation is hung (very low processor activity indicated on the
control panel with workstation(s) input inhibited).
v Logical partition operation is in a loop (very high processor activity indicated on
the control panel with workstation(s) input inhibited).
A logical partition hang or loop is the result of either:
v A software failure.
v Software improperly handling a hardware failure.
This procedure assumes that the logical partition completed an IPL and that at
least one user had successfully signed on before the condition occurred.
The purpose of this procedure is to:
1. Help you report the problem with enough error data to permit an APAR
investigation to resolve the software problem.
2. Provide you with direction to identify any possible hardware failure.
Perform the following:
1. Is the logical partition operational from any workstation?
No Yes
↓ Work with the system operator to complete the appropriate problem
handling procedures. See:
v The Information Center at
http://www.ibm.com/eserver/iseries/infocenter
This ends the procedure.
2. Perform steps 2a through 2i on page 35 on the system’s physical panel and
NOT on the Partition Status screen in the Primary partition. Collect and record
the failure data (see the iSeries Service Functions).
Note: If any of the data collection steps fail, go to step 4 of this procedure.
a. Select Manual mode (see iSeries Service Functions).
b. Select Function 25 on the control panel and press the Enter key.
c. Select Function 26 on the control panel and press the Enter key.
d. Select Function 50 on the control panel and press the Enter key to
stop the system. After a short time, SRC D141900F displays and
indicates the system is stopped.
e. Select Function 51 on the control panel and press the Enter key. The
display shows 51**.
IPL Problems
34
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
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