HP 748 Series, Owner'S Manual

Page: 127 / 152

10-7
Dealing With Problems
Recovering from a System Panic
Other problems may result from faulty configuration of the Mode Configu-
ration area of the Boot Console Handler. If you have boot problems, check
that the following areas use their default values:
• Current mode is “USER” (default mode).*
• FASTBOOT is set to “NO”
• TEST CONFIGURATION includes GRAPHICS 1, GRAPHICS 2, and
HIL, if used.*
* These are applicable only to the Model 743
Procedures for Recovering from a System Panic
Step 1: The Panic Message
In a log book, record and categorize the panic message displayed on the sys-
tem console. The panic message will tell you why the operating system pan-
icked. Sometimes panic messages refer to internal structures of HP-UX (or
its file systems) and the cause might not be obvious. Generally, the problem
is in one of the following categories, and wording of the message should
allow you to classify it into one of them:
Step 2a: Recovering from Hardware Failure
If the panic message indicated a hardware failure, the text or context of the
message should indicate what piece of hardware failed.
Table 10-2 System Panic Procedures
Category
Action Step
Number
Hardware Failure Step 2a
File System Corrupted Step 2b
LAN Communication Problem Step 2c
Other Situations Step 2d