4
Error Log Analysis
This chapter provides information on how to interpret error logs reported by the
operating system.
• Section 4.1 describes machine check/interrupts and how these errors are
detected and reported.
• Section 4.2 describes the entry format used by the error formatters.
• Section 4.3 describes how to generate a formatted error log using the
DECevent Translation and Reporting Utility available with OpenVMS and
Digital UNIX.
4.1 Fault Detection and Reporting
Table 4–1 provides a summary of the fault detection and correction components of
AlphaServer 1000 systems.
Generally, PALcode handles exceptions as follows:
• The PALcode determines the cause of the exception.
• If possible, it corrects the problem and passes control to the operating system
for reporting before returning the system to normal operation.
• If error/event logging is required, control is passed through the system control
block (SCB) to the appropriate exception handler.
Error Log Analysis 4–1
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