Step Symptom/Condition Action
8a MCA occurs during server
operation; the server
reboots the OS. (NOTE:
Server reboots OS, if
enabled)
Front panel LEDs indicate that the server detected a fatal error
that it cannot recover from through OS recovery routines
(system health is flashing red, SEL is red, and power is steady
green).
1. Capture the MCA dump with the UEFI errdump mca
command. If the system can boot the OS, you can capture
binary MCA dump files online.
2. Examine the iLO 3 MP logs for entries related to processors,
processor power modules (PPMs), shared memory, and core
I/O devices (see Errors and reading error logs for more
details).
8b MCA occurs during server
operation; server reboot of
OS is prevented. NOTE:
The troubleshooting actions
for this step are identical to
those in Step 8a, except that
the server in this step must
be hard reset to begin the
booting process You must
hard reset the server to
clear the fatal condition and
boot the OS
Front panel LEDs indicate that the server detected a fatal, front
side bus error, caused by DIMMs; or by any parity in the I/O
path between SBA, LBA, or HBA (system health is flashing red,
SEL is red, power is steady green). System firmware is running
to gather and log all error data for this MCA event.
1. Examine the iLO 3 MP logs for entries related to processors,
processor power modules (PPMs), shared memory, and core
I/O devices (See Errors and reading error logs for details).
Troubleshooting tools
Cause
Use the following tools to aid in troubleshooting the server.
LEDs
Troubleshooting tools 91
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