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Sun Fire[TM] 12K/15K/E20K/E25K: POST: IBIST Failures (Doc ID 1003321.1)

Last updated on APRIL 14, 2021

Applies to:

Sun Fire E20K Server - Version All Versions and later
Sun Fire E25K Server - Version All Versions and later
Sun Fire 12K Server - Version All Versions and later
Sun Fire 15K Server - Version All Versions and later
All Platforms

Symptoms

POST reports an IBIST failure. Some examples:

#1:

stage ibist: Interconnect BIST...
AXQ-RMX IBIST...
ERR: IBIST error: AXQ EX3 RMX C0 Exp 0x0aaaaaaaa Obs 0x03c345555 XOR 0x0969effff.
FAIL EXB EX3: IBIST failure
Primary service FRU is EXB EX3.
Secondary service FRU is CSB C0 or the logic centerplane.

#2:

stage ibist: Interconnect BIST...
ERR: IBIST error: DMX C1/D0 SDI EX4/S3 Error bits = 0x1555554. FAIL EXB EX4: IBIST failure

Cause

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