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Sun Fire[TM] 12K/15K/E20K/E25K: Hpost Fails an IO Board which "Shares an Expander with an Unthrottled USIV+ Board which is Active in Another Domain." (Doc ID 1002804.1)

Last updated on JANUARY 30, 2022

Applies to:

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

Symptoms

Hpost fails an IO board on a split Expander:

stage asic_probe: ASIC probe and JTAG/CBus integrity test...
FAIL Slot IO5: Shares an expander with an unthrottled USIV+ board which is active in another domain.
There is no FRU service action indicated for this failure.

Changes

Sun Fire[TM] 12K/15K/E20K/E25K: Hpost fails an IO board which "Shares an expander with an unthrottled USIV+ board which is active in another domain"

This new behavior was introduced in Patch ID 124319-01 , which included additional checks for AR3 (Address Repeater version 3).

The behavior is not a bug, but an additional safety check to prevent the possibility of a Dstop due to an AR overflow.

Cause

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