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Sun Fire[TM] 12K/15K/E20K/E25K: The "setkeyswitch on" command fails with "FAIL Addr Bus C1: Cplane already in use with this bus deconfigured." (Doc ID 1006327.1)

Last updated on JULY 12, 2019

Applies to:

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

Symptoms

ON SF12/SF15/SF20/SF25K platforms the "setkeyswitch on" command may fail with "FAIL Addr Bus C1: Cplane already in use with this bus deconfigured" error:

sc1:sms-svc:8> setkeyswitch -d i on
Powering on: CSB at CS1
Already powered on: CSB at CS1
Powering on: CSB at CS0
Already powered on: CSB at CS0
Waiting on exclusive access to EXB(s): 00100.
Powering on: EXB at EX8
Powering on: HPCI at IO8
Powering on: CPU at SB8
Powering on: EXB at EX13
Powering on: HPCI at IO13
Powering on: CPU at SB13

Significant contents of .postrc (platform)
/etc/opt/SUNWSMS/SMS1.4.1/config/platform/.postrc:
# ident "@(#)postrc 1.1 01/04/02 SMI"

Reading domain blacklist file /etc/opt/SUNWSMS/config/I/blacklist ...
# ident "@(#)blacklist 1.1 01/04/02 SMI"
Reading platform blacklist file /etc/opt/SUNWSMS/config/platform/blacklist
...
# ident "@(#)blacklist 1.1 01/04/02 SMI"
SEEPROM probe took 0 seconds.
Reading Component Health Status (CHS) information ...
stage lport_reset: Assert reset to IOC ports in -Q mode...
stage_lport_reset(): Not -Q mode; Skipping Stage lport_reset
stage bus_probe: Check in-use bus configurations...
FAIL Addr Bus C1: Cplane already in use with this bus deconfigured.
There is no FRU service action indicated for this failure.
FAIL Data Bus C1: Cplane already in use with this bus deconfigured.
There is no FRU service action indicated for this failure.
FAIL Resp Bus C1: Cplane already in use with this bus deconfigured.
There is no FRU service action indicated for this failure.

Cause

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