Problem: Xbar Error/C7010-FAB-1 in Power Down State
The C7010-FAB-1 is in a power down state and these errors appear:
%PLATFORM-3-EJECTOR_STAT_CHANGED: Ejectors' status in slot 13 has changed,
Left Ejector is OPEN, Right Ejector is CLOSE
%PLATFORM-3-EJECTOR_STAT_CHANGED: Ejectors' status in slot 13 has changed,
Left Ejector is OPEN, Right Ejector is OPEN
%PLATFORM-2-XBAR_REMOVE: Xbar 3 removed (Serial number XXX)
Xbar Ports Module-Type Model Status
--- ----- ----------------------------------- ------------------ ----------
3 0 Fabric Module N/A powered-dn
?
Xbar Power-Status Reason
--- ------------ ---------------------------
3 powered-dn failure(powered-down) since maximum number of bringups were exceeded
Alternatively, xbar ASIC errors appear:
%MODULE-4-MOD_WARNING: Module 15 (serial: XXX) reported warning due to
X-bar Interface ASIC Error in device 70 (device error 0xc4600248)
%OC_USD-SLOT15-2-RF_CRC: OC2 received packets with CRC error from MOD 15
through XBAR slot 3/inst 2
Root Cause
This issue is due to either a faulty or bad-seated xbar module, or a bad chassis slot.
Solution
Check the output of these commands:
show version
show module
show logging
show logging nvram
show module internal exception-log
show module internal event-history
show core
show system reset-reason
show environment | in xbar
show system internal platform internal event-history xbar X is xbar #
show system internal xbar-client internal event-history errors
show system internal xbar all
show system internal xbar event-history errors
Perform a hard reseat of the xbar module and check the status.
If the reseat fails, test xbar in another slot or test the same slot with another xbar module in order to ensure the chassis is fine.
Replace the faulty hardware based on the tests performed in steps 2 and 3.
https://www.cisco.com/c/en/us/support/docs/switches/nexus-7000-series-switches/118959-troubleshoot-hw-arch-nexus7000-00.html
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