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X440 G2 shows PSU-2 failed although no external PSU is plugged

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TitleX440 G2 shows PSU-2 failed although no external PSU is plugged
Symptoms
External PSU is not present but shown as failed when run “show power” on stack with single slot.
Slot-1 X440G2-48p-10G4(Stack).18 # show version | i Image
Image   : ExtremeXOS version 22.2.1.5 by release-manager
Slot-1 X440G2-48p-10G4(Stack).18 # show power 
                     PSU-1 or  PSU-2 or
                     Internal  External  External  External  Power
Slots  Type          PSU       PSU       PSU       PSU       Usage
-------------------------------------------------------------------
Slot-1 X440G2-48p-10G4 P         F         -         -         N/A
Slot-2 
Slot-3 
Slot-4 
Slot-5 
Slot-6 
Slot-7 
Slot-8 

Flags : (P) Power available, (F) Failed or no power,
        (O) 48V powered off when 2 or 3 external PSUs are powered on,
        (-) Empty
Slot-1 X440G2-48p-10G4(Stack).3 # show version | i Image
Image   : ExtremeXOS version 21.1.1.4 by release-manager
Slot-1 X440G2-48p-10G4(Stack).4 # show power 
                     PSU-1 or  PSU-2 or
                     Internal  External  External  External  Power
Slots  Type          PSU       PSU       PSU       PSU       Usage
-------------------------------------------------------------------
Slot-1 X440G2-48p-10G4 P         -         -         -         N/A
Slot-2 
Slot-3 
Slot-4 
Slot-5 
Slot-6 
Slot-7 
Slot-8 

Flags : (P) Power available, (F) Failed or no power,
        (O) 48V powered off when 2 or 3 external PSUs are powered on,
        (-) Empty
Environment
  • EXOS 22.2.1.5
  • X440-G2
  • stacking
Cause
The root cause is xos0068304 - "External PSU status is displayed as failed in show power output even though it is not present"
Resolution
Upgrade to EXOS version where mentioned CR is fixed.
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