Yes, the stack running 15.6.5.2 was upgraded yesterday morning. it was the reboot to bring the stack onto the new code that brought the error to my attention. I had been trying to perform the upgrade to correct another issue, but had to replace a slot before the code upgrade would go through.
Slot-1 ORB.2 # sho switch
SysName: ORB
SysLocation: Orchard_B
SysContact: Help Desk
System MAC: 02:04:96:99:AB:A7
System Type: X460G2-48p-10G4 (Stack)
SysHealth check: Enabled (Normal)
Recovery Mode: All
System Watchdog: Enabled
Current Time: Thu Oct 6 08:22:56 2016
Timezone: [Auto DST Enabled] GMT Offset: -300 minutes, name is EST.
DST of 60 minutes is currently in effect, name is EDT.
DST begins every second Sunday March at 2:00
DST ends every first Sunday November at 2:00
Boot Time: Wed Oct 5 05:35:23 2016
Boot Count: 15
Next Reboot: None scheduled
System UpTime: 1 day 2 hours 47 minutes 33 seconds
Slot: Slot-1 * Slot-2
------------------------ ------------------------
Current State: MASTER BACKUP (In Sync)
Image Selected: secondary secondary
Image Booted: secondary secondary
Primary ver: 15.6.3.1 15.6.3.1
Secondary ver: 15.6.5.2 15.6.5.2
patch1-3 patch1-3
Config Selected: primary.cfg
Config Booted: primary.cfg
primary.cfg Created by ExtremeXOS version 15.6.3.1
813026 bytes saved on Sat Oct 1 02:20:30 2016
Slot-1 ORB.3 # sho power
PSU-1 or PSU-2 or
Internal External External External Power
Slots Type PSU PSU PSU PSU Usage
-------------------------------------------------------------------
Slot-1 X460G2-48p-10G4 P - - - 161.44
Slot-2 X460G2-48p-G4 P - - - 135.48
Slot-3 X460G2-48p-G4 P - - - 94.30
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 ORB.4 # show stacking
Stack Topology is a Ring
Active Topology is a Ring
Node MAC Address Slot Stack State Role Flags
------------------ ---- ----------- ------- ---
*00:04:96:99:ab:a7 1 Active Master CA-
00:04:96:99:ba:0a 2 Active Backup CA-
00:04:96:99:ae:03 3 Active Standby CA-
* - Indicates this node
Flags: (C) Candidate for this active topology, (A) Active Node
(O) node may be in Other active topology
Slot-1 ROC.2 # show switch
SysName: ROC
SysLocation: RoyalOak
SysContact: Help Desk
System MAC: 02:04:96:99:AB:89
System Type: X460G2-48p-10G4 (Stack)
SysHealth check: Enabled (Normal)
Recovery Mode: All
System Watchdog: Enabled
Current Time: Thu Oct 6 08:34:04 2016
Timezone: [Auto DST Enabled] GMT Offset: -300 minutes, name is EST.
DST of 60 minutes is currently in effect, name is EDT.
DST begins every second Sunday March at 2:00
DST ends every first Sunday November at 2:00
Boot Time: Wed Oct 5 07:37:09 2016
Boot Count: 10
Next Reboot: None scheduled
System UpTime: 1 day 56 minutes 54 seconds
Slot: Slot-1 * Slot-2
------------------------ ------------------------
Current State: MASTER BACKUP (In Sync)
Image Selected: primary primary
Image Booted: primary primary
Primary ver: 15.6.3.1 15.6.3.1
patch1-3 patch1-3
Secondary ver: 15.6.3.1 15.6.3.1
Config Selected: primary.cfg
Config Booted: primary.cfg
primary.cfg Created by ExtremeXOS version 15.6.3.1
1046216 bytes saved on Sat Oct 1 02:40:33 2016
Slot-1 ROC.3 # sho power
PSU-1 or PSU-2 or
Internal External External External Power
Slots Type PSU PSU PSU PSU Usage
-------------------------------------------------------------------
Slot-1 X460G2-48p-10G4 P - - - 95.12
Slot-2 X460G2-48p-G4 P - - - 89.31
Slot-3 X460G2-48p-G4 P - - - 109.82
Slot-4 X460G2-48p-G4 P - - - 128.81
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 ROC.4 # sho stacking
Stack Topology is a Ring
Active Topology is a Ring
Node MAC Address Slot Stack State Role Flags
------------------ ---- ----------- ------- ---
*00:04:96:99:ab:89 1 Active Master CA-
00:04:96:99:ae:2d 2 Active Backup CA-
00:04:96:99:ae:72 3 Active Standby CA-
00:04:96:99:ae:4b 4 Active Standby CA-
* - Indicates this node
Flags: (C) Candidate for this active topology, (A) Active Node
(O) node may be in Other active topology