Issue with Extreme Switch: Loading EXOS Image ... Running Image. . Error: unknown board type 0x0047******* cpu_0 received a bus/cache error

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Dear Team,
                     I am from Ericsson.
I need your help very urgently. I can't go through TAC. 

I have a Extreme stack. One switch in that stack got down. When i reboot that i it not getting booted. It gives below error: 

Copyright 2003 - 2012 Extreme Networks, Inc.

Loading EXOS Image ...
Running Image ... Error: unknown board type 0x0047
cpu_0 received a bus/cache error

Below is the image details of the switch: 
Image   : ExtremeXOS version v1553b4-patch1-6 by release-manager
Slot-1      : 800322-00-09 1302N-40735 Rev 9.0 BootROM:    IMG:
System Type:      X460-48t 

I need your guidance with the solution as i can't find good documents for EXOS.

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Hemant Chilkoti

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Posted 2 years ago

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Pala, Zdenek, Employee

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I can guess hardware issue or corrupted firmware. Image upgrade can be done from the bootrom = press the space during the boot time and you will get there. I am sure there is knowledgebase article about that.

good luck
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Alexandr P, Embassador

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