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

[Hemant_Chilkoti]

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 15.5.3.4 v1553b4-patch1-6 by release-manager
Slot-1 : 800322-00-09 1302N-40735 Rev 9.0 BootROM: 2.0.1.7 IMG: 15.5.3.4
System Type: X460-48t

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

BR/
Hemant

[Alexandr_P]

Hello!

https://gtacknowledge.extremenetworks.com/articles/How_To/How-To-install-EXOS-Image-via-BootROM-on-G...

Thank you!

[Zdeněk_Pala]

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