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Article ID : 2136

What is the meaning of the message 'ERROR: Softdog driver open'?

Goal:
What is the meaning of the message 'ERROR: Softdog driver open'?

Symptom:
When the Nortel Application Switch boots up, error appears on the command line interface (CLI).
ERROR: Softdog driver open.
This is likely to appear after an upgrade of the switch software.

Fix:
The softdog  monitors that the NAS operating system application is alive and functioning and takes care of the hardware watchdog.  This error will appear if the boot image and the runtime image are not from the same release.  The boot image and runtime images should be kept at the same level.
Therefore, make sure the boot image and the runtime image are from the same release.  

Last Updated: 21/06/2009
Reference Article number: 12423


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Article Details

Last Updated
30th of June, 2011

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