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Software watchdog fault, didn`t work power pmac


PillowPark
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Hello~^^

I work for Delta Tau

Thank you for your help everytime

 

I have a question

 

The situation is like this.

The customer is using the powerpmac cpu board.

(firmware version : 2.1.1.3)

It was operating normally for several months.

 

Suddenly the machine stops running with Sys.WDTFault=1

The RDY LED on the front of the CPU board has turned off.

The following logs were sent to the debug serial.

Xenomai: Posix: closing semaphore "PPMACPLCCSem0".

Xenomai: Posix: closing semaphore "PPMACUserSem1".

Xenomai: Posix: closing semaphore "PPMACPLCCSem1".

Xenomai: Posix: closing semaphore "PPMACUserSem2".

Xenomai: Posix: closing semaphore "PPMACPLCCSem2".

...~~...

Xenomai: Posix: closing semaphore "PPMACUserSem30".

Xenomai: Posix: closing semaphore "PPMACPLCCSem30".

Xenomai: Posix: closing semaphore "PPMACUserSem31".

Xenomai: Posix: closing semaphore "PPMACPLCCSem31".

Xenomai: Posix: closing semaphore "PPMACRtiSem".

Xenomai: Posix: closing semaphore "PPMACRtiIntrSem".

Xenomai: Posix: closing semaphore "PPMACFuncLoad".

Xenomai: Posix: closing semaphore "PPMACFuncUnload".

Xenomai: Posix: closing semaphore "PPMACStartIoctl".

Xenomai: Posix: closing semaphore "PPMACFinishIoctl".

Xenomai: Posix: closing semaphore "PPMACBKGStart".

 

This is all I have checked from the customer.

 

My opinion is

Perhaps gppmac seems to have stopped.

 

I have a question

 

1) What are the conditions under which this situation can occur?

(Sys.WDTFault==1, RDY LED Turn Off, Debug Message Occur )

 

2) Is there an expected cause?

 

3) What variables are there to check for the cause?

 

4) Are there any variables that I can monitor ?

 

5) What are some things I need to check to determine the cause?

 

6) Do you have any advice on this situation?

 

 

Thank you for your help everytime

Best regards

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