OpenONU Adapter hits an exception while trying to configure techprofile during device delete in progress.

During the scale testing of the FTTH subscribers , when an OLT is rebooted during activation of the subscribers OpenONU Adapter hits an exception.

Attached the traceback report.

+ROOT CAUSE ANALYSIS: +

A delete device call has been issued to the device from rwcore , meanwhile simultaneously a tech profile download request has been triggered from olt adapter for the ongoing flow configuration process that is triggered before to deletion . This has caused the access of invalid objects causing segmentation fault.

SOLUTION:

At the download tech profile request RPC call , check if the device deletion is in progress and then handle the device deletion.