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Smu hangs waiting for tsplink trigger

Models 2601, 2602, 2611, 2612, 2635, 2636
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[email protected]
Posts: 4
Joined: June 18th, 2018, 4:59 am
Country: Singapore

Smu hangs waiting for tsplink trigger

Post by [email protected] » October 3rd, 2018, 7:42 am

I finally trying to run my script in production, but after about 6000 test cycles one of the nodes(other than node 1) in my stack of 5 hangs waiting for tsplink trigger 1. since i am running independent scripts in all nodes to save up on setup times, I use the tsplink trigger[1] (launched by node 1 )to synchronize all of them with amazing results. however, when I try to deploy for wafer level test i face this issue which was not available during development.
here is diagram of my program. FYI, when i run RunParallelTests() to test 9 locations at the same time. each location corresponds to a channel.


Image
image url: https://imgur.com/a/wQQS8Ml
Please advise me on how to fix this bug

here is how i release the tsplink.trigger[1] from node 1 after it has finished setting up its trigger.initiates.

Code: Select all

 d2ScriptString = d2ScriptString .. "if tsplink.node == MainNode then "			
 d2ScriptString = d2ScriptString .. "delay(7.5E-4) "			
 d2ScriptString = d2ScriptString .. "tsplink.trigger[1].assert() "			
 d2ScriptString = d2ScriptString .. "else "			
 d2ScriptString = d2ScriptString .. "tsplink.trigger[1].wait(50e-3) "			
 d2ScriptString = d2ScriptString .. "end "			
I have tried increasing the delay to 5ms before i issue the tsplink.trigger[1].assert() but the issue still persists.

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