Question regarding completion signal in S3 flow

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Hi All,

I have question related to suspend flow and completion signal:

Is it possible that a completion signal could be missed in S3 flow after
processes are frozen? 

The scenario is:

Suspend_thread->...->dpm_suspend_start->suspend->Wait_for_completion_timeout->do
es not receive signal and times out

Interrupt->complete->

This happens very rare, there are other reason why wait_for_completion_times out
like interrupt not received but I just want
To make sure if completion signal is not lost during S3.

I'm using 2.6.35+ kernel

-Illyas

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