[ACPI] confusing debug message (suspend)

[Randy D. <ran...@li...>]

During a suspend, a user sees:

Stopping tasks: ==========|
acpi_bus-0201 [57] bus_set_power         : Device is not power manageable
PM: Entering mem sleep

When a user sees this, is there anything that s/he should do?
Does this prevent or hinder or harm suspend/resume capabilities?

The line number and thread_id are unclear IMO.
What thread_id is this?
Is there some way that we can get some kind of device info
into this message?

Thanks,
---
~Randy