>>
>> After all I think all this problems may be some who ACPI related
>> but the question is why they get triggered by Suspend/Hibernation.
>
> They certainly are ACPI-related, because the only difference between level 4
> and level 3 suspend testing is that some global ACPI methods are executed
> at level 3 (in addition to level 4).
>
> Unfortunately, I have no idea what to do next, for now.
>
> I think you can file a bug report at
http://bugzilla.kernel.org and put a link
> to this thread in there (against ACPI and please add my address to the CC
> list).