[LAD] JACK and computer sleeping

[Jörn Nettingsmeier]

MarcO'Chapeau wrote:
> On Thu, 5 Mar 2009 09:07:10 -0500, Paul Davis <paul at linuxaudiosystems.com>
> wrote:
>> On Thu, Mar 5, 2009 at 9:02 AM, nescivi <nescivi at gmail.com> wrote:
>>
>>> Hiho,
>>>
>>> It seems that JACK (just tested with v0.116) does not survive when the
>>> computer is put to sleep, and woken up again.
>>>
>>> Is there any reason why this is so?
>>
>> JACK will see this as a major system malfunction. If you are using JACK,
> do
>> not let your computer sleep, or suspend, or engage in CPU frequency
>> scaling.
>> These all appear to JACK as indistinguishable from your audio interface
>> ceasing to function in a way that leads it to quit or die. Remember that
>> JACK is watching the passing of absolute time.
> 
> While cpu freq scaling *might* confuse JACK, it seems is not the case here.
> Sleep is a whole different story...

for the record, i have not seen problems due to frequency scaling
either. at least i've switched it off whenever i encountered jack
problems, and it has never made a difference.