[LAD] JACK and computer sleeping

Emanuel Rumpf xbran at web.de
Thu Mar 5 18:18:56 UTC 2009


2009/3/5 Paul Davis <paul at linuxaudiosystems.com>:
> 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.
>
Wouldn't it make sense, to provide a notify for jack (from the
hibernate script),
before the system goes to sleep, so jack could then pause processing
appropriately?
Hibernation is becoming very common and a favored feature.



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