[Jack-Devel] jackdbus process eats two CPU cores for hours on end

[Thomas Howe]

I tried running in non-realtime, and it still happens. I'll try to get the
debug symbols and run "perf record" in a few days.

At 192kHz that makes sense, but it happens for the same amount of time at
96kHz which is confusing, but I reckon it's safe to say this is a frame
counter-related bug :)

Is there a way to reduce the size of the frame counter from 32 bits to
something like 20, so I wouldn't have to leave the process running over 6
hours each time I do a test?

On 7 December 2016 at 10:50, John Rigg <j at jrigg.co.uk> wrote:

> On Tue, Dec 06, 2016 at 07:03:04PM +0000, Thomas Howe wrote:
> > It does seem to be consistently 6 hours and 13 minutes before the process
> > spike, even when the sample rate is changed from 96 kHz to 192 kHz.
>
> At 192kHz the JACK frame counter (32 bit uint) overflows and rolls over
> to zero after approximately 6hr 12min 49.6s. Coincidence?
>
> John
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