[LAU] jack weirdness, and -verbose doesn't help

Gabriel Beddingfield gabrbedd at gmail.com
Tue Jul 19 00:49:49 UTC 2011


On 07/18/2011 06:02 PM, Eric Steinberg wrote:
> jackd -v -d firewire -r 44100 -n 3 -p 4096 2> jack_stderr.log >
> jack_stdout.log &

Snip...

> This works, for a while.  Jackd still gets xruns, but the recording
> happens and files are written properly.  However, after several hours
> and a whole lot of xruns, it stops working.  Files are still written and
> named properly, but they are only a few hundred k in size and contain no
> audio.  The error logs show the xruns, but nothing else (no error

How many hours?  Is it a regular number?

What happens when jack_frame_time() overflows? (jack_nframes_t, 32-bit 
unsigned)  At 44.1k this would be about 27 hours.

-gabriel


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