[LAU] Long-running jack_capture multi-track recording corruption?

David Kastrup dak at gnu.org
Sat Apr 3 18:24:42 CEST 2021

Andrew Grathwohl <andrew at grathwohl.me> writes:

> Hi list,
> I am using jack_capture to record 2 inputs and 20 outputs going
> through SuperCollider for a duration of between 30-45 minutes, using
> the following command line:
> jack_capture -f wavex -p supernova:* test.wav
> This has worked well for my use case for several years. However, since
> yesterday this command line fails to capture the entire recorded
> performance, despite jack_capture showing the meters responding to the
> audio correctly. Whenever the recording duration exceeds approximately
> 20 minutes, the output file will only contain the first 5-10
> minutes. However, if we only do a 5-10 minute recording, the entire
> recording is captured and saved properly.

Sounds like a file size problem?  Something like a 2GiB or 4GiB related

Have you changed file systems?

David Kastrup

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