Totally Unstable playback #101
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Check your JACK settings. If the "Period" is large (e.g 2048, 4096, etc.)
there is a known issue with the "rtmidi" code. You can change the period in
QJackCtl. You can also view the current JACK settings (requires jackdbus):
$ jack_control dp
and look at the line "period: Frames per period (uint:set:1024:2048)" and note
that the second number is the current setting. I have it set high at present
in order to work on sticky issue #100.
If set high, try setting it to 128. It will still be slightly raggy but
generally not noticeable.
Thanks for the video, very helpful to see.
…-------- sirjohndfox 05:31 Tue 11 Oct --------
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Further investigation leads me to believe it might be something with the realtime kernel and video drivers! bloody annoying! I wonder where to start looking... Actually can't pin it on the video driver - I don't know enough - but it seemed to stablise when i tried the vanilla kernel. The realtime kernel I'm using is NSPA's https://github.com/nine7nine/Linux-NSPA-pkgbuild |
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As regards the frames, I went down from 128 to 64 no difference. |
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One thing I have noted, is that a real-time kernel is not needed for JACK these
days. Still, not sure why that could cause an issue.
…-------- sirjohndfox 06:14 Tue 11 Oct --------
As regards the frames, I went down from 128 to 64 no difference.
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I've identified some flaws in the configuration of my system overall. I'll fix them and see if the error persists. Feel free to close the issues. Sorry if it was irrelevant.
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…------- Original Message -------
On Thursday, October 13th, 2022 at 3:46 AM, C. Ahlstrom ***@***.***> wrote:
One thing I have noted, is that a real-time kernel is not needed for JACK these
days. Still, not sure why that could cause an issue.
-------- sirjohndfox 06:14 Tue 11 Oct --------
>As regards the frames, I went down from 128 to 64 no difference.
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Whatever you find out, let us know here. It could be very useful to include in
the documentation. Thanks!
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Closing. If still an issue, make a new report and make me earn my keep! |
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Just compiled seq66 can't get steady playback. Not sure if it's my system, new to manjaro and might have done a dubious up-date. But it hangs often and then releases a whole bunch of notes...
Tried with yoshimi too. same thing... Is my system broken?
https://youtu.be/v6H4LGk8Kyc
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