[LAU] MOTU AVB discussion from LAC
goli at posteo.net
Sun Jun 2 15:40:25 CEST 2019
I've read through the following threads:
Especially in the latter thread georgnk replied with the following:
I'm curious regarding those period clicks/xruns.
Reason being that I own a Motu 624 AVB and have been troubleshooting xruns
for a couple weeks now.
I've ended up filling a bug report:
It's basically about xruns happening within suspiciously regular time
intervals depending on
Various system optimizations do not make a difference. (RT kernel, realtime
priorities, cpu max performance, ...)
The attachment within https://bugzilla.kernel.org/show_bug.cgi?id=203659#c9
shows an analysis of
of a ftrace-trace, which shows a clear pattern in the interaction between
xhci and jackdbus whenever
such an xrun occurs.
By any chance, does someone else experience "sporadic" xruns even while the
system is idle,
that are actually of pretty regular nature?
Easiest way to verify this is to run cadence in verbose mode and have a look
at the message log;
specifically xrun messages and their timestamps.
Running at higher sample rates and low buffer size speeds up the occurrence
of these xruns in my case.
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