[Pkg-utopia-maintainers] Bug#1082772: More info on sound crackling issue

[Tyler Riddle]

Hello,

I've got some additional info to report with my problem.

First, as a status update, nothing has significantly changed for me. I'm
still getting usually infrequent and light crackling and at times very
frequent and heavy crackling. I've not been able to identify what variable
is in play here.

Second, I have another possible temporary workaround. This is tricky
because of the intermittent nature of the problem but it does appear that
in addition to restarting the pipewire-pulse process that restarting an
individual application suffering from audio crackling can also temporarily
resolve the crackling issue though it may take a few restarts in a row to
get there.

Third, I realized that way I listed the source of the builds for the
packages I've experienced the issue with was non-optimal. Here is a less
ambiguous report of packages and where they came from:


   - stable: firefox-esr, vlc, jackd2, linux-image-amd64
   - stable-backports: pipewire, telegram-desktop
   - winehq: wine-devel (Wine project official Debian builds)

Considering REAPER, wine-devel, and Proton Experimental are software that
is compiled outside of the Debian build system, or in the case of REAPER
and Proton Experimental I suspect without any Debian specific build process
or helpers at all, I think this demonstrates that the audio clients
themselves are not the problem for any Debian specific reason.

I also know of another user running Debian 12 that is suffering from the
same intermittent crackling issue. His problem showed up about 3 weeks ago
but otherwise his description of the issue sounds just like mine:
intermittent, sometimes light, sometimes heavy. though he has more luck
with getting the problem to stay away by running an older kernel build
(linux-image-amd64-22 as I recall).

Possibly related, I also know another user that is running Ubuntu 18.06 who
said they started experiencing audio crackling also around the same time I
did. I checked with them and they are using PulseAudio and not pipewire.

On one hand this appears to be kernel related but on the other hand, for
myself personally, I am not experiencing any audio issues when applications
are using the ALSA interface themselves or when using jackd2.

It's all certainly very odd.
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