Hello Mario, i wonder if you could just do the UbuntuStudio-controls config
again. This fixed issues on my machine,

Good luck,

Roy Damen


Op za 10 dec. 2022 om 00:33 schreef mario buoninfante <
mario.buoninfa...@gmail.com>:

> I think I might have found the issue
>
>
> https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1966066
>
>
> On 04/12/2022 12:11, mario buoninfante wrote:
>
> Hi,
>
> Here's a bit more info and some updates.
> I'm running Xubuntu 22.04.1 with Ubuntu Studio (everything installed).
> I'm using a Focusrite Clarett 8pre USB as audio device running at 96kHz
> sample rate, 256 sample buffer size and 3 JACK period.
> I'm fully up-to-date and the kernel is Linux 5.15.0-56-lowlatency x86_64
> (I think the kernel got updated in the last round of updates).
>
> In the last 2 days I unsuccessfully tried to do the following (in
> non-particular order):
>
>    -
>
>    uninstall pipewire - too many dependencies, so I gave up on that
>    -
>
>    the combo
>    -
>
>       systemctl --user stop pipewire.socket && systemctl --user stop
>       pipewire.service
>       -
>
>       systemctl --user mask pipewire.service
>       -
>
>    re-install pulse audio
>    - in /etc/pulse/default.pa I added "tsched=0" to the line containing
>    "load-module module-udev-detect"
>    -
>
>    edit the files in /etc/pipewire/media-session.d adding:
>    -
>
>       session.suspend-timeout-seconds = 0
>       -
>
>    install pipewire-pulse
>    -
>
>    replace pipewire-session-manager with wireplumber
>    -
>
>    re-install pipewire-session-manager and remove wireplumber (this is
>    actually the last thing I tried, so now I don't have wireplumber anymore)
>
>
> Nothing helped.
> Then, after using:
>
>    -
>
>    systemctl --user status pipewire pipewire-session-manager
>
> I realised I was getting 2 errors:
>
>    -
>
>    mod.rt: could not set nice-level to -11: Permission denied
>    -
>
>    spa.v4l2: '/dev/video0' VIDIOC_QUERYCTRL: Input/output error
>
> I fixed the former adding
>
> @audio - nice -20
>
> to /etc/security/limits.d/audio.conf
>
> I didn't manage to address the latter though.
>
>
> The situation seems to have improved, not so much with streamed
> audio/video, but with audio only (eg audacious) - it might be too early to
> assess this though, since it was a late night move.
>
> I went from "totally unusable - glitches, pops and crackles 80% of the
> played audio", to "getting pops and crackles sporadically".
> Still makes my system unusable, since I mainly record/mix/produce music on
> my computer, but all improvements are welcome!
>
> With audio/video from the internet though (mainly YouTube via Firefox),
> I'm still getting terrible performance out of this.
>
>
> Cheers,
> Mario
>
>
>
>
>
>
> On 02/12/2022 21:09, mario buoninfante wrote:
>
> Hi,
>
> Recently I started having issues with the audio performance of my system
> (Ubuntu 22.04.1 LTS).
> It seemed to have started after my last update.
> Simply running "top" I noticed I have "pipewire" running and I was
> wondering if that could be the problem.
> I don't know if that has always been installed as I never checked before
> today, but I found online that several people are having similar issues
> both on Ubuntu and Fedora.
>
> Any feedback/recommendation is welcome :)
>
> Cheers,
> Mario
>
>
>
> --
> ---
> musician, QA engineer, mental health first aider MHFA England
> https://isoneph.bandcamp.com/https://vdof.bandcamp.com/http://mbuoninfante.tumblr.comhttps://vimeo.com/creativecodingsalernohttps://github.com/mariobuoninfante
>
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