Kip and list, On Sat, Nov 6, 2021 at 2:34 PM Kip Warner <k...@thevertigo.com> wrote:
> On Sat, 2021-11-06 at 22:13 +0100, Takashi Iwai wrote: > > It depends rather on your system setup and desktop environment. > > Usually the device file permissions are managed by logind and > > modified dynamically at login via ACL. > > > > As it's no kernel issue, better to ask your distro. > > It probably is a distro issue. But at least we know now that it works > and it's just a matter of fiddling with permissions. Thanks Takashi. > Some distros prefer permission changes related to alsa tools and some advise against it. For example on the Arch Linux wiki <https://wiki.archlinux.org/title/Advanced_Linux_Sound_Architecture> User privileges Usually, local users have permission to play audio and change mixer levels. To allow remote users to use ALSA, you need to add <https://wiki.archlinux.org/title/Users_and_groups#Group_management> those users to the audio group, however this is not recommended by default (see note below). *Note:* Adding users to the audio group allows direct access to devices. Keep in mind, that this allows applications to exclusively reserve output devices. This may break software mixing or fast-user-switching on multi-seat systems. Therefore, adding a user to the audio group is *not* recommended by default; unless you specifically need to  <https://wiki.ubuntu.com/Audio/TheAudioGroup>. -- Chris Hermansen · clhermansen "at" gmail "dot" com C'est ma façon de parler.
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