[kdemultimedia] [Bug 426977] New: After power up the HDMI audio device disappears

https://bugs.kde.org/show_bug.cgi?id=3D426977

            Bug ID: 426977
           Summary: After power up the HDMI audio device disappears
           Product: kdemultimedia
           Version: unspecified
          Platform: Kubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

SUMMARY
After powering up the PC a few minutes later my HDMI audio device turns off=
. It
is displayed in system settings>audio>advanced tab with the profile set to =
off
in the dropdown menu with no "on" selection displayed. Needless to say no s=
ound
output is produced. Restarting the computer always returns the audio device=
 for
a few minutes and if a movie is played sound is produced for the length of =
the
movie before the device disappears again.


Syslog produces:
pulseaudio[2564]: GetManagedObjects() failed:
org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes
include: the remote application did not send a reply, the message bus secur=
ity
policy blocked the reply, the reply timeout expired, or the network connect=
ion
was broken.

or a similar message that includes, GetManagedObjects() failed

There is no output to kernel log

STEPS TO REPRODUCE
1. Power on or restart the PC
2.=20
3.=20

OBSERVED RESULT
With no action the audio device just stops being detected.

EXPECTED RESULT
The audio device is always present and available to play sound

SOFTWARE/OS VERSIONS
Windows:=20
macOS:=20
Linux/KDE Plasma:=20
(available in About System)
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8

ADDITIONAL INFORMATION

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