Public bug reported:
During ISO testing of the beta Ubuntu Server 22.10 for Raspberry Pi
armhf image, on a Raspberry Pi 4B, I noted that the HDMI "sound card" no
longer appears in /proc/asound/cards; only the Headphones output (from
the AUX socket on the board) appears.
I checked with the current linux-raspi in the release pocket
(5.19.0-1001-raspi), and the new one in proposed (5.19.0-1002-raspi),
and both exhibit the same issue.
On Kinetic:
$ cat /proc/asound/cards
0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones
bcm2835 Headphones
On Jammy:
$ cat /proc/asound/cards
0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1
bcm2835 HDMI 1
1 [Headphones ]: bcm2835_headpho - bcm2835 Headphones
bcm2835 Headphones
** Affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- No HDMI sound output from alsa
+ No HDMI sound output from alsa in server (no KMS)
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Packages, which is subscribed to linux-raspi in Ubuntu.
https://bugs.launchpad.net/bugs/1991254
Title:
No HDMI sound output from alsa in server (no KMS)
Status in linux-raspi package in Ubuntu:
New
Bug description:
During ISO testing of the beta Ubuntu Server 22.10 for Raspberry Pi
armhf image, on a Raspberry Pi 4B, I noted that the HDMI "sound card"
no longer appears in /proc/asound/cards; only the Headphones output
(from the AUX socket on the board) appears.
I checked with the current linux-raspi in the release pocket
(5.19.0-1001-raspi), and the new one in proposed (5.19.0-1002-raspi),
and both exhibit the same issue.
On Kinetic:
$ cat /proc/asound/cards
0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones
bcm2835 Headphones
On Jammy:
$ cat /proc/asound/cards
0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1
bcm2835 HDMI 1
1 [Headphones ]: bcm2835_headpho - bcm2835 Headphones
bcm2835 Headphones
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1991254/+subscriptions
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