*** This bug is a duplicate of bug 2039970 ***
https://bugs.launchpad.net/bugs/2039970
hi Juerg,
unfortunately, I do not know if there was a bug report on this issue. I just
made empirical tests with different kernels to confirm that in was fixed in
5.19 and then came back in 6.x
current bug has attachments about 5.19 kernel which works.
Here is the bug with Mantic kernel debug logs
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2039970
** This bug has been marked a duplicate of bug 2039970
Kernels 6.x have a regression for Audio via HDMI
--
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https://bugs.launchpad.net/bugs/2039882
Title:
Kernels 6.x have a regression for Audio via HDMI
Status in linux package in Ubuntu:
Confirmed
Bug description:
[Dell Inspiron 16 7610]
All kernels of 6.x looks to be missing some port of the bug fix from
5.19
before and including kernel 5.15 there was a bug that after locking
the screen and logging back audio via HDMI was disappearing. Later the
bug was fixed and definitely not present in 5.19
However, this bug is present in 6.x kernels included in Lunar and
Mantic as well as in 6.5.7-060507.202310102154
Currently I rolled back to 5.19 to confirm that this issue is fixed in
this kernel.
```
cat /proc/version_signature > version.log
cat: /proc/version_signature: No such file or directory
```
```
lsb_release -rd
No LSB modules are available.
Description: Ubuntu 23.10
Release: 23.10
```
```
$ dpkg -l | grep linux-image
ii linux-image-6.5.0-9-generic 6.5.0-9.9
amd64 Signed kernel image generic
pi linux-image-generic 6.5.0.9.11
amd64 Generic Linux kernel image
pi linux-image-generic-hwe-22.04 6.5.0.9.11
amd64 Generic Linux kernel image
ii linux-image-unsigned-5.19.17-051917-generic 5.19.17-051917.202210240939
amd64 Linux kernel image for version 5.19.17 on 64 bit x86
SMP
ii linux-image-unsigned-6.5.7-060507-generic 6.5.7-060507.202310102154
amd64 Linux kernel image for version 6.5.7 on 64 bit x86 SMP
```
---
ProblemType: Bug
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 23.10
InstallationDate: Installed on 2022-06-19 (487 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64
(20220419)
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
Tags: mantic
Uname: Linux 5.19.17-051917-generic x86_64
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: Upgraded to mantic on 2023-10-19 (0 days ago)
UserGroups: adm cdrom dip lpadmin lxd microk8s plugdev sambashare sudo
_MarkForUpload: True
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