Public bug reported:

I have connected an external monitor to my laptop via HDMI. To the
monitor I have connected headphones.

I have redirected the sound output via the HDMI connection.

Every time when I have for example a video playing and the Desktop goes
to the lock screen after a while. The sound start coming out of the
internal speakers of the laptop. This is definitely no what I want to
happen.

Imagine this happens in an office or in the bedroom in the middle of the
night?

The sound output should not be redirected to the internal speaker even
if the external monitor goes to sleep.

ProblemType: Bug
DistroRelease: Ubuntu 24.10
Package: xorg 1:7.7+23ubuntu3
ProcVersionSignature: Ubuntu 6.11.0-19.19-generic 6.11.11
Uname: Linux 6.11.0-19-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.capabilities.fabric-imex-mgmt:
 DeviceFileMinor: 4323
 DeviceFileMode: 256
 DeviceFileModify: 1
.proc.driver.nvidia.capabilities.gpu0: Error: path was not a regular file.
.proc.driver.nvidia.capabilities.mig: Error: path was not a regular file.
.proc.driver.nvidia.gpus.0000.01.00.0: Error: path was not a regular file.
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.suspend: suspend hibernate resume
.proc.driver.nvidia.suspend_depth: default modeset uvm
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  560.35.03  Fri Aug 16 21:39:15 
UTC 2024
 GCC version:  gcc version 14.2.0 (Ubuntu 14.2.0-4ubuntu2)
ApportVersion: 2.30.0-0ubuntu4.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 19 06:28:52 2025
DistUpgraded: 2025-02-16 10:13:44,584 DEBUG Running PostInstallScript: 
'/usr/lib/ubuntu-advantage/upgrade_lts_contract.py'
DistroCodename: oracular
DistroVariant: ubuntu
DkmsStatus:
 nvidia/560.35.03, 6.11.0-14-generic, x86_64: installed (WARNING! Diff between 
built and installed module!) (WARNING! Diff between built and installed 
module!) (WARNING! Diff between built and installed module!) (WARNING! Diff 
between built and installed module!) (WARNING! Diff between built and installed 
module!)
 nvidia/560.35.03, 6.11.0-18-generic, x86_64: installed
 nvidia/560.35.03, 6.11.0-19-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation HD Graphics 630 [8086:591b] (rev 04) (prog-if 00 [VGA 
controller])
   Subsystem: Dell Device [1028:0798]
 NVIDIA Corporation GP107M [GeForce GTX 1050 Ti Mobile] [10de:1c8c] (rev a1) 
(prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:0798]
InstallationDate: Installed on 2022-05-01 (1053 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
MachineType: Dell Inc. Inspiron 15 7000 Gaming
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-19-generic 
root=UUID=19e3ad11-d1ce-49ce-8809-80fc68612eb3 ro quiet splash 
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M 
vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to oracular on 2025-02-16 (31 days ago)
dmi.bios.date: 08/30/2021
dmi.bios.release: 1.15
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.15.0
dmi.board.name: 065C71
dmi.board.vendor: Dell Inc.
dmi.board.version: X02
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.15.0:bd08/30/2021:br1.15:svnDellInc.:pnInspiron157000Gaming:pvr:rvnDellInc.:rn065C71:rvrX02:cvnDellInc.:ct10:cvr:sku0798:
dmi.product.family: Inspiron
dmi.product.name: Inspiron 15 7000 Gaming
dmi.product.sku: 0798
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.122-1
version.libgl1-mesa-dri: libgl1-mesa-dri 24.2.8-1ubuntu1~24.10.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.13-2ubuntu1.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20210115-1build1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-3ubuntu1

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug oracular ubuntu wayland-session

** Description changed:

  I have connected an external monitor to my laptop via HDMI. To the
  monitor I have connected headphones.
  
  I have redirected the sound output via the HDMI connection.
  
  Every time when I have for example a video playing and the Desktop goes
  to the lock screen after a while. The sound start coming out of the
  internal speakers of the laptop. This is definitely no what I want to
  happen.
  
  Imagine this happens in an office or in the bedroom in the middle of the
  night?
  
+ The sound output should not be redirected to the internal speaker even
+ if the external monitor goes to sleep.
+ 
  ProblemType: Bug
  DistroRelease: Ubuntu 24.10
  Package: xorg 1:7.7+23ubuntu3
  ProcVersionSignature: Ubuntu 6.11.0-19.19-generic 6.11.11
  Uname: Linux 6.11.0-19-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.driver.nvidia.capabilities.fabric-imex-mgmt:
-  DeviceFileMinor: 4323
-  DeviceFileMode: 256
-  DeviceFileModify: 1
+  DeviceFileMinor: 4323
+  DeviceFileMode: 256
+  DeviceFileModify: 1
  .proc.driver.nvidia.capabilities.gpu0: Error: path was not a regular file.
  .proc.driver.nvidia.capabilities.mig: Error: path was not a regular file.
  .proc.driver.nvidia.gpus.0000.01.00.0: Error: path was not a regular file.
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.suspend: suspend hibernate resume
  .proc.driver.nvidia.suspend_depth: default modeset uvm
  .proc.driver.nvidia.version:
-  NVRM version: NVIDIA UNIX x86_64 Kernel Module  560.35.03  Fri Aug 16 
21:39:15 UTC 2024
-  GCC version:  gcc version 14.2.0 (Ubuntu 14.2.0-4ubuntu2)
+  NVRM version: NVIDIA UNIX x86_64 Kernel Module  560.35.03  Fri Aug 16 
21:39:15 UTC 2024
+  GCC version:  gcc version 14.2.0 (Ubuntu 14.2.0-4ubuntu2)
  ApportVersion: 2.30.0-0ubuntu4.2
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: pass
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Mar 19 06:28:52 2025
  DistUpgraded: 2025-02-16 10:13:44,584 DEBUG Running PostInstallScript: 
'/usr/lib/ubuntu-advantage/upgrade_lts_contract.py'
  DistroCodename: oracular
  DistroVariant: ubuntu
  DkmsStatus:
-  nvidia/560.35.03, 6.11.0-14-generic, x86_64: installed (WARNING! Diff 
between built and installed module!) (WARNING! Diff between built and installed 
module!) (WARNING! Diff between built and installed module!) (WARNING! Diff 
between built and installed module!) (WARNING! Diff between built and installed 
module!)
-  nvidia/560.35.03, 6.11.0-18-generic, x86_64: installed
-  nvidia/560.35.03, 6.11.0-19-generic, x86_64: installed
+  nvidia/560.35.03, 6.11.0-14-generic, x86_64: installed (WARNING! Diff 
between built and installed module!) (WARNING! Diff between built and installed 
module!) (WARNING! Diff between built and installed module!) (WARNING! Diff 
between built and installed module!) (WARNING! Diff between built and installed 
module!)
+  nvidia/560.35.03, 6.11.0-18-generic, x86_64: installed
+  nvidia/560.35.03, 6.11.0-19-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
-  Intel Corporation HD Graphics 630 [8086:591b] (rev 04) (prog-if 00 [VGA 
controller])
-    Subsystem: Dell Device [1028:0798]
-  NVIDIA Corporation GP107M [GeForce GTX 1050 Ti Mobile] [10de:1c8c] (rev a1) 
(prog-if 00 [VGA controller])
-    Subsystem: Dell Device [1028:0798]
+  Intel Corporation HD Graphics 630 [8086:591b] (rev 04) (prog-if 00 [VGA 
controller])
+    Subsystem: Dell Device [1028:0798]
+  NVIDIA Corporation GP107M [GeForce GTX 1050 Ti Mobile] [10de:1c8c] (rev a1) 
(prog-if 00 [VGA controller])
+    Subsystem: Dell Device [1028:0798]
  InstallationDate: Installed on 2022-05-01 (1053 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 
(20220419)
  MachineType: Dell Inc. Inspiron 15 7000 Gaming
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-19-generic 
root=UUID=19e3ad11-d1ce-49ce-8809-80fc68612eb3 ro quiet splash 
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M 
vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to oracular on 2025-02-16 (31 days ago)
  dmi.bios.date: 08/30/2021
  dmi.bios.release: 1.15
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.15.0
  dmi.board.name: 065C71
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X02
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.15.0:bd08/30/2021:br1.15:svnDellInc.:pnInspiron157000Gaming:pvr:rvnDellInc.:rn065C71:rvrX02:cvnDellInc.:ct10:cvr:sku0798:
  dmi.product.family: Inspiron
  dmi.product.name: Inspiron 15 7000 Gaming
  dmi.product.sku: 0798
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.122-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 24.2.8-1ubuntu1~24.10.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
  version.xserver-xorg-core: xserver-xorg-core 2:21.1.13-2ubuntu1.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20210115-1build1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.17-3ubuntu1

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https://bugs.launchpad.net/bugs/2103572

Title:
  GNOME Desktop: HDMI audio incorrectly redirected to internal speakers
  when screen is locked.

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