[XPS 13 7390 2-in-1, Intel Icelake HDMI, Digital Out, HDMI] sound rarely works
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
I have an Ice Lake laptop (Dell 7390 2-in-one) which I am connecting to a TV over HDMI via a Novoo USB-C multiport adapter. This is not a Thunderbolt device, it is just USB-C.
It seemed like things used to work fine before I upgraded this system from Ubuntu 19.10 to 20.04, although I couldn't say for certain at this point. But I'm having a ton of difficulty getting audio output over HDMI. Getting it to work requires a lot of retries to reinitialize the device (either by suspending/resuming the laptop, or plugging/unplugging the HDMI cable and/or the multiport adapter). It does work sometimes, but my success rate is very low at this point.
Even when it does work, it's brittle: any change to the output port (to speaker and back to HDMI, or from stereo to surround and back) will often break the audio. This fact seems to suggest that the problem doesn't have anything to do with the low-level initialization of the HDMI port; I'd be looking at some mid-layer code.
To be clear, there doesn't seem to be any particular symptom, or anything of interest in the logs, other than an absence of sound output.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+
ProcVersionSign
Uname: Linux 5.6.0-1010-oem x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/pcmC0D9p: nbryant 1510 F...m pulseaudio
CasperMD5CheckR
CurrentDesktop: ubuntu:GNOME
Date: Mon May 18 17:32:11 2020
InstallationDate: Installed on 2020-01-31 (108 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
PackageArchitec
ProcEnviron:
TERM=xterm-
PATH=(custom, no user)
XDG_RUNTIME_
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Digital Out, HDMI
Symptom_
May 18 16:36:42 atlantis dbus-daemon[633]: [system] Activating via systemd: service name='org.
May 18 16:36:53 atlantis systemd[1109]: pulseaudio.service: Succeeded.
May 18 16:37:03 atlantis systemd[1109]: pulseaudio.socket: Succeeded.
Symptom_Type: Sound works for a while, then breaks
Title: [XPS 13 7390 2-in-1, Intel Icelake HDMI, Digital Out, HDMI] fails after a while
UpgradeStatus: Upgraded to focal on 2020-04-21 (27 days ago)
dmi.bios.date: 03/02/2020
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.1
dmi.board.name: 06CDVY
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 31
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.family: XPS
dmi.product.name: XPS 13 7390 2-in-1
dmi.product.sku: 08B0
dmi.sys.vendor: Dell Inc.
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CasperMD5CheckR
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2020-01-31 (108 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
Lsusb:
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 8087:0026 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 13 7390 2-in-1
Package: linux (not installed)
ProcEnviron:
TERM=xterm-
PATH=(custom, no user)
XDG_RUNTIME_
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=
ProcVersionSign
RelatedPackageV
linux-
linux-
linux-firmware 1.187
Tags: focal
Uname: Linux 5.6.0-1010-oem x86_64
UpgradeStatus: Upgraded to focal on 2020-04-21 (27 days ago)
UserGroups: adm cdrom dip docker lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 03/02/2020
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.1
dmi.board.name: 06CDVY
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 31
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.family: XPS
dmi.product.name: XPS 13 7390 2-in-1
dmi.product.sku: 08B0
dmi.sys.vendor: Dell Inc.
affects: | alsa-driver (Ubuntu) → linux (Ubuntu) |
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1879401
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.