Public bug reported:
I recently installed Ubuntu 20.04 on my Toshiba Satellite-L740 laptop. I seem
to lose audio periodically. At first I thought I hit something on the keyboard
accidentally, but can now confirm it is a random occurrence with no input from
me. I have tried toggling the mute/volume of the system but cannot recover the
audio. When the audio is lost there is still audio activity shown on the VU
meter from the source shown under the output device in sound settings. I also
plugged in headphones and am able to hear audio in the headset. When unplugging
headset the sound does not return to the speakers.
There was no issue with audio on the laptop prior to installing Ubuntu 20.04
(previously Windows 10). It seems to come back on it's own sometimes but then
gets lost again. A reboot of the machine sometimes recovers the audio but
sometimes not.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: joe 1410 F.... pulseaudio
/dev/snd/pcmC0D0c: joe 1410 F...m pulseaudio
/dev/snd/pcmC0D0p: joe 1410 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jul 5 19:23:02 2020
InstallationDate: Installed on 2020-06-02 (33 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_PulseAudioLog:
Jul 05 17:44:12 joe dbus-daemon[729]: [system] Activating via systemd: service
name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service' requested by
':1.26' (uid=125 pid=925 comm="/usr/bin/pulseaudio --daemonize=no
--log-target=jo" label="unconfined")
Jul 05 17:44:17 joe dbus-daemon[729]: [system] Activating via systemd: service
name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.38' (uid=125
pid=925 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo"
label="unconfined")
Jul 05 17:44:56 joe systemd[900]: pulseaudio.service: Succeeded.
Jul 05 17:45:05 joe systemd[900]: pulseaudio.socket: Succeeded.
Symptom_Type: Sound works for a while, then breaks
Title: [Satellite L745, Conexant CX20585, Speaker, Internal] fails after a while
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/26/2012
dmi.bios.vendor: INSYDE
dmi.bios.version: 2.60
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: Intel Corp.
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis Manufacturer
dmi.chassis.version: OEM Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvr2.60:bd06/26/2012:svnTOSHIBA:pnSatelliteL745:pvrPSK0YU-01V00E:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
dmi.product.family: Intel_Mobile
dmi.product.name: Satellite L745
dmi.product.sku: PSK0YU-01V00E
dmi.product.version: PSK0YU-01V00E
dmi.sys.vendor: TOSHIBA
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1886351
Title:
[Satellite L745, Conexant CX20585, Speaker, Internal] fails after a
while
Status in alsa-driver package in Ubuntu:
New
Bug description:
I recently installed Ubuntu 20.04 on my Toshiba Satellite-L740 laptop. I seem
to lose audio periodically. At first I thought I hit something on the keyboard
accidentally, but can now confirm it is a random occurrence with no input from
me. I have tried toggling the mute/volume of the system but cannot recover the
audio. When the audio is lost there is still audio activity shown on the VU
meter from the source shown under the output device in sound settings. I also
plugged in headphones and am able to hear audio in the headset. When unplugging
headset the sound does not return to the speakers.
There was no issue with audio on the laptop prior to installing Ubuntu 20.04
(previously Windows 10). It seems to come back on it's own sometimes but then
gets lost again. A reboot of the machine sometimes recovers the audio but
sometimes not.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: joe 1410 F.... pulseaudio
/dev/snd/pcmC0D0c: joe 1410 F...m pulseaudio
/dev/snd/pcmC0D0p: joe 1410 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jul 5 19:23:02 2020
InstallationDate: Installed on 2020-06-02 (33 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_PulseAudioLog:
Jul 05 17:44:12 joe dbus-daemon[729]: [system] Activating via systemd:
service name='org.freedesktop.RealtimeKit1' unit='rtkit-daemon.service'
requested by ':1.26' (uid=125 pid=925 comm="/usr/bin/pulseaudio --daemonize=no
--log-target=jo" label="unconfined")
Jul 05 17:44:17 joe dbus-daemon[729]: [system] Activating via systemd:
service name='org.bluez' unit='dbus-org.bluez.service' requested by ':1.38'
(uid=125 pid=925 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo"
label="unconfined")
Jul 05 17:44:56 joe systemd[900]: pulseaudio.service: Succeeded.
Jul 05 17:45:05 joe systemd[900]: pulseaudio.socket: Succeeded.
Symptom_Type: Sound works for a while, then breaks
Title: [Satellite L745, Conexant CX20585, Speaker, Internal] fails after a
while
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/26/2012
dmi.bios.vendor: INSYDE
dmi.bios.version: 2.60
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: Intel Corp.
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis Manufacturer
dmi.chassis.version: OEM Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvr2.60:bd06/26/2012:svnTOSHIBA:pnSatelliteL745:pvrPSK0YU-01V00E:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
dmi.product.family: Intel_Mobile
dmi.product.name: Satellite L745
dmi.product.sku: PSK0YU-01V00E
dmi.product.version: PSK0YU-01V00E
dmi.sys.vendor: TOSHIBA
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