Computer:
Dell inspiron 15 5577 Gaming
intel i5 7300HQ version
System:
Kubuntu 20.04
Bug:
Plug-in headphone has no sound out, meanwhile computer's speaker is okay when unplugged the headphone.
Additional information:
Headphone is okay when kubuntu 18.04.3 is installed on the computer.
Alsamixer is checked and headphone are not mute.
Headphone plugin state can be correctly detected, and speaker can automatically mute until headphone unplugged.
External usb soundcard is usable with headphone.
Computer:
Dell inspiron 15 5577 Gaming
intel i5 7300HQ version
System:
Kubuntu 20.04
Bug:
Plug-in headphone has no sound out, meanwhile computer's speaker is okay when unplugged the headphone.
Additional information:
Headphone is okay when kubuntu 18.04.3 is installed on the computer.
Alsamixer is checked and headphone are not mute.
Headphone plugin state can be correctly detected, and speaker can automatically mute until headphone unplugged.
External usb soundcard is usable with headphone.
ProblemType: Bug ature: Ubuntu 5.4.0-24.28-generic 5.4.30 dules: nvidia_modeset nvidia esult: skip /casper/ vmlinuz file=/cdrom/ preseed/ kubuntu. seed maybe-ubiquity quiet splash nomodeset --- 256color
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.12
ProcVersionSign
Uname: Linux 5.4.0-24-generic x86_64
NonfreeKernelMo
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckR
Date: Fri Apr 17 11:14:43 2020
InstallCmdLine: BOOT_IMAGE=
InstallationDate: Installed on 2020-04-16 (0 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200416)
ProcEnviron:
LANGUAGE=zh_CN:zh
TERM=xterm-
PATH=(custom, no user)
LANG=zh_CN.UTF-8
SHELL=/bin/bash
SourcePackage: ubiquity
Symptom: installer
UpgradeStatus: No upgrade log present (probably fresh install)