It never worked properly as far as I know. The problem still exists
with 4.14-rc7.
Linux mi 4.14.0-041400rc7-generic #201710292231 SMP Sun Oct 29 22:32:07
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1721987
Title:
No sound from right audio channel
Status in linux package in Ubuntu:
Confirmed
Bug description:
No audio comes out of the right speaker on the laptop. When playing a
test video such as https://www.youtube.com/watch?v=hTvJoYnpeRQ the
right-channel audio is never heard (i.e., it does not get converted
into mono and played through the left speaker).
When plugging in headphones, audio is heard from both channels.
In Windows, both speakers work, so it is not a physical problem with
the speakers.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-12-generic 4.13.0-12.13 [modified:
boot/vmlinuz-4.13.0-12-generic]
ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3
Uname: Linux 4.13.0-12-generic x86_64
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: user 1127 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 7 12:58:01 2017
InstallationDate: Installed on 2017-10-07 (0 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
MachineType: HUAWEI HUAWEI MateBook X
ProcEnviron:
PATH=(custom, no username)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-12-generic.efi.signed
root=UUID=f0a69f35-7c1e-4280-b325-6b7fec6e174a ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.13.0-12-generic N/A
linux-backports-modules-4.13.0-12-generic N/A
linux-firmware 1.168
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/14/2017
dmi.bios.vendor: HUAWEI
dmi.bios.version: 1.12
dmi.board.name: HUAWEI MateBook X
dmi.board.vendor: HUAWEI
dmi.board.version: 2.0
dmi.chassis.type: 10
dmi.chassis.vendor: HUAWEI
dmi.modalias:
dmi:bvnHUAWEI:bvr1.12:bd08/14/2017:svnHUAWEI:pnHUAWEIMateBookX:pvr2.0:rvnHUAWEI:rnHUAWEIMateBookX:rvr2.0:cvnHUAWEI:ct10:cvr:
dmi.product.family: HUAWEI MateBook
dmi.product.name: HUAWEI MateBook X
dmi.product.version: 2.0
dmi.sys.vendor: HUAWEI
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