Public bug reported:
Steps to replicate the bug.
1. Start laptop with Ubuntu 18.04.3 LTS.
Sound from built-in speakers works fine.
Settings -> Sound -> Output shows one device: Speakers - Built-in Audio
2. Connect headphones (wired, mini-jack connector).
Sound from headphones works fine. No
Public bug reported:
1. Press fn+F3.
Ubuntu shows "Internal microphone" turned off OSD pop-up.
Should turn the brightness down.
2. Press fn+F3 again.
Ubuntu shows "Internal microphone" turned on OSD pop-up.
Should turn the brightness down.
1. Press fn+F4.
Ubuntu shows "Internal microphone"
Command `sudo showkey` prints following outputs:
F3
keycode 61 press
keycode 61 release
fn+F3 (identical to fn+F4, fn+F8)
keycode 190 press
keycode 190 release
F4
keycode 62 press
keycode 62 release
fn+F4 (identical to fn+F3, fn+F8)
keycode 190 press
keycode 190 release
F5
keycode 63
Sound function keys works almost OK:
1) fn+F5 mute/unmute outgoing sound, OK, however LED inside the key is always
off
2) fn+F6 decrease volume, OK
3) fn+F7 increase volume, OK
4) fn+F8 mute/unmute, OK, however LED inside the key is always off
But there are other function keys doesn't work as
Public bug reported:
1. Pair Logitech MX Master 3 bluetooth mouse with Ubuntu 18.04.3 LTS (don't use
Logitech bluetooth dongle, use built in laptop bluetooth)
2. Move cursor.
Cursor movement is choppy, laggy, like it's having 20 FPS refresh rate.
Workaround:
execute in terminal: `sudo hcitool
Hi Hui Wang.
Thanks for your reply.
I'm attaching requested files.
** Attachment added: "alsa-info.txt_speaker_ok"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1852067/+attachment/5304483/+files/alsa-info.txt_speaker_ok
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** Attachment added: "alsa-info.txt_speaker_fail"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1852067/+attachment/5304484/+files/alsa-info.txt_speaker_fail
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I have some additional observations (on regular kernel: 5.0.0-35-generic
#38~18.04.1-Ubuntu SMP Mon Nov 11 09:16:10 UTC 2019 x86_64 x86_64 x86_64
GNU/Linux):
I also have a HP docking station which has its own separated built-in
DAC. When laptop is connected to this docking station I can choose
** Attachment added: "alsa-info.txt.still-failed-built-in-speakers"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1852067/+attachment/5305011/+files/alsa-info.txt.still-failed-built-in-speakers
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** Attachment added: "alsa-info.txt.success-internal-headphones"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1852067/+attachment/5305010/+files/alsa-info.txt.success-internal-headphones
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** Attachment added: "alsa-info.txt.failed-built-in-speaker.txt"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1852067/+attachment/5305009/+files/alsa-info.txt.failed-built-in-speaker.txt
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I installed modified kernal:
5.0.0-34.36+conexant-codec-generic #codec SMP Tue Nov 12 22:40:14 CST 2019
x86_64 x86_64 x86_64 GNU/Linux
After system startup there is no sound from built-in speakers.
After connecting headphones sound works correctly in headphones.
After disconnecting headphones
Yes, the speakers behaves perfectly now. Thank you.
When auto-mute is enabled and I disconnect the headphones shouldn't the
global system volume be muted?
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After latest Ubuntu updates mouse seems to work properly without having
to execute
$ sudo hcitool lecup --handle 3585 --latency 0 --min 6 --max 8
Versions in my system:
$ uname -a
... 5.0.0-36-generic #39~18.04.1-Ubuntu SMP Tue Nov 12 11:09:50 UTC 2019 x86_64
x86_64 x86_64 GNU/Linux
$
Guys, maybe I can somehow help you with this issue?
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https://bugs.launchpad.net/bugs/1852071
Title:
[HP ZBook Studio G5, Ubuntu 18.04.3 LTS] Brightness
Thank you Hui Wang for your quick answer.
Could you help me with install and then uninstall procedure?
I understand that I have to install all these kernel packages with "sudo dpkg
-i". But:
1. What is the order of installation of these packages?
2. After installation how can I switch from
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