Bug 410656 - The increase (or decrease) of the audio volume with the keyboard shortcut produces a loop in certain conditions (increase/decrease won't stop)
Summary: The increase (or decrease) of the audio volume with the keyboard shortcut pro...
Status: RESOLVED WORKSFORME
Alias: None
Product: plasma-pa
Classification: Unmaintained
Component: general (other bugs)
Version First Reported In: 5.16.4
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: David Rosca
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-08-06 15:10 UTC by steddy
Modified: 2024-09-25 15:33 UTC (History)
3 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

Attachments
plasma-pa infinite volume increase or decrease (3.30 MB, video/mp4)
2019-08-06 15:10 UTC, steddy 		Details
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Description steddy 2019-08-06 15:10:29 UTC 
Created attachment 121972 [details]
plasma-pa infinite volume increase or decrease

Using the keyboard shortcut to increase the volume *in a particular way* makes the popping sound play indefinitely. Basically, the system won't stop increasing the volume. You can see this well in the attachment.

HOW TO REPRODUCE THE BUG: Keep pressing Fn, Keep Pressing F3 (in my case) to increase the volume, and after 2-3 secs, first release Fn, then release F3.

If you open plasma-pa widget to control the volume, you can see the slider keeps moving right, even though I bring it to the left.
In order to "stop" the bug, I have to hit another random key. Note that this also happens if I enable the hotkey mode in the BIOS (meaning that pressing F3 alone increases the volume).
Some other (possibly related) information: if I record the bug with SimpleScreenRecorder, it keeps giving some warning: "Too many audio samples, dropping samples to keep the audio in sync with the video."

IMPORTANT: This also happens DECREASING the volume (the volume slider would keep going from right to left if I drag it).

Operating System: Arch Linux 
KDE Plasma Version: 5.16.4
KDE Frameworks Version: 5.60.0
Qt Version: 5.13.0
Kernel Version: 5.2.5-arch1-1-ARCH
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-8565U CPU @ 1.80GHz
Memory: 7.6 GiB
Comment 1 David Rosca 2019-08-06 15:36:55 UTC 
Are you using Wayland or X11? It seems an like issue with global shortcuts.
Comment 2 steddy 2019-08-06 15:47:06 UTC 
(In reply to David Rosca from comment #1)
> Are you using Wayland or X11? It seems an like issue with global shortcuts.

I'm using X11. I didn't touch the Audio Volume global shortcuts: https://imgur.com/a/LfHd7bc
Comment 3 steddy 2019-09-25 17:05:55 UTC 
I get the same in Kubuntu with default shortcuts.

Operating System: Kubuntu 19.04
KDE Plasma Version: 5.15.4
KDE Frameworks Version: 5.56.0
Qt Version: 5.12.2
Kernel Version: 5.0.0-29-generic
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-8565U CPU @ 1.80GHz
Memory: 7,6 GiB of RAM
Comment 4 steddy 2019-10-24 17:45:16 UTC 
Persists in Kubuntu 19.10 with Plasma 5.17.1. Quite annoying

Operating System: Kubuntu 19.10
KDE Plasma Version: 5.17.1
KDE Frameworks Version: 5.62.0
Qt Version: 5.12.4
Kernel Version: 5.3.0-19-generic
OS Type: 64-bit
Comment 5 steddy 2020-11-16 14:04:47 UTC 
This bug persists in Kubuntu 20.04 and Ubuntu 20.04.
Thus, I think the bug might be related to lower-level components (Alsa, Pulseaudio, I don't know...).

The bug doesn't happen in Windows.
Comment 6 Harald Sitter 2024-09-25 11:08:05 UTC 
Is this still a problem?
Comment 7 steddy 2024-09-25 11:20:13 UTC 
(In reply to Harald Sitter from comment #6)
> Is this still a problem?

Unfortunately, I don't use KDE Plasma anymore so I can't tell.