https://bugs.kde.org/show_bug.cgi?id=412872
Bug ID: 412872
Summary: KDE becomes unresponsive after connecting keyboard
with US internal layout.
Product: frameworks-kglobalaccel
Version: 5.62.0
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kdelibs-b...@kde.org
Reporter: ake...@akendo.eu
Target Milestone: ---
SUMMARY
KDE becomes unresponsive after connecting a keyboard with a US internal layout.
This unresponsive last for several minutes and freeze the whole desktop.
In general it takes around 5 upto 15 minutes until KDE continues to operate as
usually. During this period, the CPU load jumps to 2 and at least one core is
at 100%
STEPS TO REPRODUCE
1. Go to Keyboard System Settings
2. Add an additional layout EurKEY and remove the default US layout
3. Connect a USB devices, preferable a keyboard to the computer
STEPS TO REPRODUCE
1. Suspend the laptop
2. Wake up the laptop
3. Re-connect the keyboard to the device
STEPS TO REPRODUCE
1. Connect a Bluetooth keyboard (Surface Keyboard)
2. Let the keyboard become inactive
3. Press any button on the keyboard
OBSERVED RESULT
Once the new USB devices is detected the whole desktop becomes unresponsive and
partly frozen.
EXPECTED RESULT
The computer should operate without any delay
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Archlinux
KDE Plasma Version: 5.16.5
KDE Frameworks Version: 5.62.0
Qt Version: 5.13.1
ADDITIONAL INFORMATION
I've been hit by this bug since KDE4 presumably on an older laptop of mine. I
always expected that the bug was related to a shitty EC controller, however,
I've got a freshly Lenovo t480. I've configure the keyboard layout to be us
international and the same behaviour is appearing.
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