https://bugs.kde.org/show_bug.cgi?id=506423
Bug ID: 506423
Summary: Switching input source on an externally connected
monitor sometimes causes primary monitor to freeze
Classification: Plasma
Product: KScreen
Version First git-stable-Plasma/6.3
Reported In:
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: astroturf.statistic...@passmail.net
Target Milestone: ---
SUMMARY
I have a laptop and two monitors externally connected: one via USB-C to DP and
the other HDMI to HDMI. The first monitor I tend to switch the input source on
my first monitor so that it switches over to my Xbox and that is fine with no
issues as far as my system is concerned. Sometimes though, when I switch the
input source back to my Linux system, the primary monitor (the laptop) ends up
freezing. This doesn't always happen, and usually when I switch the input
source I can interact with my primary monitor just fine. When it's not fine,
the primary monitor is frozen. That means: the cursor is frozen in state, and I
can't interact with it at all. Oddly enough, the other two externally connected
monitors are just fine, and I can use the cursor on those monitors; effectively
there's two cursors at this point: one is frozen in state on the primary
monitor, and the other I can move. Disconnecting the hdmi/usb-c cables does not
work, so I effectively have to do a hard reboot to resolve the issue.
STEPS TO REPRODUCE
1. Have a primary monitor connected to two external monitors
2. Switch input source on one of the monitors
3. Not sure if time-bound, but switching input source back to the Linux can
result in primary monitor freezing
OBSERVED RESULT
Primary monitor freezes, cursor is frozen, can't interact with the primary
monitor at all. External ones are fine.
EXPECTED RESULT
All monitors should not be frozen and I should be able to interact with them
with no issues.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.15.3-1-MANJARO (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840HS w/ Radeon 780M Graphics
Memory: 62.0 GiB of RAM
Graphics Processor 1: AMD Radeon RX 7600M XT
Graphics Processor 2: AMD Radeon 780M Graphics
Manufacturer: TUXEDO
Product Name: TUXEDO Sirius 16 Gen1
Mesa: 25.1.4-arch1.1
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