https://bugs.kde.org/show_bug.cgi?id=436542
Bug ID: 436542
Summary: Plasmashell hangs when a highdpi monitor is pluged in.
Product: plasmashell
Version: 5.21.2
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: quelque_...@yahoo.fr
CC: plasma-b...@kde.org
Target Milestone: 1.0
Created attachment 138118
--> https://bugs.kde.org/attachment.cgi?id=138118&action=edit
Stacktrace with gdb
SUMMARY
The system hangs when the highDPI monitor is plugged in.
STEPS TO REPRODUCE
1. Plugin the HighDPI monitor to the HDMI of the laptop.
OBSERVED RESULT
The system hangs. No control over audio anymore. It is not possible to have any
control, even on the resolution or luminosity anymore.
The only way to fix the hang is to kill plasmashell, unplug the monitor and
restart plasmashell.
EXPECTED RESULT
Well, having another monitor working.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: archlinux with plasma 5.24.1-1 but also previous versions.
(available in About System)
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Plasma is running with Xorg.
The video card is:
`$lspci -v
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Wani
[Radeon R5/R6/R7 Graphics] (rev c8) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device 1108
Flags: bus master, fast devsel, latency 0, IRQ 48, IOMMU group 0
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at d2800000 (64-bit, prefetchable) [size=8M]
I/O ports at 5000 [size=256]
Memory at d3500000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: amdgpu
Kernel modules: amdgpu
`
Added, a couple of stacktraces when it occurs.
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