https://bugs.kde.org/show_bug.cgi?id=467756
Bug ID: 467756
Summary: Plasma crashes when turning on main monitor
Classification: Plasma
Product: plasmashell
Version: 5.27.3
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: plasma-b...@kde.org
Reporter: nanomusicb...@gmail.com
CC: aleix...@kde.org, notm...@gmail.com
Target Milestone: 1.0
Created attachment 157552
--> https://bugs.kde.org/attachment.cgi?id=157552&action=edit
ZIP file with 3 crash reports. Two of those state Konsole as the host
application because I tried running "kstart5 plasmashell" after a crash.
Hello. I have a dual monitor setup on my Arch Linux system. I have noticed
Plasma crashing when turning my main monitor on after it has been turned off.
Main monitor is a Samsung 27'' Curved Display, secondary is an older Samsung
23'' TV, now only used as a monitor. Both are connected through HDMI to my
Sapphire Nitro+ RX580.
Reproduction steps are as follows:
1) Turn off both monitors
2) Turn secondary monitor on - nothing happens, system continues to function
normally
3) Turn main monitor on - Plasma crashes
After the crash, Plasma restarts (taskbar & desktop icons vanish and reappear
after a couple seconds), but the display configuration is messed up (main
monitor becomes secondary and vice versa), and I have to restart my PC to get
it back to normal. The KDE Crash Handler window appears only when Plasma is
started with the '--no-respawn' argument.
I have to note the frequency of the issue though: on my previous Ryzen APU's
integrated graphics (Ryzen 3 3200G) the issue occurred once in a while. After
upgrading to the RX 580 and changing my CPU to a Ryzen 5 2600 (no integrated
graphics) it occurrs every single time I turn off and then turn on my main
monitor. Changing from the HDMI to the DVI or DisplayPort port(s) on my
graphics card does not do anything - the issue still remains.
Crash reports are attached. (Note: The "displayport" crash report was taken
when I tried connecting my main monitor to the DisplayPort port to see if
anything would change.)
Also, this issue only occurs when using X11 as my window system - on Wayland
there are no crashes. But, I really don't want to change to Wayland, since
screen recording and similar features (such as screen sharing) do not work.
System software information:
Operating system: Arch Linux (253.1-3-arch)
Kernel: 6.1.20-1-lts x64
KDE Plasma Version: 5.27.3
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.8
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