https://bugs.kde.org/show_bug.cgi?id=521463
Bug ID: 521463
Summary: Windows leave echos behind
Classification: Plasma
Product: plasmashell
Version First 6.4.5
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
DESCRIPTION
The main desktop is now showing correctly.
I have just moved from x11 over wayland from the login screen since I heard x11
is getting dropped and wanted to check out if its any better than last time,
within 5mins the desktop has broken. All I did was log in, edit the mouse to
not have acceleration and remove that annoying bump at the edge of the screen
and then opened my usual programs and this happened.
I am running with 4 monitors; 1 of them is 240hz (primary) and the rest are
60hz in a 2x2 grid, this is only happening on the primary monitor.
STEPS TO REPRODUCE
1. Will fill this out after a restart wanted to get the bug in while its
happening.
2.
3.
OBSERVED RESULT
windowed echo
EXPECTED RESULT
desktop background
SOFTWARE/OS VERSIONS
Operating System (available in the Info Center app, or by running `kinfo` in a
terminal window): Ubuntu 25.10
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.2
ADDITIONAL INFORMATION
(base) fennec@fennec-pc:~$ kinfo
Operating System: Ubuntu 25.10
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.2
Kernel Version: 6.17.0-35-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 9800X3D 8-Core Processor
Memory: 64 GiB of RAM (59.4 GiB usable)
Graphics Processor 1: AMD Radeon RX 7900 XTX
Graphics Processor 2: AMD Ryzen 7 9800X3D 8-Core Processor
(base) fennec@fennec-pc:~$ kscreen-doctor -o
Output: 1 DP-1 8c08065a-9b64-4169-a0fa-1f533fea5b6d
enabled
connected
priority 4
DisplayPort
replication source:0
Modes: 1:1920x1080@60*! 2:1920x1080@240 3:1920x1080@165
4:1920x1080@120 5:1920x1080@120 6:1920x1080@120 7:1920x1080@60
8:1920x1080@60 9:1920x1080@50 10:1680x1050@60 11:1280x1024@75
12:1280x1024@60 13:1440x900@60 14:1280x800@60 15:1152x864@75 16:1280x720@60
17:1280x720@60 18:1280x720@50 19:1024x768@75 20:1024x768@60 21:800x600@75
22:800x600@60 23:720x576@50 24:720x480@60 25:720x480@60 26:720x480@60
27:720x480@60 28:640x480@75 29:640x480@60 30:640x480@60 31:640x480@60
32:720x400@70 33:1280x1024@240 34:1024x768@240 35:1280x800@240
36:1600x900@60 37:1600x900@240 38:1368x768@60 39:1368x768@240
40:1280x720@240
Geometry: 0,1080 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 100% and dimming to 100%
Color resolution: automatic (10), range: [8; 16] bits per color
Allow EDR: unsupported
Output: 2 DP-2 8ed6f9c3-3247-40b5-a885-3d38886f89f1
enabled
connected
priority 1
DisplayPort
replication source:0
Modes: 41:1920x1080@60! 42:1920x1080@240* 43:1920x1080@165
44:1920x1080@120 45:1920x1080@120 46:1920x1080@120 47:1920x1080@60
48:1920x1080@60 49:1920x1080@50 50:1680x1050@60 51:1280x1024@75
52:1280x1024@60 53:1440x900@60 54:1280x800@60 55:1152x864@75 56:1280x720@60
57:1280x720@60 58:1280x720@50 59:1024x768@75 60:1024x768@60 61:800x600@75
62:800x600@60 63:720x576@50 64:720x480@60 65:720x480@60 66:720x480@60
67:720x480@60 68:640x480@75 69:640x480@60 70:640x480@60 71:640x480@60
72:720x400@70 73:1280x1024@240 74:1024x768@240 75:1280x800@240
76:1600x900@60 77:1600x900@240 78:1368x768@60 79:1368x768@240
80:1280x720@240
Geometry: 1920,1080 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 100% and dimming to 100%
Color resolution: automatic (10), range: [8; 16] bits per color
Allow EDR: unsupported
Output: 3 DP-3 208ba26e-9027-4376-8d00-30a922d466a1
enabled
connected
priority 3
DisplayPort
replication source:0
Modes: 81:1920x1080@60*! 82:1920x1080@60 83:1920x1080@60
84:1920x1080@60 85:1920x1080@50 86:1680x1050@60 87:1280x1024@75
88:1280x1024@60 89:1440x900@60 90:1280x960@60 91:1366x768@60 92:1280x800@60
93:1152x864@75 94:1280x720@60 95:1280x720@60 96:1280x720@60 97:1280x720@50
98:1024x768@75 99:1024x768@70 100:1024x768@60 101:832x624@75
102:800x600@75 103:800x600@72 104:800x600@60 105:800x600@56 106:720x576@50
107:720x576@50 108:720x480@60 109:720x480@60 110:720x480@60 111:720x480@60
112:720x480@60 113:640x480@75 114:640x480@67 115:640x480@60 116:640x480@60
117:640x480@60 118:720x400@70 119:1600x900@60 120:1368x768@60
Geometry: 1920,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 100% and dimming to 100%
Color resolution: automatic (10), range: [8; 16] bits per color
Allow EDR: unsupported
Output: 4 HDMI-A-1 cf864484-1bd6-48f3-8627-a63810b970de
enabled
connected
priority 2
HDMI
replication source:0
Modes: 121:1920x1080@60*! 122:1920x1080@60 123:1920x1080@60
124:1920x1080@60 125:1920x1080@50 126:1680x1050@60 127:1280x1024@75
128:1280x1024@60 129:1440x900@60 130:1280x960@60 131:1366x768@60
132:1280x800@60 133:1152x864@75 134:1280x720@60 135:1280x720@60
136:1280x720@60 137:1280x720@50 138:1024x768@75 139:1024x768@70
140:1024x768@60 141:832x624@75 142:800x600@75 143:800x600@72 144:800x600@60
145:800x600@56 146:720x576@50 147:720x576@50 148:720x480@60 149:720x480@60
150:720x480@60 151:720x480@60 152:720x480@60 153:640x480@75 154:640x480@67
155:640x480@60 156:640x480@60 157:640x480@60 158:720x400@70
159:1600x900@60 160:1368x768@60
Geometry: 0,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 100% and dimming to 100%
Color resolution: automatic (10), range: [8; 16] bits per color
Allow EDR: unsupported
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