[kde] [Bug 506696] New: My computer restarts or freezes after upgrade 6.4.2

[elman]

https://bugs.kde.org/show_bug.cgi?id=506696

            Bug ID: 506696
           Summary: My computer restarts or freezes after upgrade 6.4.2
    Classification: I don't know
           Product: kde
      Version First unspecified
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: elman at seznam.cz
  Target Milestone: ---

SUMMARY
I'm using Plasma and after upgrade to 6.4.2, my laptop randomly either restarts
or completely freezes after 10 to 20 minutes of using external screen. When
laptop reboots, I can't see anything in logs, when laptop freezes, I see this:

july 07 11:06:28 myhost kernel: CPU#0 Utilization every 4s during lockup:
july 07 11:06:28 myhost kernel:  #1: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #2: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #3: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #4: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #5: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:28 myhost kernel: watchdog: BUG: soft lockup - CPU#12 stuck for
26s! [Compositor:11098]
july 07 11:06:28 myhost kernel: CPU#12 Utilization every 4s during lockup:
july 07 11:06:28 myhost kernel:  #1: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #2: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #3: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #4: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:28 myhost kernel:  #5: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:32 myhost kernel: watchdog: BUG: soft lockup - CPU#2 stuck for
23s! [Backgro~Pool #1:29869]
july 07 11:06:32 myhost kernel: CPU#2 Utilization every 4s during lockup:
july 07 11:06:32 myhost kernel:  #1: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:32 myhost kernel:  #2: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:32 myhost kernel:  #3: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:32 myhost kernel:  #4: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:32 myhost kernel:  #5: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:36 myhost kernel: watchdog: BUG: soft lockup - CPU#6 stuck for
22s! [DOM Worker:29906]
july 07 11:06:36 myhost kernel: CPU#6 Utilization every 4s during lockup:
july 07 11:06:36 myhost kernel:  #1: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:36 myhost kernel:  #2: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:36 myhost kernel:  #3: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:36 myhost kernel:  #4: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:36 myhost kernel:  #5: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:40 myhost kernel: watchdog: BUG: soft lockup - CPU#5 stuck for
22s! [pool-1:46891]
july 07 11:06:40 myhost kernel: CPU#5 Utilization every 4s during lockup:
july 07 11:06:40 myhost kernel:  #1: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:40 myhost kernel:  #2: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:40 myhost kernel:  #3: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:40 myhost kernel:  #4: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:40 myhost kernel:  #5: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:44 myhost kernel: watchdog: BUG: soft lockup - CPU#9 stuck for
22s! [kded6:6236]
july 07 11:06:44 myhost kernel: CPU#9 Utilization every 4s during lockup:
july 07 11:06:44 myhost kernel:  #1: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:44 myhost kernel:  #2: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:44 myhost kernel:  #3: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:44 myhost kernel:  #4: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:44 myhost kernel:  #5: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:48 myhost kernel: watchdog: BUG: soft lockup - CPU#11 stuck for
23s! [Isolated Web Co:29917]
july 07 11:06:48 myhost kernel: CPU#11 Utilization every 4s during lockup:
july 07 11:06:48 myhost kernel:  #1: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:48 myhost kernel:  #2: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:48 myhost kernel:  #3: 100% system,      0% softirq,     1%
hardirq,     0% idle
july 07 11:06:48 myhost kernel:  #4: 100% system,      0% softirq,     0%
hardirq,     0% idle
july 07 11:06:48 myhost kernel:  #5: 100% system,      0% softirq,     1%
hardirq,     0% idle

STEPS TO REPRODUCE
1. Start plasma
2. Connect second screen via HDMI
3. Wait

OBSERVED RESULT
Laptop restarts or freezes

SOFTWARE/OS VERSIONS
Operating System: EndeavourOS 
KDE Plasma Version: 6.4.2
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.15.5-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5800H with Radeon Graphics
Memory: 32 GiB of RAM (30.7 GiB usable)
Graphics Processor 1: AMD Radeon Graphics
Graphics Processor 2: llvmpipe

ADDITIONAL INFORMATION
External screen is connected via HDMI, which is connected to dedicated NVIDIA
with proprietary drivers.

KWin Support Information:
The following information should be used when requesting support on e.g.
https://discuss.kde.org.
It provides information about the currently running instance, which options are
used,
what OpenGL driver and which effects are running.
Please post the information provided underneath this introductory text to a
paste bin service
like https://paste.kde.org instead of pasting into support threads.

==========================

Version
=======
KWin version: 6.4.2
Qt Version: 6.9.1
Qt compile version: 6.9.1
XCB compile version: 1.17.0

Operation Mode: Wayland

Build Options
=============
KWIN_BUILD_DECORATIONS: yes
KWIN_BUILD_TABBOX: yes
KWIN_BUILD_ACTIVITIES: yes
HAVE_X11_XCB: yes

X11
===
Vendor: The X.Org Foundation
Vendor Release: 12401008
Protocol Version/Revision: 11/0
SHAPE: yes; Version: 0x11
RANDR: yes; Version: 0x14
Composite: yes; Version: 0x4
RENDER: yes; Version: 0xb
XFIXES: yes; Version: 0x50
SYNC: yes; Version: 0x31
RES: yes; Version: 0x12

Decoration
==========
Plugin: org.kde.breeze
Theme: 
Plugin recommends border size: None
onAllDesktopsAvailable: true
alphaChannelSupported: true
closeOnDoubleClickOnMenu: false
decorationButtonsLeft: 0, 2
decorationButtonsRight: 6, 3, 4, 5
borderSize: 0
gridUnit: 12
font: Fira Sans Condensed ExtraBold,11,-1,5,800,0,0,0,0,0,0,0,0,0,0,1,Regular
smallSpacing: 3
largeSpacing: 12

Output backend
==============
Name: DRM
Atomic Mode Setting on GPU 0: true
Atomic Mode Setting on GPU 1: true

Cursor
======
themeName: phinger-cursors-dark
themeSize: 24

Options
=======
focusPolicy: ClickToFocus
xwaylandCrashPolicy: 1
xwaylandMaxCrashCount: 3
nextFocusPrefersMouse: false
clickRaise: true
autoRaise: false
autoRaiseInterval: 0
delayFocusInterval: 0
shadeHover: false
shadeHoverInterval: 250
separateScreenFocus: true
placement: 5
activationDesktopPolicy: SwitchToOtherDesktop
focusPolicyIsReasonable: true
borderSnapZone: 10
windowSnapZone: 10
centerSnapZone: 0
snapOnlyWhenOverlapping: false
edgeBarrier: 100
cornerBarrier: 1
rollOverDesktops: false
focusStealingPreventionLevel: 1
operationTitlebarDblClick: 5000
operationMaxButtonLeftClick: 5000
operationMaxButtonMiddleClick: 5015
operationMaxButtonRightClick: 5014
commandActiveTitlebar1: MouseRaise
commandActiveTitlebar2: MouseNothing
commandActiveTitlebar3: MouseOperationsMenu
commandInactiveTitlebar1: MouseActivateAndRaise
commandInactiveTitlebar2: MouseNothing
commandInactiveTitlebar3: MouseOperationsMenu
commandWindow1: MouseActivateRaiseOnReleaseAndPassClick
commandWindow2: MouseActivateAndPassClick
commandWindow3: MouseActivateAndPassClick
commandWindowWheel: MouseNothing
commandAll1: MouseUnrestrictedMove
commandAll2: MouseToggleRaiseAndLower
commandAll3: MouseUnrestrictedResize
keyCmdAllModKey: 16777250
doubleClickBorderToMaximize: true
condensedTitle: false
electricBorderMaximize: true
electricBorderTiling: true
electricBorderCornerRatio: 0.25
borderlessMaximizedWindows: false
killPingTimeout: 5000
compositingMode: 1
allowTearing: true
interactiveWindowMoveEnabled: true

Screen Edges
============
desktopSwitching: false
desktopSwitchingMovingClients: false
cursorPushBackDistance: 1x1
actionTopLeft: 0
actionTop: 0
actionTopRight: 0
actionRight: 0
actionBottomRight: 0
actionBottom: 0
actionBottomLeft: 0
actionLeft: 0

Screens
=======
Number of Screens: 2

Screen 0:
---------
Name: eDP-1
Enabled: 1
Geometry: 0,0,1920x1200
Physical size: 344x215mm
Scale: 2
Refresh Rate: 60000
Adaptive Sync: incapable
Screen 1:
---------
Name: HDMI-A-1
Enabled: 1
Geometry: 1920,0,1920x1080
Physical size: 527x296mm
Scale: 1
Refresh Rate: 100047
Adaptive Sync: incapable

Compositing
===========
Compositing is active
Compositing Type: OpenGL
OpenGL vendor string: AMD
OpenGL renderer string: AMD Radeon Graphics (radeonsi, renoir, ACO, DRM 3.63,
6.15.5-zen1-1-zen)
OpenGL version string: 4.6 (Core Profile) Mesa 25.1.5-arch1.1
OpenGL platform interface: EGL
OpenGL shading language version string: 4.60
Driver: Unknown
GPU class: Unknown
OpenGL version: 4.6
GLSL version: 4.60
Mesa version: 25.1.5
X server version: 1.24.1
Linux kernel version: 6.15.5
Direct rendering: Requires strict binding: no
Virtual Machine:  no
OpenGL 2 Shaders are used

Loaded Effects:
---------------
shakecursor
screenshot
outputlocator
colorpicker
zoom
screenedge
blur
contrast
sessionquit
logout
login
slidingpopups
windowaperture
slide
kwin6_effect_glitch
kwin4_effect_geometry_change
squash
maximize
fullscreen
frozenapp
fadingpopups
dimscreen
dialogparent
wobblywindows
windowview
tileseditor
overview
highlightwindow
blendchanges
startupfeedback
systembell
screentransform
kscreen

Currently Active Effects:
-------------------------
blur
contrast

Effect Settings:
----------------
shakecursor:

screenshot:

outputlocator:

colorpicker:

zoom:
zoomFactor: 1.2
mousePointer: 0
mouseTracking: 0
focusTrackingEnabled: false
textCaretTrackingEnabled: false
focusDelay: 350
moveFactor: 20
targetZoom: 1

screenedge:

blur:

contrast:

sessionquit:
pluginId: sessionquit
isActiveFullScreenEffect: false

logout:
pluginId: logout
isActiveFullScreenEffect: false

login:
pluginId: login
isActiveFullScreenEffect: false

slidingpopups:
slideInDuration: 200
slideOutDuration: 200

windowaperture:
pluginId: windowaperture
isActiveFullScreenEffect: false

slide:
horizontalGap: 45
verticalGap: 20
slideBackground: true

kwin6_effect_glitch:
pluginId: kwin6_effect_glitch
isActiveFullScreenEffect: false

kwin4_effect_geometry_change:
pluginId: kwin4_effect_geometry_change
isActiveFullScreenEffect: false

squash:
pluginId: squash
isActiveFullScreenEffect: false

maximize:
pluginId: maximize
isActiveFullScreenEffect: false

fullscreen:
pluginId: fullscreen
isActiveFullScreenEffect: false

frozenapp:
pluginId: frozenapp
isActiveFullScreenEffect: false

fadingpopups:
pluginId: fadingpopups
isActiveFullScreenEffect: false

dimscreen:
pluginId: dimscreen
isActiveFullScreenEffect: false

dialogparent:
pluginId: dialogparent
isActiveFullScreenEffect: false

wobblywindows:
stiffness: 0.15
drag: 0.8
moveFactor: 0.1
xTesselation: 20
yTesselation: 20
minVelocity: 0
maxVelocity: 1000
stopVelocity: 0.5
minAcceleration: 0
maxAcceleration: 1000
stopAcceleration: 0.5
moveWobble: true
resizeWobble: true

windowview:
activeView: 
delegate: 
animationDuration: 300
ignoreMinimized: false
mode: 
partialActivationFactor: 0
gestureInProgress: false
searchText: 
selectedIds: 

tileseditor:
activeView: 
delegate: 
animationDuration: 200

overview:
activeView: 
delegate: 
animationDuration: 300
ignoreMinimized: false
filterWindows: true
organizedGrid: true
overviewPartialActivationFactor: 0
overviewGestureInProgress: false
transitionPartialActivationFactor: 0
transitionGestureInProgress: false
gridPartialActivationFactor: 0
gridGestureInProgress: false
desktopOffset: 
searchText: 

highlightwindow:

blendchanges:

startupfeedback:
type: 1

systembell:

screentransform:

kscreen:


Loaded Plugins:
---------------
BounceKeysPlugin
KeyNotificationPlugin
MouseKeysPlugin
StickyKeysPlugin
TouchpadShortcutsPlugin
buttonsrebind
eis
krunnerintegration
nightlight
screencast

Available Plugins:
------------------
BounceKeysPlugin
KeyNotificationPlugin
MouseKeysPlugin
StickyKeysPlugin
TouchpadShortcutsPlugin
buttonsrebind
eis
krunnerintegration
nightlight
screencast

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