Bug 490973

Summary:	Unstability and lag with second screen in HDMI
Product:	[Plasma] plasmashell	Reporter:	eidal <alexandremichel.eid>
Component:	generic-crash	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	cwo.kde
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	6.1.3
Target Milestone:	1.0
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description eidal 2024-07-29 13:50:46 UTC

Application: plasmashell (6.1.3)

Qt Version: 6.7.2
Frameworks Version: 6.4.0
Operating System: Linux 6.9.11-200.fc40.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 40 (KDE Plasma)"
DrKonqi: 6.1.3 [CoredumpBackend]

-- Information about the crash:
Since last updates (I cannot refer exactly to a specific one) using two external screens has been a mess. I have lags on the one in HDMI and applications related to desktop crash.

The crash can be reproduced sometimes.

-- Backtrace (Reduced):
#5  QScopedPointer<QPlatformScreenPrivate, QScopedPointerDeleter<QPlatformScreenPrivate> >::get (this=0x8) at /usr/src/debug/qt6-qtbase-6.7.2-4.fc40.x86_64/src/corelib/tools/qscopedpointer.h:110
[...]
#8  QPlatformScreen::screen (this=this@entry=0x0) at /usr/src/debug/qt6-qtbase-6.7.2-4.fc40.x86_64/src/gui/kernel/qplatformscreen.cpp:115
#9  0x00007fbcba2df4f5 in QtWaylandClient::QWaylandWindow::handleScreensChanged (this=0x55b8f780e4a0) at /usr/src/debug/qt6-qtwayland-6.7.2-2.fc40.x86_64/src/client/qwaylandwindow.cpp:1410
#10 0x00007fbcb8bfc872 in QtPrivate::QSlotObjectBase::call (this=0x55b8f76108a0, r=<optimized out>, a=0x7ffca01bba38) at /usr/src/debug/qt6-qtbase-6.7.2-4.fc40.x86_64/src/corelib/kernel/qobjectdefs_impl.h:469
#11 doActivate<false> (sender=0x55b8f79fc1a0, signal_index=3, argv=0x7ffca01bba38) at /usr/src/debug/qt6-qtbase-6.7.2-4.fc40.x86_64/src/corelib/kernel/qobject.cpp:4086


Reported using DrKonqi

Comment 1 eidal 2024-07-29 13:50:48 UTC

Created attachment 172104 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.

Comment 2 cwo 2024-07-30 12:56:14 UTC

Thank you for the bug report! This issue has already been filed and was identified as an upstream issue in Qt, which should be fixed in the upcoming version. Please see the linked bug report for more information.

*** This bug has been marked as a duplicate of bug 490280 ***

Comment 3 cwo 2024-07-30 12:56:48 UTC


*** This bug has been marked as a duplicate of bug 489072 ***