Bug 444698

Summary:	App crashes when turning on blur
Product:	[Applications] systemsettings	Reporter:	Sam <thenerdiestguy>
Component:	kcm_kwineffects	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED FIXED
Severity:	crash	CC:	andrius, nate, plasma-bugs-null, thenerdiestguy
Priority:	NOR
Version First Reported In:	5.22.5
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:	https://invent.kde.org/system/partitionmanager/commit/81bbfea449e261dcafdc378e880748189a23ad63	Version Fixed/Implemented In:
Sentry Crash Report:

Description Sam 2021-10-31 08:38:01 UTC

SUMMARY


STEPS TO REPRODUCE

1. Turn on blur
2. Press Apply

OBSERVED RESULT

System settings crashes

EXPECTED RESULT

It should not crash

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Fedora 34
(available in About System)
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.85.0
Qt Version: 5.15.2

ADDITIONAL INFORMATION

Comment 1 Nate Graham 2021-11-01 16:08:24 UTC

Can you attach a backtrace of the crash? See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports

Comment 2 Sam 2021-11-01 16:35:02 UTC

Sure, this is the backtrace i got after starting settings in gdb and turning blur off and on again.

(gdb) backtrace
#0  0x00007ffff435f6a4 in QWaylandClientExtensionPrivate::handleRegistryGlobal (data=0x5555574cdd50, registry=0x5555555a4490, id=46, interface=..., version=1) at global/qwaylandclientextension.cpp:67
#1  0x00007ffff434c1b9 in QtWaylandClient::QWaylandDisplay::registry_global (this=<optimized out>, id=<optimized out>, interface=..., version=<optimized out>)
    at /usr/src/debug/qt5-qtwayland-5.15.2-14.fc35.x86_64/src/client/qwaylanddisplay.cpp:397
#2  0x00007ffff4368af3 in QtWayland::wl_registry::handle_global (data=0x5555555a0530, object=<optimized out>, name=46, interface=0x555557e55620 "org_kde_kwin_blur_manager", version=1)
    at /usr/src/debug/qt5-qtwayland-5.15.2-14.fc35.x86_64/src/client/qwayland-wayland.cpp:94
#3  0x00007ffff1bfec04 in ffi_call_unix64 () at ../src/x86/unix64.S:76
#4  0x00007ffff1bfe108 in ffi_call (cif=cif@entry=0x7fffffffd3f0, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7fffffffd4c0) at ../src/x86/ffi64.c:525
#5  0x00007ffff42b9d10 in wl_closure_invoke (closure=closure@entry=0x555557e55540, target=<optimized out>, target@entry=0x5555555a4490, opcode=opcode@entry=0, data=<optimized out>, flags=<optimized out>)
    at ../src/connection.c:1018
#6  0x00007ffff42ba41b in dispatch_event (display=display@entry=0x5555555a4340, queue=<optimized out>, queue=<optimized out>) at ../src/wayland-client.c:1452
#7  0x00007ffff42ba60c in dispatch_queue (queue=0x5555555a4410, display=0x5555555a4340) at ../src/wayland-client.c:1598
#8  wl_display_dispatch_queue_pending (display=0x5555555a4340, queue=0x5555555a4410) at ../src/wayland-client.c:1840
#9  0x00007ffff43444df in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x5555555a0520) at /usr/src/debug/qt5-qtwayland-5.15.2-14.fc35.x86_64/src/client/qwaylanddisplay.cpp:222
#10 0x00007ffff69533f0 in doActivate<false> (sender=0x55555562a660, signal_index=4, argv=0x7fffffffd730) at kernel/qobject.cpp:3898
#11 0x00007ffff694e327 in QMetaObject::activate (sender=sender@entry=0x55555562a660, m=m@entry=0x7ffff6bf7ae0 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0)
    at kernel/qobject.cpp:3946
#12 0x00007ffff691c277 in QAbstractEventDispatcher::awake (this=this@entry=0x55555562a660) at .moc/moc_qabstracteventdispatcher.cpp:149
#13 0x00007ffff6970c0b in QEventDispatcherGlib::processEvents (this=0x55555562a660, flags=...) at kernel/qeventdispatcher_glib.cpp:430
#14 0x00007ffff691e1a2 in QEventLoop::exec (this=this@entry=0x7fffffffd850, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#15 0x00007ffff69266e4 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#16 0x000055555556358c in main (argc=<optimized out>, argv=0x7fffffffd970) at /usr/src/debug/plasma-systemsettings-5.22.5-1.fc35.x86_64/app/main.cpp:208

Comment 3 Sam 2021-11-01 16:39:06 UTC

Bug also occurs on Fedora 35. I have integrated intel graphics on Wayland.

Comment 4 Nate Graham 2021-11-03 16:32:56 UTC

Ah, it's just Bug 414834. :(

*** This bug has been marked as a duplicate of bug 414834 ***

Comment 5 Andrius Štikonas 2021-12-05 00:00:19 UTC

Git commit 81bbfea449e261dcafdc378e880748189a23ad63 by Andrius Štikonas.
Committed on 04/12/2021 at 23:59.
Pushed by stikonas into branch 'master'.

Improve tab focus order in create partition dialog.

M  +8    -5    src/gui/sizedialogwidgetbase.ui

https://invent.kde.org/system/partitionmanager/commit/81bbfea449e261dcafdc378e880748189a23ad63

Comment 6 Andrius Štikonas 2021-12-05 00:01:06 UTC

Sorry, typo in the commit message accidentally closed this bug.