Bug 508473

Summary:	Discover crashed in the background.
Product:	[Applications] Discover	Reporter:	Roke Julian Lockhart Beedell <4wy78uwh>
Component:	discover	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	aleixpol
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	6.4.4
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:	https://crash-reports.kde.org/organizations/kde/issues/234855/events/eac3109426ce4c8982e465314baa7017/
Attachments:	New crash information added by DrKonqi

Description Roke Julian Lockhart Beedell 2025-08-19 14:07:20 UTC

Application: plasma-discover (6.4.4)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.1
Frameworks Version: 6.17.0
Operating System: Linux 6.15.9-201.fc42.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 42 (KDE Plasma Desktop Edition)"
DrKonqi: 6.4.4 [CoredumpBackend]

-- Information about the crash:
I didn't actually do anything. It merely crashed in the background, presumably when it wanted to update in the background.

The crash can be reproduced sometimes.

-- Backtrace (Reduced):
#5  std::__atomic_base<QThreadData*>::load (this=0x60, __m=std::memory_order_acquire) at /usr/include/c++/15/bits/atomic_base.h:828
#6  std::atomic<QThreadData*>::load (this=0x60, __m=std::memory_order_acquire) at /usr/include/c++/15/atomic:587
#7  QAtomicOps<QThreadData*>::loadAcquire<QThreadData*> (_q_value=<error reading variable: Cannot access memory at address 0x60>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/thread/qatomic_cxx11.h:214
#8  QBasicAtomicPointer<QThreadData>::loadAcquire (this=0x60) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/thread/qbasicatomic.h:177
#9  QCoreApplicationPrivate::lockThreadPostEventList (object=object@entry=0x55fd19843630) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1580
#10 0x00007f2f53152ff3 in QObject::deleteLater (this=0x55fd19843630) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:2457
#11 0x00007f2f531657ba in QtPrivate::QSlotObjectBase::call (this=0x55fd1960ff30, r=0x55fd19843630, a=0x7ffebfe9dec0) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#12 doActivate<false> (sender=0x55fd18e73df0, signal_index=5, argv=argv@entry=0x7ffebfe9dec0) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
[...]
#15 AbstractBackendUpdater::progressingChanged (this=this@entry=0x55fd18e73df0, _t1=<optimized out>, _t1@entry=false) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/redhat-linux-build/libdiscover/DiscoverCommon_autogen/include/moc_AbstractBackendUpdater.cpp:305
#16 0x00007f2ecc2e3ed5 in PackageKitUpdater::setProgressing (this=0x55fd18e73df0, progressing=false) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp:783
#17 PackageKitUpdater::setProgressing (this=0x55fd18e73df0, progressing=false) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp:779
#18 PackageKitUpdater::finished (this=0x55fd18e73df0, exit=PackageKit::Transaction::ExitSuccess) at /usr/src/debug/plasma-discover-6.4.4-1.fc42.x86_64/libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp:615
#19 0x00007f2f531657ba in QtPrivate::QSlotObjectBase::call (this=0x7f2f3801e1e0, r=0x55fd18e73df0, a=0x7ffebfe9e260) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
#20 doActivate<false> (sender=0x55fd19d5c350, signal_index=23, argv=argv@entry=0x7ffebfe9e260) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
[...]
#22 0x00007f2ecc2525d8 in PackageKit::Transaction::finished (this=this@entry=0x55fd19d5c350, _t1=<optimized out>, _t2=<optimized out>) at /usr/src/debug/PackageKit-Qt-1.1.1-8.fc42.x86_64/pkqt6/redhat-linux-build/src/packagekitqt6_autogen/include/moc_transaction.cpp:1750
#23 0x00007f2ecc259df1 in PackageKit::TransactionPrivate::finished (this=0x55fd19d61b10, exitCode=<optimized out>, runtime=<optimized out>) at /usr/src/debug/PackageKit-Qt-1.1.1-8.fc42.x86_64/src/transactionprivate.cpp:243


Reported using DrKonqi

Comment 1 Roke Julian Lockhart Beedell 2025-08-19 14:07:21 UTC

Created attachment 184256 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.

Comment 2 Roke Julian Lockhart Beedell 2025-08-19 14:19:48 UTC

(In reply to Roke Julian Lockhart Beedell from comment #0)

Per https://retrace.fedoraproject.org/faf/reports/1237045/, this might be a duplicate of https://bugs.kde.org/show_bug.cgi?id=506919#c0. [^1]

[^1]: https://bugzilla.redhat.com/show_bug.cgi?id=2379604#c0

*** This bug has been marked as a duplicate of bug 506919 ***