https://bugs.kde.org/show_bug.cgi?id=445231
Bug ID: 445231
Summary: Plasmashell sometimes crashes when disconnecting an
USB stick
Product: plasmashell
Version: 5.23.2
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: antti.s...@gmail.com
Target Milestone: 1.0
SUMMARY
Demonstrative video: https://youtu.be/NP7jhyzO4vg
Sometimes when disconnecting an USB stick using the GUI, it crashes the shell.
This does not happen every time so you may need to try plugging and unplugging
the stick physically multiple times.
STEPS TO REPRODUCE
1. Repeatedly mount and unmount an USB stick through the GUI
OBSERVED RESULT
Sometimes the plasmashell crashes
EXPECTED RESULT
No crash should happen
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version: 5.23.2
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Backtrace:
#0 0x00007f01a4167d22 in raise () at /usr/lib/libc.so.6
#1 0x00007f01a662a064 in KCrash::defaultCrashHandler(int) () at
/usr/lib/libKF5Crash.so.5
#2 0x00007f01a4167da0 in <signal handler called> () at /usr/lib/libc.so.6
#3 std::__atomic_base<QThreadData*>::load(std::memory_order) const
(__m=std::memory_order_relaxed, this=<error reading variable: Cannot access
memory at address 0x8>)
at /usr/include/c++/11.1.0/bits/atomic_base.h:836
#4 std::atomic<QThreadData*>::load(std::memory_order) const
(__m=std::memory_order_relaxed, this=<error reading variable: Cannot access
memory at address 0x8>) at /usr/include/c++/11.1.0/atomic:570
#5
QAtomicOps<QThreadData*>::loadRelaxed<QThreadData*>(std::atomic<QThreadData*>
const&) (_q_value=<error reading variable: Cannot access memory at address
0x8>) at /usr/include/qt/QtCore/qatomic_cxx11.h:239
#6 QBasicAtomicPointer<QThreadData>::loadRelaxed() const (this=<error reading
variable: Cannot access memory at address 0x8>) at
/usr/include/qt/QtCore/qbasicatomic.h:248
#7 QQmlNotifierEndpoint::connect(QObject*, int, QQmlEngine*, bool)
(this=this@entry=0x5557906804d0, source=0x555790817e30, sourceSignal=46,
engine=0x0, doNotify=doNotify@entry=true)
at /usr/src/debug/qtdeclarative/src/qml/qml/qqmlnotifier.cpp:122
#8 0x00007f01a5cdf7d7 in QQmlVMEMetaObjectEndpoint::tryConnect()
(this=0x5557906804d0) at
/usr/src/debug/qtdeclarative/src/qml/qml/qqmlvmemetaobject.cpp:258
#9 0x00007f01a5cdfa78 in QQmlVMEMetaObject::connectAlias(int)
(this=this@entry=0x555790627460, aliasId=aliasId@entry=1) at
/usr/src/debug/qtdeclarative/src/qml/qml/qqmlvmemetaobject.cpp:1294
#10 0x00007f01a5ce10ab in QQmlVMEMetaObject::metaCall(QObject*,
QMetaObject::Call, int, void**) (this=0x555790627460, o=<optimized out>,
c=QMetaObject::ReadProperty, _id=<optimized out>, a=0x7fffcf3266c0)
at /usr/src/debug/qtdeclarative/src/qml/qml/qqmlvmemetaobject.cpp:906
#11 0x00007f01a5c12e55 in QQmlPropertyData::readProperty(QObject*, void*) const
(property=0x7fffcf3266a0, target=<optimized out>, this=0x7f018c6c6c58)
at
../../include/QtQml/5.15.2/QtQml/private/../../../../../../qtdeclarative/src/qml/qml/qqmlpropertydata_p.h:357
#12 loadProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData const&)
(v4=0x55578b725010, object=0x5557904fb180, property=...) at
/usr/src/debug/qtdeclarative/src/qml/jsruntime/qv4qobjectwrapper.cpp:152
#13 0x00007f01567db2d3 in ()
#14 0x0000000000000000 in ()
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