Bug 514791 - Kate crashes when storage media are re-recognised
Summary: Kate crashes when storage media are re-recognised
Status: RESOLVED FIXED
Alias: None
Product: kate
Classification: Applications
Component: general (other bugs)
Version First Reported In: 25.12.1
Platform: Arch Linux Linux
: NOR crash
Target Milestone: ---
Assignee: KWrite Developers
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2026-01-18 13:25 UTC by Frank Steinmetzger
Modified: 2026-01-19 19:05 UTC (History)
0 users

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report: https://crash-reports.kde.org/organizations/kde/issues/330391/events/656bcdae3bed4b939c17bb934e58dddb/


Attachments

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Description Frank Steinmetzger 2026-01-18 13:25:33 UTC
Application: kate (25.12.1)

ApplicationNotResponding [ANR]: false
Qt Version: 6.10.1
Frameworks Version: 6.22.0
Operating System: Linux 6.18.5-arch1-1 x86_64
Windowing System: X11
Distribution: "Arch Linux"
DrKonqi: 6.5.5 [CoredumpBackend]

-- Information about the crash:
I put my PC to sleep yesterday and shortly after I turned 1 it back on, I had a crash message from Kate. At the time I had a USB card reader and a SATA drive in a hot swap bay attached as removable media. At the same moment the crash occured, I also got the storage media panel pop up, seemingly showing me “new” devices.

I don’t know whether these two things have a common cause or one caused the other. On first glance it looked like the storage media became disconnected for a short moment, but they are still mounted in Dolphin, one of them being a LUKS encrypted container. This happened one or two more times in short succession.

The crash can be reproduced every time.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
Downloading separate debug info for /usr/bin/kate...
[New LWP 104908]
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[New LWP 104914]
[New LWP 104916]
[New LWP 104917]
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `/usr/bin/kate -b'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f76e469890c in ?? () from /usr/lib/libc.so.6
[Current thread is 1 (Thread 0x7f76dcf25ac0 (LWP 104908))]

Downloading 23.29 K source file /usr/src/debug/kate/kate-25.12.1/apps/kate/main.cpp...
Downloading 145.30 K source file /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp...
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Downloading 190.70 K source file /usr/src/debug/glib2/build/../glib/glib/gmain.c...
Downloading 10.79 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qsocketnotifier.cpp...
Downloading 6.26 K source file /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp...
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Downloading 28.70 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h...
Downloading 7.66 K source file /usr/src/debug/solid/solid-6.22.0/src/solid/devices/backends/shared/udevqtclient.cpp...
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Downloading 8.60 K source file /usr/src/debug/solid/solid-6.22.0/src/solid/devices/backends/udev/udevmanager.cpp...
Downloading 4.64 K source file /usr/src/debug/solid/build/src/solid/KF6Solid_autogen/include/moc_devicemanager.cpp...
Downloading 4.55 K source file /usr/src/debug/solid/build/src/solid/KF6Solid_autogen/include/moc_devicenotifier.cpp...
Downloading 55.28 K source file /usr/src/debug/kio/kio-6.22.0/src/filewidgets/kfileplacesmodel.cpp...
Downloading 7.42 K source file /usr/src/debug/solid/solid-6.22.0/src/solid/devices/frontend/device.cpp...
Downloading 1.10 K source file /usr/src/debug/solid/solid-6.22.0/src/solid/devices/frontend/device_p.h...
Downloading 34.67 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp...
Downloading 10.11 K source file /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusconnectionmanager.cpp...
Downloading 41.50 K source file /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp...
Downloading 7.09 K source file /usr/src/debug/mesa/build/../mesa-25.3.3/src/c11/impl/threads_posix.c...
Downloading 20.50 K source file /usr/src/debug/mesa/build/../mesa-25.3.3/src/util/u_queue.c...
Downloading 12.40 K source file /usr/src/debug/qt6-base/qtbase/src/plugins/platforms/xcb/qxcbeventqueue.cpp...
Downloading 31.03 K source file /usr/src/debug/libxcb/libxcb-1.17.0/src/xcb_in.c...
Downloading 15.29 K source file /usr/src/debug/libxcb/libxcb-1.17.0/src/xcb_conn.c...
[Current thread is 10 (Thread 0x7f76c23fd6c0 (LWP 104917))]

Thread 10 (Thread 0x7f76c23fd6c0 (LWP 104917)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46937dc in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e4695e9e in pthread_cond_wait () from /usr/lib/libc.so.6
#4  0x00007f76cd1e5eee in cnd_wait () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:112
#5  0x00007f76cd19b2bd in util_queue_thread_func () at ../mesa-25.3.3/src/util/u_queue.c:275
#6  0x00007f76cd1e5e1d in impl_thrd_routine () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:43
#7  0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#8  0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7f76c2bfe6c0 (LWP 104916)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46937dc in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e4695e9e in pthread_cond_wait () from /usr/lib/libc.so.6
#4  0x00007f76cd1e5eee in cnd_wait () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:112
#5  0x00007f76cd19b2bd in util_queue_thread_func () at ../mesa-25.3.3/src/util/u_queue.c:275
#6  0x00007f76cd1e5e1d in impl_thrd_routine () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:43
#7  0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#8  0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7f76d8d5d6c0 (LWP 104914)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46937dc in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e4695e9e in pthread_cond_wait () from /usr/lib/libc.so.6
#4  0x00007f76cd1e5eee in cnd_wait () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:112
#5  0x00007f76cd19b2bd in util_queue_thread_func () at ../mesa-25.3.3/src/util/u_queue.c:275
#6  0x00007f76cd1e5e1d in impl_thrd_routine () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:43
#7  0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#8  0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f76d955e6c0 (LWP 104913)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46937dc in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e4695e9e in pthread_cond_wait () from /usr/lib/libc.so.6
#4  0x00007f76cd1e5eee in cnd_wait () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:112
#5  0x00007f76cd19b2bd in util_queue_thread_func () at ../mesa-25.3.3/src/util/u_queue.c:275
#6  0x00007f76cd1e5e1d in impl_thrd_routine () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:43
#7  0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#8  0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f76c33ff6c0 (LWP 104915)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46937dc in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e4695e9e in pthread_cond_wait () from /usr/lib/libc.so.6
#4  0x00007f76cd1e5eee in cnd_wait () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:112
#5  0x00007f76cd19b2bd in util_queue_thread_func () at ../mesa-25.3.3/src/util/u_queue.c:275
#6  0x00007f76cd1e5e1d in impl_thrd_routine () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:43
#7  0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#8  0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f76dc1816c0 (LWP 104910)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46931b4 in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e470d4ae in poll () from /usr/lib/libc.so.6
#4  0x00007f76e408d20b in poll (__timeout=-1, __nfds=1, __fds=0x7f76dc180938) at /usr/include/bits/poll2.h:39
#5  _xcb_conn_wait (c=c@entry=0x55bf8e042990, vector=vector@entry=0x0, count=count@entry=0x0, cond=<optimized out>) at /usr/src/debug/libxcb/libxcb-1.17.0/src/xcb_conn.c:510
#6  0x00007f76e408ef3d in _xcb_conn_wait (count=0x0, vector=0x0, cond=0x55bf8e0429d0, c=0x55bf8e042990) at /usr/src/debug/libxcb/libxcb-1.17.0/src/xcb_conn.c:476
#7  xcb_wait_for_event (c=0x55bf8e042990) at /usr/src/debug/libxcb/libxcb-1.17.0/src/xcb_in.c:703
#8  0x00007f76dce0cca9 in QXcbEventQueue::run (this=0x55bf8e03a6f0) at /usr/src/debug/qt6-base/qtbase/src/plugins/platforms/xcb/qxcbeventqueue.cpp:194
#9  0x00007f76e512f899 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:437
#10 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:367
#11 QThreadPrivate::start (arg=0x55bf8e03a6f0) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:397
#12 0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#13 0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f76d9d5f6c0 (LWP 104912)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46937dc in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e4695e9e in pthread_cond_wait () from /usr/lib/libc.so.6
#4  0x00007f76cd1e5eee in cnd_wait () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:112
#5  0x00007f76cd19b2bd in util_queue_thread_func () at ../mesa-25.3.3/src/util/u_queue.c:275
#6  0x00007f76cd1e5e1d in impl_thrd_routine () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:43
#7  0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#8  0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f76da70b6c0 (LWP 104911)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46937dc in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e4695e9e in pthread_cond_wait () from /usr/lib/libc.so.6
#4  0x00007f76cd1e5eee in cnd_wait () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:112
#5  0x00007f76cd19b2bd in util_queue_thread_func () at ../mesa-25.3.3/src/util/u_queue.c:275
#6  0x00007f76cd1e5e1d in impl_thrd_routine () at ../mesa-25.3.3/src/c11/impl/threads_posix.c:43
#7  0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#8  0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f76dc9826c0 (LWP 104909)):
#0  0x00007f76e469f002 in ?? () from /usr/lib/libc.so.6
#1  0x00007f76e469316c in ?? () from /usr/lib/libc.so.6
#2  0x00007f76e46931b4 in ?? () from /usr/lib/libc.so.6
#3  0x00007f76e470d9f6 in ppoll () from /usr/lib/libc.so.6
#4  0x00007f76e32b7784 in ppoll (__fds=0x55bf8eb7c890, __nfds=4, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x7f76d4000d00, timeout_usec=<optimized out>, fds=0x55bf8eb7c890, n_fds=4) at ../glib/glib/gmain.c:4811
#6  g_main_context_iterate_unlocked (context=context@entry=0x7f76d4000d00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4485
#7  0x00007f76e32b7865 in g_main_context_iteration (context=0x7f76d4000d00, may_block=1) at ../glib/glib/gmain.c:4556
#8  0x00007f76e5248152 in QEventDispatcherGlib::processEvents (this=0x7f76d4000be0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#9  0x00007f76e4f75786 in QEventLoop::processEvents (this=0x7f76dc9819f0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104
#10 QEventLoop::exec (this=0x7f76dc9819f0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186
#11 0x00007f76e509041e in QThread::exec (this=this@entry=0x7f76e6020e20 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread.cpp:672
#12 0x00007f76e5f9803e in QDBusConnectionManager::run (this=0x7f76e6020e20 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusconnectionmanager.cpp:145
#13 0x00007f76e512f899 in operator() (__closure=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:437
#14 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:367
#15 QThreadPrivate::start (arg=0x7f76e6020e20 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager> >::instance()::holder>) at /usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:397
#16 0x00007f76e469698b in ?? () from /usr/lib/libc.so.6
#17 0x00007f76e471a9cc in ?? () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f76dcf25ac0 (LWP 104908)):
[KCrash Handler]
#4  0x00007f76e1e57208 in std::__atomic_base<int>::load (this=<optimized out>, __m=<optimized out>, this=<optimized out>, __m=<optimized out>) at /usr/include/c++/15.2.1/bits/atomic_base.h:501
#5  QAtomicOps<int>::loadRelaxed<int> (_q_value=..., _q_value=...) at /usr/include/qt6/QtCore/qatomic_cxx11.h:203
#6  QBasicAtomicInteger<int>::loadRelaxed (this=<optimized out>, this=<optimized out>) at /usr/include/qt6/QtCore/qbasicatomic.h:37
#7  QWeakPointer<QObject>::internalData (this=0x55bf8effe8a0) at /usr/include/qt6/QtCore/qsharedpointer_impl.h:800
#8  QPointer<Solid::Ifaces::Device>::data (this=0x55bf8effe8a0) at /usr/include/qt6/QtCore/qpointer.h:75
#9  Solid::DevicePrivate::backendObject (this=0x55bf8effe870) at /usr/src/debug/solid/solid-6.22.0/src/solid/devices/frontend/device_p.h:37
#10 Solid::Device::asDeviceInterface (this=this@entry=0x55bf8f054890, type=@0x7ffe5f99fff0: Solid::DeviceInterface::StorageVolume) at /usr/src/debug/solid/solid-6.22.0/src/solid/devices/frontend/device.cpp:134
#11 0x00007f76db874303 in Solid::Device::as<Solid::StorageVolume> (this=0x55bf8f054890) at /usr/include/KF6/Solid/solid/device.h:247
#12 operator() (__closure=<optimized out>, device=...) at /usr/src/debug/kio/kio-6.22.0/src/filewidgets/kfileplacesmodel.cpp:858
#13 __gnu_cxx::__ops::_Iter_pred<KFilePlacesModelPrivate::loadBookmarkList()::<lambda(const Solid::Device&)> >::operator()<QList<Solid::Device>::iterator> (this=<optimized out>, __it=...) at /usr/include/c++/15.2.1/bits/predefined_ops.h:318
#14 std::__find_if<QList<Solid::Device>::iterator, __gnu_cxx::__ops::_Iter_pred<KFilePlacesModelPrivate::loadBookmarkList()::<lambda(const Solid::Device&)> > > (__first=..., __last=..., __pred=...) at /usr/include/c++/15.2.1/bits/stl_algobase.h:2095
#15 std::find_if<QList<Solid::Device>::iterator, KFilePlacesModelPrivate::loadBookmarkList()::<lambda(const Solid::Device&)> > (__first=..., __last=..., __pred=...) at /usr/include/c++/15.2.1/bits/stl_algo.h:3921
#16 KFilePlacesModelPrivate::loadBookmarkList (this=<optimized out>) at /usr/src/debug/kio/kio-6.22.0/src/filewidgets/kfileplacesmodel.cpp:856
#17 KFilePlacesModelPrivate::reloadBookmarks (this=0x55bf8eb61c00) at /usr/src/debug/kio/kio-6.22.0/src/filewidgets/kfileplacesmodel.cpp:764
#18 0x00007f76e4fd734f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#19 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4257
#20 0x00007f76e1e546a3 in QMetaObject::activate<void, QString> (sender=<optimized out>, mo=0x7f76e1f04a40 <Solid::DeviceNotifier::staticMetaObject>, local_signal_index=1, ret=0x0) at /usr/include/qt6/QtCore/qobjectdefs.h:319
#21 Solid::DeviceNotifier::deviceRemoved (this=<optimized out>, _t1=...) at /usr/src/debug/solid/build/src/solid/KF6Solid_autogen/include/moc_devicenotifier.cpp:133
#22 0x00007f76e4fd734f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#23 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4257
#24 0x00007f76e1e8f4b3 in QMetaObject::activate<void, QString> (sender=<optimized out>, mo=<optimized out>, local_signal_index=<optimized out>, ret=<optimized out>, sender=<optimized out>, mo=<optimized out>, local_signal_index=<optimized out>, ret=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs.h:319
#25 Solid::Ifaces::DeviceManager::deviceRemoved (this=0x55bf8eba3000, _t1=...) at /usr/src/debug/solid/build/src/solid/KF6Solid_autogen/include/moc_devicemanager.cpp:133
#26 Solid::Backends::UDev::UDevManager::slotDeviceRemoved (this=0x55bf8eba3000, device=...) at /usr/src/debug/solid/solid-6.22.0/src/solid/devices/backends/udev/udevmanager.cpp:248
#27 0x00007f76e4fd771a in doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4269
#28 0x00007f76e1e90248 in QMetaObject::activate<void, UdevQt::Device> (sender=<optimized out>, mo=0x7f76e1f08fc0 <UdevQt::Client::staticMetaObject>, local_signal_index=1, ret=0x0) at /usr/include/qt6/QtCore/qobjectdefs.h:319
#29 UdevQt::Client::deviceRemoved (this=<optimized out>, _t1=...) at /usr/src/debug/solid/build/src/solid/KF6Solid_autogen/include/moc_udevqtclient.cpp:197
#30 UdevQt::ClientPrivate::dispatchEvent (this=0x55bf8eb901d0) at /usr/src/debug/solid/solid-6.22.0/src/solid/devices/backends/shared/udevqtclient.cpp:102
#31 operator() (__closure=<optimized out>) at /usr/src/debug/solid/solid-6.22.0/src/solid/devices/backends/shared/udevqtclient.cpp:71
#32 operator() (__closure=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:116
#33 QtPrivate::FunctorCallBase::call_internal<void, QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>, QtPrivate::List<>, void, UdevQt::ClientPrivate::setWatchedSubsystems(const QStringList&)::<lambda()> >::call(UdevQt::ClientPrivate::setWatchedSubsystems(const QStringList&)::<lambda()>&, void**)::<lambda()> > (args=<optimized out>, fn=...) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:65
#34 QtPrivate::FunctorCall<std::integer_sequence<long unsigned int>, QtPrivate::List<>, void, UdevQt::ClientPrivate::setWatchedSubsystems(const QStringList&)::<lambda()> >::call (f=..., arg=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:115
#35 QtPrivate::FunctorCallable<UdevQt::ClientPrivate::setWatchedSubsystems(const QStringList&)::<lambda()> >::call<QtPrivate::List<>, void> (f=..., arg=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:337
#36 QtPrivate::QCallableObject<UdevQt::ClientPrivate::setWatchedSubsystems(const QStringList&)::<lambda()>, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=<optimized out>, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:547
#37 0x00007f76e4fd734f in QtPrivate::QSlotObjectBase::call (this=<optimized out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#38 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4257
#39 0x00007f76e4fe23c0 in QMetaObject::activate<void, QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal> (sender=0x55bf8eb614c0, mo=<optimized out>, local_signal_index=0, ret=0x0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs.h:319
#40 QSocketNotifier::activated (this=0x55bf8eb614c0, _t1=..., _t2=<optimized out>, _t3=...) at /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:161
#41 QSocketNotifier::event (this=0x55bf8eb614c0, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qsocketnotifier.cpp:324
#42 0x00007f76e63021c0 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55bf8eb614c0, e=0x7ffe5f9a0820) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3305
#43 0x00007f76e4f6a958 in QCoreApplication::notifyInternal2 (receiver=0x55bf8eb614c0, event=0x7ffe5f9a0820) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1109
#44 0x00007f76e524ab31 in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x7ffe5f9a0820) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1549
#45 socketNotifierSourceDispatch (source=0x55bf8e0b8850) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:77
#46 0x00007f76e32b5f8d in g_main_dispatch (context=0x7f76d4000f60) at ../glib/glib/gmain.c:3565
#47 0x00007f76e32b7657 in g_main_context_dispatch_unlocked (context=0x7f76d4000f60) at ../glib/glib/gmain.c:4425
#48 g_main_context_iterate_unlocked (context=context@entry=0x7f76d4000f60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4490
#49 0x00007f76e32b7865 in g_main_context_iteration (context=0x7f76d4000f60, may_block=1) at ../glib/glib/gmain.c:4556
#50 0x00007f76e5248172 in QEventDispatcherGlib::processEvents (this=0x55bf8e0a2c40, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:401
#51 0x00007f76e4f75786 in QEventLoop::processEvents (this=0x7ffe5f9a0ac0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104
#52 QEventLoop::exec (this=0x7ffe5f9a0ac0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186
#53 0x00007f76e4f6f3f1 in QCoreApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1452
#54 0x00007f76e62fd32a in QApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:2575
#55 0x000055bf6c582d18 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kate/kate-25.12.1/apps/kate/main.cpp:593

Reported using DrKonqi
Comment 1 Bug Janitor Service 2026-01-18 22:15:58 UTC
A possibly relevant merge request was started @ https://invent.kde.org/frameworks/solid/-/merge_requests/239
Comment 2 Christoph Cullmann 2026-01-19 19:05:10 UTC
Git commit bf42547c87652822120b26eda5c9deaf0cacd83e by Christoph Cullmann.
Committed on 18/01/2026 at 22:15.
Pushed by cullmann into branch 'master'.

avoid crash on device removal

ensure we no longer list the removed device before we emit the signal
applications might query all devices based on it

M  +3    -1    src/solid/devices/backends/udev/udevmanager.cpp

https://invent.kde.org/frameworks/solid/-/commit/bf42547c87652822120b26eda5c9deaf0cacd83e