https://bugs.kde.org/show_bug.cgi?id=361808
Bug ID: 361808
Summary: plasma-nm crashes Plasma upon switching WiFI network
Product: plasma-nm
Version: 5.6.2
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Whenever I switch from one WiFi network to another, plasma-nm takes down the
whole plasma with the backtrace below.
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f819d5fa800 (LWP 882))]
Thread 9 (Thread 0x7f8186317700 (LWP 892)):
#0 0x00007f8196aa2c3d in poll () from /usr/lib/libc.so.6
#1 0x00007f819baa3ae2 in ?? () from /usr/lib/libxcb.so.1
#2 0x00007f819baa5757 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3 0x00007f8187c39a99 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4 0x00007f8197191de8 in ?? () from /usr/lib/libQt5Core.so.5
#5 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#6 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 8 (Thread 0x7f817ffff700 (LWP 900)):
#0 0x00007f8197189ee9 in QMutex::lock() () from /usr/lib/libQt5Core.so.5
#1 0x00007f81973ba4a9 in ?? () from /usr/lib/libQt5Core.so.5
#2 0x00007f8192f22b31 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8192f230a0 in ?? () from /usr/lib/libglib-2.0.so.0
#4 0x00007f8192f2320c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#5 0x00007f81973bacab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#6 0x00007f81973636fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#7 0x00007f819718cfe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8 0x00007f819814da55 in ?? () from /usr/lib/libQt5DBus.so.5
#9 0x00007f8197191de8 in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 7 (Thread 0x7f817edee700 (LWP 916)):
#0 0x00007f8192f67879 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1 0x00007f8192f230e2 in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f8192f2320c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f81973bacab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f81973636fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f819718cfe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f819a531915 in ?? () from /usr/lib/libQt5Qml.so.5
#7 0x00007f8197191de8 in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 6 (Thread 0x7f8175704700 (LWP 926)):
#0 0x00007f8192f67894 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1 0x00007f8192f22680 in g_main_context_prepare () from
/usr/lib/libglib-2.0.so.0
#2 0x00007f8192f2302b in ?? () from /usr/lib/libglib-2.0.so.0
#3 0x00007f8192f2320c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4 0x00007f81973bacab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5 0x00007f81973636fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6 0x00007f819718cfe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7 0x00007f819a531915 in ?? () from /usr/lib/libQt5Qml.so.5
#8 0x00007f8197191de8 in ?? () from /usr/lib/libQt5Core.so.5
#9 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 5 (Thread 0x7f816ba50700 (LWP 931)):
#0 0x00007f8196aa2c3d in poll () from /usr/lib/libc.so.6
#1 0x00007f8192f230fc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f8192f2320c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f81973bacab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f81973636fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f819718cfe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f819a531915 in ?? () from /usr/lib/libQt5Qml.so.5
#7 0x00007f8197191de8 in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 4 (Thread 0x7f816a20a700 (LWP 945)):
#0 0x00007f81962ab03f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f819cd8c134 in ?? () from /usr/lib/libQt5Script.so.5
#2 0x00007f819cd8c179 in ?? () from /usr/lib/libQt5Script.so.5
#3 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 3 (Thread 0x7f80e3502700 (LWP 952)):
#0 0x00007f8192f67879 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1 0x00007f8192f229ae in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#2 0x00007f8192f230a0 in ?? () from /usr/lib/libglib-2.0.so.0
#3 0x00007f8192f2320c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4 0x00007f81973bacab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5 0x00007f81973636fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6 0x00007f819718cfe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7 0x00007f819b0cb616 in ?? () from /usr/lib/libQt5Quick.so.5
#8 0x00007f8197191de8 in ?? () from /usr/lib/libQt5Core.so.5
#9 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 2 (Thread 0x7f80d1618700 (LWP 1250)):
#0 0x00007f8196aa2c3d in poll () from /usr/lib/libc.so.6
#1 0x00007f8192f230fc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f8192f2320c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f81973bacab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f81973636fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f819718cfe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f80d3b1c5b7 in KCupsConnection::run() () from
/usr/lib/libkcupslib.so
#7 0x00007f8197191de8 in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f81962a5424 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f8196aabcbd in clone () from /usr/lib/libc.so.6
Thread 1 (Thread 0x7f819d5fa800 (LWP 882)):
[KCrash Handler]
#5 0x00007f819a30b5f8 in ?? () from /usr/lib/libQt5Qml.so.5
#6 0x00007f819a554f1a in QQmlDelegateModel::_q_itemsChanged(int, int,
QVector<int> const&) () from /usr/lib/libQt5Qml.so.5
#7 0x00007f819a5596e0 in
QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&,
QAbstractItemModel::LayoutChangeHint) () from /usr/lib/libQt5Qml.so.5
#8 0x00007f819a57c9ef in ?? () from /usr/lib/libQt5Qml.so.5
#9 0x00007f819a57d188 in QQmlDelegateModel::qt_metacall(QMetaObject::Call,
int, void**) () from /usr/lib/libQt5Qml.so.5
#10 0x00007f81973919f0 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#11 0x00007f819740aac6 in
QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&,
QAbstractItemModel::LayoutChangeHint) () from /usr/lib/libQt5Core.so.5
#12 0x00007f81973338d1 in ?? () from /usr/lib/libQt5Core.so.5
#13 0x00007f8197335458 in ?? () from /usr/lib/libQt5Core.so.5
#14 0x00007f8197391870 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#15 0x00007f819740a9dc in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) () from /usr/lib/libQt5Core.so.5
#16 0x00007f80d09cec1d in NetworkModel::updateItem(NetworkModelItem*) () from
/usr/lib/libplasmanm_internal.so
#17 0x00007f80d09cfc34 in
NetworkModel::activeConnectionStateChanged(NetworkManager::ActiveConnection::State)
() from /usr/lib/libplasmanm_internal.so
#18 0x00007f8197391bae in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#19 0x00007f80d0764f91 in
NetworkManager::ActiveConnection::stateChanged(NetworkManager::ActiveConnection::State)
() from /usr/lib/libKF5NetworkManagerQt.so.6
#20 0x00007f80d06abc4a in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#21 0x00007f8197391bae in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#22 0x00007f80d076db93 in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#23 0x00007f80d0775583 in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#24 0x00007f8198159643 in ?? () from /usr/lib/libQt5DBus.so.5
#25 0x00007f8197392659 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#26 0x00007f819851668c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#27 0x00007f819851b8f6 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#28 0x00007f8197365518 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#29 0x00007f81973673da in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#30 0x00007f81973ba883 in ?? () from /usr/lib/libQt5Core.so.5
#31 0x00007f8192f22f07 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#32 0x00007f8192f23160 in ?? () from /usr/lib/libglib-2.0.so.0
#33 0x00007f8192f2320c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#34 0x00007f81973bac8f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#35 0x00007f81973636fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#36 0x00007f819736bb7c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#37 0x000000000041c176 in ?? ()
#38 0x00007f81969e4710 in __libc_start_main () from /usr/lib/libc.so.6
#39 0x000000000041c2d9 in _start ()
Reproducible: Always
Steps to Reproduce:
1. Connect to a WiFi network, wait till the connection is fully established
2. Pick another WiFi network from the plasman-nm widget menu
3. Plasma crashes (but NM itself works and switched the WiFi network correctly)
Actual Results:
Plasma crashes
Expected Results:
WiFi network gets switched without crashing plasma in the process
I get the came crash if I use the "Connect" button in the connection editor
window. I can also get a similar crash when I try to establish a VPN connection
etc. but they are more difficult to reproduce. The crash does not occur if the
network is switched before the connection to the first WiFi is fully
established.
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