https://bugs.kde.org/show_bug.cgi?id=275789
Summary: KMail2 deadlocks on mail check when coflict dialog is
shown
Product: kmail2
Version: Git (master)
Platform: Compiled Sources
OS/Version: Linux
Status: NEW
Severity: major
Priority: NOR
Component: general
AssignedTo: kdepim-bugs@kde.org
ReportedBy: aman...@kde.org
>From time to time KMail2 freezes when a conflict dialog is shown. After
attaching gdb it looks like there is a deadlock when at the same time a mail
check is going on:
#0 0x00007fdc3e0ba503 in poll () from /lib64/libc.so.6
#1 0x00007fdc3816a114 in ?? () from /lib64/libglib-2.0.so.0
#2 0x00007fdc3816a650 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3 0x00007fdc406ededb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /opt/qt4/lib/libQtCore.so.4
#4 0x00007fdc3f38b52e in QGuiEventDispatcherGlib::processEvents
(this=0x6124d0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#5 0x00007fdc406b271e in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/opt/qt4/lib/libQtCore.so.4
#6 0x00007fdc406b2872 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/opt/qt4/lib/libQtCore.so.4
#7 0x00007fdc40baaa24 in KJob::exec (this=0x915d010) at
/home/andris/development/sources/kde-trunk/kdelibs/kdecore/jobs/kjob.cpp:204
#8 0x00007fdc2b12a34d in KMMainWidget::slotEndCheckMail (this=0x1515640) at
/home/andris/development/sources/kde-trunk/kdepim/kmail/kmmainwidget.cpp:390
#9 0x00007fdc2b12bb5d in KMMainWidget::qt_metacall (this=0x1515640,
_c=QMetaObject::InvokeMetaMethod, _id=27, _a=0x7fff8d0b0380)
at
/home/andris/development/build/kde-trunk/kdepim/kmail/kmmainwidget.moc:369
#10 0x00007fdc406bcd2f in QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#11 0x00007fdc406d1e0b in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#12 0x00007fdc2b0da7ec in KMKernel::slotProgressItemCompletedOrCanceled
(this=0x1005470, item=<value optimized out>)
at
/home/andris/development/sources/kde-trunk/kdepim/kmail/kmkernel.cpp:1660
#13 0x00007fdc2b0e64bc in KMKernel::qt_metacall (this=0x1005470,
_c=QMetaObject::InvokeMetaMethod, _id=36, _a=0x7fff8d0b0670)
at /home/andris/development/build/kde-trunk/kdepim/kmail/kmkernel.moc:205
#14 0x00007fdc406bcd2f in QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#15 0x00007fdc406d1e0b in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#16 0x00007fdc44bf80b2 in KPIM::ProgressManager::progressItemCompleted
(this=<value optimized out>, _t1=0x1596af0)
at
/home/andris/development/build/kde-trunk/kdepim/libkdepim/progressmanager.moc:272
#17 0x00007fdc44bf8b23 in KPIM::ProgressManager::qt_metacall (this=0x98a050,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff8d0b07e0)
at
/home/andris/development/build/kde-trunk/kdepim/libkdepim/progressmanager.moc:246
#18 0x00007fdc406bcd2f in QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#19 0x00007fdc406d1e0b in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#20 0x00007fdc44bf7c82 in KPIM::ProgressItem::progressItemCompleted
(this=<value optimized out>, _t1=0x1596af0)
at
/home/andris/development/build/kde-trunk/kdepim/libkdepim/progressmanager.moc:121
#21 0x00007fdc44bf8360 in KPIM::ProgressItem::setComplete (this=0x1596af0)
at
/home/andris/development/sources/kde-trunk/kdepim/libkdepim/progressmanager.cpp:56
#22 0x00007fdc44bf989d in
KPIM::AgentProgressMonitor::Private::instanceStatusChanged (this=0xbf724b0,
instance=...)
at
/home/andris/development/sources/kde-trunk/kdepim/libkdepim/agentprogressmonitor.cpp:86
#23 0x00007fdc44bf997a in KPIM::AgentProgressMonitor::qt_metacall
(this=0x23f8e00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>,
_a=0x7fff8d0b0990) at
/home/andris/development/build/kde-trunk/kdepim/libkdepim/agentprogressmonitor.moc:78
#24 0x00007fdc406bcd2f in QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#25 0x00007fdc406d1e0b in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#26 0x00007fdc4326bea3 in Akonadi::AgentManager::instanceStatusChanged
(this=0x136e360, _t1=...)
---Type <return> to continue, or q <return> to quit---
at
/home/andris/development/build/kde-trunk/kdepimlibs/akonadi/agentmanager.moc:177
#27 0x00007fdc43269629 in
Akonadi::AgentManagerPrivate::agentInstanceStatusChanged (this=0x136e990,
identifier="akonadi_imap_resource_6", status=0,
msg="Ready") at
/home/andris/development/sources/kde-trunk/kdepimlibs/akonadi/agentmanager.cpp:129
#28 0x00007fdc4326bbb0 in Akonadi::AgentManager::qt_metacall (this=0x136e360,
_c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x7fff8d0b0b70)
at
/home/andris/development/build/kde-trunk/kdepimlibs/akonadi/agentmanager.moc:131
#29 0x00007fdc406bcd2f in QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#30 0x00007fdc406d1e0b in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#31 0x00007fdc43386306 in
OrgFreedesktopAkonadiAgentManagerInterface::agentInstanceStatusChanged
(this=0xdc20e0, _t1="akonadi_imap_resource_6", _t2=0,
_t3="Ready") at
/home/andris/development/build/kde-trunk/kdepimlibs/akonadi/agentmanagerinterface.moc:285
#32 0x00007fdc43385130 in
OrgFreedesktopAkonadiAgentManagerInterface::qt_metacall (this=0xdc20e0,
_c=QMetaObject::InvokeMetaMethod, _id=7,
_a=0x7fff8d0b0dd0) at
/home/andris/development/build/kde-trunk/kdepimlibs/akonadi/agentmanagerinterface.moc:167
#33 0x00007fdc40061749 in QDBusConnectionPrivate::deliverCall(QObject*, int,
QDBusMessage const&, QList<int> const&, int) ()
from /opt/qt4/lib/libQtDBus.so.4
#34 0x00007fdc4006d4bf in QDBusCallDeliveryEvent::placeMetaCall(QObject*) ()
from /opt/qt4/lib/libQtDBus.so.4
#35 0x00007fdc406cd729 in QObject::event(QEvent*) () from
/opt/qt4/lib/libQtCore.so.4
#36 0x00007fdc3f2b269a in QApplicationPrivate::notify_helper (this=0x646170,
receiver=0xdc20e0, e=0x8ce9a30) at kernel/qapplication.cpp:4462
#37 0x00007fdc3f2afcbe in QApplication::notify (this=0x7fff8d0b2c80,
receiver=0xdc20e0, e=0x8ce9a30) at kernel/qapplication.cpp:3862
#38 0x00007fdc412387d1 in KApplication::notify (this=0x7fff8d0b2c80,
receiver=0xdc20e0, event=0x8ce9a30)
at
/home/andris/development/sources/kde-trunk/kdelibs/kdeui/kernel/kapplication.cpp:311
#39 0x00007fdc406b4bbb in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /opt/qt4/lib/libQtCore.so.4
#40 0x00007fdc46030ad7 in QCoreApplication::sendEvent(QObject*, QEvent*) ()
from /opt/qt4/lib/libQtWebKit.so.4
#41 0x00007fdc406b5df4 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /opt/qt4/lib/libQtCore.so.4
#42 0x00007fdc406b5a15 in QCoreApplication::sendPostedEvents(QObject*, int) ()
from /opt/qt4/lib/libQtCore.so.4
#43 0x00007fdc406ee633 in QCoreApplication::sendPostedEvents() () from
/opt/qt4/lib/libQtCore.so.4
#44 0x00007fdc406ed5ec in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /opt/qt4/lib/libQtCore.so.4
#45 0x00007fdc38169bd3 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#46 0x00007fdc3816a3b0 in ?? () from /lib64/libglib-2.0.so.0
#47 0x00007fdc3816a650 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#48 0x00007fdc406ededb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /opt/qt4/lib/libQtCore.so.4
#49 0x00007fdc3f38b52e in QGuiEventDispatcherGlib::processEvents
(this=0x6124d0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007fdc406b271e in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/opt/qt4/lib/libQtCore.so.4
#51 0x00007fdc406b2872 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/opt/qt4/lib/libQtCore.so.4
#52 0x00007fdc3f8ce38c in QDialog::exec (this=0x7fff8d0b1dc0) at
dialogs/qdialog.cpp:552
#53 0x00007fdc432afdf9 in Akonadi::ConflictHandler::resolve (this=0xb8a7ac0)
at
/home/andris/development/sources/kde-trunk/kdepimlibs/akonadi/conflicthandling/conflicthandler.cpp:80
#54 0x00007fdc432b02f0 in Akonadi::ConflictHandler::qt_metacall
(this=0xb8a7ac0, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0x956f1a0)
---Type <return> to continue, or q <return> to quit---
at
/home/andris/development/build/kde-trunk/kdepimlibs/akonadi/conflicthandler_p.moc:91
#55 0x00007fdc406bcd2f in QMetaObject::metacall(QObject*, QMetaObject::Call,
int, void**) () from /opt/qt4/lib/libQtCore.so.4
#56 0x00007fdc406cc44e in QMetaCallEvent::placeMetaCall(QObject*) () from
/opt/qt4/lib/libQtCore.so.4
#57 0x00007fdc406cd729 in QObject::event(QEvent*) () from
/opt/qt4/lib/libQtCore.so.4
#58 0x00007fdc3f2b269a in QApplicationPrivate::notify_helper (this=0x646170,
receiver=0xb8a7ac0, e=0xbf286b0) at kernel/qapplication.cpp:4462
#59 0x00007fdc3f2afcbe in QApplication::notify (this=0x7fff8d0b2c80,
receiver=0xb8a7ac0, e=0xbf286b0) at kernel/qapplication.cpp:3862
#60 0x00007fdc412387d1 in KApplication::notify (this=0x7fff8d0b2c80,
receiver=0xb8a7ac0, event=0xbf286b0)
at
/home/andris/development/sources/kde-trunk/kdelibs/kdeui/kernel/kapplication.cpp:311
#61 0x00007fdc406b4bbb in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /opt/qt4/lib/libQtCore.so.4
#62 0x00007fdc46030ad7 in QCoreApplication::sendEvent(QObject*, QEvent*) ()
from /opt/qt4/lib/libQtWebKit.so.4
#63 0x00007fdc406b5df4 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /opt/qt4/lib/libQtCore.so.4
#64 0x00007fdc406b5a15 in QCoreApplication::sendPostedEvents(QObject*, int) ()
from /opt/qt4/lib/libQtCore.so.4
#65 0x00007fdc406ee633 in QCoreApplication::sendPostedEvents() () from
/opt/qt4/lib/libQtCore.so.4
#66 0x00007fdc406ed5ec in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /opt/qt4/lib/libQtCore.so.4
#67 0x00007fdc38169bd3 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#68 0x00007fdc3816a3b0 in ?? () from /lib64/libglib-2.0.so.0
#69 0x00007fdc3816a650 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#70 0x00007fdc406ededb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /opt/qt4/lib/libQtCore.so.4
#71 0x00007fdc3f38b52e in QGuiEventDispatcherGlib::processEvents
(this=0x6124d0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x00007fdc406b271e in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/opt/qt4/lib/libQtCore.so.4
#73 0x00007fdc406b2872 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/opt/qt4/lib/libQtCore.so.4
#74 0x00007fdc406b52ae in QCoreApplication::exec() () from
/opt/qt4/lib/libQtCore.so.4
#75 0x00007fdc3f2af836 in QApplication::exec () at kernel/qapplication.cpp:3736
#76 0x000000000040436f in main (argc=1, argv=0x7fff8d0b32a8) at
/home/andris/development/sources/kde-trunk/kdepim/kontact/src/main.cpp:218
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