Version: 4.8 (using KDE 4.7.4) OS: Linux I just upgraded to KDE 4.8 via kubuntu packages and tried to start the formerly working kontact (which did crash), and then tried to start kmail stand-alone (which also crashed). The backtrace for the kmail crash is this: Application: Kontact (kontact), signal: Segmentation fault [Current thread is 1 (Thread 0xb76f7730 (LWP 2449))] Thread 3 (Thread 0xb68e8b70 (LWP 2450)): #0 0x007e2416 in __kernel_vsyscall () #1 0x01d84a5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169 #2 0x0782dcfc in __pthread_cond_wait (cond=0x9a84430, mutex=0x9a84418) at forward.c:139 #3 0x09363883 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4 #4 0x0936399f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4 #5 0x01d80d31 in start_thread (arg=0xb68e8b70) at pthread_create.c:304 #6 0x078200ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 Backtrace stopped: Not enough registers or memory available to unwind further Thread 2 (Thread 0xb5fbfb70 (LWP 2451)): #0 0x00860d10 in __GI_clock_gettime (clock_id=1, tp=0xb5fbf098) at ../sysdeps/unix/clock_gettime.c:116 #1 0x00d557d5 in do_gettime (frac=0xb5fbf090, sec=0xb5fbf088) at tools/qelapsedtimer_unix.cpp:123 #2 qt_gettime () at tools/qelapsedtimer_unix.cpp:140 #3 0x00e284b6 in QTimerInfoList::updateCurrentTime (this=0x9cbaa34) at kernel/qeventdispatcher_unix.cpp:339 #4 0x00e28086 in timerSourceCheckHelper (src=0x9cbaa00) at kernel/qeventdispatcher_glib.cpp:150 #5 timerSourceCheckHelper (src=0x9cbaa00) at kernel/qeventdispatcher_glib.cpp:144 #6 0x01dd7f24 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0 #7 0x01dd88f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #8 0x01dd8c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #9 0x00e27b37 in QEventDispatcherGlib::processEvents (this=0x9cb9450, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #10 0x00df81dd in QEventLoop::processEvents (this=0xb5fbf2c0, flags=...) at kernel/qeventloop.cpp:149 #11 0x00df8421 in QEventLoop::exec (this=0xb5fbf2c0, flags=...) at kernel/qeventloop.cpp:201 #12 0x00cfb90b in QThread::exec (this=0x9cb8f50) at thread/qthread.cpp:498 #13 0x00cfb9fb in QThread::run (this=0x9cb8f50) at thread/qthread.cpp:565 #14 0x00cfe7b3 in QThreadPrivate::start (arg=0x9cb8f50) at thread/qthread_unix.cpp:331 #15 0x01d80d31 in start_thread (arg=0xb5fbfb70) at pthread_create.c:304 #16 0x078200ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130 Backtrace stopped: Not enough registers or memory available to unwind further Thread 1 (Thread 0xb76f7730 (LWP 2449)): [KCrash Handler] #7 data (this=0x4) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135 #8 qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:2343 #9 d_func (this=0x0) at kernel/qaction.h:67 #10 QAction::setText (this=0x0, text=...) at kernel/qaction.cpp:814 #11 0x0377922e in KMMainWidget::updateFolderMenu() () from /usr/lib/libkmailprivate.so.4 #12 0x03782f3e in KMMainWidget::setupActions() () from /usr/lib/libkmailprivate.so.4 #13 0x0378ab25 in KMMainWidget::KMMainWidget(QWidget*, KXMLGUIClient*, KActionCollection*, KSharedPtr<KSharedConfig>) () from /usr/lib/libkmailprivate.so.4 #14 0x02d9c293 in ?? () from /usr/lib/kde4/kmailpart.so #15 0x02d9d7a4 in QObject* KPluginFactory::createPartInstance<KMailPart>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kmailpart.so #16 0x00a9f27e in KPluginFactory::create (this=0x9fb66a0, iface=0x1ab400 "KParts::ReadOnlyPart", parentWidget=0x9daa1e8, parent=0x9daa1e8, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:203 #17 0x0087a96e in create<KParts::ReadOnlyPart> (args=..., parent=0x9daa1e8, this=<optimized out>) at /usr/include/kpluginfactory.h:507 #18 KontactInterface::Core::createPart (this=0x9daa1e8, libname=0x9f904a8 "kmailpart") at ../../kontactinterface/core.cpp:87 #19 0x0087c7e7 in KontactInterface::Plugin::loadPart (this=0x9f9e4f0) at ../../kontactinterface/plugin.cpp:152 #20 0x052b0e7a in ?? () from /usr/lib/kde4/kontact_kmailplugin.so #21 0x0087d6f0 in KontactInterface::Plugin::part (this=0x9f9e4f0) at ../../kontactinterface/plugin.cpp:191 #22 0x00c80b7b in Kontact::MainWindow::selectPlugin(KontactInterface::Plugin*) () from /usr/lib/libkontactprivate.so.4 #23 0x00c7cbcc in Kontact::MainWindow::loadSettings() () from /usr/lib/libkontactprivate.so.4 #24 0x00c7f45d in Kontact::MainWindow::initObject() () from /usr/lib/libkontactprivate.so.4 #25 0x00c7f937 in Kontact::MainWindow::MainWindow() () from /usr/lib/libkontactprivate.so.4 #26 0x0804b83e in _start () Reproducible: Always Steps to Reproduce: Start kmail. Actual Results: kmail crashes before showing a window. Expected Results: I can read and write mail with kmail.
Fixed with the latest upgrade from kubuntu.