Once it a while one of those left-over konqueror processes crashes. Below is a backtrace from one of those crashes:
Application: Konqueror (konqueror), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f63afe36760 (LWP 23710))] Thread 3 (Thread 0x7f6399e8e700 (LWP 23711)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 #1 0x00007f639c4afc0d in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f639ce70280) at wtf/FastMalloc.cpp:2499 #2 0x00007f639c4afd19 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1622 #3 0x00007f63a8d89b50 in start_thread (arg=<optimized out>) at pthread_create.c:304 #4 0x00007f63af6b870d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #5 0x0000000000000000 in ?? () Thread 2 (Thread 0x7f639958d700 (LWP 23712)): #0 0x00007f63af6adac3 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=5769) at ../sysdeps/unix/sysv/linux/poll.c:87 #1 0x00007f63a84c14d4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f63a84c15f4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f63ad192296 in QEventDispatcherGlib::processEvents (this=0x20b22c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426 #4 0x00007f63ad1628af in QEventLoop::processEvents (this=this@entry=0x7f639958ce40, flags=...) at kernel/qeventloop.cpp:149 #5 0x00007f63ad162b38 in QEventLoop::exec (this=0x7f639958ce40, flags=...) at kernel/qeventloop.cpp:204 #6 0x00007f63ad065d70 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501 #7 0x00007f63ad068d0b in QThreadPrivate::start (arg=0x20b1fb0) at thread/qthread_unix.cpp:307 #8 0x00007f63a8d89b50 in start_thread (arg=<optimized out>) at pthread_create.c:304 #9 0x00007f63af6b870d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #10 0x0000000000000000 in ?? () Thread 1 (Thread 0x7f63afe36760 (LWP 23710)): [KCrash Handler] #6 0x00007f63ad17bccf in QObject::disconnect (sender=0x2642800, signal=0x0, receiver=0x2277e60, method=0x20e9619 "receiveMetaData()") at kernel/qobject.cpp:2891 #7 0x00007f639c1a57fe in disconnect (member=0x7f639c77f74f "1receiveMetaData()", receiver=0x2277e60, this=<optimized out>) at /usr/include/qt4/QtCore/qobject.h:252 #8 WebCore::QNetworkReplyWrapper::resetConnections (this=0x2277e60) at platform/network/qt/QNetworkReplyHandler.cpp:254 #9 0x00007f639c1a585d in WebCore::QNetworkReplyWrapper::release (this=0x2277e60) at platform/network/qt/QNetworkReplyHandler.cpp:235 #10 0x00007f639c1a59d6 in WebCore::QNetworkReplyHandler::release (this=this@entry=0x2a39280) at platform/network/qt/QNetworkReplyHandler.cpp:419 #11 0x00007f639c1a5a2e in WebCore::QNetworkReplyHandler::abort (this=0x2a39280) at platform/network/qt/QNetworkReplyHandler.cpp:407 #12 0x00007f639c1a2e29 in WebCore::ResourceHandle::cancel (this=0x7f634fca9d98) at platform/network/qt/ResourceHandleQt.cpp:107 #13 0x00007f639bfa66dd in WebCore::PingLoader::~PingLoader (this=0x7f634f72bbe0, __in_chrg=<optimized out>) at loader/PingLoader.cpp:130 #14 0x00007f639bfa6769 in WebCore::PingLoader::~PingLoader (this=0x7f634f72bbe0, __in_chrg=<optimized out>) at loader/PingLoader.cpp:131 #15 0x00007f639c07c3a2 in WebCore::ThreadTimers::sharedTimerFiredInternal (this=0x7f63995c77a8) at platform/ThreadTimers.cpp:112 #16 0x00007f63ad17885c in QObject::event (this=0x20ca920, e=<optimized out>) at kernel/qobject.cpp:1157 #17 0x00007f63ac29070c in QApplicationPrivate::notify_helper (this=this@entry=0x1b6f160, receiver=receiver@entry=0x20ca920, e=e@entry=0x7fff91f33280) at kernel/qapplication.cpp:4556 #18 0x00007f63ac294b8a in QApplication::notify (this=0x7fff91f33800, receiver=0x20ca920, e=0x7fff91f33280) at kernel/qapplication.cpp:4417 #19 0x00007f63adbef8a6 in KApplication::notify (this=0x7fff91f33800, receiver=0x20ca920, event=0x7fff91f33280) at ../../kdeui/kernel/kapplication.cpp:311 #20 0x00007f63ad163b5e in QCoreApplication::notifyInternal (this=0x7fff91f33800, receiver=0x20ca920, event=0x7fff91f33280) at kernel/qcoreapplication.cpp:915 #21 0x00007f63ad194a52 in sendEvent (event=0x7fff91f33280, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #22 QTimerInfoList::activateTimers (this=0x1b70c90) at kernel/qeventdispatcher_unix.cpp:611 #23 0x00007f63ad191c04 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186 #24 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180 #25 0x00007f63ad191c21 in idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:233 #26 0x00007f63a84c1205 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #27 0x00007f63a84c1538 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #28 0x00007f63a84c15f4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #29 0x00007f63ad192276 in QEventDispatcherGlib::processEvents (this=0x1b42b30, flags=...) at kernel/qeventdispatcher_glib.cpp:424 #30 0x00007f63ac33183e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #31 0x00007f63ad1628af in QEventLoop::processEvents (this=this@entry=0x7fff91f33500, flags=...) at kernel/qeventloop.cpp:149 #32 0x00007f63ad162b38 in QEventLoop::exec (this=0x7fff91f33500, flags=...) at kernel/qeventloop.cpp:204 #33 0x00007f63ad167cf8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187 #34 0x00007f63afa19012 in kdemain (argc=<optimized out>, argv=<optimized out>) at ../../../konqueror/src/konqmain.cpp:227 #35 0x00007f63af5feead in __libc_start_main (main=<optimized out>, argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff91f33a78) at libc-start.c:228 #36 0x0000000000400771 in _start () -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". 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