Application: plasma-desktop (0.4) KDE Platform Version: 4.6.2 (4.6.2) Qt Version: 4.7.0 Operating System: Linux 2.6.35-28-generic i686 Distribution: Linux Mint 10 KDE -- Information about the crash: I clicked on the minimized Firefox icon in the panel and the desktop crashed. The crash can be reproduced some of the time. -- Backtrace: Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault [Current thread is 1 (Thread 0xb7766730 (LWP 2111))] Thread 14 (Thread 0xb5396b70 (LWP 2119)): #0 0x0266f3eb in pthread_mutex_lock () from /lib/libpthread.so.0 #1 0x0096ff66 in pthread_mutex_lock () from /lib/libc.so.6 #2 0x021ffea3 in g_main_context_prepare () from /lib/libglib-2.0.so.0 #3 0x02200279 in ?? () from /lib/libglib-2.0.so.0 #4 0x02200848 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #5 0x03e6e59f in QEventDispatcherGlib::processEvents (this=0x9f32750, flags=...) at kernel/qeventdispatcher_glib.cpp:417 #6 0x03e3e609 in QEventLoop::processEvents (this=0xb5396270, flags=) at kernel/qeventloop.cpp:149 #7 0x03e3ea8a in QEventLoop::exec (this=0xb5396270, flags=...) at kernel/qeventloop.cpp:201 #8 0x03d3ab7e in QThread::exec (this=0x9f2a6a0) at thread/qthread.cpp:490 #9 0x03e1d35b in QInotifyFileSystemWatcherEngine::run (this=0x9f2a6a0) at io/qfilesystemwatcher_inotify.cpp:248 #10 0x03d3ddf9 in QThreadPrivate::start (arg=0x9f2a6a0) at thread/qthread_unix.cpp:266 #11 0x0266ccc9 in start_thread () from /lib/libpthread.so.0 #12 0x0096269e in clone () from /lib/libc.so.6 Thread 13 (Thread 0xae267b70 (LWP 2131)): #0 0x064d3e36 in clock_gettime () from /lib/librt.so.1 #1 0x03d9950b in do_gettime () at tools/qelapsedtimer_unix.cpp:105 #2 qt_gettime () at tools/qelapsedtimer_unix.cpp:119 #3 0x03e706e5 in QTimerInfoList::updateCurrentTime (this=0x9d02274) at kernel/qeventdispatcher_unix.cpp:339 #4 0x03e7072a in QTimerInfoList::timerWait (this=0x9d02274, tm=...) at kernel/qeventdispatcher_unix.cpp:442 #5 0x03e6e7a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xae26709c) at kernel/qeventdispatcher_glib.cpp:136 #6 0x03e6e83d in timerSourcePrepare (source=0x0, timeout=0x64d7ff4) at kernel/qeventdispatcher_glib.cpp:169 #7 0x021ffe6a in g_main_context_prepare () from /lib/libglib-2.0.so.0 #8 0x02200279 in ?? () from /lib/libglib-2.0.so.0 #9 0x02200848 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #10 0x03e6e59f in QEventDispatcherGlib::processEvents (this=0x9cfdc80, flags=...) at kernel/qeventdispatcher_glib.cpp:417 #11 0x03e3e609 in QEventLoop::processEvents (this=0xae267270, flags=) at kernel/qeventloop.cpp:149 #12 0x03e3ea8a in QEventLoop::exec (this=0xae267270, flags=...) at kernel/qeventloop.cpp:201 #13 0x03d3ab7e in QThread::exec (this=0x9eee548) at thread/qthread.cpp:490 #14 0x03e1d35b in QInotifyFileSystemWatcherEngine::run (this=0x9eee548) at io/qfilesystemwatcher_inotify.cpp:248 #15 0x03d3ddf9 in QThreadPrivate::start (arg=0x9eee548) at thread/qthread_unix.cpp:266 #16 0x0266ccc9 in start_thread () from /lib/libpthread.so.0 #17 0x0096269e in clone () from /lib/libc.so.6 Thread 12 (Thread 0xb49ffb70 (LWP 2334)): #0 0x00125416 in __kernel_vsyscall () #1 0x026714dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fd9d in pthread_cond_wait () from /lib/libc.so.6 #3 0x055af3a5 in ?? () from /usr/lib/libQtWebKit.so.4 #4 0x055af481 in ?? () from /usr/lib/libQtWebKit.so.4 #5 0x0266ccc9 in start_thread () from /lib/libpthread.so.0 #6 0x0096269e in clone () from /lib/libc.so.6 Thread 11 (Thread 0xacfe7b70 (LWP 2516)): #0 0x00125416 in __kernel_vsyscall () #1 0x026714dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fd9d in pthread_cond_wait () from /lib/libc.so.6 #3 0x09048877 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x91471a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #4 0x090488c1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x91471a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #5 0x0266ccc9 in start_thread () from /lib/libpthread.so.0 #6 0x0096269e in clone () from /lib/libc.so.6 Thread 10 (Thread 0x9e966b70 (LWP 2517)): #0 0x00125416 in __kernel_vsyscall () #1 0x02671884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fdf4 in pthread_cond_timedwait () from /lib/libc.so.6 #3 0x05b6fb3f in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 9 (Thread 0x9dd5ab70 (LWP 2518)): #0 0x00125416 in __kernel_vsyscall () #1 0x0095b371 in select () from /lib/libc.so.6 #2 0x05b9bf1c in xine_usec_sleep () from /usr/lib/libxine.so.1 #3 0x00000000 in ?? () Thread 8 (Thread 0x9d559b70 (LWP 2519)): #0 0x00125416 in __kernel_vsyscall () #1 0x00953df6 in poll () from /lib/libc.so.6 #2 0x0220da1b in g_poll () from /lib/libglib-2.0.so.0 #3 0x0220043c in ?? () from /lib/libglib-2.0.so.0 #4 0x02200848 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #5 0x03e6e59f in QEventDispatcherGlib::processEvents (this=0xa5b77e8, flags=...) at kernel/qeventdispatcher_glib.cpp:417 #6 0x03e3e609 in QEventLoop::processEvents (this=0x9d559260, flags=) at kernel/qeventloop.cpp:149 #7 0x03e3ea8a in QEventLoop::exec (this=0x9d559260, flags=...) at kernel/qeventloop.cpp:201 #8 0x03d3ab7e in QThread::exec (this=0xac24b50) at thread/qthread.cpp:490 #9 0x047ffd7a in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so #10 0x03d3ddf9 in QThreadPrivate::start (arg=0xac24b50) at thread/qthread_unix.cpp:266 #11 0x0266ccc9 in start_thread () from /lib/libpthread.so.0 #12 0x0096269e in clone () from /lib/libc.so.6 Thread 7 (Thread 0x9cd58b70 (LWP 2520)): #0 0x0096ff8c in pthread_mutex_unlock () from /lib/libc.so.6 #1 0x0253f961 in pa_mutex_unlock () from /usr/lib/libpulsecommon-0.9.21.so #2 0x05b03549 in ?? () from /usr/lib/libpulse.so.0 #3 0x05aefab9 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #4 0x05af1a73 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #5 0x05af1b44 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #6 0x05b03303 in ?? () from /usr/lib/libpulse.so.0 #7 0x02540bd5 in ?? () from /usr/lib/libpulsecommon-0.9.21.so #8 0x0266ccc9 in start_thread () from /lib/libpthread.so.0 #9 0x0096269e in clone () from /lib/libc.so.6 Thread 6 (Thread 0x98556b70 (LWP 2521)): #0 0x00125416 in __kernel_vsyscall () #1 0x026714dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fd9d in pthread_cond_wait () from /lib/libc.so.6 #3 0x05b81b54 in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 5 (Thread 0x9796cb70 (LWP 2522)): #0 0x00125416 in __kernel_vsyscall () #1 0x026714dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fd9d in pthread_cond_wait () from /lib/libc.so.6 #3 0x05b736c8 in ?? () from /usr/lib/libxine.so.1 #4 0x00000000 in ?? () Thread 4 (Thread 0x96f9eb70 (LWP 2523)): #0 0x00125416 in __kernel_vsyscall () #1 0x026714dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fd9d in pthread_cond_wait () from /lib/libc.so.6 #3 0x05b736c8 in ?? () from /usr/lib/libxine.so.1 #4 0x00000000 in ?? () Thread 3 (Thread 0x9679db70 (LWP 2524)): #0 0x00125416 in __kernel_vsyscall () #1 0x026714dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fd9d in pthread_cond_wait () from /lib/libc.so.6 #3 0x05b84f3c in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 2 (Thread 0x959beb70 (LWP 5057)): #0 0x00125416 in __kernel_vsyscall () #1 0x02671884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x0096fdf4 in pthread_cond_timedwait () from /lib/libc.so.6 #3 0x05b6fb3f in ?? () from /usr/lib/libxine.so.1 #4 0x00000000 in ?? () Thread 1 (Thread 0xb7766730 (LWP 2111)): [KCrash Handler] #7 t (this=0x9cb50e8, event=0xa7605f0, receiver=0xa357538, postedEvents=0x9eaf18) at ../../include/QtCore/../../src/corelib/tools/qlist.h:110 #8 at (this=0x9cb50e8, event=0xa7605f0, receiver=0xa357538, postedEvents=0x9eaf18) at ../../include/QtCore/../../src/corelib/tools/qlist.h:456 #9 QCoreApplication::compressEvent (this=0x9cb50e8, event=0xa7605f0, receiver=0xa357538, postedEvents=0x9eaf18) at kernel/qcoreapplication.cpp:1226 #10 0x014b555c in QApplication::compressEvent (this=0x9cb50e8, event=0xa7605f0, receiver=0xa357538, postedEvents=0x9eaf18) at kernel/qapplication.cpp:1262 #11 0x03e427b7 in QCoreApplication::postEvent (receiver=0xa357538, event=0xa7605f0, priority=0) at kernel/qcoreapplication.cpp:1160 #12 0x03e42aac in QCoreApplication::postEvent (receiver=0xa357538, event=0xa7605f0) at kernel/qcoreapplication.cpp:1094 #13 0x03e512c4 in QObject::deleteLater (this=0xa357538) at kernel/qobject.cpp:2131 #14 0x0155d0bc in QX11Data::xdndHandleFinished (this=0x9cc5e38, xe=0xbfa2cfdc, passive=false) at kernel/qdnd_x11.cpp:1254 #15 0x01537716 in QApplication::x11ClientMessage (this=0x9cb50e8, w=0x9f548d8, event=0xbfa2cfdc, passive_only=56) at kernel/qapplication_x11.cpp:3107 #16 0x01548af4 in QApplication::x11ProcessEvent (this=0x9cb50e8, event=0xbfa2cfdc) at kernel/qapplication_x11.cpp:3668 #17 0x0157836a in x11EventSourceDispatch (s=0x9cc4ec0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146 #18 0x021fc855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0 #19 0x02200668 in ?? () from /lib/libglib-2.0.so.0 #20 0x02200848 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #21 0x03e6e565 in QEventDispatcherGlib::processEvents (this=0x9c88fd8, flags=...) at kernel/qeventdispatcher_glib.cpp:415 #22 0x01577be5 in QGuiEventDispatcherGlib::processEvents (this=0x9c88fd8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #23 0x03e3e609 in QEventLoop::processEvents (this=0xbfa2d2d4, flags=) at kernel/qeventloop.cpp:149 #24 0x03e3ea8a in QEventLoop::exec (this=0xbfa2d2d4, flags=...) at kernel/qeventloop.cpp:201 #25 0x03e4300f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009 #26 0x014b4e07 in QApplication::exec () at kernel/qapplication.cpp:3672 #27 0x00d211e7 in kdemain (argc=1, argv=0xbfa2d4e4) at ../../../../plasma/desktop/shell/main.cpp:118 #28 0x080485bb in main (argc=1, argv=0xbfa2d4e4) at plasma-desktop_dummy.cpp:3 Possible duplicates by query: bug 267279, bug 266436, bug 266426, bug 257455, bug 256732. Reported using DrKonqi
From the backtrace it looks like you "dragged" instead of clicked. The drag distance seems to be really low, maybe only 1 or 2 pixels. Can you reproduce the crash by trying to drag the taskbar entries?
*** This bug has been marked as a duplicate of bug 271844 ***