Version: 1.9.50 (using 4.00.62 (KDE 4.0.62 >= 20080213), compiled sources) Compiler: gcc OS: Linux (i686) release 2.6.24-7-generic KDEPim Rev. : 775116 This bug is reproducible. Two IMAP accounts : - Account #1 with a subfolder in INBOX - Account #2 with no subfolder. Dragging a subfolder from #1/INBOX to #2/INBOX crashes kmail. (poor,sorry) backtrace : Application: KMail (kmail), signal SIGABRT Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". [Thread debugging using libthread_db enabled] [New Thread 0xb44546c0 (LWP 18967)] [New Thread 0xb151fb90 (LWP 18978)] [KCrash handler] #6 0xb7fc0410 in __kernel_vsyscall () #7 0xb520ff35 in raise () from /lib/tls/i686/cmov/libc.so.6 #8 0xb52118b1 in abort () from /lib/tls/i686/cmov/libc.so.6 #9 0xb7e57a75 in qt_message_output () from /usr/lib/libQtCore.so.4 #10 0xb7e57b38 in qFatal () from /usr/lib/libQtCore.so.4 #11 0xb7e57cd5 in qt_assert () from /usr/lib/libQtCore.so.4 #12 0xb58c9307 in QDragManager::cancel () from /usr/lib/libQtGui.so.4 #13 0xb58cbf61 in QDragManager::drag () from /usr/lib/libQtGui.so.4 #14 0xb5873130 in QDrag::start () from /usr/lib/libQtGui.so.4 #15 0xb556b666 in Q3DragObject::drag () from /usr/lib/libQt3Support.so.4 #16 0xb55687e9 in Q3DragObject::drag () from /usr/lib/libQt3Support.so.4 #17 0xb62112a4 in K3ListView::startDrag () from /opt/kde4/lib/libkde3support.so.4 #18 0xb6212641 in K3ListView::contentsMouseMoveEvent () from /opt/kde4/lib/libkde3support.so.4 #19 0xb5600e68 in Q3ScrollView::viewportMouseMoveEvent () from /usr/lib/libQt3Support.so.4 #20 0xb5602128 in Q3ScrollView::eventFilter () from /usr/lib/libQt3Support.so.4 #21 0xb55ac886 in Q3ListView::eventFilter () from /usr/lib/libQt3Support.so.4 #22 0xb752a29a in KMFolderTree::eventFilter () from /opt/kde4/lib/libkmailprivate.so.4 #23 0xb5862262 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #24 0xb5866511 in QApplication::notify () from /usr/lib/libQtGui.so.4 #25 0xb6a51f7d in KApplication::notify () from /opt/kde4/lib/libkdeui.so.5 #26 0xb7f13ccb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #27 0xb58beb5a in ?? () from /usr/lib/libQtGui.so.4 #28 0xbf94aefc in ?? () #29 0x0856fee8 in ?? () #30 0xbf948828 in ?? () #31 0xbf948894 in ?? () #32 0x00000000 in ?? () #0 0xb7fc0410 in __kernel_vsyscall ()
Adding another trace with rev. 777423 (using QT4.4 from trunk) : Application: KMail (kmail), signal SIGSEGV Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". [Thread debugging using libthread_db enabled] [New Thread 0xb4986720 (LWP 18134)] [KCrash handler] #6 0xb7f05f59 in QEventLoop::exit (this=0x0, returnCode=0) at ../../include/QtCore/../../src/corelib/kernel/qeventloop.h:60 #7 0xb57b7019 in QDragManager::eventFilter (this=0x9219fe0, o=0x921a488, e=0xbfcf8f5c) at kernel/qdnd_x11.cpp:1295 #8 0xb7f06cd8 in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x806c260, receiver=0x921a488, event=0xbfcf8f5c) at kernel/qcoreapplication.cpp:675 #9 0xb5747153 in QApplicationPrivate::notify_helper (this=0x806c260, receiver=0x921a488, e=0xbfcf8f5c) at kernel/qapplication.cpp:3734 #10 0xb574e1f5 in QApplication::notify (this=0xbfcfa62c, receiver=0x921a488, e=0xbfcf8f5c) at kernel/qapplication.cpp:3486 #11 0xb6a086ed in KApplication::notify () from /opt/kde4.4/lib/libkdeui.so.5 #12 0xb7f06db9 in QCoreApplication::notifyInternal (this=0xbfcfa62c, receiver=0x921a488, event=0xbfcf8f5c) at kernel/qcoreapplication.cpp:582 #13 0xb574d2c0 in QApplicationPrivate::sendMouseEvent (receiver=0x921a488, event=0xbfcf8f5c, alienWidget=0x0, nativeWidget=0x921a488, buttonDown=0xb5d51550, lastMouseReceiver=@0xb5d51554) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218 #14 0xb57a8bad in QETWidget::translateMouseEvent (this=0x921a488, event=0xbfcf9468) at kernel/qapplication_x11.cpp:4157 #15 0xb57a8297 in QApplication::x11ProcessEvent (this=0xbfcfa62c, event=0xbfcf9468) at kernel/qapplication_x11.cpp:3157 #16 0xb57cc88a in x11EventSourceDispatch (s=0x806efe8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148 #17 0xb5044d36 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #18 0xb50480f3 in ?? () from /usr/lib/libglib-2.0.so.0 #19 0x0806e278 in ?? () #20 0x00000000 in ?? () #0 0xb7fa9410 in __kernel_vsyscall ()
The issue has disappeared in revision 777768. Closing.