KTorrent SVN crashed

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ubunt00l Registered Member Posts 22 Karma 0	KTorrent SVN crashed Wed Jan 11, 2006 3:19 pm I downloaded the newest SVN of KTorrent and experienced a crash when I tried to cancel/remove one of the torrents I was downloading. From what I remember, the torrent had a somewhat long filename possibly with weird characters in it like dashes and periods and stuff. Not sure if that matters. Plus it was one of the 7 torrents I had loaded in KTorrent and was trying to download at the time. I'll try and reproduce the bug when I get back home. I am using Kubuntu with KDE 3.4. Does it matter what version of GCC i use to compile KTorrent? I will have to double check which one I used.
George Moderator Posts 5421 Karma 1	Wed Jan 11, 2006 6:00 pm gcc version doesn't matter. A backtrace would be handy, this is probably the same bug which Ivan is experiencing.
imported4-Ivan Registered Member Posts 819 Karma 0	Wed Jan 11, 2006 6:13 pm It looks just like it, yes. Send the backtrace so we can be sure it's the same thing.
ubunt00l Registered Member Posts 22 Karma 0	oh well Wed Jan 11, 2006 9:45 pm I can't seem to make it crash again. We rest assured that if I encounter something like it again, that I will grab the backtrace for it. Thanks anyways.
ubunt00l Registered Member Posts 22 Karma 0	Got one!!! Thu Jan 12, 2006 3:21 am Ok I got a crash for you, it happened while trying to right click on one of about 7 listed torrents. Here's the backtrace: Code: Select all Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". `system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols. [Thread debugging using libthread_db enabled] [New Thread -1231923520 (LWP 26757)] [KCrash handler] #4 0xb7122bbe in QObjectCleanupHandler::clear () from /usr/lib/libqt-mt.so.3 #5 0xb7122c57 in QObjectCleanupHandler::~QObjectCleanupHandler () from /usr/lib/libqt-mt.so.3 #6 0xb606a2ec in kt::InfoWidget::fillFileTree () from /usr/lib/kde3/ktinfowidgetplugin.so #7 0xb606b7bc in kt::InfoWidget::changeTC () from /usr/lib/kde3/ktinfowidgetplugin.so #8 0xb6063373 in kt::InfoWidgetPlugin::currentChanged () from /usr/lib/kde3/ktinfowidgetplugin.so #9 0xb7f67f2d in kt::GUIInterface::notifyViewListeners () from /usr/lib/libktorrent.so.0 #10 0x0805ef29 in KTorrent::qt_invoke () #11 0xb7120929 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3 #12 0x0805fa10 in KTorrentView::currentChanged () #13 0x08061ddb in KTorrentView::qt_invoke () #14 0xb7120929 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3 #15 0xb7495e4d in QListView::currentChanged () from /usr/lib/libqt-mt.so.3 #16 0xb721f57e in QListView::setCurrentItem () from /usr/lib/libqt-mt.so.3 #17 0xb72226cf in QListView::contentsMousePressEventEx () from /usr/lib/libqt-mt.so.3 #18 0xb7222dc6 in QListView::contentsMousePressEvent () from /usr/lib/libqt-mt.so.3 #19 0xb79fe810 in KListView::contentsMousePressEvent () from /usr/lib/libkdeui.so.4 #20 0xb7252b0f in QScrollView::viewportMousePressEvent () from /usr/lib/libqt-mt.so.3 #21 0xb725577e in QScrollView::eventFilter () from /usr/lib/libqt-mt.so.3 #22 0xb721a3bd in QListView::eventFilter () from /usr/lib/libqt-mt.so.3 #23 0xb711da72 in QObject::activate_filters () from /usr/lib/libqt-mt.so.3 #24 0xb711daf0 in QObject::event () from /usr/lib/libqt-mt.so.3 #25 0xb715b268 in QWidget::event () from /usr/lib/libqt-mt.so.3 #26 0xb70b7f80 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3 #27 0xb70b8500 in QApplication::notify () from /usr/lib/libqt-mt.so.3 #28 0xb7805e37 in KApplication::notify () from /usr/lib/libkdecore.so.4 #29 0xb7048e25 in QApplication::sendSpontaneousEvent () from /usr/lib/libqt-mt.so.3 #30 0xb7044325 in QETWidget::translateMouseEvent () from /usr/lib/libqt-mt.so.3 #31 0xb704266f in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3 #32 0xb705bfff in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3 #33 0xb70cfcfb in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3 #34 0xb70cfc1e in QEventLoop::exec () from /usr/lib/libqt-mt.so.3 #35 0xb70b6c13 in QApplication::exec () from /usr/lib/libqt-mt.so.3 #36 0x0805b4b7 in main ()
Tanktalus Registered Member Posts 67 Karma 0 OS	Another backtrace... Thu Jan 12, 2006 5:06 am Because this appears to be a different backtrace for essentially the same problem, I'm going to put it in this thread. It may actually be the same thing, just gotten at two ways. I clicked on the "X" in the tool bar to remove the torrent, while ubunt00l may have right-clicked on the torrent to select the delete? Although I would have thought the two methods would result in the trace lining up again, so what do I know. I'll just leave it for the experts ;-> (Note that the torrent was not actually deleted because I cancelled that dialog that came up.) Finally, my version is the SVN version that George made available to me - I haven't upgraded since. Using host libthread_db library "/lib/libthread_db.so.1". `system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols. [Thread debugging using libthread_db enabled] [New Thread 16384 (LWP 8356)] [KCrash handler] #5 0xb737e664 in operator== () from /usr/qt/3/lib/libqt-mt.so.3 #6 0xb7184456 in QListViewItem::setText () from /usr/qt/3/lib/libqt-mt.so.3 #7 0x0806606e in KTorrentViewItem::update () #8 0x08061bb8 in KTorrentView::update () #9 0x0805e983 in KTorrent::updatedStats () #10 0x0805f1f5 in KTorrent::qt_invoke () #11 0xb70a608c in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3 #12 0xb70a67b6 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3 #13 0xb73e5f43 in QTimer::timeout () from /usr/qt/3/lib/libqt-mt.so.3 #14 0xb70c6b9b in QTimer::event () from /usr/qt/3/lib/libqt-mt.so.3 #15 0xb7045a4a in QApplication::internalNotify () from /usr/qt/3/lib/libqt-mt.so.3 #16 0xb7045bd9 in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3 #17 0xb76a035e in KApplication::notify () from /usr/kde/3.4/lib/libkdecore.so.4 #18 0xb7039bbb in QEventLoop::activateTimers () from /usr/qt/3/lib/libqt-mt.so.3 #19 0xb6ff475c in QEventLoop::processEvents () from /usr/qt/3/lib/libqt-mt.so.3 #20 0xb705b8e5 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3 #21 0xb7044d5b in QApplication::enter_loop () from /usr/qt/3/lib/libqt-mt.so.3 #22 0xb7c7905e in KIO::NetAccess::enter_loop () from /usr/kde/3.4/lib/libkio.so.4 #23 0xb7c79263 in KIO::NetAccess::delInternal () from /usr/kde/3.4/lib/libkio.so.4 #24 0xb7c79cd9 in KIO::NetAccess::del () from /usr/kde/3.4/lib/libkio.so.4 #25 0xb7edfefa in bt::Delete () from /usr/kde/3.4/lib/libktorrent.so.0 #26 0x0806808c in KTorrentCore::remove () #27 0x0805e143 in KTorrent::removeDownload () #28 0x0805f2af in KTorrent::qt_invoke () #29 0xb70a608c in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3 #30 0xb70a67b6 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3 #31 0xb797073b in KAction::activated () from /usr/kde/3.4/lib/libkdeui.so.4 #32 0xb797112e in KAction::slotActivated () from /usr/kde/3.4/lib/libkdeui.so.4 #33 0xb7970874 in KAction::slotButtonClicked () from /usr/kde/3.4/lib/libkdeui.so.4 #34 0xb7975910 in KAction::qt_invoke () from /usr/kde/3.4/lib/libkdeui.so.4 #35 0xb70a608c in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3 #36 0xb7a2c9a7 in KToolBarButton::buttonClicked () from /usr/kde/3.4/lib/libkdeui.so.4 #37 0xb7a2cb70 in KToolBarButton::mouseReleaseEvent () from /usr/kde/3.4/lib/libkdeui.so.4 #38 0xb70dd62d in QWidget::event () from /usr/qt/3/lib/libqt-mt.so.3 #39 0xb7045a4a in QApplication::internalNotify () from /usr/qt/3/lib/libqt-mt.so.3 #40 0xb7045df4 in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3 #41 0xb76a035e in KApplication::notify () from /usr/kde/3.4/lib/libkdecore.so.4 #42 0xb6fe2432 in QETWidget::translateMouseEvent () from /usr/qt/3/lib/libqt-mt.so.3 #43 0xb6fe0d0e in QApplication::x11ProcessEvent () from /usr/qt/3/lib/libqt-mt.so.3 #44 0xb6ff41fd in QEventLoop::processEvents () from /usr/qt/3/lib/libqt-mt.so.3 #45 0xb705b8e5 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3 #46 0xb705b83e in QEventLoop::exec () from /usr/qt/3/lib/libqt-mt.so.3 #47 0xb7044d35 in QApplication::exec () from /usr/qt/3/lib/libqt-mt.so.3 #48 0x0805b4fe in main ()
imported4-Ivan Registered Member Posts 819 Karma 0	Thu Jan 12, 2006 11:18 am Joris, the last backtrace looks just like the problem I'm experiencing....
George Moderator Posts 5421 Karma 1	Thu Jan 12, 2006 6:14 pm Well the Tanktalus' backtrace cannot happen anymore. KIO::NetAccess is far to slow if you start (de)selecting directories containing lots of files. So I chucked it out and replaced that by more lower level stuff.
George Moderator Posts 5421 Karma 1	Re: Got one!!! Thu Jan 12, 2006 6:22 pm @ ubunt00l : IIt seems to go wrong when the filetree gets rebuild in the infowidget. I have been clicking like hell between a couple of different torrents, so far no crashes..
ubunt00l Registered Member Posts 22 Karma 0	weird Fri Jan 13, 2006 2:41 am I know, I can't MAKE it crash. It only crashes when I totally don't expect it to. Heh, it's like it knows...... I've only had two crashes so far. I'll be sure to let you know of another.