Version: (using KDE KDE 3.0.5) Installed from: Mandrake RPMs OS: Linux After downloading KDE 3.0.5a from Mandrake (currently running Mandrake 9.0), kwin frequently segfaults. This occurs when running several applications shaded and in all desktops.Applications include kjots, jpilot, and gkrellm. Crashes occur when switching between windows, or clicking on an icon in the panel for an application that is running on a different desktop. Also occurs when left-clicking in the titlebar of a window. The backtrace is as follows: 0 0x4006d169 in KWinInternal::Client::mainClient() () from /usr/lib/kwin.so (gdb) bt #0 0x4006d169 in KWinInternal::Client::mainClient() () from /usr/lib/kwin.so #1 0x4004956f in KWinInternal::Workspace::setActiveClient(KWinInternal::Client*) () from /usr/lib/kwin.so #2 0x4004a724 in KWinInternal::Workspace::requestFocus(KWinInternal::Client*, bool) () from /usr/lib/kwin.so #3 0x400507e0 in KWinInternal::Workspace::setCurrentDesktop(int) () from /usr/lib/kwin.so #4 0x40049cd0 in KWinInternal::Workspace::activateClient(KWinInternal::Client*, bool) () from /usr/lib/kwin.so #5 0x4007d4b9 in KWinInternal::RootInfo::changeActiveWindow(unsigned long) () from /usr/lib/kwin.so #6 0x4030eda4 in NETRootInfo::event(_XEvent*) () from /usr/lib/libkdecore.so.4 #7 0x40045735 in KWinInternal::Workspace::workspaceEvent(_XEvent*) () from /usr/lib/kwin.so #8 0x40070f6e in Application::x11EventFilter(_XEvent*) () from /usr/lib/kwin.so #9 0x405c3bfc in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/qt3/lib/libqt-mt.so.3 #10 0x405c38cf in QApplication::processNextEvent(bool) () from /usr/lib/qt3/lib/libqt-mt.so.3 #11 0x4062e270 in QApplication::enter_loop() () from /usr/lib/qt3/lib/libqt-mt.so.3 #12 0x405c332d in QApplication::exec() () from /usr/lib/qt3/lib/libqt-mt.so.3 #13 0x40071347 in kdemain () from /usr/lib/kwin.so #14 0x0804855b in kdemain () #15 0x40d40082 in __libc_start_main () from /lib/i686/libc.so.6
Can you reproduce the problem also with KDE3.1?
Subject: KDE_3_1_BRANCH: kdebase/kwin CVS commit by lunakl: Backport r1.378, it should fix #52590,#53158 and #53323. I cannot actually reproduce the problem, but this change removes code that appears in the provided backtraces, so I suppose it will be fixed now. CCMAIL:52590-done@bugs.kde.org CCMAIL:53158-done@bugs.kde.org CCMAIL:53323-done@bugs.kde.org M +8 -10 workspace.cpp 1.372.2.11 --- kdebase/kwin/workspace.cpp #1.372.2.10:1.372.2.11 @@ -1663,5 +1663,5 @@ void Workspace::clientHidden( Client* c if( popup ) popup->close(); - active_client = 0; + setActiveClient( NULL ); should_get_focus = 0; c->setActive( FALSE ); // clear the state in the client @@ -2181,6 +2181,4 @@ void Workspace::focusToNull(){ } XSetInputFocus(qt_xdisplay(), null_focus_window, RevertToPointerRoot, qt_x_time ); - if( !block_focus ) - setActiveClient( 0 ); } @@ -2273,6 +2271,4 @@ void Workspace::setCurrentDesktop( int n return; - Client* old_active_client = active_client; - active_client = 0; if( popup ) popup->close(); @@ -2325,7 +2321,6 @@ void Workspace::setCurrentDesktop( int n // Search in focus chain - if ( focus_chain.contains( old_active_client ) && old_active_client->isVisible() ) { - c = old_active_client; - active_client = c; // the requestFocus below will fail, as the client is already active + if ( focus_chain.contains( active_client ) && active_client->isVisible() ) { + c = active_client; // the requestFocus below will fail, as the client is already active } @@ -2362,6 +2357,9 @@ void Workspace::setCurrentDesktop( int n // and active_client is sticky and under mouse (hence == old_active_client), // conserve focus (thanks to Volker Schatz <V.Schatz at thphys.uni-heidelberg.de>) - else if( old_active_client && old_active_client->isVisible() ) - c= old_active_client; + else if( active_client && active_client->isVisible() ) + c= active_client; + + if( c != active_client ) + setActiveClient( NULL ); if ( c ) {