When I press Ctrl+F11 to enter the kwin desktop cube, kwin crashes and immediately recovers giving the information at the bottom of this report.

Also, when I select the option to automatically rotate the cube when dragging a window to a screen edge, the cube sort of half-rotates and then sticks there.

This has been an issue with recent git versions of Mesa/r600g for probably a week, I just haven't gotten around to reporting it.

Currently I am using the X/Mesa stack from the Ubuntu Xorg-Edgers PPA on Kubuntu 11.04 with KDE 4.6.2. I have a custom kernel which is currently based on Linux 2.6.39-rc5-git2, it has the latest drm-next patches added to it.


Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7ed185a7a0 (LWP 1878))]

Thread 3 (Thread 0x7f7eb07fe700 (LWP 1884)):
#0  0x00007f7ed10a5143 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f7ecd4a632c in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timeval const*) () from /usr/lib/libQtCore.so.4
#2  0x00007f7ecd4ab3d0 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timeval*) () from /usr/lib/libQtCore.so.4
#3  0x00007f7ecd4ac04a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007f7ecd47d882 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007f7ecd47dabc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007f7ecd394924 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f7ecd45fc2f in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f7ecd397175 in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007f7ec7a8ad8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f7ed10ad04d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7eaffed700 (LWP 1885)):
#0  0x00007f7ec7a8fbac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f7ecff0c2a2 in ?? () from /usr/lib/libQtScript.so.4
#2  0x00007f7ecff0c2d9 in ?? () from /usr/lib/libQtScript.so.4
#3  0x00007f7ec7a8ad8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f7ed10ad04d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7ed185a7a0 (LWP 1878)):
[KCrash Handler]
#6  0x00007f7eb8470ba5 in ?? () from /usr/lib/dri/r600_dri.so
#7  0x00007f7eb83952f0 in ?? () from /usr/lib/dri/r600_dri.so
#8  0x00007f7eb83984a2 in ?? () from /usr/lib/dri/r600_dri.so
#9  0x00007f7eb283f91a in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#10 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#11 0x00007f7ecf4f6a18 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#12 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#13 0x00007f7ecf4f6a18 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#14 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#15 0x00007f7eb2837d86 in ?? () from /usr/lib/kde4/kwin4_effect_builtins.so
#16 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#17 0x00007f7ecf4f6a18 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#18 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#19 0x00007f7ecf4f6a18 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#20 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#21 0x00007f7ecf4f6a18 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#22 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#23 0x00007f7ecf4f6a18 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () from /usr/lib/libkwineffects.so.1
#24 0x00007f7ed1436fa3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#25 0x00007f7ed141b0af in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#26 0x00007f7ed142eef3 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#27 0x00007f7ed1416396 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#28 0x00007f7ecd4921c9 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#29 0x00007f7ecc83f9e4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00007f7ecc8443aa in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x00007f7ed0ba8866 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#32 0x00007f7ecd47e49c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#33 0x00007f7ecd4abf12 in ?? () from /usr/lib/libQtCore.so.4
#34 0x00007f7ecd4ac05b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#35 0x00007f7ecc8e7c0c in ?? () from /usr/lib/libQtGui.so.4
#36 0x00007f7ecd47d882 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#37 0x00007f7ecd47dabc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#38 0x00007f7ecd481ecb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#39 0x00007f7ed13b41ec in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so
#40 0x00007f7ed0fe5eff in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#41 0x0000000000400669 in _start ()