[Bug swing/29508] New: CairoSurface - InternalError

[david dot gilbert at object-refinery dot com]

With the latest GNU Classpath from CVS, I can trigger this exception while
scrolling the JTree component in our Swing demo.  I've had this error twice,
I'll try to determine the exact steps to reproduce it.

** ERROR **: file gnu_java_awt_peer_gtk_CairoSurface.c: line 300
(Java_gnu_java_ awt_peer_gtk_CairoSurface_copyAreaNative2): assertion failed:
(temp != NULL)
aborting...
java.lang.InternalError
   at gnu.java.awt.peer.gtk.CairoSurface.copyAreaNative2(Native Method)
   at gnu.java.awt.peer.gtk.CairoSurface.copyAreaNative(CairoSurface.java:331)
   at
gnu.java.awt.peer.gtk.CairoSurfaceGraphics.copyAreaImpl(CairoSurfaceGraphi
cs.java:110)
   at gnu.java.awt.peer.gtk.CairoGraphics2D.copyArea(CairoGraphics2D.java:1253)
   at javax.swing.JViewport.paintBackingStore(JViewport.java:840)
   at javax.swing.JViewport.paint(JViewport.java:495)
   at javax.swing.JComponent.paintChildren(JComponent.java:1969)
   at javax.swing.JComponent.paint(JComponent.java:1837)
   at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:2349)
   at javax.swing.JComponent.paintImmediately2(JComponent.java:2266)
   at javax.swing.JComponent.paintImmediately(JComponent.java:2105)
   at javax.swing.JComponent.paintImmediately(JComponent.java:2131)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:594)
   at javax.swing.RepaintManager$RepaintWorker.run(RepaintManager.java:170)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:200)
   at
javax.swing.RepaintManager$RepaintWorkerEvent.dispatch(RepaintManager.java
:114)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:609)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)
Aborted


-- 
           Summary: CairoSurface - InternalError
           Product: classpath
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: swing
        AssignedTo: roman at kennke dot org
        ReportedBy: david dot gilbert at object-refinery dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29508