i've added the viewer tests to apprunner, under Debug | Viewer. Linux: demo #2 works in viewer, crashes apprunner: #0 0x40b266a1 in __kill () #1 0x40b264cf in raise (sig=6) at ../sysdeps/posix/raise.c:27 #2 0x40b276df in abort () at ../sysdeps/generic/abort.c:83 #3 0x4083813a in PR_Abort () at prlog.c:461 #4 0x4002f426 in nsDebug::Abort (aFile=0x40eb6394 "nsViewManager.cpp", aLine=468) at nsDebug.cpp:93 #5 0x4002f48a in nsDebug::Break (aFile=0x40eb6394 "nsViewManager.cpp", aLine=468) at nsDebug.cpp:108 #6 0x4002f5cd in nsDebug::Assertion (aStr=0x40eb6434 "recursive painting not permitted", aExpr=0x40eb641c "!(PR_TRUE == mPainting)", aFile=0x40eb6394 "nsViewManager.cpp", aLine=468) at nsDebug.cpp:140 #7 0x40eb2223 in nsViewManager::Refresh (this=0x82d1420, aView=0x82c3cc8, aContext=0x8366f18, rect=0xbfffa0f0, aUpdateFlags=1) at nsViewManager.cpp:468 #8 0x40eb2d5a in nsViewManager::DispatchEvent (this=0x82d1420, aEvent=0xbfffa1b0, aStatus=@0xbfffa134) at nsViewManager.cpp:1626 #9 0x40eaa688 in HandleEvent (aEvent=0xbfffa1b0) at nsView.cpp:63 #10 0x40098bf6 in nsWidget::DispatchEvent (this=0x82c3d58, event=0xbfffa1b0, aStatus=@0xbfffa170) at nsWidget.cpp:888 #11 0x40098ad4 in nsWidget::DispatchWindowEvent (this=0x82c3d58, event=0xbfffa1b0) at nsWidget.cpp:848 #12 0x40099b95 in nsWindow::OnPaint (this=0x82c3d58, event=@0xbfffa1b0) at nsWindow.cpp:439 #13 0x400958a9 in handle_draw_event (w=0x82c2578, area=0xbfffa558, p=0x82c3d58) at nsGtkEventHandler.cpp:504 #14 0x4096d591 in gtk_marshal_NONE__POINTER (object=0x82c2578, func=0x40095854 <handle_draw_event(_GtkWidget *, _GdkRectangle *, void *)>, func_data=0x82c3d58, args=0xbfffa290) at gtkmarshal.c:216 #15 0x4093211a in gtk_handlers_run (handlers=0x833b0f0, signal=0xbfffa24c, object=0x82c2578, params=0xbfffa290, after=0) at gtksignal.c:1909 #16 0x40931624 in gtk_signal_real_emit (object=0x82c2578, signal_id=8, params=0xbfffa290) at gtksignal.c:1469 #17 0x4092f934 in gtk_signal_emit (object=0x82c2578, signal_id=8) at gtksignal.c:552 #18 0x40963894 in gtk_widget_draw (widget=0x82c2578, area=0xbfffa558) at gtkwidget.c:2310 #19 0x408fb593 in gtk_layout_draw (widget=0x82d18e8, area=0xbfffa8bc) at gtklayout.c:637 #20 0x4096d591 in gtk_marshal_NONE__POINTER (object=0x82d18e8, func=0x408fb488 <gtk_layout_draw>, func_data=0x0, args=0xbfffa5f4) at gtkmarshal.c:216

*** This bug has been marked as a duplicate of 4363 ***

Marking Verified as a dup

Moving all Apprunner bugs past and present to Other component temporarily whilst don and I set correct component. Apprunner component will be deleted/retired shortly.