[Webkit-unassigned] [Bug 168128] [GTK] Version 2.14.4 does not paint most websites

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=168128

--- Comment #12 from Adrian Perez <aperez at igalia.com> ---
For comparison, output with HiDPI disables (scale-factor==1): 

  % WEBKIT_DISABLE_COMPOSITING_MODE=1 run-minibrowser --gtk --debug
  Starting MiniBrowser.
  DrawingAreaImpl: instantiated!
  updatePreferences
    AC enabled: no
    AC forced: no
    layerTreeHost: 0x7fce46674fdd
  updateBackingStoreState
    m_forceRepaintAfterBackingStoreStateUpdate: no
  setNeedsDisplay
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  scheduleDisplay
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  ...
  (repeats a few times)
  ...
  scheduleDisplay
  setNeedsDisplayInRect
    dirty.isEmpty() -> early return
  mainFrameContentSizeChanged
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  scheduleDisplay
  didUpdateBackingStoreState
  setNeedsDisplay
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  scheduleDisplay
  sendDidUpdateBackingStoreState
  display
  shouldPaintBoundsRect
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  scheduleDisplay
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  scheduleDisplay
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  scheduleDisplay
  displayTimerFired
  display
  display
  shouldPaintBoundsRect
  didUpdate
  displayTimerFired
  display
  display: empty dirty region -> early return
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  scheduleDisplay
  setNeedsDisplayInRect
    continuing -> scheduleDisplay()
  ...

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