Regression testing shows that this patch is the one that breaks Age of empires 3: 80953d62d7aff42b8516c48e1607efc6b0f96a8a is first bad commit commit 80953d62d7aff42b8516c48e1607efc6b0f96a8a Author: Stefan Dösinger <stefan@xxxxxxxxxxxxxxx> Date: Fri Jan 11 15:38:54 2008 +0100 d3d9: Reject IDirect3DDevice9::Reset with active default pool resources. :040000 040000 44d68649e695ba705b6d12af5040accbf58b90da 263011a3d6dbe3651456ea1c4bd306666c9968c6 M dlls :040000 040000 59d44762f48a6a10beec6d6f17f501c9cb534bab 2eb9ce5429689fa98748cd483b34b8e6b1a7f36e M include