(In reply to comment #42) > Going fishing: Alex, you said you were unable to reproduce this bug with > your cayman device. Could it be related to the display connector? I'm using > the DVI connector from my card and it is connected to a VGA connector on my > monitor through a DVI -> VGA adaptor. I may be able to test with a different > monitor/connector if you think this could be related. You can try , but I doubt it will make a difference. It seem to be related to the display controllers and access to memory when we make changes to the MC, so the connector type shouldn't matter.