[iphone beta 6] rotating with a navigation controller

ok... this started happening in beta 6.
i have a navigation controller. when i rotate the device to landscape, the view that it is on only gets half the screen vertically, when i rotate it back to portrait, the view only gets half horizontally.
i have had many problems with rotating the device in the past, so it is likely that one of my workarounds i implemented then has not come back to bite me.
manually setting the top view's frame with:
navController.topViewController.view.frame = [self getScreenRect];
does nothing
any ideas?
john
Message was edited by: johne-dm

just some debugging ideas.
skip the nav controller and just have that top controller as the current view controller. see if you get the same behavior. then you know that it's not the nav controller.
check the autoresizemask property of the top view controller's view. it should be set to expand vertically/horizontally as necessary.
something that's helped me in the past is to set different backgroundColors for all view controller views.

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