dealloc on Background Thread

Question

Is it an error to call dealloc on a UIViewController from a background thread? It seems that UITextView (can?) eventually call _

Answer 1

The second post here had useful info, but their answer didn't work for me.

UIWebView in multithread ViewController

It also seems that this may have been addressed in iPhone OS 4, but not sure.

I ended up not releasing my UIWebView in the controller's dealloc when [NSThread isMainThread] was NO. Would rather leak than crash (until I get a better solution).