Yeah, that was it.  I get by the place where the it used to deadlock.  I'm make 
a note of that!  Thanks
On Dec 26, 2010, at 10:57 PM, Nick Zitzmann wrote:

> 
> On Dec 26, 2010, at 5:00 PM, Brad Stone wrote:
> 
>> Ken - I never knew how to take a sample of the processes.  It's given me 
>> some visibility into the spinning beach ball.  I still get the deadlock in 
>> the commitEditing which is in saveDocumentWithDelegate only on some 
>> documents when I edit text that requires me to scroll an NSTextView.  Does 
>> anything jump out at you in this call graph?  What is NSOperation waiting 
>> for?
> 
> Did you turn on the "can draw concurrently" option on the text view or its 
> scroll view? If so, then turn that off. That option will not work, except in 
> views that specifically support threaded drawing. IIRC, none of the AppKit's 
> views support this (except for NSButton and NSProgressIndicator, but they 
> have separate APIs for this for historical reasons).
> 
> Nick Zitzmann
> <http://www.chronosnet.com/>
> 
> 
> 

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