Ok, I went to the scheme in Xcode and added the variable.  Running again 
produced the following backtrace.

0   QuartzCore                          0x00007fff8a736b95 
_ZN2CA11Transaction4pushEv + 219
1   QuartzCore                          0x00007fff8a73676d 
_ZN2CA11Transaction15ensure_implicitEv + 273
2   QuartzCore                          0x00007fff8a73660a 
_ZN2CA11Transaction9set_valueEj12_CAValueTypePKv + 40
3   QuartzCore                          0x00007fff8a73659e +[CATransaction 
setDisableActions:] + 38
4   AppKit                              0x00007fff8e3ef8ae -[NSScrollerImp 
_updateLayerGeometry] + 67
5   AppKit                              0x00007fff8e3eee8d 
-[NSScroller(NSInternal2) _replaceScrollerImp] + 368
6   AppKit                              0x00007fff8e486ff8 -[NSScroller 
initWithCoder:] + 305
7   Foundation                          0x00007fff8b763c39 _decodeObjectBinary 
+ 2741
8   Foundation                          0x00007fff8b764a16 -[NSKeyedUnarchiver 
_decodeArrayOfObjectsForKey:] + 1189
9   Foundation                          0x00007fff8b764f88 -[NSArray(NSArray) 
initWithCoder:] + 538
10  Foundation                          0x00007fff8b763c39 _decodeObjectBinary 
+ 2741
11  Foundation                          0x00007fff8b762fe4 _decodeObject + 226
12  AppKit                              0x00007fff8e309061 -[NSView 
initWithCoder:] + 976
13  AppKit                              0x00007fff8e484597 -[NSScrollView 
initWithCoder:] + 335
14  Foundation                          0x00007fff8b763c39 _decodeObjectBinary 
+ 2741
15  Foundation                          0x00007fff8b762fe4 _decodeObject + 226

Is is possible to attach the debugger to this so that I can see the problem in 
my code?

Or can/should this be resolved with Atos?

And back to the beginning, what is an uncommitted CATransaction?

On Sep 5, 2012, at 3:41 PM, Kyle Sluder <k...@ksluder.com> wrote:

> On Wed, Sep 5, 2012, at 03:35 PM, John MacMullin wrote:
>> I am getting the following message:  CoreAnimation: warning, deleted
>> thread with uncommitted CATransaction; set CA_DEBUG_TRANSACTIONS=1 in
>> environment to log backtraces.
>> 
>> What in general would be causing this?
> 
> In general, it would be caused by deleting a thread with an uncommitted
> CATransaction. ;-)
> 
>> 
>> How do I set CA_DEBUG_TRANSACTIONS=1?
> 
> It's an environment variable. Set it in the Environment Variables
> section of the Arguments tab in the settings for the Run action of your
> scheme.
> 
> --Kyle Sluder

Best regards,

John MacMullin

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