Recovering from "Unwind error during termination"?

Colin Putney cputney at
Tue Jan 17 04:06:27 UTC 2006

On Jan 16, 2006, at 7:57 PM, tim Rowledge wrote:

>> I just had an "Unwind error during termination" from which I was  
>> only able to recover by hand-editing the underlying debugger. It  
>> seems that trying to abort or otherwise closing the window will  
>> result in another unwind error which leaves one in precisely the  
>> same situation as before. Has anyone seen that problem before, and  
>> if so, has any idea how to fix that?
> I've noticed this a few times when using the TestRunner and  
> abandoning a failed test. I *think* when I open a debugger on a  
> test that fails an assert is when it happens. I look, see what is  
> wrong and closes the debugger. Sometimes a little while after that  
> I get this error. Normally I can get rid of it after closing the  
> notifier, sometimes several of them. Once I vaguely recall having  
> to simply abandon an image.
> My only thought on the cause relate to the fact that the testrunner  
> uses another process to run the tests and unwinding across  
> processes may well be an issue.

I've run into this too. I don't know what causes it, but I have  
discovered that you can escape from the loop by *proceeding* from the  


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