> Actually, he's right -- it REALLY pegs the CPU -- ALT/CTL/CMD-. doesn't
 > cut it (at least not for me, even after trying for a minute.  It appears
 > to require killing Squeak.

Yes but the Squeak VM is preemptive between process lower priority 
processes. So the CPU being at 100% shouldn't be a problem. Or at least 
I think so.

I kind of remember that there were a problem in the past with the 
interrupt handler not working and later fixing it, but not being 100% 
accurate. But I am not sure.

Regards,
Hernán

Donald Major wrote:
> Actually, he's right -- it REALLY pegs the CPU -- ALT/CTL/CMD-. doesn't
> cut it (at least not for me, even after trying for a minute.  It appears
> to require killing Squeak.
> 
> On the other hand, I'm not sure about the wisdom of instantiating an
> abstract class in the first place -- the whole idea is that it SHOULDN'T
> have an instance anywhere in the system -- only any concrete subclasses
> should be instantiated.
> 
> But I do admit I'm surprised the system didn't catch that fact and
> complain...
> 
> Hernan Tylim wrote:
> 
>>Hi Bob, a tip that may help you.
>>
>>When you experience lock ups hit ALT+. (dot). It will interrupt the
>>currently executing operation on the GUI thread.  It's not that Squeak
>>is blocking but the GUI process. When that happens the interrupt key
>>will help you to figure out where the block happened, fix it and save
>>your work. Nevertheless is good policy to treat your images as
>>disposable and to save them frecuently :)
>>
>>Regards,
>>Hernán
>>
>>Bob.Cowdery at CGI-Europe.com wrote:
>>
>>
>>>Ok - I admit I don't know what I am doing but then that's always the
>>>best way to break something. Is Squeak that flaky or am I just being
>>>really unlucky? I have to say I have had more lock-ups in the short
>>>time I have been using Squeak than in any other language system I have
>>>used. Quite a few in Morphic but the last one simply doing this:
>>>
>>> 
>>>
>>>x := SequenceableCollection new, then try to print x. Lock-up + 100%
>>>CPU. The only response is from the main window, quit without saving
>>>then kill squeak as it's still running.
>>>
>>> 
>>>
>>>I was simply trying to understand why forceTo: paddingStartWith:
>>>didn't work if the length was more than the original string. What I
>>>wanted to do was add a calculated number of padding '0' characters in
>>>front of my string. I was using a base class method because padded:
>>>to: with: also didn't work if to: was greater than the string length.
>>>I must be reading these completely wrong somehow. Can someone restore
>>>my confidence please.
>>>
>>> 
>>>
>>>Bob
>>>
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>>
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>>
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