Hi Paul,

A likely scenario is that you have a process in an endless loop  
(probably the one in ByteString(String)>>encodeOn:). Its stack grows  
and uses more and more memory.

The first thing to try is control-. (or apple-.), which should  
interrupt the current process. If the GUI is still responsive you can  
also open the process browser (in the Tools menu) and try to debug or  
just terminate the offending process.

HTH,
Adrian

On Sep 4, 2009, at 15:56 , Paul DeBruicker wrote:

> Hi -
>
>
> I have done something to my image and don't know how to fix it.  When
> it opens it maximizes one of the processors and allocates a large
> amount of RAM to itself.  When I attempt to run the Debug > Start
> profiling all Processes it crashes the vm after I move the mouse to
> the top of the screen.  When I run
>
> Process allInstancesDo: [ :p | | rules |
>    rules := ProcessBrowser nameAndRulesFor: p.
>    rules second ifTrue: [ p terminate ] "1=name, 2=safe-to-kill,
> 3=safe-to-debug"
> ].
>
> from here: http://wiki.squeak.org/squeak/1799  nothing changes.
>
> Printing 'ProcessBrowser new processList' in a workspace gives:
>
> a WeakArray(a Process in Delay class>>handleTimerEvent a Process in
> SystemDictionary>>lowSpaceWatcher a Process in [] in Delay>>wait a
> Process in WeakArray class>>finalizationProcess a Process in nil a
> Process in ByteString(String)>>encodeOn: a Process in [] in
> BlockClosure>>newProcess)
>
>
> And the VM statistics are:
>
> uptime                        0h8m53s
> memory                        1,055,051,120 bytes
>       old                     1,050,497,028 bytes (99.6%)
>       young           83,708 bytes (0.0%)
>       used            1,050,580,736 bytes (99.6%)
>       free            4,470,384 bytes (0.4%)
> GCs                           4,999 (107ms between GCs)
>       full                    3 totalling 18,400ms (3.0% uptime), avg 6133.0ms
>       incr            4996 totalling 120,999ms (23.0% uptime), avg 24.0ms
>       tenures         112 (avg 44 GCs/tenure)
>
>
> Are there other things I can do to get it back under control or should
> I just save everything in some MC repositories and set up a new image?
> I'm reluctant to do that now because I don't know what I did to
> create the situation I'm in.
>
>
> Thanks for your help
>
> Paul
>
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