On Tue, 13 Jul 2010, Rob Withers wrote:

> All,
>
> I am running Squeak 4.1 with Squeak4.0.2.exe VM on Windows.  I downloaded it 
> from squeak.org 2 days ago.   I have loaded Cryptography, SSL, and 
> SqueakElib.  I am running SqueakElib as a server.
>
> My first indication of a problem is that the CPU goes to 100% and stays 
> there.  Squeak is uninterruptable with <alt>-.   Windows Task Manager shows 
> tat the problem is with Squeak.
>
> I opened the ProcessBrowser and turned on the CPUWatcher and ran the system. 
> When the problem occurs, after awhile the VM exits having run out of memory. 
> The crash.log says that the CPUWatcher was trying to catchThePig and it was 
> instantiating an Exception but failed due to no memory. (There were 10 or so 
> iterations of instantiating an exception).
>
> So I then went through all the SqueakElib code and made sure all Processes 
> were being created with userBackgroundPriority, so I could interrupt them if 
> they were the problem.  I reran and reproduced the problem of the CPU going 
> to 100%.  It remained uninterruptable.  However, after hitting <alt>-. about 
> 20-30 times, the CPU usage went to 0%.  Squeak remained uninterruptable. 
> After trying to manipulate windows, I started getting the debug window at the 
> bottom of the Squeak window and it said over and over:
>
> WARNING: event buffer overflow
>
> This occurs with mouseMove.
>
> Anyone seen this behavior?  Anyone have any ideas on what is wrong, or what I 
> can do to debug further?  Given the last situation, I am thinking this is NOT 
> a SqueakElib problem.

Is the low space watcher process running? Are you running out of memory? 
How much memory does squeak use when the lockup occurs?


Levente

>
> Thanks,
> Rob
>
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