Hi Laurent:

I'm not sure what the definition of a "kernel panic" is. My system Finder 
becomes unresponsive. A/V streams stop displaying video but continue to play 
audio and my MacRuby app continues to run to completion.

I have a busy CPU running a DisplayLink USB monitor connection and I suspect 
the DisplayLink driver could be involved if it doesn't get enough CPU 
resources. I will test it again with a newer DisplayLink driver and with the 
USB monitor connection. But it seems that MacRuby runs at a high priority since 
I can't reproduce the problem when I run the CPU up to 100% with other 
applications.

Thanks,
Bob Rice


On Nov 6, 2010, at 10:23 PM, Laurent Sansonetti wrote:

> Hi Robert,
> 
> What do you mean by making the system crash? Does a kernel panic happen, or 
> does the system just become unusable?
> 
> If a kernel panic happen, or if any core service segfaults because of your 
> app, then you should report this via http://bugreporter.apple.com as others 
> indicated. If the system becomes unusable your app is probably using too much 
> resources. You should profile it using Shark (or Instruments) and see what's 
> going on. Feel free to upload the profile somewhere if you want us to have a 
> look.
> 
> Laurent
> 
> On Nov 6, 2010, at 4:19 PM, Robert Rice wrote:
> 
>> I determined that my system crash was not due to an endless loop - rather 
>> due to a very inefficient algorithm. MacRuby seems to run at such a high 
>> priority that it can cause the system to crash - especially if a streaming 
>> video is running.
>> 
>> Can I lower the priority of my MacRuby application?
>> 
>> Thanks,
>> Bob Rice
>> 
>> _______________________________________________
>> MacRuby-devel mailing list
>> MacRuby-devel@lists.macosforge.org
>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
> 
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