Issue 5332 in pharo: Pharo freezes after being idle for a while.

Status: New
Owner: ----
Labels: Milestone-1.3 Type-Bug

New issue 5332 by [hidden email]: Pharo freezes after  
being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

I just downloaded the Pharo-1.3-13315-OneClick application for OSX, and  
after being idle for a while it will usually hang displaying the dialogue  
in the attached image.

Attachments:
        Message upon hang.png  26.2 KB


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Comment #1 on issue 5332 by marianopeck: Pharo freezes after being idle for  
a while.
http://code.google.com/p/pharo/issues/detail?id=5332

Hi. Can you easily reproduce it?


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Comment #2 on issue 5332 by [hidden email]: Pharo freezes after  
being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

Thanks for reporting. This is strange because I never saw that one :)


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Comment #3 on issue 5332 by [hidden email]: Pharo freezes  
after being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

Sorry for replying so late, but I couldn't reproduce this across machines  
(Windows, another OSX). Maybe it's just a damaged image.


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Updates:
        Status: Invalid

Comment #4 on issue 5332 by [hidden email]: Pharo freezes after  
being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

good! THen I close the issue.


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Comment #5 on issue 5332 by [hidden email]: Pharo freezes after being  
idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

I'm fairly certain it had to do with CPUWatcher being turned on (which it  
is not by default), but I've been unable to recreate it...
It does guard against flagging the idle process as a hog, but other than  
that, all bets are off.
Seems a bit strange it would think something blocking on a Delay is using  
too much CPU though :)


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Comment #6 on issue 5332 by [hidden email]: Pharo freezes  
after being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

Now it's happened on Windows, too! I was playing around with a fresh image,  
defining some classes et cetera in the system browser, had the memory  
monitor running, and then after a few hours Pharo locked up with just the  
same message as it did on OSX the other day.


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Updates:
        Status: Accepted

Comment #7 on issue 5332 by [hidden email]: Pharo freezes after  
being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

(No comment was entered for this change.)


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Comment #8 on issue 5332 by [hidden email]: Pharo freezes  
after being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

What can I do to help tracking down the problem? Right now the front-end  
just hangs and is completely unresponsive as far as I can tell. On the  
other hand, the memory monitor keeps running. Very strange.


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Comment #9 on issue 5332 by [hidden email]: Pharo freezes after  
being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

First

-> take the latest image. (13325)
       
https://ci.lille.inria.fr/pharo/job/Pharo%201.3/lastSuccessfulBuild/artifact/Pharo-1.3.zip
->use the newest VM. For Mac:
       
https://ci.lille.inria.fr/pharo/view/VM/job/Cog-Mac-Cocoa/lastSuccessfulBuild/artifact/CogVM.zip

Does it happen with these, too?



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Updates:
        Labels: -Milestone-1.3

Comment #10 on issue 5332 by [hidden email]: Pharo freezes after  
being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

Where you be able to reproduce it?

I will recategorize the report to be a general bug (not special for 1.3).


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Comment #11 on issue 5332 by [hidden email]: Pharo freezes  
after being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

Sorry, no luck with reliable reproduction so far, but it seems to happen  
only when the memory monitor is running.


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Updates:
        Status: Invalid

Comment #12 on issue 5332 by [hidden email]: Pharo freezes after  
being idle for a while.
http://code.google.com/p/pharo/issues/detail?id=5332

Memory Monitor is not in 1.4 or 2.0...


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