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Re: [Chicken-users] chicken hangs and uses 100% cpu (mac os x lion)

From: Kon Lovett
Subject: Re: [Chicken-users] chicken hangs and uses 100% cpu (mac os x lion)
Date: Tue, 13 Sep 2011 18:02:24 -0700

This might be relevant - was for me:

But what is actually the problem would be good to know.

On Sep 13, 2011, at 5:56 PM, Topher Cyll wrote:

> Hey everyone,
> Like a previous poster, I'm having issues with Chicken on Mac OS X
> (although for me the issues are on Lion, not Snow Leopard).
> I started building from MacPorts (4.4.0) and had the same issue as the
> previous poster.  The build succeeds, but trying to run csc or csi
> results in what appears to be an infinite loop (no output and 100% cpu
> usage).
> Since then, I've built from the source releases for: 4.7.0, 4.6.0,
> 4.5.0, 4.4.0, 4.3.0, 4.2.0, 4.1.0, and 4.0.0.  All of them build
> correctly, but when I run "install", the process hangs on
> "chicken-install -update-db" and cpu usage goes to 100% again.
> I've also tried building from HomeBrew (4.7.0) and it also hangs while
> updating the db.
> Am I right that chicken-install is executing code written in chicken?
> I'm not completely positive this is the same problem, but it seems
> likely.
> Also, I'm not sure I did this right, but I tried to do a system trace
> using Instruments (which ships with XCode).  I was hoping for a
> smoking gun, but all I see is this repeated over and over again:
> BSC_sigprocmask
> BSC_sigreturn
> Not sure how to interpret that, although it seems like something
> involving signal handlers might be unhappy?
> Anyone else bumped into this?  I'm happy to try to figure out what's
> going on if anyone has any suggestions.  Is there any way to build a
> debug version of chicken?
> Thanks everyone,
> Topher
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