Hi Tim!
You are correct. After adding the following function definition to
'/usr/lib/python2.6/dist-packages/twisted/internet/base.py', the
problem seems to be gone.
--------------------------------------------------------------------------------
def _handleSigchld(self, signum, frame,
_threadSupport=platform.supportsThreads()):
from twisted.internet.process import reapAllProcesses
if _threadSupport:
self.callFromThread(reapAllProcesses)
else:
self.callLater(0, reapAllProcesses)
--------------------------------------------------------------------------------
Thanks a bunch!
Vjeko
On Fri, Aug 06, 2010 at 04:30:28PM -0400, tim.upthegr...@gatech.edu wrote:
> Hi Vjekoslav,
>
> I had this issue before after doing a fresh install on a Debian sid machine
> using the openflow-1.0 branch.
>
> What I found is, the function _handleSigchld has been moved-around/removed
> from more recent versions of TwistedPython. The fix I found was to go grab
> Twisted 8.0 and install it. I haven't tested the controller in a production
> setup yet, but the source compiles and I can run a simple switch without
> getting any error messages.
>
> Give that a shot and see if it works.
>
> Best of luck,
>
> Tim Upthegrove
> Georgia Institute of Technology
> College of Computing
> (406)-437-1493
>
> ----- "Vjekoslav Brajkovic" <bal...@cs.washington.edu> wrote:
>
> > Hello.
> >
> > After I upgraded my system, I've been having trouble starting NOX.
> > This is the error message:
> >
> > --------------------------------------------------------------------------------
> > 00002|nox|ERR:Cannot change the state of 'python' to INSTALLED:
> > 'python' ran into an error:
> > Unable to construct a Python component:
> > Traceback (most recent call last):
> > File "./nox/coreapps/pyrt/pyoxidereactor.py", line 364, in
> > instance
> > return pyoxidereactor(ctxt)
> > File "./nox/coreapps/pyrt/pyoxidereactor.py", line 133, in
> > __init__
> > signal.signal(signal.SIGCHLD, self._handleSigchld)
> > AttributeError: 'pyoxidereactor' object has no attribute
> > '_handleSigchld'
> > --------------------------------------------------------------------------------
> >
> > Any clues to why this might be happening?
> >
> > Thanks!
> > Vjeko
> >
> > _______________________________________________
> > nox-dev mailing list
> > nox-dev@noxrepo.org
> > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
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