twisted.spread.pb.RemoteError: SIGKILL failed to kill process
/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py:1068 in _inlineCallbacks
1067            if isFailure:
1068                result = result.throwExceptionIntoGenerator(g)
1069            else:
/opt/csw/lib/python2.7/site-packages/twisted/python/failure.py:389 in throwExceptionIntoGenerator
388        """
389        return g.throw(self.type, self.value, self.tb)
390
/opt/csw/lib/python2.7/site-packages/buildbot/steps/source/git.py:205 in full
204        elif self.method == 'fresh':
205            yield self.fresh()
206        else:
/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py:1068 in _inlineCallbacks
1067            if isFailure:
1068                result = result.throwExceptionIntoGenerator(g)
1069            else:
/opt/csw/lib/python2.7/site-packages/twisted/python/failure.py:389 in throwExceptionIntoGenerator
388        """
389        return g.throw(self.type, self.value, self.tb)
390
/opt/csw/lib/python2.7/site-packages/buildbot/steps/source/git.py:249 in fresh
248        else:
249            yield self._doClobber()
250            yield self._fullCloneOrFallback()
/opt/csw/lib/python2.7/site-packages/twisted/internet/defer.py:1068 in _inlineCallbacks
1067            if isFailure:
1068                result = result.throwExceptionIntoGenerator(g)
1069            else:
/opt/csw/lib/python2.7/site-packages/twisted/spread/pb.py:470 in throwExceptionIntoGenerator
469        """
470        return g.throw(RemoteError(self.type, self.value, self.traceback))
471
/opt/csw/lib/python2.7/site-packages/buildbot/process/buildstep.py:578 in runCommand
577        try:
578            res = yield command.run(self, self.remote)
579        finally:
twisted.spread.pb.RemoteError: SIGKILL failed to kill process