Vagrant 1.8.0 and 1.8.1 throws error on rsync folders

In version 1.8.0, 1.8.1 a rsync error occures.

There was an error when attempting to rsync a synced folder. Please inspect the error message below for more info. Host path: /cygdrive/c/ibrams/webroot/merck.magento.current/magento/html/ Guest path: /home/vagrant/www Command: rsync -avzO --delete --chmod=Dug=rwx,o=rx,Fug=rw,o=r --no-owner --no-group --rsync-path sudo rsync -e ssh -p 2222 -o ControlMaster=auto -o ControlPath=C:/cygwin/tmp/ssh.348 -o ControlPersist=10m -o StrictHostKeyChecking=no -o IdentitiesOnly=true -o UserKnownHostsFile=/dev/null -i 'C:/ibrams/webroot/merck.magento.current/magento/.vagrant/machines/default/virtualbox/private_key' --exclude .vagrant/ --exclude .git/ --exclude /media/ --exclude /var/ --exclude app/etc/local.xml /cygdrive/c/ibrams/webroot/merck.magento.current/magento/html/ vagrant@127.0.0.1:/home/vagrant/www Error: Warning: Permanently added '[127.0.0.1]:2222' (ECDSA) to the list of known hosts. mm_receive_fd: no message header process_mux_new_session: failed to receive fd 0 from slave mux_client_request_session: read from master failed: Connection reset by peer Failed to connect to new control master rsync: connection unexpectedly closed (0 bytes received so far) [sender] rsync error: error in rsync protocol data stream (code 12) at io.c(226) [sender=3.1.2]

To fix that you have to patch your vagrant installation manualy.

This fix is for vagrant 1.8.0 and 1.8.1

vagrant -version shows you version

This is the fix:

https://github.com/mitchellh/vagrant/issues/6702

Edit $VAGRANT_HOME\embedded\gems\gems\vagrant-1.8.0\plugins\synced_folders\rsync\helper.rb Remove the following codes (line 77~79): "-o ControlMaster=auto " + "-o ControlPath=#{controlpath} " + "-o ControlPersist=10m " +

at next you can run "vagrant reload" and the error is solved