{"action":"created","issue":{"url":"https://api.github.com/repos/mitchellh/vagrant/issues/3341","labels_url":"https://api.github.com/repos/mitchellh/vagrant/issues/3341/labels{/name}","comments_url":"https://api.github.com/repos/mitchellh/vagrant/issues/3341/comments","events_url":"https://api.github.com/repos/mitchellh/vagrant/issues/3341/events","html_url":"https://github.com/mitchellh/vagrant/issues/3341","id":30297876,"number":3341,"title":"Vagrant can't mount shared folder in VirtualBox 4.3.10","user":{"login":"wsouto","id":357932,"avatar_url":"https://avatars.githubusercontent.com/u/357932?v=3","gravatar_id":"","url":"https://api.github.com/users/wsouto","html_url":"https://github.com/wsouto","followers_url":"https://api.github.com/users/wsouto/followers","following_url":"https://api.github.com/users/wsouto/following{/other_user}","gists_url":"https://api.github.com/users/wsouto/gists{/gist_id}","starred_url":"https://api.github.com/users/wsouto/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wsouto/subscriptions","organizations_url":"https://api.github.com/users/wsouto/orgs","repos_url":"https://api.github.com/users/wsouto/repos","events_url":"https://api.github.com/users/wsouto/events{/privacy}","received_events_url":"https://api.github.com/users/wsouto/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":117,"created_at":"2014-03-27T13:03:34Z","updated_at":"2015-09-15T09:40:53Z","closed_at":"2014-03-28T12:02:02Z","body":"I got VirtualBox updated to 4.3.10 via ppa last night (which I'll downgrade to 4.3.8 and disable this PPA so I can manually control upgrades) and Vagrant is failing to mount shared folder with this new version. The guest additions was upgraded too in an already working VM, I also tried to install it in a new VM with no previous guest additions installed but no success...\r\n\r\n```\r\n$ vagrant up\r\nBringing machine 'default' up with 'virtualbox' provider...\r\n==> default: Clearing any previously set forwarded ports...\r\n==> default: Clearing any previously set network interfaces...\r\n==> default: Preparing network interfaces based on configuration...\r\n    default: Adapter 1: nat\r\n==> default: Forwarding ports...\r\n    default: 80 => 8080 (adapter 1)\r\n    default: 3000 => 3000 (adapter 1)\r\n    default: 5432 => 5432 (adapter 1)\r\n    default: 22 => 2222 (adapter 1)\r\n==> default: Running 'pre-boot' VM customizations...\r\n==> default: Booting VM...\r\n==> default: Waiting for machine to boot. This may take a few minutes...\r\n    default: SSH address: 127.0.0.1:2222\r\n    default: SSH username: vagrant\r\n    default: SSH auth method: private key\r\n    default: Error: Connection timeout. Retrying...\r\n==> default: Machine booted and ready!\r\nGuestAdditions 4.3.10 running --- OK.\r\n==> default: Checking for guest additions in VM...\r\n==> default: Mounting shared folders...\r\n    default: /vagrant => /home/wsouto/Projetos/printo\r\nFailed to mount folders in Linux guest. This is usually because\r\nthe \"vboxsf\" file system is not available. Please verify that\r\nthe guest additions are properly installed in the guest and\r\ncan work properly. The command attempted was:\r\n\r\nmount -t vboxsf -o uid=`id -u vagrant`,gid=`getent group vagrant | cut -d: -f3` /vagrant /vagrant\r\nmount -t vboxsf -o uid=`id -u vagrant`,gid=`id -g vagrant` /vagrant /vagrant\r\n```\r\n\r\n```\r\n$ lsmod\r\nModule                  Size  Used by\r\nvboxsf                 42558  0 \r\nvesafb                 13500  1 \r\nnfsd                  247847  2 \r\nauth_rpcgss            48552  1 nfsd\r\nnfs_acl                12733  1 nfsd\r\nnfs                   156370  0 \r\nmicrocode              18894  0 \r\nlockd                  78549  2 nfs,nfsd\r\nsunrpc                230213  6 nfs,nfsd,auth_rpcgss,lockd,nfs_acl\r\nfscache                55868  1 nfs\r\nvboxguest             219348  2 vboxsf\r\nahci                   25579  2 \r\nlibahci                26619  1 ahci\r\n```\r\n\r\nIt is a problem with VB 4.3.10 for sure, but I'm reporting here to others can know about this issue."},"comment":{"url":"https://api.github.com/repos/mitchellh/vagrant/issues/comments/140338946","html_url":"https://github.com/mitchellh/vagrant/issues/3341#issuecomment-140338946","issue_url":"https://api.github.com/repos/mitchellh/vagrant/issues/3341","id":140338946,"user":{"login":"ltutar","id":7237078,"avatar_url":"https://avatars.githubusercontent.com/u/7237078?v=3","gravatar_id":"","url":"https://api.github.com/users/ltutar","html_url":"https://github.com/ltutar","followers_url":"https://api.github.com/users/ltutar/followers","following_url":"https://api.github.com/users/ltutar/following{/other_user}","gists_url":"https://api.github.com/users/ltutar/gists{/gist_id}","starred_url":"https://api.github.com/users/ltutar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ltutar/subscriptions","organizations_url":"https://api.github.com/users/ltutar/orgs","repos_url":"https://api.github.com/users/ltutar/repos","events_url":"https://api.github.com/users/ltutar/events{/privacy}","received_events_url":"https://api.github.com/users/ltutar/received_events","type":"User","site_admin":false},"created_at":"2015-09-15T09:40:53Z","updated_at":"2015-09-15T09:40:53Z","body":"I have CentOS 6.7 as guest machine and OSX Yosemite as host machine, installing\r\nvagrant plugin install vagrant-vbguest solved my problem\r\nThe plug-in took care of the following:\r\nGuestAdditions versions on your host (5.0.4) and guest (4.3.20) do not match.\r\nInstalling Virtualbox Guest Additions 5.0.4 - guest version is 4.3.20\r\n"}}