VirtualBox mount vboxsf mounting failed with the error No such device

Question

I m using VirtualBox with OS X as host and CentOS on the guest VM   In OS X I created folder myfolder  added it as shared folder to the VM  turned on the VM  in CentOS created folder  home user myfolder and typing   sudo mount -t vboxsf myfolder  home user myfolder   and have output    sbin mount vboxsf  mounting failed with the error  No such device   What I m doing wrong   UPDATED   Guest Additions installed

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My shared folder clipboard stopped to work for some reason  probably due to a patch installation on my virtual machine    sudo mount -t vboxsf Shared Folder   SF   Gave following result   VirtualBox  mount vboxsf  mounting failed with the error  No such device  The solution for me was to stop vboxadd and do a setup after that   cd  opt VBoxGuestAdditions-  init   sudo   vboxadd setup

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The solution for me was to update guest additions   click Devices -  Insert Guest Additions CD image

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I am running VirtualBox 5 1 20  and had a similar issue   Here is a url to where I found the fix  and the fix I implemented     https   dsin wordpress com 2016 08 17 ubuntu-wrong-fs-type-bad-option-bad-superblock  if    5 1 20        VBOXVER      then   rm  sbin mount vboxsf   ln -s  usr lib VBoxGuestAdditions mount vboxsf  sbin mount vboxsf fi   The link had something similar to  usr lib VBoxGuestAdditions other mount vboxsf  rather than what I have in the script excerpt   For a build script I use in vagrant for the additions   https   github com rburkholder vagrant blob master scripts additions sh  Seems to be a fix at https   www virtualbox org ticket 16670

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I have similar issue  check header if it s not match then run below command  CentOS  sudo yum update  amp  amp  sudo yum -y install kernel-headers kernel-devel

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An update did the trick for me      vagrant box update   vagrant plugin install vagrant-vbguest

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Had the same issue with VirtualBox 5 0 16 rXXX  Installed latest VirtualBox 5 0 18 and installed latest Vagrant 1 9 3  issue went toodles

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I added as root user   etc rc d rc local   root mount-vboxsf sh   then   chmod  x  etc rc d rc local   and the sample script  root mount-vboxsf sh  set your own the uid and gid options   modprobe -a vboxguest vboxsf vboxvideo mount -t vboxsf NAME SHARED DIRECTORY  media sf NAME SHARED DIRECTORY -o rw uid 0 gid 0   you need add   chmod    root mount-vboxsf sh

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This was resolved by   yum install gcc kernel-devel make   workaround is here  https   gist github com larsar 1687725

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I am able to resolved this by running below commmand  modprobe -a vboxguest vboxsf vboxvideo

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Okay everyone is missing a basic fact   mkdir  test  - Makes sub directory in current directory   sudo mkdir  test - Make directory in Root   So if your shared directory name is shared and you do the following   mkdir  test sudo mount -t vboxsf shared  test   It generates this error   sbin mount vboxsf  mounting failed with the error  No such file or directory   Because the directory is in the wrong place  Yes that s what this error is saying  The error is not saying reload the VBOX guest options   But if you do this   sudo mkdir   test sudo mount -t vboxsf shared   test   Then it works fine   It really amazes me how many people suggest reloading the Vbox guest additions to solve this error or writing a complex program to solve a directory created in the wrong place

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nbsp  nbsp  nbsp  There can be errors incorrect approach in two scenarios  Check both of it and figure it out   SCENARIO 1          nbsp      nbsp      nbsp   Once you are running the VBoxLinuxAdditions run or VBoxSolarisAdditions pkg or VBoxWindowsAdditions exe   check if all the modules are getting installed properly   1 1 a  In case of VBoxLinuxAdditions  if  Building the VirtualBox Guest Additions kernel modules gets failed   check the log file in  var log vboxadd-install log   If the error is due to kernel version update your kernel and reboot the vm  In case of fedora    1 1 b  yum update kernel   1 1 c  reboot  1 2  If nothing gets failed  then all is fine  You are already having the expected kernel version  SCENARIO 2      nbsp      nbsp      nbsp If the VBoxGuestAdditions is installed  check for a folder  opt VBoxGuestAdditions-  is present        represents version  you need to start it before mounting   2 1  cd  opt VBoxGuestAdditions-  init  amp  amp    vboxadd start   nbsp      nbsp      nbsp  You need to specify the user id and group id of your vm user as options to the mount command  2 2 a  Getting uid and gid of a user    nbsp  nbsp  nbsp  nbsp  nbsp  id -u  lt  user     nbsp  nbsp  nbsp  nbsp  nbsp  id -g  lt  user    2 2 b  Setting uid and gid in options of mount command    nbsp  nbsp  nbsp  nbsp  nbsp  mount -t vboxsf -o uid x gid x  nbsp  nbsp  shared folder name  nbsp  nbsp  guest folder

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I also had a working system that suddenly stopped working with the described error   After furtling around in my  lib modules it would appear that the vboxvfs module is no more  Instead modprobe vboxsf was the required incantation to get things restarted   Not sure when that change ocurred  but it caught me out

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My host is Windows10 my VM guest is ubuntu build by vagrant  This worked for me    vagrant plugin install vagrant-winnfsd

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You re using share folders  so you need to install VirtualBox Guest Additions inside your virtual machine to support that feature   Vagrant  If you re using Vagrant  OS X  brew cask install vagrant   run   vagrant plugin install vagrant-vbguest vagrant vbguest   In case it fails  check the logs  e g   vagrant ssh -c  cat  var log vboxadd-install log    Maybe you re just missing the kernel header files   VM  Inside VM  you should install Guest Additions  kernel headers and start the service and double check if kernel extension is running   This depends on the guest operating system  so here are brief steps    Install kernel include headers  required by VBoxLinuxAdditions     RHEL  sudo apt-get update  amp  amp  sudo apt-get install kernel-devel CentOS  sudo yum update  amp  amp  sudo yum -y install kernel-headers kernel-devel  Install Guest Additions  this depends on the operating system     Ubuntu  sudo apt-get -y install dkms build-essential linux-headers-  uname -r  virtualbox-guest-additions-iso  If you can t find it  check by aptitude search virtualbox  Debian  sudo apt-get -y install build-essential module-assistant virtualbox-ose-guest-utils  If you can t find it  check by dpkg -l   grep virtualbox  manually by downloading the iso file inside VM  e g  wget  and installing it  e g    wget http   download virtualbox org virtualbox 5 0 16 VBoxGuestAdditions 5 0 16 iso -P  tmp sudo mount -o loop  tmp VBoxGuestAdditions 5 0 16 iso  mnt sudo sh -x  mnt VBoxLinuxAdditions run   --keep  Extra debug  cd   install  amp  amp  sh -x   install sh  mnt VBoxLinuxAdditions run   Double check that kernel extensions are up and running    sudo modprobe vboxsf  Start restart the service    manually  sudo  opt VBoxGuestAdditions  init vboxadd setup  add sudo sh -x to debug  Debian  sudo  etc init d vboxadd-service start Fedora  sudo  etc init d vboxdrv setup CentOS  sudo service VBoxService start    Building the main Guest Additions module  If above didn t work  here are more sophisticated steps to fix it  This assumes that you ve already VBoxGuestAdditions installed  as shown above    The most common reason why mounting shared folder doesn t work may related to building Guest Additions module which failed  If in  var log vboxadd-install log you ve the following error      The headers for the current running kernel were not found    this means either you didn t install kernel sources  or they cannot be found   If you installed them already as instructed above  run this command     sudo sh -x  opt VBoxGuestAdditions-5 0 16 init vboxadd setup 2 gt  amp 1   grep KERN   KERN VER 2 6 32-573 18 1 el6 x86 64   KERN DIR  lib modules 2 6 32-573 18 1 el6 x86 64 build   So basically vboxadd script is expecting your kernel sources to be available at the following dir   ls -la  lib modules   uname -r  build   Check if the kernel dir exists  symbolic link points to the existing folder   If it s not  please install them to the right folder  e g  in  usr src kernels    So vboxadd script can enter your kernel source directory and run make kernelrelease  get the value and compare with your current kernel version   Here is the logic   KERN VER  uname -r  KERN DIR   lib modules  KERN VER build  if   -d   KERN DIR     then     KERN REL  make -sC  KERN DIR --no-print-directory kernelrelease 2 gt  dev null    true      if   -z   KERN REL  -o  x KERN REL     x KERN VER     then         return 0     fi fi   If the kernel version doesn t match with the sources  maybe you ve to upgrade your Linux kernel  in case the sources are newer than your kernel    CentOS  Try   vagrant plugin install vagrant-vbguest vagrant vbgues   If won t work  try the following manual steps for CentOS     sudo yum update   sudo yum install kernel-  uname -r  kernel-devel kernel-headers   or  reinstall   rpm -qf  lib modules   uname -r  build kernel-2 6 32-573 18 1 el6 x86 64   ls -la  lib modules   uname -r  build   sudo reboot   and re-login   sudo ln -sv  usr src kernels   uname -r   lib modules   uname -r  build   sudo  opt VBoxGuestAdditions-  init vboxadd setup

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If you re on Debian   1  remove all installed package through Virtualbox Guest Additions ISO file   sh  media cdrom VBoxLinuxAdditions run uninstall  2  install Virtualbox packages   apt-get install build-essential module-assistant virtualbox-guest-dkms virtualbox-guest-utils  Note that even with modprobe vboxsf returning nothing  so the module is correctly loaded   the vboxsf so will call an executable named mount vboxsf  which is provided by virtualbox-guest-utils  Ignoring this one will prevent you from understanding the real cause of the error   strace mount  your-directory was a great help  No such file or directory on  sbin mount vboxsf

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Below two commands works for me   vagrant ssh sudo mount -t vboxsf -o uid 1000 gid 1000 vagrant  vagrant

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For me  on a mac  it turned out I had an old VirtualBox image stored on my machine that didn t have metadata  so it wasn t being updated to the latest version   That old image had an older version of the vbguest plugin installed in it  which the newer vbguest plugin on my machine couldn t work with   So to fix it  I just removed the image that my Vagrant was based on  and then Vagrant downloaded the newer version and it worked fine      Remove an old version of the virtual box image that my vagrant was using       vagrant box remove centos 7    You can find out which boxes you have cached on your machine by running     vagrant box list   I had also upgraded my vbguest plugin in my earlier attempts at getting this to work  using the following process  but I don t think this helped  FYI      Get rid of old plugins vagrant plugin expunge     Globally install the latest version of the vbguest plugin  vagrant plugin install vagrant-vbguest    If you find bring the box fails on guest addtions   you can try doing the following to ensure the plugins install correctly  This downloads the latest based image for your system  for me CentOS   and may resolve the issue  it did for me      vagrant box update

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In addition to  Mats answer  I m adding some more info  it helped me on Debian 8    My shared folder clipboard stopped to work for some reason  probably due to a patch installation on my virtual machine    sudo mount -t vboxsf Shared Folder   SF    Gave me following result   VirtualBox  mount vboxsf  mounting failed with the error  No such device   The solution for me was to stop vboxadd and do a setup after that   cd  opt VBoxGuestAdditions-  init  sudo   vboxadd setup   At this point  if you still get the following error      No such device  The Guest Additions installation may have failed  The error has been logged in  var log vboxadd-install log   You need to install linux headers   apt-get install linux-headers-  uname -r    then you can install Guest Additions   sh  media cdrom VBoxLinuxAdditions run --nox11   and restart your Linux by   reboot   then you will be able to mount your shared folder   mount -t vboxsf Shared Folder   SF    More informations  in French   check this page

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This was the only solution what worked for me   Install Vagrant plugin  vagrant-vbguest  which can keep your VirtualBox Guest Additions up to date   vagrant plugin install vagrant-vbguest   Source  https   github com aidanns vagrant-reload issues 4 issuecomment-230134083

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On Ubuntu this worked   sudo apt-get install build-essential linux-headers- uname -r  dkms

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Shared folder was earlier working for me but all f sudden it stopped working  Virualbox - host was Windows 7  Guest was OpenSuSe   modprobe -a vboxguest vboxsf vboxvideo  then  mount -t vboxsf testsf  opt tsf   testsf was the folder in Windows C drive which was added in Virtualbox shared folder --- and  opt tsf is the folder in OpenSuse

[macos] VirtualBox: mount.vboxsf: mounting failed with the error: No such device

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