Using USB Devices in a VirtualBox Guest (Linux Host)
Posted by coldtobi | 15 Oct, 2009, 22:52If you cannot access USB devices from within your virtual box, you should check these points:
- if you have mounted the usbfs
moria:/home/tobi/workspace/osram_leo_bzr# mount
/dev/mapper/sda3_crypt on / type ext3 (rw,errors=remount-ro)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
/dev/sda1 on /boot type xfs (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
usbfs on /proc/bus/usb type usbfs (rw,devgid=123,devmode=0666)
Another indication is, that you "see" the device in the status bar of the Virtual Box window, but you cannot select it as it is greyed out.
To solve this, try to mount the usbfs as root:
mount usbfs -t usbfs /proc/bus/usb/ -o devgid=123,devmode=0666 -o remount
You can also make an entry in your /etc/fstab do auto-mount it on boot-time. Add this line:
none /proc/bus/usb usbfs auto,remount,devmode=0664,devgid=123 0 0
- if you are in the user group
The group id 123 is the group vboxusers. You should check if your user is in this group.
adduser <your-user-name> vboxusers
as root will do the trick. You have to re-login to get your new rights.
- if linux claimed the device
if linux has a driver for the device, you cannot use it natively under windows. To check this, use the VBoxManager and configure your virtual machine. On the USB tab, you can add filters which tells the VBox-kernel-driver to claim the device and reserve it for the machine. You can conveniently plug in your device and use the "add filter from device" option."
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Linux / Debian | Comments (1) | Trackbacks (0)
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William Hickocks : USB
28/10/2009, at 09:34 [ Reply ]
I'm not very advanced in Linux but must say that I had no problems with using any USB device since I switched from Windows platform to Linux. And maybe Your advices could help me if anything wrong would happen.