Hello all,

     I have installed `VirtualBox-4.1.4' on Slackware-13.37 (kernel 2.6.37).
 I have already installed `VBoxGuestAdditions_4.1.4.iso' and
 `Oracle_VM_VirtualBox_Extension_Pack-4.1.4.vbox-extpack'. Also I have
 created `vboxusers' (gid=215) and added the non-root user to that.

     My problem is that if I start VirtualBox as root, in Windows XP-SP3
 guest I can use USB devices with no problem at all, but I as a normal user
 although the USB device icon is shown in icon tray, it is not visible in
 'My Computer' window.

     Searching the Web and VirtualBox User Manual/FAQ/forum/mailing lists I
 have tested the followings but none of them could fix the problem:

     1 -- Added the following two lines to /etc/fstab and rebooted the
          system: {{{

              none /proc/bus/usb usbfs devgid=215,devmode=0666 0 0
              /sys/bus/usb/drivers /proc/bus/usb usbfs
devgid=215,devmode=0666 0 0
          }}}

     2 -- Added the non-root user to plugdev (gid=83) group and applied the
          following changes to /etc/rc.d/rc.S and rebooted the system: {{{

              --- rc.S.NEW    2012-01-20 18:45:02.101000006 +0330
              +++ rc.S        2011-04-24 00:07:43.000000000 +0430
              @@ -297,7 +297,7 @@
               if grep -wq usbfs /proc/filesystems; then
                 if ! grep -wq usbfs /proc/mounts ; then
                   if ! grep -wq usbfs /etc/fstab; then
              -      /sbin/mount -v usbfs /proc/bus/usb -t usbfs
              +      /sbin/mount -v usbfs /proc/bus/usb -t usbfs -o
devgid=83,devmode=0664
                   else
                     /sbin/mount -v /proc/bus/usb
                   fi
          }}}

     3 -- Changed `/lib/udev/rules.d/10-virtualbox.rules' to
                  `/lib/udev/rules.d/91-virtualbox.rules' and rebooted
          the system.

     Any help would be gratefully appreciated.

     Please let me know if any more information is needed.

     Thanks -Hossein

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