Changes between Version 79 and Version 80 of User_FAQ
- Timestamp:
- May 13, 2008 2:20:29 PM (17 years ago)
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User_FAQ
v79 v80 26 26 Because the guest sees a __virtual__ graphics card, not the host graphics card. The virtual graphics card provides the necessary VESA and VGA features to make the guest operative systems work OK. Additional features, like higher resolutions, is provided by the graphics driver included with the guest additions. More details on how to install guest additions and features of the virtual graphics card can be found in the manual. 27 27 28 * I use !VirtualBox 1.5.0 and one of my VMs has become inaccessible. I get the following error message: '''"Hard disk X is already attached to a machine Y."''' But I'm sure I didn't attach this hard disk to any other VM or anything like that.29 30 Most likely, you have defined one or more shared folders for this VM but later deleted these folders on the host (or made them inaccessible in some other way). This was a known issue of version 1.5.0, but it's been '''fixed with !VirtualBox 1.5.2.''' If you can't upgrade, you can try to re-create the inaccessible shared folders. You may find these shared folders in the .xml file mentioned in the error message -- open it in any text editor, search for the text `<SharedFolder` and then look at the path that immediately follows the text `hostPath=`. Alternatively, open this .xml in any text editor and delete all such !SharedFolder elements.31 32 ''(Fixed with !VirtualBox 1.5.2)''33 34 28 == Linux hosts == 35 36 * '''CD/DVD''' support: !VirtualBox uses hal to detect available CD/DVD/floppy drives. Version 1.5.0 and 1.5.2 requires that the file libhal.so is available. This is a bug, future versions of !VirtualBox will look for libhal.so.1. Until this just install the hal-devel or hal-dev package depending on your distribution.[[BR]]37 ''(Fixed with !VirtualBox 1.5.4)''38 29 39 30 * '''USB on Ubuntu/Gutsy''': Ubuntu removed support for `/proc/bus/usb/*`. We will address this issue in the future. Until this, edit the script `/etc/init.d/mountdevsubfs.sh and activate the four lines around line 40 (Magic to make /proc/bus/usb work). Then execute