VirtualBox 3.1.8 (released 2010-05-10)
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VirtualBox 3.1.8 (released 2010-05-10)
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VirtualBox 3.1.8 (released 2010-05-10)

about VirtualBox
VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

Some of the features of VirtualBox are:

* Modularity. VirtualBox has an extremely modular design with well-defined internal programming interfaces and a client/server design. This makes it easy to control it from several interfaces at once: for example, you can start a virtual machine in a typical virtual machine GUI and then control that machine from the command line, or possibly remotely. VirtualBox also comes with a full Software Development Kit: even though it is Open Source Software, you don't have to hack the source to write a new interface for VirtualBox.

* Virtual machine descriptions in XML. The configuration settings of virtual machines are stored entirely in XML and are independent of the local machines. Virtual machine definitions can therefore easily be ported to other computers.

* Guest Additions for Windows, Linux and Solaris. VirtualBox has special software that can be installed inside Windows, Linux and Solaris virtual machines to improve performance and make integration much more seamless. Among the features provided by these Guest Additions are mouse pointer integration and arbitrary screen solutions (e.g. by resizing the guest window). There are also guest additions for OS/2 with somewhat reduced functionality.

* Shared folders. Like many other virtualization solutions, for easy data exchange between hosts and guests, VirtualBox allows for declaring certain host directories as "shared folders", which can then be accessed from within virtual machines.

VirtualBox 3.1.8 (released 2010-05-10)

This is a maintenance release. The following items were fixed and/or added:

* VMM: fixed crash with the OpenSUSE 11.3 milestone kernel during early boot (software virtualization only; bug #5457)
* VMM: fixed invalid state during teleportation
* VMM: fixed OS/2 guest crash with nested paging enabled
* VMM: fixed massive display performance loss (AMD-V with nested paging only)
* GUI: fixed off-by-one bug when passing absolute mouse coordinates to the guest (3.1.6 regression)
* GUI: show the real version of the Guest Additions, not the interface version
* GUI: when adding a DVD or floppy slot in the VM mass storage settings dialog, don't attach a random medium but just leave the slot empty
* GUI: added --seamless and --fullscreen command line switches (bug #4220)
* GUI: fixed a SEGFAULT under rare circumstances
* 2D Video acceleration: fixed display issues when working with non 32-bit modes (bugs #6094 & #6208)
* LsiLogic: Fixed detection of hard disks attached to port 0 when using the drivers from LSI
* ATA: Fixed sporadic crash with Linux guests when having a hard disk and DVD drive on the same channel (bug #6079)
* Network: allow to start a VM even if not all network adapters are attached
* Network: promiscuous mode support for e1000 and simparavirtualized adapters (bug #6519)
* NAT: fixed ICMP latency (non-Windows hosts only; bug #6427)
* SCSI: fixed guest crashes under certain circumstances when booting from SCSI devices
* VBoxManage: fixed modifyvm --natnet default
* Solaris Hosts: fixed a kernel panic when bridged networking might fail to initialize
* Solaris Hosts: fixed priority tagged VLAN packets in bridged networking
* Shared folders: fixed issue with copying read-only files (Linux guests only; bug #4890)
* Shared folders: renamed the guest kernel module from vboxvfs to vboxsf to make it load on demand by the Linux kernel. Fixes mounting from /etc/fstab in Ubuntu 10.04
* Shared folders: fixed setuid file permissions (Solaris guests only).
* Shared folders: fixed deleting directories recursively (Solaris guests only; bug #6513)
* Guest Additions: support seamless and dynamic resizing on certain older X11 guests (bug #5840)
* Solaris Additions: fixed OpenGL library dependencies (bug #6435)
* Keyboard/Mouse emulation: fixed handling of simultaneous mouse/keyboard events under certain circumstances (bug #5375)
* Mouse emulation: never switch straight back from Explorer to IntelliMouse mode as it confuses the FreeBSD mouse driver (bug #6488)
* SDK: fixed memory leak in IDisplay::takeScreenShotSlow() (bug #6549)
* 3D support: fixed Final frame of Compiz animation not updated to the screen (Mac OS X only) (bug #4653)
* VRDP: allow to bind to localhost only on Mac OS X (bug #5227)
* Linux hosts: add host USB support for Ubuntu 10.04 and other hosts without the hal daemon or usbfs (bug #6343)
* webservice: more structs and array fixes in PHP bindings (bug #5657)
* Windows hosts: make the bridged networking driver notify dll be correctly unregistred on uninstall (bug #5780)

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