VirtualBox 4.0.8 released
Posted on 18 May 2011.
VirtualBox enables desktop or laptop computers to run multiple operating systems simultaneously, and supports a variety of host operating systems, including Windows, Mac OS X, most popular flavors of Linux (including Oracle Linux), and Oracle Solaris.


The following items were fixed and/or added in this version:
  • Mac OS X hosts: fixed incompatibility with recent Mac OS X versions in 64-bit mode
  • Mac OS X hosts: fixed incompatibility with hosts with more than 16 cores
  • Mac OS X hosts: fixed painting corruptions on a second monitor in 64-bit mode
  • GUI: restored functionality to set an empty host key to disallow any host key combination
  • VBoxManage: added controlvm screenshotpng subcommand for saving the screenshot of a running VM in PNG format
  • VBoxHeadless: fixed potential crash during shutdown (Windows hosts only)
  • NAT: built-in services use the correct Ethernet addresses in Ethernet header and in ARP requests
  • Host-only networking: fixed adapter reference counting
  • E1000: fixed rare guest crashes with Linux SMP guests
  • SATA: fixed guest disk corruption under rare circumstances (only relevant for guests with more than 2GB RAM
  • Storage: fixed data corruption after a snapshot was taken with asynchronous I/O enabled
  • Floppy: several improvement
  • HPET: another fix for time jumps
  • USB: removed assumption that string descriptors are null-terminated (Windows hosts only)
  • 3D support: fixed a potential crash when resizing the guest window
  • 3D support: fixed GNOME 3 rendering under Ubuntu 11.04 and Fedora 15
  • Snapshots: fixed another bug which could lose entries in the media registry when restoring a snapshot
  • Shared Folders: don't stop mounting the other valid folders if one host folder is inaccessible
  • Linux Additions: check whether gcc and make are installed before building kernel modules
  • Solaris Additions: added support for X.Org Server 1.10
  • Guest Additions: fixed inappropriate Guest Additions update notification when using vendor-specific version suffixes.





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