VirtualBox 4.1 Beta 2 released

Postings relating to old VirtualBox pre-releases

VirtualBox 4.1 Beta 2 released

Postby frank » 8. Jul 2011, 17:39

Please do NOT use this VirtualBox Beta release on production machines. A VirtualBox Beta release should be considered a bleeding-edge release meant for early evaluation and testing purposes.

You can download the binaries here.

Please do NOT open bug reports at but use our VirtualBox Beta Feedback forum to report any problems with the Beta. Please concentrate on reporting regressions since VirtualBox 4.0.10 / VirtualBox 4.1 Beta 1.

The following items were fixed / added since the VirtualBox 4.1 Beta 1:
  • VMM: fixed a Beta 1 regression which prevented certain guests from booting
  • VMM: better out-of-memory error reporting under certain circumstances
  • GUI: display CPU cap in the VM details page
  • WDDM: serveral fixes
  • Storage: fixed possible data corruption under certain circumstances with VHD and Parallels images
  • Storage: introduced non-rotational flag for hard disks for optimizing the performance with modern guests (e.g. Windows 7 will not automatically defrag the disk)
  • Floppy: make unmounting a host floppy disk work
  • Guest control execution: fixed documentation + syntax diagram.
  • Solaris hosts: Host-only/Bridged networking fixes
  • Solaris guests: fixed automounting of shared folders
  • Linux installer: fixed compilation of the vboxpci module if DKMS is not installed
  • Windows Installer: fixed automated VBox Python API installation.
  • Windows hosts: fixed a BSOD in the new USB code under certain circumstances
  • Windows hosts: use Qt 4.7.3 including Oracle certificate
  • Experimental support for PCI passthrough (Linux hosts only)
  • Sources: fixed USB 2.0 support for non-official builds
  • Documentation fixes
Oracle Corporation
Posts: 3362
Joined: 7. Jun 2007, 09:11
Location: Dresden, Germany
Primary OS: Debian Sid
VBox Version: PUEL
Guest OSses: Linux, Windows

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