Sun Microsystems VIRTUALBOX VERSION 3.1.0_BETA2 - Manual (Page 194)

12 Change log
• Linux Additions: fixed a driver issue preventing X11 from compiling keymaps
(bug #2793 and #2905)
• X11 Additions: workaround in the mouse driver for a server crash when the
driver is loaded manually (bug #2397)
12.14 Version 2.1.0 (2008-12-17)
This version is a major update. The following major new features were added:
• Support for hardware virtualization (VT-x and AMD-V) on Mac OS X hosts
• Support for 64-bit guests on 32-bit host operating systems (experimental; see
chapter 3.2 , 64-bit guests , page 45 )
• Added support for Intel Nehalem virtualization enhancements (EPT and VPID;
see chapter 3.4.3 , “Acceleration” tab: hardware vs. software virtualization , page
49 )
• Experimental 3D acceleration via OpenGL (see chapter 4.9 , Hardware 3D accel-
eration (OpenGL and Direct3D 8/9) , page 72 )
• Experimental LsiLogic and BusLogic SCSI controllers (see chapter 5.1 , Hard disk
controllers: IDE, SATA (AHCI), SCSI , page 76 )
• Full VMDK/VHD support including snapshots (see chapter 5.2 , Disk image files
(VDI, VMDK, VHD, HDD) , page 79 )
• New NAT engine with significantly better performance, reliability and ICMP echo
(ping) support (bugs #1046, #2438, #2223, #1247)
• New Host Interface Networking implementations for Windows and Linux hosts
with easier setup (replaces TUN/TAP on Linux and manual bridging on Win-
dows)
In addition, the following items were fixed and/or added:
• VMM: significant performance improvements for VT-x (real mode execution)
• VMM: support for hardware breakpoints (VT-x and AMD-V only; bug #477)
• VMM: VGA performance improvements for VT-x and AMD-V
• VMM: Solaris and OpenSolaris guest performance improvements for AMD-V
(Barcelona family CPUs only)
• VMM: fixed guru meditation while running the Dr. Web virus scanner (software
virtualization only; bug #1439)
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