Sun 已经发布了旗下开源虚拟机软件 VirtualBox 的新版本 2.1.0，其中包含多项重要更新，如更好的 64 位支持、Mac 平台上的硬件虚拟化、3D 加速功能、更易设置的连网功能、VMDK/VHD 支持，等等。

以下为 VirtualBox 2.1.0 的 Changlog，供大家参考：

新特性

• 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 user manual, chapter 1.6, 64-bit guests, page 16)
• Added support for Intel Nehalem virtualization enhancements (EPT and VPID; see user manual, chapter 1.2, Software vs. hardware virtualization (VT-x and AMD-V), page 10))
• Experimental 3D acceleration via OpenGL (see user manual, chapter 4.8, Hardware 3D acceleration (OpenGL), page 66)
• Experimental LsiLogic and BusLogic SCSI controllers (see user manual, chapter 5.1, Hard disk controllers: IDE, SATA (AHCI), SCSI, page 70)
• Full VMDK/VHD support including snapshots (see user manual, chapter 5.2, Disk image files (VDI, VMDK, VHD), page 72)
• 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 Windows)

改进与 Bug 修正

• 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)
• VMM: deactivate VT-x and AMD-V when the host machine goes into suspend mode; reactivate when the host machine resumes (Windows, Mac OS X & Linux hosts; bug #1660)
• VMM: fixed guest hangs when restoring VT-x or AMD-V saved states/snapshots
• VMM: fixed guru meditation when executing a one byte debug instruction (VT-x only; bug #2617)
• VMM: fixed guru meditation for PAE guests on non-PAE hosts (VT-x)
• VMM: disallow mixing of software and hardware virtualization execution in general (bug #2404)
• VMM: fixed black screen when booting OS/2 1.x (AMD-V only)
• GUI: pause running VMs when the host machine goes into suspend mode (Windows & Mac OS X hosts)
• GUI: resume previously paused VMs when the host machine resumes after suspend (Windows & Mac OS X hosts)
• GUI: save the state of running or paused VMs when the host machine’s battery reaches critical level (Windows hosts)
• GUI: properly restore the position of the selector window when running on the compiz window manager
• GUI: properly restore the VM in seamless mode (2.0 regression)
• GUI: warn user about non optimal memory settings
• GUI: structure operating system list according to family and version for improved usability
• GUI: predefined settings for QNX guests
• IDE: improved ATAPI passthrough support
• Networking: added support for up to 8 Ethernet adapters per VM
• Networking: fixed issue where a VM could lose connectivity after a reboot
• iSCSI: allow snapshot/diff creation using local VDI file
• iSCSI: improved interoperability with iSCSI targets
• Graphics: fixed handling of a guest video memory which is not a power of two (bug #2724)
• VBoxManage: fixed bug which prevented setting up the serial port for direct device access.
• VBoxManage: added support for VMDK and VHD image creation
• VBoxManage: added support for image conversion (VDI/VMDK/VHD/RAW)
• Solaris hosts: added IPv6 support between host and guest when using host interface networking
• Mac OS X hosts: added ACPI host power status reporting
• API: redesigned storage model with better generalization
• API: allow attaching a hard disk to more than one VM at a time
• API: added methods to return network configuration information of the host system
• Shared Folders: performance and stability fixes for Windows guests (Microsoft Office Applications)

下载 VirtualBox 2.1.0 for Linux。

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