VirtualBox 2.1.2 (released 2009-01-21) - 模擬器

http://www.virtualbox.org/


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

* USB: improved support for recent Linux hosts
* VMM: fixed guru meditation for PAE guests on non-PAE hosts (AMD-V)
* VMM: fixed guru meditation on Mac OS X hosts when using VT-x
* VMM: allow running up to 1023 VMs on 64-bit hosts (used to be 127)
* VMM: several FreeBSD guest related fixes (bugs #2342, #2341, #2761)
* VMM: fixed guru meditation when installing Suse Enterprise Server 10U2
(VT-x only; bug #3039)
* VMM: fixed guru meditation when booting Novell Netware 4.11 (VT-x only;
bug #2898)
* VMM: fixed VERR_ADDRESS_TOO_BIG error on some Mac OS X systems when
starting a VM
* VMM: clear MSR_K6_EFER_SVME after probing for AMD-V (bug #3058)
* VMM: fixed guru meditation during Windows 7 boot with more than 2 GB
guest RAM (VT-x, nested paging only)
* VMM: fixed hang during OS/2 MCP2 boot (AMD-V and VT-x only)
* VMM: fixed loop during OpenBSD 4.0 boot (VT-x only)
* VMM: fixed random crashes related to FPU/XMM with 64 bits guests on 32
bits hosts
* VMM: fixed occasional XMM state corruption with 64 bits guests
* GUI: raised the RAM limit for new VMs to 75% of the host memory
* GUI: added Windows 7 as operating system type
* VBoxSDL: fixed -fixed fixedmode parameter (bug #3067)
* Clipboard: stability fixes (Linux and Solaris hosts only, bug #2675 and
#3003)
* 3D support: fixed VM crashes for certain guest applications (bugs
#2781, #2797, #2972, #3089)
* LsiLogic: improved support for Windows guests (still experimental)
* VGA: fixed a 2.1.0 regression where guest screen resize events were not
properly handled (bug #2783)
* VGA: significant performance improvements when using VT-x/AMD-V on Mac
OS X hosts
* VGA: better handling for VRAM offset changes (fixes GRUB2 and Dos DOOM
display issues)
* VGA: custom VESA modes with invalid widths are now rounded up to
correct ones (bug #2895)
* IDE: fixed ATAPI passthrough support (Linux hosts only; bug #2795)
* Networking: fixed kernel panics due to NULL pointer dereference in
Linux kernels < 2.6.20 (Linux hosts only; bug #2827)
* Networking: fixed intermittend BSODs when using the new host interface
(Windows hosts only; bugs #2832, #2937, #2929)
* Networking: fixed several issues with displaying hostif NICs in the GUI
(Windows hosts only; bugs 2814, #2842)
* Networking: fixed the issue with displaying hostif NICs without
assigned IP addresses (Linux hosts only; bug #2780)
* Networking: fixed the issue with sent packets coming back to internal
network when using hostif (Linux hosts only; bug #3056).
* NAT: fixed port forwarding (Windows hosts only; bug #2808)
* NAT: fixed booting from the builtin TFTP server (bug #1959)
* NAT: fixed occasional crashes (bug #2709)
* SATA: vendor product data (VPD) is now configurable
* SATA: raw disk partitions were not recognized (2.1.0 regression,
Windows host only, bug #2778)
* SATA: fixed timeouts in the guest when using raw VMDK files (Linux host
only, bug #2796)
* SATA: huge speed up during certain I/O operations like formatting a
drive
* SATA/IDE: fixed possible crash/errors during VM shutdown
* VRDP: fixed loading of libpam.so.1 from the host (Solaris hosts only)
* VRDP: fixed RDP client disconnects
* VRDP: fixed VRDP server misbehavior after a broken client connection
* VBoxManage showvminfo: fixed assertion for running VMs (bug #2773)
* VBoxManage convertfromraw: added parameter checking and made it default
to creating VDI files; fixed and documented format parameter (bug #2776)
* VBoxManage clonehd: fixed garbled output image when creating VDI files
(bug #2813)
* VBoxManage guestproperty: fixed property enumeration (incorrect
parameters/exception)
* VHD: fixed error when attaching certain container files (bug #2768)
* Solaris hosts: added support for serial ports (bug #1849)
* Solaris hosts: fix for Japanese keyboards (bug #2847)
* Solaris hosts: 32-bit and 64-bit versions now available as a single,
unified package
* Linux hosts: don’t depend on libcap1 anymore (bug #2859)
* Linux hosts: compile fixes for 2.6.29-rc1
* Linux hosts: don’t drop any capability if the VM was started by root
(2.1.0 regression)
* Mac OS X hosts: save the state of running or paused VMs when the host
machine’s battery reaches critical level
* Mac OS X hosts: improved window resizing of the VM window
* Mac OS X hosts: added GUI option to disable the dock icon realtime
preview in the GUI to decrease the host CPU load when the guest is doing
3D
* Mac OS X hosts: polished realtime preview dock icon
* Windows Additions: fixed guest property and logging OS type detection
for Windows 2008 and Windows 7 Beta
* Windows Additions: added support for Windows 7 Beta (bugs #2995, #3015)
* Windows Additions: fixed Windows 2000 guest freeze when accessing files
on shared folders (bug #2764)
* Windows Additions: fixed Ctrl-Alt-Del handling when using VBoxGINA
* Windows Additions Installer: Added /extract switch to only extract (not
install) the files to a directory (can be specified with /D=path)
* Linux installer and Additions: added support for the Linux From Scratch
distribution (bug #1587) and recent Gentoo versions (bug #2938)
* Additions: added experimental support for X.Org Server 1.6 RC on Linux
guests
* Linux Additions: fixed bug which prevented to properly set fmode on
mapped shared folders (bug #1776)
* Linux Additions: fixed appending of files on shared folders (bug #1612)
* Linux Additions: ignore noauto option when mounting a shared folder
(bug #2498)
* 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)

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