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Changelog for VirtualBox 2.2
This page lists all changes of the VirtualBox 2.2 releases.
All branches: 4.3 · 4.2 · 4.1 · 4.0 · 3.2 · 3.1 · 3.0 · 2.2 · 2.1 · 2.0 · 1.6

VirtualBox 2.2.4 (released 2009-05-29)

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

Windows Installer: ?xed a potential hang during installation
Windows Installer: ?xed several problems (bug #3892)
Solaris hosts: make it work with Solaris build 114 or later (bug #3981)
Solaris hosts: ?xed a bug serial port character handling found during loopback (bug #3120)
Linux hosts: adapted vboxdrv.sh to the latest changes in VBoxManage list runningvms (bug #4034)
Windows hosts: ?xed a crash caused by host-only/bridged networking
Mac OS X hosts: ?xed access to host DVD with passthrough disabled (bug #4077)
Guest Additions: ?xed problems with KDE 4 not recognizing mouse clicks
Windows Additions: ?xed incorrect 8-bit guest color depth in Windows 7 guests
GUI: warn if VT-x/AMD-V could not be enabled for guests that require this setting (bug #4055)
VMM: ?xed occassional crash due to insuf?ent memory
VMM: ?xed hanging 64 bits Solaris guests
VMM: restore from a saved state occassionally failed (bugs #3984 and #2742)
Clipboard: ?xed a deadlock while shutting down the shared clipboard on X11 hosts (bug #4020)
OVF: ?xed potential hang during import
OVF: ?xed potential crashes during import/export on Win64 hosts
VBoxManage modifyhd --compact: ?xed bug which could lead to crashes and image corruption (bug #3864)
VBoxManage metrics collect: now ?ushes the output stream.
VHD: made VBoxManage internalcommands sethduuid work for .vhd ?les (bug #3443)
VHD: some .vhd ?les could not be cloned (bug #4080)
VMDK: ?xed creating snapshots
NAT: improvement of TCP connection establisment (bug #2987)
NAT: ?xed order of DNS servers in DHCP lease (bug #4091)
NAT: ?xed DHCP lease for multiple name servers (bug #3692)
NAT: ?xed a potential segfault if the host lost its connectivity (bug #3964)
Shared Folders: deny access to parent directories on Windows hosts (bug #4090)
Shared Folders: make rm/rmdir work with Solaris guests on Windows hosts
Networking: ?xed the problem with blocked receiving thread when a broadcast packet arrives too early to be handled by uninitialized e1000 adapter.
Networking: ?xed the problem that caused host freezes/crashes when using bridged mode with host’s interface having RX checksum of?oading on (bug #3926 and related). Fixes problems with TX of?oading as well (bug #3870)
PXE boot: Added support for PRO/1000 MT Server adapter.
Python bindings: ?xed keyword con?ict
SCSI: ?xed occasional crashes on Win64
Serial: allow to redirect the serial port to a raw ?le (bug #1023)
VRDP: ?xed a rare incorrect screen update
VirtualBox 2.2.2 (released 2009-04-27)

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

Host and guest clipboard: ?xed a number of issues affecting hosts and guests running the X window system.
Guest Additions: make sure the virtual mouse autodetection works on ?rst reboot after installing the Additions on X.Org server 1.5 and later.
Guest Additions: properly report process identity number of running services
Guest Additions: clean up properly if the X Window server terminates
Linux Additions: ?xed installation path for OpenGL libraries in some 64-bit guests (bug #3693)
Solaris Additions: ?xed installation to work when X.Org is not installed on the guest
Solaris Additions: ?xed a bug that could panic the guest when unmounting a busy shared folder
Windows Additions: ?xed mouse pointer integration of some Windows guests (2.2.0 regression, bug #3734)
Windows Additions: ?xed installation on Windows Server 2008 Core (bug #2628)
Main: do not try to use older versions of D-Bus (Linux hosts only, bug #3732)
VMM: ?xed out-of-memory conditions on Windows hosts (bug #3657)
VMM: ?xed occasional hangs when attaching USB devices during VM startup (2.2.0 regression; bugs #3787)
VMM: ?xed guru meditation related to memory management (software virtualization only)
Virtual disks: ?x possible data corruption when writing to diff images, incorrect detection of redundant writes
GUI: reworked network settings dialog
GUI: properly show the detailed settings dialog of NAT networks (bug #3702)
GUI: HostKey could not be changed (2.2.0 regression, bug #3689)
GUI: ?xed memory text?eld size (Windows hosts only; bug #3679)
GUI: ?xed crash when selecting a shared folder path (Windows hosts only; bugs #3694, #3751, #3756)
VBoxManage modifyhd --compact: implemented again for VDI ?les, and now supports relative paths (bug #2180, #2833)
VBoxManage snapshot discard: made it work again (2.1.0 regression; bug #3714)
NAT: on some Windows host, the guest didn’t receive a DHCP lease (bug #3655)
NAT: ?xed release assertion during poll() (bug #3667)
Networking: fixed a deadlock caused by the PCnet network device emulation (2.2.0 regression, bug #3676)
Clipboard: ?xed random crahes (X11 hosts only, bug #3723)
Shared Folders: ?xed incorrect permissions for Solaris guests
Shared Folders: ?xed wrong ?le sizes with Solaris guests
CBindings: ?xed possible memory leak while releasing the IVirtualBox and ISession Objects
Solaris hosts: ?xed host-only network interface incompatibility with nwam/dhcpagent (bug #3754)
Windows installer: fixed several install and uninstall issues (bugs #3659, #3686, #1730, #3711, #3373, #3382, #3701, #3685, #3710)
Mac OS X hosts: preliminary support for Snow Leopard
VirtualBox 2.2.0 (released 2009-04-08)

This version is a major update. The following major new features were added:

OVF (Open Virtualization Format) appliance import and export (see chapter 3.8, Importing and exporting virtual machines,  User Manual page 55)
Host-only networking mode (see chapter 6.7, Host-only networking,  User Manual page 88)
Hypervisor optimizations with signi?cant performance gains for high context switching rates
Raised the memory limit for VMs on 64-bit hosts to 16GB
VT-x/AMD-V are enabled by default for newly created virtual machines
USB (OHCI & EHCI) is enabled by default for newly created virtual machines (Qt GUI only)
Experimental USB support for OpenSolaris hosts
Shared folders for Solaris and OpenSolaris guests
OpenGL 3D acceleration for Linux and Solaris guests (see chapter 4.8, Hardware 3D acceleration (OpenGL),  User Manual page 70)
Added C API in addition to C++, Java, Python and Web Services
In addition, the following items were ?xed and/or added:

VMM: FreeBSD guest related ?x for V86 ?ags (bug #2342)
VMM: ?xed guru meditation when booting an AsteriskNow Linux VM (bug #2342)
VMM: ?xed PGMPOOLKIND_FREE guru meditation (bugs #3356, #3431)
VMM: ?xed Windows XP boot hang (guest PAE + nested paging only)
VMM: allow mixing of VT-x/AMD-V and software virtualization
VMM: ?xed extremely slow safe mode booting in e.g. Windows 2008 (VT-x/AMD-V only)
VMM: signi?cant speedup of certain GRUB boot loaders (e.g. Solaris) (VT-x/AMD-V only)
VMM: real-mode IOPL ?x for DOS guests (VT-x only)
VMM: ?xed VT-x detection with certain BIOSes that enable VT-x, but don’t set the lock bit in MSR_IA32_FEATURE_CONTROL
VMM: ?xed hibernation issues on Windows XP hosts (VT-x only; bug #1794)
VMM: properly emulate RDMSR from the TSC MSR, should ?x some NetBSD guests
VMM: emulate RDPMC; ?xes Windows guests crashes when using the Kaspersky virus scanner (bug #1778)
NAT: ?xed truncated downloads (FTP) (bug #3257)
NAT: blocked UDP packets caused a crash (bug #3426)
NAT: allow to con?gure the next server and the boot ?le via VBoxManage (bug #2759)
IDE: ?xed hard disk upgrade from XML-1.2 settings (bug #1518)
Hard disk: support more VMDK ?le variants (including ?xed-size ESX server images)
Hard disks: refuse to start the VM if a disk image is not writable
USB: further reduced host CPU utilization for OHCI and EHCI; the “VBoxInternal/Devices/usb-ohci/0/Con?g/FrameRate” CFG key is no longer necessary and no longer supported
USB: ?xed BSOD on the host with certain USB devices (Windows hosts only; bug #1654)
E1000: properly handle cable disconnects (bug #3421)
VRDP: ?xed hangs when VRDP server is enabled or disabled in runtime
Shared folders: respect umask settings on Linux, OSX and Solaris hosts when creating ?les
X11 guests: prevented setting the locale in vboxmouse, as this caused problems with Turkish locales (bug #3563)
X11 guests: show the guest mouse pointer at the right position if the virtual desktop is larger than the guest resolution (bug #2306)
Linux additions: ?xed typo when detecting Xorg 1.6 (bug #3555)
Solaris guests: added xpg4/xcu4 dependency to the guest additions installer (bug #3524)
Windows guests: bind the VBoxMouse.sys ?lter driver to the correct guest pointing device (bug #1324)
Windows hosts: ?xed BSOD when starting a VM with enabled host interface (bug #3414)
Linux hosts: do proper reference counting to prevent unloading the vboxnet?t module as long as this code is in use (bug #3104)
Linux hosts: do not leave zombies of VBoxSysInfo.sh (bug #3586)
Linux installers: ?xes for Slackware, Arch Linux and Linux from Scratch systems
Windows installers: combined installer executable which contains both (32- and 64-bit) architectures.
VBoxManage: less cryptic command-line error messages
VBoxManage list vms commands now default to compact format
VBoxManage controlvm dvdattach did not work if the image was attached before
VBoxManage: allow creation of all supported disk image variants
VBoxManage showvminfo: don’t spam the release log if the additions don’t support statistics information (bug #3457)
VBoxManage: big command line processing cleanup, the legacy single-dash options are deprecated and will be removed in the next major release, so switch to the new options now
Hard disks: improved immutable disk support to auto-reset diff ?le at VM startup (related to bug #2772)
GUI: enable the audio adapter by default for new VMs
GUI: warn if VT-x/AMD-V is not operational when starting a 64-bit guest
GUI: deactivate 64-bit guest support when the host CPU does not support VT-x/AMD-V
GUI: removed ?oppy icon from the status bar
GUI: show build revision in about dialog
GUI: ?xed sticky status bar text
GUI: improved error dialogs
GUI: fail with an appropriate error message when trying to boot a read-only disk image (bug #1745)
GUI/Mac OS X: ?xed disabled close button
GUI/Windows: re-enabled support for copy and paste (Windows hosts 2.0 regression; bug #2065)
3D support: added OpenGL select/feedback support (bug #2920)
3D support: close OpenGL subsystem for terminated guest applications (bug #3243)
3D support: ?xed VM hangs when starting guests with 3D acceleration enabled (bug #3437)
PXE: ?xed boot hangs when hardware virtualization is used (bug #2536)
LsiLogic: ?xed problems with Solaris guests
Main API: close machine settings XML ?le when unregistering machine (bug #3548)
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