Changelog

VirtualBox 3.0.2 (released 2009-07-10)

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

• VMM: fixed network regressions (guest hangs during network IO) (bug #4343)
• VMM: guest SMP performance improvements
• VMM: fixed hangs and poor performance with Kaspersky Internet Security (VT-x/AMD-V only; bug #1778)
• VMM: fixed crashes when executing certain Linux guests (software virtualization only; bugs #2696 & #3868)
• ACPI: fixed Windows 2000 kernel hangs with IO-APIC enabled (bug #4348)
• APIC: fixed high idle load for certain Linux guests (3.0 regression)
• BIOS: properly handle Ctrl-Alt-Del in real mode
• iSCSI: fixed configuration parsing (bug #4236)
• OVF: fix potential confusion when exporting networks
• OVF: compatibility fix (bug #4452)
• NAT: fixed crashes under certain circumstances (bug #4330)
• 3D support: fixed dynamic linking on Solaris/OpenSolaris guests (bug #4399)
• 3D support: fixed incorrect context/window tracking for multithreaded apps
• Shared Folders: fixed loading from saved state (bug #1595)
• Shared Folders: host file permissions set to 0400 with Windows guest (bug #4381)
• X11 host and guest clipboard: fixed a number of issues, including bug #4380 and #4344
• X11 Additions: fixed some issues with seamless windows in X11 guests (bug #3727)
• Windows Additions: added VBoxServiceNT for NT4 guests (for time synchronization and guest properties)
• Windows Additions: fixed version lookup
• Linux hosts: workaround for buggy graphics drivers showing a black VM window on recent distributions (bug #4335)
• Linux hosts: fixed typo in kernel module startup script (bug #4388)
• Installer: support Pardus Linux
• Solaris hosts: several installer fixes
• Solaris host: fixed a preemption issue causing VMs to never start on Solaris 10 (bug #4328).
• Solaris guest: fixed mouse integration for OpenSolaris 2009.06 (bug #4365)
• Windows hosts: fixed high CPU usage after resuming the host (bug #2978)
• OVF: accept ovf:/disk/ specifiers with a single slash in addition to ovf://disk/ (bug #4452)
• Fixed a settings file conversion bug which sometimes caused hardware acceleration to be enabled for virtual machines that had no explicit configuration in the XML.

VirtualBox 3.0.0 (released 2009-06-30)

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

• Guest SMP with up to 32 virtual CPUs (VT-x and AMD-V only; see chapter 3.7.2.2 of the ​user manual)
• Windows guests: ability to use Direct3D 8/9 applications / games (experimental; see chapter 4.8 of the ​user manual)
• Support for OpenGL 2.0 for Windows, Linux and Solaris guests

In addition, the following items were fixed and/or added:

• Solaris hosts: allow suspend/resume on the host when a VM is running (bug #3826)
• Solaris hosts: loosen the restriction for contiguous physical memory under certain conditions
• Mac OS X hosts: fixed guest PAE
• Linux hosts: kernel module compile fixes for 2.6.31 (bug #4264)
• VMM: fixed occasional guru meditation when loading a saved state (VT-x only)
• VMM: eliminated IO-APIC overhead with 32 bits guests (VT-x only, some Intel CPUs don’t support this feature (most do); bug #638)
• VMM: fixed 64 bits CentOS guest hangs during early boot (AMD-V only; bug #3927)
• VMM: performance improvements for certain PAE guests (e.g. Linux 2.6.29+ kernels)
• VMM: some Windows guests detected a completely wrong CPU frequency (bug #2227)
• VMM: fixed hanging and unkillable VM processes (bug #4040)
• VMM: fixed random infrequent guest crashes due to XMM state corruption (Win64 hosts only)
• VMM: performance improvements for network I/O (VT-x/AMD-V only)
• GUI: added mini toolbar for fullscreen and seamless mode (Thanks to Huihong Luo)
• GUI: redesigned settings dialogs
• GUI: allow to create/remove more than one host-only network adapters (non Windows hosts)
• GUI: display estimated time for long running operations (e.g. OVF import/export)
• GUI: fixed rare hangs when open the OVF import/export wizards (bug #4157)
• 3D support: fixed VM crashes for client applications using incorrect OpenGL states
• 3D support: fixed memory corruption when querying for supported texture compression formats
• 3D support: fixed incorrect rendering of glDrawRangeElements
• 3D support: fixed memory leak when using VBOs
• 3D support: fixed glew library detection
• 3D support: fixed random textures corruption
• VRDP: support Windows 7 RDP client
• Networking: fixed another problem with TX checksum offloading with Linux kernels up to version 2.6.18
• NAT: fixed “open ports on virtual router 10.0.2.2 - 513, 514” (forum)
• NAT: allow to configure socket and internal parameters
• NAT: allow to bind sockets to specific interface
• PXE boot: significant performance increase (VT-x/AMD-V only)
• VHD: properly write empty sectors when cloning of VHD images (bug #4080)
• VHD: fixed crash when discarding snapshots of a VHD image
• VHD: fixed access beyond the block bitmap which could lead to arbitrary crashes
• VBoxManage: fixed incorrect partition table processing when creating VMDK files giving raw partition access (bug #3510)
• VBoxManage: support cloning to existing image file
• OVF: several OVF 1.0 compatibility fixes
• OVF: fixed exporting of disk images when multiple virtual machines are exported at once
• Virtual mouse device: eliminated micro-movements of the virtual mouse which were confusing some applications (bug #3782)
• Shared Folders: sometimes a file was created using the wrong permissions (2.2.0 regression; bug #3785)
• Shared Folders: allow to change file attributes from Linux guests and use the correct file mode when creating files
• Shared Folders: some content was incorrectly written under certain conditions (bug #1187)
• Shared Folders: fixed incorrect file timestamps, when using Windows guest on a Linux host (bug #3404)
• X11 clipboard: fix duplicate end of lines (bug #4270)
• X11 guests: a number of shared clipboard fixes
• Linux guests: Guest Additions support for SUSE Linux Enterprise Desktop 11
• Linux guests: new daemon vboxadd-service to handle time synchronization and guest property lookup
• Linux guests: implemented guest properties (OS info, logged in users, basic network information)
• Windows host installer: VirtualBox Python API can now be installed automatically (requires Python and Win32 Extensions installed)
• USB: Support for high-speed isochronous endpoints has been added. In addition, read-ahead buffering is performed for input endpoints (currently Linux hosts only). This should allow additional devices to work, notably webcams (bug #242).
• USB: fixed error handling for some USB dongles
• Web service: fixed inability to handle NULL pointers for object arguments, which are valid values for a lot of APIs, in both the raw and the object-oriented web service.
• Web service: object-oriented bindings for JAX-WS did not exhibit interface inheritance correctly, fixed
• Web service: added support for IDisplay and IGuest interfaces, which were previously unavailable
• Registration dialog uses Sun Online accounts now

For the changelog of previous VirtualBox series, have a look at

• VirtualBox 2.2
• VirtualBox 2.1
• VirtualBox 2.0
• VirtualBox 1.6