VirtualBox

VirtualBox 4.1.22 is now available for download.This is a maintenance release.What’s new in this release?

VMM: fixed a potential host crash triggered by shutting down a VM when another VM was running
VMM: fixed a potential host crash under a high guest memory pressure
VMM: respect RAM preallocation while restoring saved state.
VMM: fixed handling of task gates if VT-x/AMD-V is disabled
Storage: fixed audio CD passthrough for certain media players
USB: don’t crash if a USB device is plugged or unplugged when saving or loading the VM state
RTC: fixed a potential corruption of CMOS bank 1
Mac OS X hosts: installer fixes for Leopard
Windows Additions: fixed memory leak in VBoxTray
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VirtualBox 4.1.20 is now available for download.This is a maintenance release.What’s new in this release?

VMM: fixed a crash under rare circumstances for VMs running without hardware virtualization
VMM: fixed a code analysis bug for certain displacement instructions for VMs running without hardware virtualization
VMM: fixed an interpretion bug for TPR read instructions under rare conditions
Snapshots: fixed a crash when restoring an old snapshot when powering off a VM
VBoxSVC: be more tolerant against environment variables with strange encodings
VGA: fixed wrong access check which might cause a crash under certain conditions
NAT: final fix for crashes under rare conditions
Virtio-net: fixed the problem with receiving of GSO packets in Windows XP guests causing packet loss in host-to-VM transfers
HPET: several fixes
Clipboard: disable the clipboard by default for new VMs
BIOS: the PCI BIOS was not properly detected with the chipset type set to ICH9
Mac OS X hosts: adaptions to Mountain Lion
Linux Installer: fixes for Gentoo Linux
Linux guests: fixed mouse integration on Fedora 17 guests
Linux Additions: compile fixes for RHEL/CentOS 6.3
Linux Additions: compile fixes for Linux 3.5-rc1 and Linux 3.6-rc1
Solaris host: fixed a guru meditation while allocating large pages
Solaris host: fixed possible kernel panics while freeing memory
Solaris Installer: fixed missing icon for menu and desktop shortcuts
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VirtualBox 4.1.18 is now available for download.This is a maintenance release.What’s new in this release?

VMM: fixed VERR_REM_VIRTUAL_CPU_ERROR under rare conditions after the guest has been reset
VMM: fixed host freezes with 64-bit guests on 32-bit Linux hosts
VRDP: added a workaround for rdesktop clients not properly updating the screen size when minimized
AHCI: fixed a rare bug which can cause a guest memory corruption after the guest storage controler has been reset
NAT: another attempt to fix crashes under rare conditions
Mac OS X hosts: addressed issues running Leopard / Snow Leopard
Linux hosts / Bridged Networking: fixed the problem with device driver unloading on kernels 3.2.18 and newer due to an invalid reference counter
Linux hosts / guests: Linux 3.5-rc1 fixes
Linux Additions: the guest content was sometimes not properly updated
Solaris Additions: installer fix for X.org Server 1.11 and 1.12
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VirtualBox 4.1.16 is now available for download.This is a maintenance release.

VMM: fixed a Guru Meditation VERR_ACCESS_DENIED with certain guests
VMM: fixed a Guru Meditation VERR_PAGE_TABLE_NOT_PRESENT with Ubuntu 32-bit guests with nested paging enabled on AMD CPUs
VMM: preserve segment limits and attributes when switching to unreal mode required for some legacy guests to work properly
VMM: fixed a VM hang after a resume from pause / savestate with SMP guests in rare cases
3D Support: several fixes for the Windows WDDM video driver crash
NAT: fixed a crash on attempt to process ICMP datagram under some circumstances
Host-only Networking: lifted the maximal number of interfaces to 128 on Linux and Mac OS X hosts
EFI: fixed wrong SEC/PEI Core entry point calculation

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VirtualBox 4.1.14 is now available for download.This is a maintenance release.

fixed the problem with packets larger than MTU-4 when PCnet or PRO/1000 was bridged to certain types of adapters on OS X hosts
fixed a segfault under rare circumstances
fixed Windows WDDM video driver crash for SMP guests
Windows Guest Additions, VRDP: fixed occasional text corruption
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VirtualBox 4.1.12 is  now available for download.This is a maintenance release.what’s new in this release?

VMM: fixed VERR_NOT_SUPPORTED and VERR_RAW_MODE_INVALID_SMP guru meditation due to an invalid reschedule to raw mode
VMM: fixed PDMCritSectLeave guru meditation under rare circumstances with SMP guests
VMM: proper Math Fault handling with certain legacy guests
NAT: fixed a socket leak under certain conditions
Storage: better sanity check against reading beyond end-of-file
Audio: fixed a crash in the NUL audio backend
HGCM: fixed a crash during savestate under rare circumstances
VBoxSVC: several locking fixes
VBoxManage: return the correct error code if controlvm savestate failed
Guest Additions: VBoxService should not crash on exit
Windows Additions: set the correct time stamp when a file is closed
Windows Additions: better help if the DirectX backups are not properly installed
Linux Additions: Linux 3.4-rc1 compile fixes
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VirtualBox 4.1.10 is now available for download.This is a maintenance release.

VMM: fixed a potential problem causing to schedule interrupts during SYSEXIT right after STI
VMM: fixed a potential guest memory corruption issue with page fusion
VMM: adjusted the module matching algorithm for page fusion a little, generally resulting in slightly more shared pages
Main: host interfaces no longer have “defaults” for IP address and network mask attributes
Main: don’t depend on a password for certain guest control operations
3D Support: fixed Windows XP hosts support
3D Support: rendering fixes for Linux hosts with NVIDIA graphics

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Oracle’s VirtualBox 4.1.8 is now available for download. This is just a maintenance release. VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.

fixed VERR_MAP_FAILED during savestate under certain circumstances
stop updating the VM status icons when the VM is paused
NAT: increase maximum number of parallel connections making connections with port forwarding more robus
USB: fixed OS/2 boot hang when using recent USB drivers
BIOS: fixed hang at launch of DOS applications generated by Clipper 5.3 (note that hardware virtualization may be required)
Main: don’t crash if a medium is ejected twice
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Oracle’s VirtualBox 4.1.6 is now available for download. This is just a maintenance release. VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.

fixed screen corruption.
fixed rare Windows 7 guest hangs, either at boot time or when reconfiguring the network card in unusual setup.
improved compatibility with ancient Linux kernels .
Linux hosts: fix for 3D support on Fedora 15.
fixed kernel module compilation failure on Redhat Enterprise Linux 4
install the DRI driver correctly on Ubuntu 11.10 guests
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