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Version 4.2.8This is a maintenance release. The following items were fixed and/or added: VMM: fixed guest crash with huge amount of guest RAM on VT-x hosts (bug #11306) GUI: fixed a layout bug in the Mac OS X clone VM dialog (bug #10982) GUI: not all the translation tags were taken into account during the language switch (bug#11342) GUI: take-guest-screenshot dialog sometimes had no keyboard input available on Windowshost Main/Machine: fix generation of spurious event for inaccessible VMs which triggered anendless event generation loop in cooperation with the GUI which became unresponsive(4.2.6 regression, bug #11323) Main/Display: fix for an access violation under certain conditions in multi-monitor config-urations (bug #10539) Main/Metrics: network metrics are now collected for active (up) interfaces only, the stateof an interface being evaluated when the associated metric is enabled via setupMetrics Snapshots: reduce the time for merging snapshots under certain conditions Storage: fixed data corruption after resizing a VDI image under certain circumstances (bug#11344) Storage: fixed non working online merging of snapshots (4.2.6 regression, bug #11359) Storage: fixed crash when connecting to certain QNAP iSCSI targets Storage: fixed incompatibility of VHD differencing images with Hyper-V (bug #5990) Bridged Networking: fixed TCP pseudo header checksum computation for IPv6 (bug#9380) 3D support: fix Battlefield 1942 game crashes (bug #11369) Settings: really sanitise the name of VM folders and settings file, the code was disabledbefore (bug #10549) Settings: allow to change VRDE settings for saved VMs VBoxManage: don’t crash during screenshotpng if there is no display (bug #11363) Linux hosts: work around gcc bug 55940 which might lead to wrong kernel module codeif gcc 4.7 is used to compile the 32-bit Linux host kernel (bug #11035) Linux hosts: fixed inconsistent lock state and deadlock warnings on module load and VMstartup when CONFIG_PROVE_LOCKING is enabled (bug #11318) Linux hosts: made “]“ key work again on Japanese keyboards Mac OS X hosts: don’t crash the kernel during dtrace if the VBox kernel extensions areloaded (10.6 hosts only; bug #11273) Solaris / Mac OS X hosts: machine CPU load metrics now report 100% when all cores arefully utilized (used to be a single core) Solaris 11 host installer: wait for any services left over from a previous installation to beterminated to avoid confusing SMF. Guest Additions: don’t block signals for processes executed via guest control Guest Additions: fixed a small memory leak in VBoxService (bug #10970) Windows Additions: fixed shared folder issue with large reads/writes on 64 bit Windowsguests (bug #11115) Linux Additions: added auto-logon support for Linux guests using LightDM as the displaymanager Linux Additions: Linux 3.8 compile fixes (bug #11036) X11 Additions: fixed blocked SIGALRM in 3D desktop sessions (bug #10987) X11 Additions: fixed an unresolved reference in vboxvideo_drv for X.org 6.8 guests andbefore (e.g. RHEL4; 4.2.0 regression) X11 Additions: fixed screen automatic resizing for guests with X.org 1.3 or older (4.2.0regression)15.2 Version 4
Version 4.2.12 (2013-04-12)This is a maintenance release. The following items were fixed and/or added: VMM: fixed a Guru Meditation on putting Linux guest CPU online if nested paging is dis-abled VMM: invalidate TLB entries even for non-present pages GUI: Multi-screen support: fixed a crash on visual-mode change GUI: Multi-screen support: disabled guest-screens should now remain disabled on visual-mode change GUI: Multi-screen support: handle host/guest screen plugging/unplugging in differentvisual-modes GUI: Multi-screen support: seamless mode: fixed a bug when empty seamless screens wererepresented by fullscreen windows GUI: Multi-screen support: each machine window in multi-screen configuration shouldhave correct menu-bar now (Mac OS X hosts) GUI: Multi-screen support: machine window View menu should have correct content inseamless/fullscreen mode now (Mac OS X hosts) GUI: VM manager: vertical scroll-bars should be now updated on content/window resize GUI: VM settings: fixed crash on machine state-change event GUI: don’t show warnings about enabled or disabled mouse integration if the VM wasrestored from a saved state Virtio-net: properly announce that the guest has to handle partial TCP checksums (bug#9380) Storage: Fixed incorrect alignment of VDI images causing disk size changes when usingsnapshots (bug #11597) Audio: fixed broken ALSA & PulseAudio on some Linux hosts due to invalid symbol reso-lution (bug #11615) PS/2 keyboard: re-apply keyboard repeat delay and rate after a VM was restored from asaved state (bug #10933) BIOS: updated DMI processor information table (type 4): corrected L1 & L2 cache tablehandles Timekeeping: fix several issues which can lead to incorrect time, Solaris guests sporadicallyshowed time going briefly back to Jan 1 1970 Main/Metrics: disk metrics are collected properly when software RAID, symbolic links orrootfs are used on Linux hosts VBoxManage: don’t stay paused after a snapshot was created and the VM was runningbefore VBoxManage: introduced controlvm nicpromisc (bug #11423) VBoxManage: don’t crash on controlvm guestmemoryballoon of the VM isn’t running (bug#11639) VBoxHeadless: don’t filter guest property events as this would affect all clients (bug#11644) Guest control: prevent double CR in the output generated by guest commands and do NLSconversion Linux hosts / guests: fixed build errors on Linux 3.5 and newer kernels if the CON-FIG_UIDGID_STRICT_TYPE_CHECKS config option is enabled (bug #11664) Linux Additions: handle fall-back to VESA driver on RedHat-based guests if vboxvideocannot be loaded Linux Additions: RHEL/OEL/CentOS 6.4 compile fix (bug #11586) Linux Additions: Debian Linux kernel 3.2.0-4 (3.2.39) compile fix (bug #11634) Linux Additions: added auto-logon support for Linux guests using LightDM as the displaymanager Windows Additions: Support for multimonitor. Dynamic enable/disable of secondary vir-tual monitors. Support for XPDM/WDDM based guests (bug #6118) X11 Additions: support X.Org Server 1.14 (bug #11609)
This is a maintenance release. The following items were fixed and/or added: VMM: another TLB invalidation fix for non-present pages VMM: fixed a performance regression (4.2.8 regression; bug #11674) GUI: fixed a crash on shutdown GUI: prevent stuck keys under certain conditions on Windows hosts (bugs #2613, #6171) VRDP: fixed a rare crash on the guest screen resize VRDP: allow to change VRDP parameters (including enabling/disabling the server) if the VM is paused USB: fixed passing through devices on Mac OS X host to a VM with 2 or more virtual CPUs (bug #7462) USB: fixed hang during isochronous transfer with certain devices (4.1 regression; Windows hosts only; bug #11839) USB: properly handle orphaned URBs (bug #11207) BIOS: fixed function for returning the PCI interrupt routing table (fixes NetWare 6.x guests) BIOS: don't use the ENTER / LEAVE instructions in the BIOS as these don't work in the real mode as set up by certain guests (e.g. Plan 9 and QNX 4) DMI: allow to configure DmiChassisType (bug #11832) Storage: fixed lost writes if iSCSI is used with snapshots and asynchronous I/O (bug #11479) Storage: fixed accessing certain VHDX images created by Windows 8 (bug #11502) Storage: fixed hang when creating a snapshot using Parallels disk images (bug #9617) 3D: seamless + 3D fixes (bug #11723) 3D: version 4.2.12 was not able to read saved states of older versions under certain conditions (bug #11718) Main/Properties: don't create a guest property for non-running VMs if the property does not exist and is about to be removed (bug #11765) Main/Properties: don't forget to make new guest properties persistent after the VM was terminated (bug #11719) Main/Display: don't lose seamless regions during screen resize Main/OVF: don't crash during import if the client forgot to call Appliance::interpret() (bug #10845) Main/OVF: don't create invalid appliances by stripping the file name if the VM name is very long (bug #11814) Main/OVF: don't fail if the appliance contains multiple file references (bug #10689) Main/Metrics: fixed Solaris file descriptor leak Settings: limit depth of snapshot tree to 250 levels, as more will lead to decreased performance and may trigger crashes VBoxManage: fixed setting the parent UUID on diff images using sethdparentuuid Linux hosts: work around for not crashing as a result of automatic NUMA balancing which was introduced in Linux 3.8 (bug #11610) Windows installer: force the installation of the public certificate in background (i.e. completely prevent user interaction) if the --silent command line option is specified Windows Additions: fixed problems with partial install in the unattended case Windows Additions: fixed display glitch with the Start button in seamless mode for some themes Windows Additions: Seamless mode and auto-resize fixes Windows Additions: fixed trying to to retrieve new auto-logon credentials if current ones were not processed yet Windows Additions installer: added the /with_wddm switch to select the experimental WDDM driver by default Linux Additions: fixed setting own timed out and aborted texts in information label of the lightdm greeter Linux Additions: fixed compilation against Linux 3.2.0 Ubuntu kernels (4.2.12 regression as a side effect of the Debian kernel build fix; bug #11709) X11 Additions: reduced the CPU load of VBoxClient in drag'and'drop mode OS/2 Additions: made the mouse wheel work (bug #6793) Guest Additions: fixed problems copying and pasting between two guests on an X11 host (bug #11792)
This is a maintenance release. The following items were fixed and/or added: OVF/OVA: don’t crash on import if no manifest is used (4.2.14 regression; bug #11895) GUI: do not restore the current snapshot if we power-off after a Guru Mediation Storage: fixed a crash when hotplugging an empty DVD drive to the VM Storage: fixed a crash when a guest read from a DVD drive attached to the SATA controllerunder certain circumstances EFI: don’t fail with 64-bit guests on 32-bit hosts (bug #11456) Autostart: fixed VM startup on OS X Windows hosts: native Windows 8 controls Windows hosts: restore native style on Vista 32 Windows hosts / guests: Windows 8.1 adaptions (bug #11899) Mac OS X hosts: after removing VirtualBox with VirtualBox_Uninstall.tool, remove it fromthe pkgutil –pkgs list as well
# The following major new features were added:* VMM: major rewrite of the VT-x code including many bug fixes and performance improvements* GUI: keyboard shortcuts management (input page of global preferences extended with* possibility to edit general keyboard shortcuts for VirtualBox Manager and Virtual Machine)* GUI: extended messaging mechanism (new non-modal popup overlays used to show noncritical warnings and provide user with additional information)* GUI: video capturing support* GUI: host touch devices support (GUI passes host touch-events to guest)* Emulated USB touch devices* VRDP: support for IPv6* NAT: experimental virtual router mode: several VMs are attached to the same internal network and share one NAT service# In addition, the following items were fixed and/or added:* VMM: properly handle NMIs on Linux hosts with X2APIC enabled* GUI: update check uses https* GUI: lot of internal stuff rewritten (cleanup and bug-fixes)* Settings: global and per-VM default frontend configuration, useful to select the use of alternative VM frontends* Settings: limit depth of snapshot tree to 250 levels, as more will lead to decreased performance and may trigger crashes* Main: new event queue implementation which does not use the host’s native event queue for processing VirtualBox events anymore* Main: use the XDG standard configuration folder instead of .VirtualBox on systems where it is appropriate* VBoxManage: list more information about hard disk/DVD/floppy media, and support the--long option to show really all available details* VBoxManage: added support for optional command line parameters for the automatic Guest Additions update* VBoxManage: added support for listing active guest sessions, guest processes and/or guest files via guestcontrol list <all|sessions|processes|files>* VBoxManage: added support for closing active guest sessions via guestcontrol session close --session-id <ID>| --session-name <name or pattern>|--all* VBoxManage: added support for terminating active guest processes via guestcontrol process kill|close|terminate --session-id <ID>| --session-name <name or pattern> <PID> ... <PID n> or guestcontrol [p[s]]kill --session-id <ID>| --session-name <name or pattern> <PID> ... <PID n>* VBoxManage: added support for watching guest sessions via guestcontrol watch* 3D support: several fixes* 3D support: several fixes for Mac OS X hosts* OVF: several fixes* Keyboard: fix for reporting key sequences like Ctrl+Alt+Del for the USB keyboard emulation* Shared Clipboard/X11: support for BMP-format images, contributed by François Revol* Windows hosts: don’t cause massive DPC latency* Windows hosts: consider symlinks when retrieving volume information* Windows Additions: fixed misbehavior with guest display power management (WDDM driver only)* Windows guests: ability to track guest user idle times through the newly introduced event IGuestUserStateChangedEvent
Version 4.2.18 (2013-09-06)This is a maintenance release. The following items were fixed and/or added: VMM: properly handle NMIs on Linux hosts with X2APIC enabled VMM: fixed potential crashes with 64-bit guests on 32-bit hosts (bug #11979) GUI / seamless: properly handle mouse wheel scroll events GUI, VBoxManage: when unregistering a VM, also unregister the hard disk images whichare used exclusively (bug #10311) GUI: prevent crashes under certain conditions on X11 hosts 3D: multiscreen fixes (incorrect mouse position, flickets) 3D Support: several fixes for the Windows WDDM video driver (multiscreen, seamless) Snapshots: made live snapshots work again (bug #9255) Teleportation: made it work again (bug #9455) VBoxManage: on snapshot take, –pause is default and –live is for doing live snapshots VBoxSVC: don’t crash on systems with many VLAN interfaces (Solaris hosts only) Network: after the host resumes from suspend, disconnect and reconnect the virtual network cables to force renewing the DHCP leases for the guests. So far only Mac OS X hostsand Windows hosts (bug #10063). NAT: on name server changes force a reconnect of the virtual network cable to notify theguest (Mac OS X hosts only) Mac OS X installer: keep previously installed Extension Packs on VirtualBox upgrade Linux hosts / guests: Linux 3.11 fixes (bug #12001) Solaris hosts: fixed a potential kernel panic caused due to unexpected preemption due tologging. Windows hosts: fixed an issue with USB2 devices being inaccessible when plugged intoUSB3 ports. Linux Additions: added PCI device identifier to vboxvideo.ko fixing DRI initialization undercertain conditions (bug #11957) Linux Additions: fixed udev detection in the init script with Linux 3.x kernels
· VMM: major rewrite of the VT-x code and the AMD-V code including many bug fixes and performance improvements· GUI: extended messaging mechanism (new non-modal popup overlays used to show noncritical warnings and provide user with additional information)· GUI: keyboard shortcuts management (input page of global preferences extended with· possibility to edit general keyboard shortcuts for VirtualBox Manager and Virtual Machine)· GUI: video capturing support· Added USB touch device emulation· Added SCSI CD-ROM emulation, including boot support· VRDP: support for IPv6· Guest Control: guest sessions now are running in dedicated, impersonated session processes needs at least Guest Additions 4.3 installed)· Guest Control: implemented IGuestFile support· NAT: experimental virtual router mode: several VMs are attached to the same internal· network and share one NAT service (see chapter 6.4, Network Address Translation Service experimental), page 95)In addition, the following items were fixed and/or added:· VMM: properly handle NMIs on Linux hosts with X2APIC enabled· VMM: significantly improved performance of NetWare 5.x/6.x guests on host systems without nested paging support· VMM: fixed losing host NMIs while in VT-x guest-context· VMM: changed order of actions in emulated task switch· GUI: update check uses https· GUI: numerous minor internal cleanups and bug fixes· GUI, VBoxManage: when unregistering a VM, also unregister the hard disk images which are used exclusively· Snapshots: made live snapshots work again· Teleportation: made it work again· Storage: implemented AHA-154x compatibility mode in the emulated BusLogic SCSI HBA· Storage: significantly improved performance of large ATAPI PIO transfers (BeOS, Minix 3 guests affected)· Storage: added floppy formatting emulation (NB: cannot be used to change existing media geometry)· Settings: global and per-VM default frontend configuration, useful to select the use of· alternative VM frontends· Settings: limit depth of snapshot tree to 250 levels, as more will lead to decreased performance and may trigger crashes· Settings: the per-VM hwvirtextexcl setting has been replaced by a global hwvirtexclusive property· Main: new event queue implementation which does not use the host’s native event queue for processing VirtualBox events anymore· Main: eliminate the use of SysV semaphores on all host OSes other than Windows, namely Linux, Solaris and Mac OS X, with the consequence that no system reconfiguration is needed to run more than approximately 100 VMs· Main: use the XDG standard configuration folder instead of .VirtualBox on systems where it is appropriate· Main: extension pack framework can now support loading HGCM modules, contributed by Jeff Westphal· VBoxManage: list more information about hard disk/DVD/floppy media, and support the· long option to show really all available details· VBoxManage: added support for optional command line parameters for the automatic· Guest Additions update· VBoxManage: added support for listing active guest sessions, guest processes and/or guest files via guestcontrol list· VBoxManage: added support for closing active guest sessions via guestcontrol session· close --session-id | --session-name |--all· VBoxManage: added support for terminating active guest processes via guestcontrol· process kill|close|terminate --session-id | --session-name ... or guestcontrol [p[s]]kill --session-id | session-name ...· VBoxManage: added support for watching guest sessions via guestcontrol watch· 3D support: several fixes· 3D support: several fixes for Mac OS X hosts· OVF: several fixes· Keyboard: fix for reporting key sequences like Ctrl+Alt+Del for the USB keyboard emulation· Shared Clipboard/X11: support for BMP-format images, contributed by François Revol· Windows hosts: don’t cause massive DPC latency (only on certain hosts; still needs improving)· Windows hosts: consider symlinks when retrieving volume information· Windows hosts: fixed an issue with USB2 devices being inaccessible when plugged into· USB 3.0 ports· Windows Additions: fixed misbehavior with guest display power management (WDDM· driver only)· Linux Additions: fixed udev detection in the init script with Linux 3.x kernels· Windows guests: ability to track guest user idle times through the newly introduced event IGuestUserStateChangedEvent
Version 4.3.0 Release Candidate 1 (2013-10-08)This is a major update. The following major new features were added: VMM: major rewrite of the VT-x code and the AMD-V code including many bug fixes andperformance improvements (for example bug #9659) VMM: introduced a lightweight instruction interpreter for situations not handled by hardware virtualization GUI: extended messaging mechanism (new non-modal popup overlays used to show noncritical warnings and provide user with additional information) GUI: keyboard shortcuts management (input page of global preferences extended withpossibility to edit general keyboard shortcuts for VirtualBox Manager and Virtual Machine) GUI: video capturing support (bug #4766) Added USB touch device emulation Added SCSI CD-ROM emulation, including boot support VRDP: support for IPv6 Guest Control: guest sessions now are running in dedicated, impersonated session processes (needs at least Guest Additions 4.3 installed) Guest Control: implemented IGuestFile support NAT: experimental virtual router mode: several VMs are attached to the same internalnetwork and share one NAT service (see chapter 6.4, Network Address Translation Service(experimental), page 95)In addition, the following items were fixed and/or added: VMM: significantly improved performance of NetWare 5.x/6.x guests on host systems without nested paging support VMM: fixed losing host NMIs while in VT-x guest-context VMM: changed order of actions in emulated task switch (bug #10532) GUI: update check uses https22215 Change log GUI: numerous minor internal cleanups and bug fixes GUI, VBoxManage: when unregistering a VM, also unregister the hard disk images whichare used exclusively (bug #10311) GUI: use the number of physical presented processor cores instead of the number of logicalprocessor cores to check if the users assigned too many virtual CPUs to the guest Snapshots: made live snapshots work again (bug #9255) Teleportation: made it work again (bug #9455) Storage: implemented AHA-154x compatibility mode in the emulated BusLogic SCSI HBA Storage: significantly improved performance of large ATAPI PIO transfers (BeOS, Minix 3guests affected) Storage: added floppy formatting emulation (NB: cannot be used to change existing mediageometry) Settings: global and per-VM default frontend configuration, useful to select the use ofalternative VM frontends Settings: limit depth of snapshot tree to 250 levels, as more will lead to decreased performance and may trigger crashes Settings: the per-VM hwvirtextexcl setting has been replaced by a global hwvirtexclusiveproperty Main: new event queue implementation which does not use the host’s native event queuefor processing VirtualBox events anymore Main: eliminate the use of SysV semaphores on all host OSes other than Windows, namelyLinux, Solaris and Mac OS X, with the consequence that no system reconfiguration isneeded to run more than approximately 100 VMs Main: use the XDG standard configuration folder instead of .VirtualBox on systems whereit is appropriate (bug #5099) Main: extension pack framework can now support loading HGCM modules, contributed byJeff Westphal VBoxManage: list more information about hard disk/DVD/floppy media, and support the--long option to show really all available details VBoxManage: added support for optional command line parameters for the automaticGuest Additions update VBoxManage: added support for listing active guest sessions, guest processes and/or guestfiles via guestcontrol list <all|sessions|processes|files> VBoxManage: added support for closing active guest sessions via guestcontrol sessionclose --session-id <ID>| --session-name <name or pattern>|--all VBoxManage: added support for terminating active guest processes via guestcontrolprocess kill|close|terminate --session-id <ID>| --session-name <name orpattern> <PID> ... <PID n> or guestcontrol [p[s]]kill --session-id <ID>|--session-name <name or pattern> <PID> ... <PID n> VBoxManage: added support for watching guest sessions via guestcontrol watch22315 Change log 3D support: several fixes 3D support: several fixes for Mac OS X hosts OVF: several fixes Extpack Installer: make it work if the file is located in a folder with special characters Keyboard: fix for reporting key sequences like Ctrl+Alt+Del for the USB keyboard emulation Shared Clipboard/X11: support for BMP-format images, contributed by François Revol Windows hosts: don’t cause massive DPC latency (only on certain hosts; still needs improving; bug #6242) Windows hosts: consider symlinks when retrieving volume information (bug #11962) Windows hosts: fixed an issue with USB2 devices being inaccessible when plugged intoUSB 3.0 ports Windows Additions: fixed misbehavior with guest display power management (WDDMdriver only; bug #11170) Windows Additions: fixed memory leak caused by WTSQuerySessionInformation() on Windows 2000 guests (bug #12072) Linux Additions: fixed udev detection in the init script with Linux 3.x kernels Windows guests: ability to track guest user idle times through the newly introduced eventIGuestUserStateChangedEvent(
This is a maintenance release. The following items were fixed and/or added: VMM: fixed restoring of the auxiliary TSC MSR in VT-x that caused host BSODs on Windows 8.1 hosts and unpredictable behavior on other hosts (bug #12237) VMM: provide fake values for a couple of MSRs to make more guests happy on certain hosts VMM: fixed detection of VT-x on certain machines where the BIOS would not set the VMX LOCK feature bit, which affected the VM settings in the GUI VMM: fixed TPR threshold which caused BSODs on Windows XP guests that use the I/O APIC (VT-x only; bug #12227) VMM: fixed PATM saved state incompatibility for software virtualized VMs (bug #12222) VMM: don't fail if AMD-V isn't available if the VM is configured to use software virtualization GUI: fixed guest resize breakage on visual representation mode change (when switching from normal to fullscreen etc) GUI: make sure the guest screen is resized after restoring a VM from a saved state if the host screen size changed GUI: disabled SCROLL LED sync from HID LEDs synchronization (Mac OS X hosts only) Webcam passthrough improvements including GUI support (see the manual for more information) Guest Control: implemented more IGuestSession methods Guest Control: added support for deleting and renaming guest files + directories in VBoxManage Guest Control: various bugfixes API: incorrect handling of hardware UUID default value, resulting in an all zero DMI/SMBIOS UUID, which leads to Windows requesting re-activation (4.3 regression; bug #12244) 3D support: fixed crash on shutdown if 2D video acceleration is enabled (Mac OS X hosts only) 3D support: miscellaneous fixes Storage: fixed detection of CD/DVD media when switching from an empty to a host drive with passthrough enabled Storage: fixed hang of the VM process when the disk is full under certain circumstances NAT: listen for changes of NAT Network setting at runtime NAT: NAT Network DHCP server now saves leases to a persistent storage Main: monitor changes in host DNS configuration Mac OS X host: reworked a mechanism of adding a VM desktop alias from the VM selector Mac OS X installer: remove old kernel extensions during upgrade (bug #12258) Linux Additions: correctly set umask before installing (bug #12166) X11 Additions/3D: fix freezes starting 3D desktop (bug #11503, thank you Sam Spilsbury) X11 Additions/3D: fix depth buffer support (bug #11905) X11 Additions/3D: fix Age Of Empires 3 rendering (bug #11331) Windows Additions/3D: fix Google Earth plugin rendering Windows Additions/WDDM: autoresize fixes
This is a maintenance release. The following items were fixed and/or added: GUI: always report recommended resolutions for all monitors (not always done since4.2.12) GUI: make sure the assigned license and description are attached to the exported appliance GUI: the OS X hot corners were not accessible while a VirtualBox VM is running (Mac OSX hosts only; bug #4139) NAT: don’t run into an infinite loop in case the host cannot access any DNS server (4.3.0regression; bug #12300) NAT: don’t re-connect the cable if the DNS information changes and the cable was disconnected before (4.3.0 regression; bug #12225) Main: properly save the passthrough flag for DVD drives without an attached medium Keyboard: fixed a VM crash if a VM was resumed from a saved state where at least one keywas pressed (bug #11289) 2D Video acceleration: fix crashes on presentation mode switches (bug #9194) Storage: fixed errors with snapshots when using QCOW or QED disk images (bug #12144) Storage: fix for newer Linux kernels not detecting a hard disk as SSD when using the IDEor SATA controller (bug #12025) Storage: fixed detection of CD/DVD media when switching from an empty to a host drivewith passthrough enabled Snapshots: fixed a bug which could result in lost medium attachments (4.2.18 regression,bug #11750) Shared Clipboard: fixed potential SEGFAULT when working with UTF8 and UTF16 content(Mac OS X hosts only) OVF: fixed import logic for OVF appliances containing multiple VMs Extpack Installer: make it work if the file is located in a folder with special characters SDK: extended the functionality coverage for the C bindings API: block the removal of the current snapshot if it has child snapshots (only relevant forVMs without snapshottable hard disks, their presence always prevented removal), whichresulted in VM config corruption API: mark VM configs with snapshots but without current snapshot as inaccessible, as thiscombination is nonsense API: fixed information for some automatically generated events (only with XPCOM, Windows host was not affected), which caused errors when getting some of the attributes overthe webservice (bug #12379) Mac OS X hosts: support for Mac OS X 10.9 (Mavericks) Mac OS X hosts: properly sign the kernel extensions for Mavericks hosts (bug #12256) Mac OS X hosts: use a launchd script instead of the deprecated StartupItem mechanism(bug #8940) Mac OS X hosts: fixed a bug where the VirtualBox dock icon was not properly removed fromthe dock after a VM terminated preventing Mavericks hosts from shutting (bug #12241) Linux Additions: Linux 3.13 compile fix (bug #12358) Linux Additions: Linux 3.12 compile fix (bug #12083) Linux Additions: Linux 3.11 fix for shared folders (bugs #11946, #12128) Linux Additions: compile fix for SLES11 SP3 Linux Additions: correctly set umask before installing (bug #12166) Linux Additions: build the vboxvideo kernel module correctly on OL/RHEL 6.1 guests (bug#11996) Linux Additions: make 3D work on Slackware 14.1 (bug #12320 comments 3 and 4) Windows Additions: fixed memory leak caused by WTSQuerySessionInformation() on Windows 2000 guests (bug #12072) Windows Additions: multimonitor resize fixes X11 Additions/3D: fix freezes starting 3D desktop (bug #11503, thank you Sam Spilsbury) Guest additions/3D: fix an occasional dead-lock (bug #12319)
VMM: fix for a bug in the Local APIC emulation causing a BSOD when booting certainguests (4.3.0 regression)VMM: fixed loading of saved states if VT-x/AMD-V was disabled (4.3.2 regression)VMM: fixed single-stepping inside the guest for certain instructions (VT-x only)VMM: fixed a performance issue involving APIC accesses after rebooting a VM (4.3.0 re-gression; VT-x only)VMM: fixed TPR patching to be enabled for 32-bit guests even when the chosen guest type is 64-bit (4.3.0 regression; AMD-V only)VMM: fixed occassional VINF_EM_TRIPLE_FAULT errors on hosts without the unrestricted guest execution featureGUI: don’t bother the user with the BPP warning if no Guest Additions are installedGUI: fixed machine-window paint artifacts on VM reboot / guest-screen resizeGUI: make sure the assigned license and description are attached to the exported applianceGUI: fixed bugs in close VM action restrictions handlingGUI: fixed incorrect wizards text colors for some unusual look and feel stylesGUI: should restore seamless mode as soon as possible after VM reboot or shutdownGUI: fixes for medium enumerationHost-only Networking: fixed creating of host-only network interfaces (4.3.0 regression)NAT: don’t run into an infinite loop in case the host cannot access any DNS server (4.3.0 regression)NAT: don’t re-connect the cable if the DNS information changes and the cable was disconnected before (4.3.0 regression)NAT: fixed several issues with automatically starting / terminating of NAT networks on VM start / stop and configuration changes VBoxNetDHCP: don’t block prevent VBoxSVC from terminating2D Video acceleration: fix crashes on presentation mode switchesBusLogic: allow to run VMs with more than one BusLogic SCSI controller enabledKeyboard: fixed a VM crash if a VM was resumed from a saved state where at least one key was pressedVBoxSVC: fixed a heap corruption under certain conditions (4.3.0 regression)VBoxSVC: fixed a race leading to a hang during initializationOVF: fixed import logic for OVF appliances containing multiple VMsOVF: improved logic for finding an appropriate image format during OVF importAPI: block the removal of the current snapshot if it has child snapshots (only relevant for VMs without snapshottable hard disks, their presence always prevented removal), which resulted in VM config corruptionAPI: mark VM configs with snapshots but without current snapshot as inaccessible, as this combination is nonsenseAPI: fixed information for some automatically generated events (only with XPCOM, Windows host was not affected), which caused errors when getting some of the attributes over the webserviceSDK: extended the functionality coverage for the C bindingsGuest Control: various bugfixes and improved VBoxManage helpWindows hosts: another attempt to fix the massive DPC latencyWindows host installer: make registering file extensions optional, contributed by Tal AloniGuest Additions/3D: fixed an occasional dead-lockWindows Additions/3D: fixed possible memory leakingWindows Additions/XPDM: use separate tables containing valid video modes for each virtual monitorWindows Additions: fixed automatic logins for Vista and newer Windows guests
This is a maintenance release. The following items were fixed and/or added: VMM: fixed a Guru Meditation VINF_EM_TRIPLE_FAULT caused by VMCB caching with nested paging on certain AMD CPUs (bug #12451) VMM: fixed a Guru Meditation VERR_VMX_UNEXPECTED_INTERRUPTION_EXIT_TYPE while intercepting debug exceptions (VT-x only; bug #12410) VMM: fixed a Guru Meditation VERR_SVM_UNEXPECTED_EXIT while intercepting debug register accesses (AMD-V only; bug #12481) VMM: fixed a VERR_SSM_STRUCTURE_MAGIC error when trying to load a saved state made with VBox 4.3.4 when VT-x/AMD-V is disabled. Unfortunately, VBox 4.3.4 produced broken saved states for this configuration so you have to discard these states (bug #12414) VMM: added a few more MSRs to the whitelist required by certain guests (bug #12245) GUI: fixed deleting of inaccessible VMs (4.3 regression, bug #12205) GUI: fixed warnings in VM settings / number of guest processors (bug #12480) Main: don't automatically enable 64-bit guests on 64-bit hosts if VT-x/AMD-V is not available (bug #12424) Main: always expose the DMI memory information to Windows 2012 guests (bug #12017) Main: fixed occasional crashes on guest display resolution change (bug #7063) Main: fixed reporting back temporary name when calling IGuestSession::DirectoryCreateTemp() (bug #12498) API: fix for a hang when launching a GUI VM through the API, which crashes due to GUI unavailability Storage: fix for BLKCACHE_IOERR runtime errors under rare circumstances (bug #11030) Network: allow to start more than 5 PCNet instances (bug #12426) E1000: if the cable was disconnected before the guest initialized the device, the link status was not properly set to 'down' after the initialization completed despite the fact that there was no connection 3D support: fixed offset of guest 3D image elements (Mac OS X Retina hosts only; bug #11021) Solaris hosts: fixed accessing the host driver from non-global zones (4.3 regression, bug #12271)