VirtualBox 3.2.12 Build 68302

What's new in this version:

- VMM: fixed rare host crash when running 64-bit guests on 32-bit hosts
- VMM: fixed host reboots under rare circumstances due to NMIs triggered by active performance counters (Linux hosts in non-VT-x/AMD-V mode only;)
- VMM: fixed out of memory guru meditation for large memory guests
- VMM: fixed a guru meditation related to large pages
- VMM: use new VT-x feature to keep the guest from hogging the CPU
- Snapshots: implemented deleting the last remaining snapshot while the VM is running
- GUI: perform the checks for exceeding the size limit of the host file system and for broken asynchronous I/O on older Linux kernels with ext4 / xfs file systems not only when starting the VM from scratch but also when starting from a saved state
- NAT: fixed memory leak (3.2.0 regression;)
- Networking: fixed VM reset handling in e1000
- VRDP: fixed rare crash in multimonitor configuration
- Display: fixed occasional guest resize crash
- Mouse: don't send relative mouse events together with absolute mouse events (3.2.10 regression;)
- Keyboard: fixes for the USB keyboard emulation; fixes for Koran keyboards
- Serial: don't hang if the host device would block during open
- Serial: fixed modem status lines (Linux hosts only;)
- Graphics: Horizontal resolutions are no longer restricted to a multiple of 8 pixels (bug #2047; requires Guest Additions update)
- USB: fixed a crash with older Linux kernels and non-ASCII characters in device strings (Linux hosts only; version 3.2.8 contained an incomplete fix)
- USB: fixed a crash under rare circumstances (Windows hosts only)
- iSCSI: respond to NOP-In requests from the target immediately to avoid being disconnected if the guest is idle
- 3D support: fixed a crash under certain circumstances
- 3D support: fixed crashes for GLUT based apps
- 3D support: added missing GLX 1.3 functionality
- 2D Video acceleration: fixed potential deadlock when saving the VM state
- Windows hosts: another fix for BSODs under certain circumstances in VBoxNetFlt.sys
- Solaris hosts: fixed host USB DVD drive detection
- Mac OS X hosts: fixed swapped keys for certain ISO keyboard types
- Linux hosts: added link state handling for TAP devices needed for proper operation with bridged networking on kernels 2.6.36 and above
- Linux hosts/guests: Linux 2.6.37 fixes
- Linux Additions: properly compile the vboxvideo module if DKMS is not installed
- Linux Additions: fixed a memory leak when accessing non-existing files on a Shared Folders
- Windows Additions: skip none-mapped user accounts when enumerating user accounts for VM information