VirtualBox 5.1.12.112440

- VMM: fixed VERR_IEM_ASPECT_NOT_IMPLEMENTED Guru Meditations with certain Linux guests if KVM paravirtualization is enabled.
- VMM: fixed VERR_VMX_UNABLE_TO_START_VM Guru Meditations under rare conditions.
- GUI: prevent a crash under certain conditions if the VM is terminated very early.
- GUI: fixed certain keyboard capture issues (5.1.10 regression; Mac OS X hosts only;
- GUI: fixed dragging guest windows in seamless mode with the keyboard captured.
- GUI: fixed a problem where the new version detected dialog was covered by the appliance import dialog.
- Storage: fixed NVMe reset processing when doing rmmod nvme; modprobe nvme in a Linux guest.
- Storage: fixed creating a snapshot when the VM is running and an NVMe controller is present.
- Storage: fixed a problem with the LsiLogic SCSI controller where requests could be lost with SMP guests.
- E1000: fixed "cable disconnected" issue.
- E1000: fixed "TX unit hang" issue.
- Parallel ports: fixed port enumeration on Windows host.
- API: don't crash when sanitizing certain VM names.
- Linux hosts: automatically disable asynchronous I/O on Linux 2.6.18 kernels as high I/O load may trigger kernel oopses on these kernels if this feature is enabled.
- Linux hosts / guests: Linux 2.6.28 compile fix.
- Linux hosts: compile Linux 4.9 compile fix.
- Linux Additions: warn the user about a known bug with older Linux guests (e.g. Debian 7) requiring manual work to get 3D working.
- Linux Additions: fix the graphics driver build with Linux 4.10 and later.
- Windows Additions: fixed a crash in the WDDM driver under certain conditions.