Sun Microsystems VIRTUALBOX 3.0.0 - Manual (Page 195)

12 Change log
• VMM: fixed issues with V86 mode
• VMM: support V86 extensions (VME)
• VMM: support guests with a full GDT
• VMM: fixed boot hangs for some Linux kernels
• VMM: improved FreeBSD and OpenBSD support
• VMM: improved performance of guests that aggressively patch kernel code (very
recent Linux 2.6 kernels)
• VMM: added workaround for a design flaw in AMD AM2 CPUs where the times-
tamp counter shows large differences among CPU cores
• VMM: fixed Linux guests with grsecurity
• VMM: fixed issue on 2G/2G Linux kernels (even 1G/3G kernels should work)
• VMM: fixed Linux detection of Local APIC on non-Intel and non-AMD CPUs
• VMM: timing improvements with high host system loads (VM starvation)
• VMM: experimental AMD SVM hardware virtualization support now also handles
real and protected mode without paging
• VMM: added system time offset parameter to allow for VMs to run in the past or
future
• VMM: provide an MPS 1.4 table if the IOAPIC is enabled
• VRDP: allow binding the VRDP server to a specific interface
• VRDP: added support for clipboard synchronization
• VRDP: fixed problems with OS X RDP client
• VRDP: added support for multiple simultaneous connections to one VM
• VRDP: added support for MS RDP6 clients (Vista)
• Storage: experimental support for VMDK images (writethrough mode only, no
snapshots yet)
• Storage: raw host disk support, including individual partitions
• IDE: improve CHS geometry detection
• IDE: fixed problem that only one VM could open an immutable image
• NAT: allow more than one card configured for NAT networking
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