Changes in 2.5.1 (January 6, 2012): - CPU / CPUDB ! Added Athlon64 (Venice) configuration to the CPUDB - BMI: fixed EFLAGS after BMI instructions - MSR: access to AMD extended MSR space was impossible due to a bug in RDMSR/WRMSR - VMX: fixed VMFUNC instruction behavior to align with Intel SDM revision 041 - VMX: fixed Bochs PANIC when doing I/O access crossing VMX I/O permission bitmaps - VMX: fixed VirtualBox VMX guest Guru Meditation - FS.BASE got corrupted after saving/restoring unusable FS selector - VMX: fixed VirtualBox failures with VMX+EPT enabled - Better report of supported CPUID features when not using pre-defined CPUID profile - Debugger / Instrumentation - fixed typo - closing SF bug [3461405] step all command fails in SMP mode - instrumentation: added special indication for indirect call/jump - Configure and compile - fixed compilation err in instrumentation call (tasking.cc) - fixed compilation err with x86 hw breakpoint enabled and CPU_LEVEL < 6 - fixed compilation issue under win32 --with-nogui - added missing dependencies for cdrom_osx.o - removed very old deprecated configure options from configure script - I/O Devices - fixed possible failures of PCI DMA transfers - VVFAT: several fixes in the optional write support (passes test with XP) - USB UHCI: some fixes to make it work in XP guest - removed devices 'acpi', 'ioapic' and 'pci_ide' from optional plugin control to avoid trouble - Config interface / GUI and display libraries - added VMX .bochsrc option to control VMX support on runtime - fix for x86-64 .bochsrc option parsing (patch from @SF) - fix for @SF bug: Crash on WIN2K - ID: 3454214 - added 'nokeyrepeat' option for the SDL and win32 gui .