host OS:win 8.1,
virtualbox 4.3.28
guest OS : retail snow leopard DVD iso file
00:00:13.884847 VGA Graphics Controller (3CF): GR index 3CE:05
00:00:13.884848 GR00:00 GR01:00 GR02:00 GR03:00 GR04:00 GR05:50 GR06:05 GR07:0F GR08:FF
00:00:13.884850 !!
00:00:13.884850 !! {vgapl}
00:00:13.884850 !!
00:00:13.884851 read mode : 0 write mode: 0
00:00:13.884851 set/reset data: 00 S/R enable: 00
00:00:13.884852 color compare : 00 read map : 0
00:00:13.884853 rotate : 0 function : 0
00:00:13.884853 don't care : 0F bit mask : FF
00:00:13.884854 seq plane mask: 0F chain-4 : on
00:00:13.884854 !!
00:00:13.884855 !! {vgasr}
00:00:13.884855 !!
00:00:13.884855 VGA Sequencer (3C5): SR index 3C4:04
00:00:13.884856 SR00:03 SR01:00 SR02:0F SR03:00 SR04:0A
00:00:13.884857 !!
00:00:13.884858 !! {vgatext}
00:00:13.884858 !!
00:00:13.884858 Not in text mode!
00:00:13.884859 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
00:00:13.884871 emR3Debug: rc=VINF_EM_TRIPLE_FAULT
00:00:14.887531 Changing the VM state from 'RUNNING' to 'GURU_MEDITATION'.
00:00:16.548695 Console::powerDown(): A request to power off the VM has been issued (mMachineState=Stopping, InUninit=0)
00:00:16.551290 Changing the VM state from 'GURU_MEDITATION' to 'POWERING_OFF'.