00:00:03.446 Audio: Trying driver 'alsa'.
00:00:03.446 Audio: set_record_source ars=0 als=0 (not implemented)
00:00:03.457 ALSA: Failed to open 'default' as ADC
00:00:03.459 ALSA: Failed to open 'default' as ADC
00:00:03.460 ALSA: DAC frequency 44100Hz, period size 256, buffer size 1025
00:00:03.462 ALSA: Failed to open 'default' as ADC
00:00:03.466 ALSA: Failed to open 'default' as ADC
00:00:03.466 AC97: WARNING: Unable to open PCM IN!
00:00:03.466 AC97: WARNING: Unable to open PCM MC!
00:00:03.466 Console: VM runtime error: fatal=false, errorID=HostAudioNotResponding message="Some audio devices (PCM_in, PCM_mic) could not be opened. Guest applications generating audio output or depending on audio input may hang. Make sure your host audio device is working properly. Check the logfile for error messages of the audio subsystem."
00:00:03.514 Changing the VM state from 'CREATING' to 'CREATED'.
00:00:03.596 Changing the VM state from 'CREATED' to 'LOADING'.
00:00:06.579 TM: cTSCTicksPerSecond=0x835eee8e (2204036750) fTSCVirtualized=true  fTSCUseRealTSC=false (state load)
00:00:06.639 PIT: mode=2 count=0x2ead (11949) - 99.85 Hz (ch=0) (restore)
00:00:06.639 RTC: stopped the periodic timer (restore)
00:00:06.661 Guest Additions information report: additionsVersion = 0x00010004  osType = 0x00033000
00:00:06.667 Audio: set_record_source ars=0 als=0 (not implemented)
00:00:06.669 ALSA: Failed to open 'default' as ADC
00:00:06.670 ALSA: Failed to open 'default' as ADC
00:00:06.678 Changing the VM state from 'LOADING' to 'SUSPENDED'.
00:00:06.678 Changing the VM state from 'SUSPENDED' to 'RUNNING'.
00:00:06.843 Display::handleDisplayResize(): uScreenId = 0, pvVRAM=442d6000 w=1024 h=768 bpp=32 cbLine=0x1000
00:00:06.844 VBVA: Enabled.