Details
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    Bug 
- 
    Resolution: Cannot Reproduce
- 
    Major 
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    None
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    None
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    Virtualbox 5.0.2 with AC97 audio 
Description
Audio does not work in trunk for me for a while now. The software system audio device fails to start properly
| (../../ntoskrnl/mm/ARM3/sysldr.c:176) Loading: \SystemRoot\System32\drivers\sysaudio.sys at F65B5000 with f pages | 
| (../../ntoskrnl/io/iomgr/deviface.c:1408) IopGetDeviceObjectFromDeviceInstance failed to find status SW | 
| (../../ntoskrnl/io/iomgr/deviface.c:1408) IopGetDeviceObjectFromDeviceInstance failed to find status SW | 
| (../../ntoskrnl/io/iomgr/deviface.c:1408) IopGetDeviceObjectFromDeviceInstance failed to find status SW | 
| (../../ntoskrnl/io/iomgr/deviface.c:1408) IopGetDeviceObjectFromDeviceInstance failed to find status SW | 
| (../../ntoskrnl/io/pnpmgr/pnpmgr.c:469) \Driver\SYSAUDIO->AddDevice(SW\{a7c7a5b0-5af3-11d1-9ced-00a024bf0407}\{9b365890-165f-11d0-a195-0020afd156e4}) failed with status 0xc0000035 | 
Attempting to play audio shows Failed to open \\.\wdmaud


