VirtualBox

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Ticket Resolution Summary Owner Reporter
#5577 obsolete A Max OS X CoreAudio enhancement note Gregory Palmer
Description

For current Mac OS X hosts, if the user has configured and selected for default audio usage an external speaker system, such as the USB-interfaced Bose Companion 5 system, in place of the Mac's internal speakers, VirtualBox consistently fails to communicate with the CoreAudio system of the host OS during pre-boot operations resulting in solid error selection of the NULL audio driver and leaving the guest mute (vbox.log provided in evidence for driver case IHC AC97 - host is MAC OS X 10.6.2).

This behavior holds for both selections of audio driver - IHC AC97 or Soundblaster. A work around is to simply access the Audio configuration in System Tools to reestablish the internal speakers for the period of time during which VirtualBox hosts its guest(s).

I would like to suggest that there might be a better way to provide audio for guests running under VirtualBox for OSX - provide two additional Controller choices that avoid virtualization of sound cards altogether and simply provide the audio information directly to CoreAudio per the user's specification in System Tools::Audio and its companion Audio MIDI Setup application in the Utilities folder.

In doing this, you would allow the user to configure a choice of audio output, conducted by CoreAudio, in either of two ways:

a) to the CoreAudio Default Output unit (kAudioUnitSubType_DefaultOutput) is for whatever is 'standard' audio out, such as a user-configured external audio system

b) to the CoreAudio System Output unit (kAudioUnitSubType_SystemOutput) which is normally used for alerts and user interface sound effects.

I believe that this would provide the user with maximum flexibility and minimal configuration error.

#11839 fixed A USB problems(HANG) when ugrade 4.0.18 to 4.1.0 => Fixed in SVN Woof
Description

I have biometric device (fingerprint recognition mouse). it was worked on 4.0.18 but 4.1.x, it does not work.

if the device starts capturing fingerprint, VM process is hanged. at that time Virtualbox.exe has 1 zombie thread. looks like it waits a response from kerenl driver.

#2892 duplicate A VDI file created as Sparse cannot be cloned Philip Orleans
Description

I created a Windows VM with 20G sparse file, which ends up in a 3 GB file. Then I used Vboxmanage cloning features to clone the disk and when I tried to reuse it in a new virtual machine, the new machine refuses to boot saying "Disk Read Error". I use SUSE 10 SP2.

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