Correction to last comments concerning problem resolution.

I inadvertently referred to backing off from Version 5.0.2  to VirtualBox
Release 4.33.
The correct backoff release number is 4.3.30-101610.

On Fri, Aug 21, 2015 at 8:36 AM, Gene Soo <email address hidden> wrote:

> I believe I have discovered the cause of the problem.
> Your prompting me to look at the Open Issues for VirtualBox pointed out
> that I was on V5.0.0 and when I went to the Downloads Page, V5.0.2 was
> currently available.
> VirtualBox will send a push notification when the team indicates and
> important release is available and is displayed when you start VirtualBox.
> Although 5.0.2 is generally available, they did not mark it for Push
> Notification.
>
> I upgraded to 5.0.2 and also followed through with a process called
> Install Guest Additions, that led to more serious errors.
> The Guest Additions Scripting installs custom support for a variety of
> system dependent things including advanced Video capabilities like Screen
> resizing.
> I had noticed this issue before but was not zoned in on it because it is a
> critical failure for the new KDE Distro and not with the other Desktops.
>
> I decided to backoff to VBox V4.33 which is the latest release for V4 of
> VirtualBox.
>
> Spot checking all of the 15.10 Distros having this audio problem, just
> getting into alsamixer and adjusting the Volume Slider, they seem to work
> correctly with VBox V4.33.
>
> The VirtualBox Team had a V5.0.3 release that hasn't been finalized but is
> available for users to manually install. I have not tried that release to
> see if the Audio issues are resolved.
>
> I need to turn my attention to reporting both this Audio Issue and the
> Video issue to the respective Virtual Box teams.
>
> I believe you can mark this issues as Closed.
>
> Thanks for all of the help in getting this issue sorted out.
>
> On Fri, Aug 21, 2015 at 7:00 AM, Raymond <email address hidden>
> wrote:
>
>>
>> https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/intel8x0.c?id=4235a31784f59c9be5ff71534743c055091f9735
>>
>> the real ac97 controller 8086:2415 does not support 6 channels
>>
>> --
>> You received this bug notification because you are subscribed to the bug
>> report.
>> https://bugs.launchpad.net/bugs/1487168
>>
>> Title:
>>   [Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider
>>   problem
>>
>> Status in alsa-driver package in Ubuntu:
>>   Incomplete
>>
>> Bug description:
>>   Volume Slider is only controlling PCM channel and is not controlling
>>   Master. In effect, Master is restricting the audio level to the
>>   default of approximately 45 Percent. In order to raise the Master
>>   Volume Level, alsamixer is capable of changing Master. Without
>>   manually raising Master to Max Volume, Volume Slider can only control
>>   volume from 0-45% which is the default level of Master.
>>
>>   Description:  Ubuntu Wily Werewolf (development branch)
>>   Release:      15.10
>>
>>   ProblemType: Bug
>>   DistroRelease: Ubuntu 15.10
>>   Package: alsa-base 1.0.25+dfsg-0ubuntu5
>>   ProcVersionSignature: Ubuntu 4.1.0-3.3-generic 4.1.3
>>   Uname: Linux 4.1.0-3-generic x86_64
>>   ApportVersion: 2.18-0ubuntu7
>>   Architecture: amd64
>>   AudioDevicesInUse:
>>    USER        PID ACCESS COMMAND
>>    /dev/snd/controlC0:  gene       1330 F.... pulseaudio
>>                         gene       1922 F.... alsamixer
>>   CurrentDesktop: Unity
>>   Date: Thu Aug 20 13:00:57 2015
>>   InstallationDate: Installed on 2015-08-19 (1 days ago)
>>   InstallationMedia: Edubuntu 15.10 "Wily Werewolf" - Alpha amd64
>> (20150819)
>>   PackageArchitecture: all
>>   SourcePackage: alsa-driver
>>   Symptom: audio
>>   Symptom_Card: Built-in Audio - Intel 82801AA-ICH
>>   Symptom_Type: Volume slider, or mixer problems
>>   Title: [ICH - Intel 82801AA-ICH, playback] volume slider problem
>>   UpgradeStatus: No upgrade log present (probably fresh install)
>>   dmi.bios.date: 12/01/2006
>>   dmi.bios.vendor: innotek GmbH
>>   dmi.bios.version: VirtualBox
>>   dmi.board.name: VirtualBox
>>   dmi.board.vendor: Oracle Corporation
>>   dmi.board.version: 1.2
>>   dmi.chassis.type: 1
>>   dmi.chassis.vendor: Oracle Corporation
>>   dmi.modalias:
>> dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
>>   dmi.product.name: VirtualBox
>>   dmi.product.version: 1.2
>>   dmi.sys.vendor: innotek GmbH
>>
>> To manage notifications about this bug go to:
>>
>> https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1487168/+subscriptions
>>
>
>