Bit = 1 ID0 ID1 ID2 ID3 ID4 ID5 ID6 ID7 ID8 ID9
Function Dedicated Mic
PCM In Channel
Modem Line Codec Support
Bass and Treble Control
Simulated Stereo (Mono to Stereo)
Headphone Out Support
Loudness (Bass Boost) Support
18-Bit DAC Resolution
20-Bit DAC Resolution
18-Bit ADC Resolution
to avoid the driver rename master playback volume to master surround,
you need to specify
ac97->spec.ad18xx.lo_as_master = 1;
only for the enumerated ad1980 codec inside virtualbox
static int patch_ad1888(struct snd_ac97 * ac97)
{
unsigned short misc;
> I would also guess that it is not likely that Virtual Box is the direct
cause because the list of work distros runs on the same Virtualbox platform
that serves the failing distros.
NO, the change of enumerated ac97 codec from stac9200 to ad1980 in
virtualbox is the main cause of the problem
you have to specify component audio in your ticket
https://www.virtualbox.org/report/27?sort=version=0=1
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Title:
[Emulated AD1980 AC97 inside
pci :00:05.0: [8086:2415] type 00 class 0x040100
pci :00:05.0: reg 0x10: [io 0xd100-0xd1ff]
pci :00:05.0: reg 0x14: [io 0xd200-0xd23f]
you need to log all i/o ports read/write of those ich controller registers and
ac97 codec registers read/write
since real dell dimension 8400
five connectors for line-in, line-out, microphone, surround, and
center/Low Frequency Effects (LFE) channel; one front-panel connector
for headphones
refer to dell dimension 8400 specification
do you have any windows guest work with emulated ad1980 codec ?
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the easy work around is to use emulated hda instead of emulated ac97
specify snd-hda-intel model=intel-mac-v3
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa
/HD-Audio-Models.txt
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Hi Gene, if you need to have some virtualbox builds feel free to just ask me,
I'll upload all the patches you want to test in my ppa.
(I'll prefer to apply them on top of 5.0.2 if possible)
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I'm sorry, I don't know how to proceed with this issue.
Early on, you asked for Verbose Logging from Virtualbox. I supplied the
Machine Log for the failing Guest and I knew Verbose was probably Defaulted
to Off.
Since then, I have found the commands to change the running machine
"VBoxManage
you have to post the output of alsa-info.sh if enumerated hda does not
work as expected
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0,
My interpretation of this update is that I believe you are trying to
suggest that I apply this patch to correct a scaling problem with HDA,
Is that what you are trying to communicate?
Also, I understand that this code is or maybe broken but why are we working
on Intel HDA when the default ICH
Debug should already enable some logging, otherwise please read this page
https://www.virtualbox.org/wiki/VBoxLogging
it should help you in enabling what you need to trace the problem down.
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Hi Gene
>As to your offer of supplying latest patched to your ppa, I would take you
>up on that offer however I need help with the proper commands to get those
>changes into my environment. Not knowing all of the terminology, I was able
>to run the SVN commands to establish a development fork on
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_sigmatel.c?id=7c7767ebe2fa847c91a0dd5551ca422aba359473
ALSA: hda - Halve too large volume scales for STAC/IDT codecs
STAC/IDT codecs have often too large volume scales such as -96dB,
and exposing this as is
LocutusOfBorg, I am in desperate need of help on this issue in several
areas.
I would have hoped this would have been much easier to report and let you
experts work the issue however even though I can describe what I am seeing,
it is very difficult to supply the respective folks with enough
I have no idea what "the output of alsa-info.sh" is. Is this some sort of
Shell script that needs to be run?
If so, when do you run it,
a) One time only,
b)Before changing the Slider Position,
Giving me these short segments of details without specific instructions is
causing me to give up on
http://git.alsa-project.org/?p=alsa-
kmirror.git;a=commitdiff_plain;h=bb9a16dc52281d98dfb525552d29d8939845d8e2
it was this patch change master mono from mono to stereo
/* build master mono controls */
if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
-
as you should notice that driver use ac97->num to access different
codecs
iaputword(chip, reg + ac97->num * 0x80, val);
res = iagetword(chip, reg + ac97->num * 0x80);
but virutalbox does not response correctly when driver try to accesss
secodary ac97 codecs when it only emulate single
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1325308
this is dell dimension 8400 with ad1980 which virtualbox 5.0 try to
emulate
the difference of alsa-info between your and the real dell dimension
8400
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HW Params of device hw:0,0:
ACCESS: MMAP_INTERLEAVED RW_INTERLEAVED
FORMAT: S16_LE
SUBFORMAT: STD
SAMPLE_BITS: 16
FRAME_BITS: [32 96]
CHANNELS: [2 6]
RATE: 48000
the emulated intel8x0 claim to support 6 channels
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** Changed in: virtualbox
Status: Unknown = New
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider
problem
To
aplay -D hw:0,0 --dump-hw-params stereo.wav
this dump the channel max of the sound cardc driver
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Title:
[Emulated AD1980 AC97 inside Virualbox
** Bug watch added: Virtualbox Trac #14508
http://www.virtualbox.org/ticket/14508
** Also affects: virtualbox via
http://www.virtualbox.org/ticket/14508
Importance: Unknown
Status: Unknown
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I don't understand this response.
I am not an experienced programmer with respect to these platforms and have
no control what Virtual Box presents back to the OS.
I will say that this problem effects multiple distributions.
You should study the ad1980 datasheet
take a look at the functional
static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
unsigned short reg,
unsigned short val)
{
struct intel8x0 *chip = ac97-private_data;
+ dev_info(chip-card-dev, ac97 write %d - %.2x : %.4x\n, ac97-num,
the reason for no master playback volume/switch is
master rename as master surround but no headphone playback volume/switch
state.I82801AAICH {
control.1 {
iface MIXER
name 'Master Surround Playback Switch'
value.0 true
only virtualbox debug log can provide debug info about why emulated ich
controller support multi channel
case GLOB_CNT:
1470/* Global Control */
1471*pu32 = pThis-glob_cnt;
1472LogFlowFunc((glob_cnt - %#x\n,
if (pbus-pcms[0].r[0].slots (1 AC97_SLOT_PCM_SLEFT)) {
chip-multi4 = 1;
if (pbus-pcms[0].r[0].slots (1 AC97_SLOT_LFE)) {
chip-multi6 = 1;
if (chip-ac97[0]-flags AC97_HAS_8CH)
Attempting to attached two zip files. First logs and Screenshots from
Lubuntu 15.10 Distribution. Second is Logs and screenshots from Mate 15.10.
On Sat, Aug 29, 2015 at 3:11 AM, Raymond 1487...@bugs.launchpad.net
wrote:
if (pbus-pcms[0].r[0].slots (1 AC97_SLOT_PCM_SLEFT)) {
I'll attempt to describe the patterns and symptoms I am noticing and with a
subsequent email attach ScreenShot files to support those observations.
With this latest round of testing the Ubuntu 15.10 daily drops, most of
the distributions are behaving correctly in that Volume Slider does control
https://wiki.ubuntu.com/PulseAudio/Log
you have to post the pulseaudio verbose log in virtualbox 5.0 ad1980
find the dB range of analog outout path
since master surround playback volume is not defined in pulseaudio
analog-output-*.conf
https://www.virtualbox.org/changeset/55272/vbox/trunk/src/VBox/Devices/Audio/DevIchAc97.cpp
since it hardcode ad1980 on a dell machine, you may need patch in alsa
driver to prevent the swap of the master playback volume/switch and
headphone playback volume/switch
if (fChipAD1980)
{
you need virtualbox verbose log which provide debug messages printed by
LogFlowFunc()
the linux driver check those ad specific registers for multi codecs ,
and ADI compatiable mode
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/sound/pci/ac97/ac97_patch.c
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First, you dd not answer my question on whether or not I could attach the
files directly to this email and whether you would be able to get them or
do I need to upload them somewhere?
Second, I want to clarify the Verbose Log you want. Is that the Log from
Show Log CTRL+L? If so, I assume you
I discovered that the Volume Slider problem exists even after the clean
install of Virtual Box 5.0.2.
I have screenshots that document the errant behavior.
I am not used to submitting documentation for problems other than typing in
descriptive text when prompted.
Can I attach the screenshot
VirtualBox ticket 14508 created to report this issue. Any comments from the
Audio team can be submitted referencing that ticket number.
On Thu, Aug 27, 2015 at 3:34 AM, LocutusOfBorg
costamagnagianfra...@yahoo.it wrote:
Hi, can you please report then on the upstream Virtualbox ticket page?
or
** Changed in: virtualbox (Ubuntu)
Importance: Undecided = Medium
** Changed in: alsa-driver (Ubuntu)
Importance: Undecided = Medium
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Hi, can you please report then on the upstream Virtualbox ticket page?
or also the mail list might be good
https://www.virtualbox.org/newticket
cheers,
Gianfranco
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the count of master mono playback volume control is not stereo but mono
this is emulation bug of virtual box
control.3 {
iface MIXER
name 'Master Mono Playback Switch'
value.0 false
value.1 false
comment {
” Mono Volume Register (Index 06h) Reg No.Name
D15D14D13D12D11D10D9D8D7D6D5*D4D3D2D1D0
Default 06h
Mono Volume
MVM X X X X X X X X X MV5 MV4 MV3 MV2 MV1 MV0 8000h
*Refer to Table II for examples. This register controls the Mono output
volume and mute bit. The volume register contains five bits,
0:06 = bfbf
a real ad1980 won't return this value since only bit 15 and (bit 5 to bit 0)
are defined
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Title:
[Emulated AD1980 AC97 inside
** Changed in: virtualbox (Ubuntu)
Status: Invalid = Incomplete
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume
You made a lot of updates to this record and I cannot tell whether or not
you hit on issues that requires coding changes on the Ubuntu Audio side.
I did want to report that I seem to have found a resolution that I am
satisfied with.
To summarize, I mentioned that after backing off from Virtual
thanks for replying!
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider
problem
To manage notifications about this
** Changed in: virtualbox (Ubuntu)
Status: New = Invalid
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete = Invalid
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Title:
static DECLCALLBACK(int) ichac97IOPortNAMWrite(PPDMDEVINS pDevIns,
void *pvUser, RTIOPORT
Port, uint32_t u32, unsigned cb)
{
PAC97STATE pThis = (PAC97STATE)pvUser;
case 2:
{
https://forums.virtualbox.org/viewtopic.php?f=15t=68763
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider
problem
0:74 = 1000
1:74 = 4000
2:74 = 2000
the emulated ad1980 report different codec register mask
it make the alsa driver believe that there are three codecs
Serial Configuration Register (Index 74h)
REGM3 Slave 3 Codec Register Mask
REGM0 Master Codec Register Mask
REGM1 Slave 1 Codec Register
bit 5 LOSEL
LINE_OUT Amplifiers Input Select.
This bit allows the LINE_OUT output amplifiers to be driven by the mixer or the
surround DACs. The main purpose for this is to allow swapping of the front and
surround channels to make better use of the SURR/HP_OUT output amplifiers. This
bit
0:76 = 7c20
Miscellaneous Control Bit Register (Index 76h)
bit14 AC97NC
AC ’97 No Compatibility Mode.
This bit allows the surround, center, and LFE volume control registers and
output attenuators to operate in a more functional mode than defined by the
AC97 2.2 spec. This is called ADI
bit12 LODIS
Line_out Disable.
Disables the Line_out pins (L/R), placing them into High-Z mode so that the
assigned output audio jack can be shared for Line Input function.
0 = Line_out pins have normal audio drive capability (reset default).
1 = Line_out pins are placed into High-Z mode.
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
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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
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 genesoo77...@gmail.com
wrote:
I believe I have
https://www.virtualbox.org/changeset/55005/vbox/trunk/src/VBox/Devices/Audio/DevIchAc97.cpp
this patch intend to change rate from 48000Hz to 44100Hz
but the emuated ad1980 still using 48000Hz
Extended ID : codec=0 rev=2 DSA=0 VRM VRA
Extended status : VRM VRA
PCM front DAC : 48000Hz
PCM ADC
if you compare the amixer output of real ad1980 and emulated ad1980
the emulated ad1980 did not implement Master Playback Volume
Card hw:2 'ICH6'/'Intel ICH6 with AD1980 at irq 23'
Mixer name : 'Analog Devices AD1980'
Components : 'AC97a:41445370'
Controls : 40
Simple ctrls : 29
** Also affects: virtualbox (Ubuntu)
Importance: Undecided
Status: New
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback]
control.9 {
iface MIXER
name 'Master Playback Switch'
value.0 true
value.1 true
comment {
access 'read write'
type BOOLEAN
count 2
}
}
control.10 {
iface MIXER
name 'Master Playback Volume'
value.0 27
value.1 27
comment {
access 'read write'
I don't know how to proceed with the following recommendation:
you can select the emulated hda and stac9221 hda codec
When I get into the Audio Settings for this guest, I have two Pull Downs I
can control.
First is Host Audio Driver: Pulse Audio(Default), Null Audio Driver, OSS
Audio Driver,
Additional Comments regarding last change from Pulse Audio Driver to ALSA
Audio Driver.
Although this change did resolve the Volume Slider controlling both PCM and
Master output channels,
Extended playback using this driver causes instability in the playback
speed.
At first, the playback speed is
Testing Results for Kubuntu-KDE 15.10 Distribution.
Original Problem report was issued from Edubuntu 15.10 Daily.
I tried switching the Virtualbox Audio Hardware Driver from Pulse Audio to
ALSA Audio consistent with results for the Edubuntu distribution.
Monitoring alsamixer for Channel levels,
Last Update for tonight.
I understand it is monumentally difficult to support all of the varieties
of hardware that exist and because of that, I make myself available to test
or provide information for my specific operating environment.
For the most part, I expect that the OS packages that I
https://www.virtualbox.org/log/vbox/trunk/src/VBox/Devices/Audio/DevIchAc97.cpp?rev=57451
some of the above patches change the behaviour of emulated ac97 codec
the emulate ad1980 inside virtualbox does not work as same as a real ad1980
codec
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00:1e.2 Multimedia audio controller: Intel Corporation
82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 03)
!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!---
00:1e.2 0401: 8086:266e (rev 03)
Subsystem: 1028:0177
Extended ID : codec=0 rev=0 AMAP LDAC SDAC CDAC DSA=0 DRA VRA
Extended status : LDAC SDAC CDAC VRA
PCM front DAC : 48000Hz
PCM Surr DAC : 48000Hz
PCM LFE DAC : 48000Hz
PCM ADC : 48000Hz
the real ad1980 support multi channel
but the emulated ad1980 does not has SDAC, LDAC and CDAC
Extended
the previous emulated ac97 codec in virtualbox 3.x/4.x is stac9200
stereo codec
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback]
refer to virtualox 5.0.2 user manual
[--audionone|null|dsound|solaudio|oss|alsa|pulse| oss|pulse|coreaudio]
[--audiocontrollerac97|hda|sb16]
[--audiocodecstac9700|ad1980|stac9221|sb16]
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1) the logic of the enumlated ac97 is defined in ichac97SetVolume()
2) there are differences between real ad1980 and the emulated ad1980
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1325308
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Let me start out by asking an important question.
In the Generated Problem Report between Title and Bug Description is the
following statement.
Status in alsa-driver package in Ubuntu:
Incomplete
Is Audio support code still under development for this Volume Slider
function or should it be
sb16 is no longer supported by ubuntu since isa support was dropped
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider
I don't understand this response.
I am not an experienced programmer with respect to these platforms and have
no control what Virtual Box presents back to the OS.
I will say that this problem effects multiple distributions.
Particularly Kubuntu-KDE, Edubuntu, Lubuntu, Xubuntu.
Luckily, the
** Changed in: alsa-driver (Ubuntu)
Status: New = Incomplete
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Title:
[Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider
Lots of questions, I'll attempt to answer as best as I can.
First. Host OS Level:
uname -a
Linux gwsux79 3.13.0-62-generic #102-Ubuntu SMP Tue Aug 11 14:29:36 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux
Second, Sound Card/Sound Support: I don't understand the question about
Real Sound Card Support
it depend on how virtualbox 5.0 emulate ad1980 ac97
** Summary changed:
- [ICH - Intel 82801AA-ICH, playback] volume slider problem
+ [Emulated AD1980 AC97 inside Virualbox 5.0, playback] volume slider problem
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Bugs, which
those emulated sigmatel ac97 codec inside virtualbox 4.x support stereo
only
which host os are you using linux/windows ?
do you have a real sound card support 5.1 ?
which audio backend do your virtualbox5.0 using ?
it seem that the emulated ad1980 ac97 support multi channel
profiles:
https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Devices/Audio/DevIchAc97.cpp
any reason to use the emulated ac97 and ad1980 codec ?
you can select the emulated hda and stac9221 hda codec
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