mmotm 2010-08-11 - audio volume issues

mmotm 2010-08-11 - audio volume issues

[Valdis.Kletnieks]

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On Wed, 11 Aug 2010 16:10:49 PDT, akpm@linux-foundation.org said:
> The mm-of-the-moment snapshot 2010-08-11-16-10 has been uploaded to
> 
>    http://userweb.kernel.org/~akpm/mmotm/

Something appears to be borked in the ALSA arena.  There's no actual volume coming
out of the system, and 'alsamixer' is insisting that the volume slider only goes from 0
to 10% or so, no further.  However, experimentation shows that the volume slider
in 'xine' *does* affect the 'Amp-Out vals' lines, and alsamixer has *no* effect on
what 'Amp-Out vals' lists.

A diff of alsa-info.sh for the two kernels shows them being identical, so I'm only
attaching one copy.

It may be the weekend before I find time to do a bisection of this.

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upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.59
!!################################

!!Script ran on: Thu Aug 12 18:51:22 UTC 2010


!!Linux Distribution
!!------------------

Fedora release 15 (Finian) Fedora release 15 (Finian) Fedora release 15 (Finian) Fedora release 15 (Finian)


!!DMI Information
!!---------------

Manufacturer:      Dell Inc.
Product Name:      Latitude E6500                  


!!Kernel Information
!!------------------

Kernel release:    2.6.35-mmotm0811
Operating System:  GNU/Linux
Architecture:      x86_64
Processor:         x86_64
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     1.0.23
Library version:    1.0.23
Utilities version:  1.0.23


!!Loaded ALSA modules
!!-------------------



!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes

Jack:
      Installed - Yes (/usr/bin/jackd)
      Running - No


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xf6fdc000 irq 48


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)


!!Advanced information - PCI Vendor/Device/Susbsystem ID's
!!--------------------------------------------------------

00:1b.0 0403: 8086:293e (rev 03)
	Subsystem: 1028:024f


!!Loaded sound module options
!!--------------------------


!!HDA-Intel Codec information
!!---------------------------
--startcollapse--

Codec: IDT 92HD71B7X
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x111d76b2
Subsystem Id: 0x1028024f
Revision Id: 0x100302
No Modem Function Group found
Default PCM:
    rates [0x7e0]: 44100 48000 88200 96000 176400 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Default Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Default Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x02, mute=1
GPIO: io=8, o=0, i=0, unsolicited=1, wake=1
  IO[0]: enable=1, dir=1, wake=0, sticky=0, data=1, unsol=0
  IO[1]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[2]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[3]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[4]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[5]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[6]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[7]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
Power-Map: 0x00
Analog Loopback: 0x00
Node 0x0a [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x0000001c: OUT HP Detect
  Pin Default 0x0421101f: [Jack] HP Out at Ext Right
    Conn = 1/8, Color = Black
    DefAssociation = 0x1, Sequence = 0xf
  Pin-ctls: 0xc0: OUT HP
  Unsolicited: tag=01, enabled=1
  Connection: 3
     0x10 0x11* 0x17
Node 0x0b [Pin Complex] wcaps 0x400081: Stereo
  Control: name="Mic Jack Mode", index=0, device=0
    ControlAmp: chs=0, dir=In, idx=0, ofs=0
  Pincap 0x00001724: IN Detect
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x04a11221: [Jack] Mic at Ext Right
    Conn = 1/8, Color = Black
    DefAssociation = 0x2, Sequence = 0x1
  Pin-ctls: 0x24: IN VREF_80
  Unsolicited: tag=03, enabled=1
Node 0x0c [Pin Complex] wcaps 0x400081: Stereo
  Pincap 0x00001724: IN Detect
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x40f000f0: [N/A] Other at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
  Pin-ctls: 0x00: VREF_HIZ
  Unsolicited: tag=00, enabled=0
Node 0x0d [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x00000014: OUT Detect
  Pin Default 0x90170110: [Fixed] Speaker at Int N/A
    Conn = Analog, Color = Unknown
    DefAssociation = 0x1, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x00:
  Unsolicited: tag=00, enabled=0
  Connection: 3
     0x10* 0x11 0x17
Node 0x0e [Pin Complex] wcaps 0x400081: Stereo
  Control: name="Front Mic Jack Mode", index=0, device=0
    ControlAmp: chs=0, dir=In, idx=0, ofs=0
  Pincap 0x00001724: IN Detect
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x23a1902e: [Jack] Mic at Sep Left
    Conn = 1/8, Color = Pink
    DefAssociation = 0x2, Sequence = 0xe
  Pin-ctls: 0x24: IN VREF_80
  Unsolicited: tag=04, enabled=1
Node 0x0f [Pin Complex] wcaps 0x400181: Stereo
  Pincap 0x00000014: OUT Detect
  Pin Default 0x23014250: [Jack] Line Out at Sep Left
    Conn = 1/8, Color = Green
    DefAssociation = 0x5, Sequence = 0x0
  Pin-ctls: 0x00:
  Unsolicited: tag=02, enabled=1
  Connection: 3
     0x10* 0x11 0x17
Node 0x10 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Control: name="Front Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=63
  Control: name="Front Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Device: name="STAC92xx Analog", type="Audio", device=0
  Amp-Out caps: N/A
  Amp-Out vals:  [0x63 0x63]
  Converter: stream=0, channel=0
  Power: setting=D0, actual=D0
  Delay: 13 samples
Node 0x11 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
  Control: name="Headphone Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=63
  Control: name="Headphone Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: N/A
  Amp-Out vals:  [0x63 0x63]
  Converter: stream=0, channel=0
  Power: setting=D0, actual=D0
  Delay: 13 samples
Node 0x12 [Audio Input] wcaps 0x1d0541: Stereo
  Device: name="STAC92xx Analog", type="Audio", device=0
  Converter: stream=0, channel=0
  SDI-Select: 0
  Power: setting=D3, actual=D3
  Delay: 13 samples
  Connection: 1
     0x1c
  Processing caps: benign=0, ncoeff=0
Node 0x13 [Audio Input] wcaps 0x1d0541: Stereo
  Converter: stream=0, channel=0
  SDI-Select: 0
  Power: setting=D3, actual=D3
  Delay: 13 samples
  Connection: 1
     0x1d
  Processing caps: benign=0, ncoeff=0
Node 0x14 [Pin Complex] wcaps 0x400100: Mono
  Pincap 0x00000010: OUT
  Pin Default 0x40f000f0: [N/A] Other at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
  Pin-ctls: 0x00:
  Connection: 1
     0x16
Node 0x15 [Audio Selector] wcaps 0x300101: Stereo
  Connection: 3
     0x10* 0x11 0x17
Node 0x16 [Audio Mixer] wcaps 0x200100: Mono
  Connection: 1
     0x15
Node 0x17 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1
  Amp-In vals:  [0x97 0x97] [0x97 0x97] [0x97 0x97] [0x97 0x97] [0x97 0x97]
  Connection: 5
     0x10 0x11 0x27 0x1a 0x1b
Node 0x18 [Pin Complex] wcaps 0x40000d: Stereo Amp-Out
  Control: name="Digital Mic Capture Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x00000020: IN
  Pin Default 0x90a000f0: [Fixed] Mic at Int N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
  Pin-ctls: 0x20: IN
Node 0x19 [Pin Complex] wcaps 0x40000d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x00000020: IN
  Pin Default 0x40f000f0: [N/A] Other at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
  Pin-ctls: 0x00:
Node 0x1a [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
  Control: name="Mux Capture Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-Out vals:  [0x00 0x00]
  Connection: 3
     0x0b* 0x0c 0x0e
Node 0x1b [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
  Control: name="Mux Capture Volume", index=1, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-Out vals:  [0x00 0x00]
  Connection: 3
     0x0b* 0x0c 0x0e
Node 0x1c [Audio Selector] wcaps 0x30090d: Stereo Amp-Out R/L
  Control: name="Capture Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Capture Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x00, nsteps=0x0f, stepsize=0x05, mute=1
  Amp-Out vals:  [0x08 0x08]
  Connection: 4
     0x1a* 0x17 0x18 0x19
Node 0x1d [Audio Selector] wcaps 0x30090d: Stereo Amp-Out R/L
  Control: name="Capture Volume", index=1, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Capture Switch", index=1, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x00, nsteps=0x0f, stepsize=0x05, mute=1
  Amp-Out vals:  [0x80 0x80]
  Connection: 4
     0x1b* 0x17 0x18 0x19
Node 0x1e [Pin Complex] wcaps 0x400301: Stereo Digital
  Pincap 0x00000010: OUT
  Pin Default 0x4f0000f0: [N/A] Line Out at Ext UNKNOWN
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
  Pin-ctls: 0x00:
  Connection: 1
     0x24
Node 0x1f [Pin Complex] wcaps 0x400701: Stereo Digital
  Pincap 0x00010010: OUT EAPD
  EAPD 0x0:
  Pin Default 0x4f0000f0: [N/A] Line Out at Ext UNKNOWN
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
  Pin-ctls: 0x00:
  Power: setting=D0, actual=D0
  Connection: 2
     0x24* 0x25
Node 0x20 [Pin Complex] wcaps 0x400301: Stereo Digital
  Pincap 0x00000010: OUT
  Pin Default 0x40f000f7: [N/A] Other at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x7
  Pin-ctls: 0x00:
  Connection: 1
     0x25
Node 0x21 [Audio Output] wcaps 0x40211: Stereo Digital
  Converter: stream=0, channel=0
  Digital:
  Digital category: 0x0
  PCM:
    rates [0x7e0]: 44100 48000 88200 96000 176400 192000
    bits [0xe]: 16 20 24
    formats [0x5]: PCM AC3
  Delay: 4 samples
Node 0x22 [Audio Output] wcaps 0x40211: Stereo Digital
  Converter: stream=0, channel=0
  Digital:
  Digital category: 0x0
  PCM:
    rates [0x7e0]: 44100 48000 88200 96000 176400 192000
    bits [0xe]: 16 20 24
    formats [0x5]: PCM AC3
  Delay: 4 samples
Node 0x23 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x24 [Audio Selector] wcaps 0x300101: Stereo
  Connection: 3
     0x21* 0x1c 0x1d
Node 0x25 [Audio Selector] wcaps 0x300101: Stereo
  Connection: 3
     0x22* 0x1c 0x1d
Node 0x26 [Beep Generator Widget] wcaps 0x70000c: Mono Amp-Out
  Amp-Out caps: ofs=0x03, nsteps=0x03, stepsize=0x17, mute=1
  Amp-Out vals:  [0x00]
Node 0x27 [Pin Complex] wcaps 0x400000: Mono
  Pincap 0x00000020: IN
  Pin Default 0x40f000f0: [N/A] Other at Ext N/A
    Conn = Unknown, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
  Pin-ctls: 0x00:
Node 0x28 [Volume Knob Widget] wcaps 0x600000: Mono
  Volume-Knob: delta=1, steps=127, direct=1, val=127
  Connection: 2
     0x10 0x11
--endcollapse--



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Re: mmotm 2010-08-11 - audio volume issues

[Takashi Iwai]

At Thu, 12 Aug 2010 14:59:32 -0400,
Valdis.Kletnieks@vt.edu wrote:
> 
> On Wed, 11 Aug 2010 16:10:49 PDT, akpm@linux-foundation.org said:
> > The mm-of-the-moment snapshot 2010-08-11-16-10 has been uploaded to
> > 
> >    http://userweb.kernel.org/~akpm/mmotm/
> 
> Something appears to be borked in the ALSA arena.  There's no actual volume coming
> out of the system, and 'alsamixer' is insisting that the volume slider only goes from 0
> to 10% or so, no further.  However, experimentation shows that the volume slider
> in 'xine' *does* affect the 'Amp-Out vals' lines, and alsamixer has *no* effect on
> what 'Amp-Out vals' lists.
> 
> A diff of alsa-info.sh for the two kernels shows them being identical, so I'm only
> attaching one copy.

Hm, there shouldn't be a change regarding the volume control.
There can be an issue about PCM stream, e.g. in commit 
    eb541337b7a43822fce7d0c9d967ee149b2d9a96
    ALSA: hda - Make converter setups sticky

To be sure, could you try to revert it?  If it doesn't help but still
you get strange volume behavior, please get alsa-info.sh output at
different volume levels for comparison.


thanks,

Takashi

Re: mmotm 2010-08-11 - audio volume issues

[Jiri Slaby]

On 08/12/2010 08:59 PM, Valdis.Kletnieks@vt.edu wrote:
> On Wed, 11 Aug 2010 16:10:49 PDT, akpm@linux-foundation.org said:
>> The mm-of-the-moment snapshot 2010-08-11-16-10 has been uploaded to
>>
>>    http://userweb.kernel.org/~akpm/mmotm/
> 
> Something appears to be borked in the ALSA arena.  There's no actual volume coming
> out of the system, and 'alsamixer' is insisting that the volume slider only goes from 0
> to 10% or so, no further.  However, experimentation shows that the volume slider
> in 'xine' *does* affect the 'Amp-Out vals' lines, and alsamixer has *no* effect on
> what 'Amp-Out vals' lists.
> 
> A diff of alsa-info.sh for the two kernels shows them being identical, so I'm only
> attaching one copy.
> 
> It may be the weekend before I find time to do a bisection of this.

Didn't you (like some other people) get into the state where pulseaudio
doesn't work? It chooses as an output a dummy driver automatically, then
you can change volume, play sound, but actually it all goes to /dev/null.

It took me a while before I figured out that it's a "dummy" driver I
have in pulseaudio.

regards,
-- 
js

Re: mmotm 2010-08-11 - audio volume issues

[Takashi Iwai]

At Thu, 12 Aug 2010 23:06:22 +0200,
Jiri Slaby wrote:
> 
> On 08/12/2010 08:59 PM, Valdis.Kletnieks@vt.edu wrote:
> > On Wed, 11 Aug 2010 16:10:49 PDT, akpm@linux-foundation.org said:
> >> The mm-of-the-moment snapshot 2010-08-11-16-10 has been uploaded to
> >>
> >>    http://userweb.kernel.org/~akpm/mmotm/
> > 
> > Something appears to be borked in the ALSA arena.  There's no actual volume coming
> > out of the system, and 'alsamixer' is insisting that the volume slider only goes from 0
> > to 10% or so, no further.  However, experimentation shows that the volume slider
> > in 'xine' *does* affect the 'Amp-Out vals' lines, and alsamixer has *no* effect on
> > what 'Amp-Out vals' lists.
> > 
> > A diff of alsa-info.sh for the two kernels shows them being identical, so I'm only
> > attaching one copy.
> > 
> > It may be the weekend before I find time to do a bisection of this.
> 
> Didn't you (like some other people) get into the state where pulseaudio
> doesn't work? It chooses as an output a dummy driver automatically, then
> you can change volume, play sound, but actually it all goes to /dev/null.
> 
> It took me a while before I figured out that it's a "dummy" driver I
> have in pulseaudio.

Looks like there is a breakage regarding open/close due to fs/notify/*
changes.  I guess you can hear still sounds like:

	% aplay -Dplughw foo.wav


Takashi

Re: mmotm 2010-08-11 - audio volume issues

[Valdis.Kletnieks]

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On Thu, 12 Aug 2010 23:11:42 +0200, Takashi Iwai said:
> At Thu, 12 Aug 2010 23:06:22 +0200,
> Jiri Slaby wrote:
> > 
> > On 08/12/2010 08:59 PM, Valdis.Kletnieks@vt.edu wrote:
> > > On Wed, 11 Aug 2010 16:10:49 PDT, akpm@linux-foundation.org said:
> > >> The mm-of-the-moment snapshot 2010-08-11-16-10 has been uploaded to
> > >>
> > >>    http://userweb.kernel.org/~akpm/mmotm/
> > > 
> > > Something appears to be borked in the ALSA arena.  There's no actual volume coming
> > > out of the system, and 'alsamixer' is insisting that the volume slider only goes from 0
> > > to 10% or so, no further.  However, experimentation shows that the volume slider
> > > in 'xine' *does* affect the 'Amp-Out vals' lines, and alsamixer has *no* effect on
> > > what 'Amp-Out vals' lists.
> > > 
> > > A diff of alsa-info.sh for the two kernels shows them being identical, so I'm only
> > > attaching one copy.
> > > 
> > > It may be the weekend before I find time to do a bisection of this.
> > 
> > Didn't you (like some other people) get into the state where pulseaudio
> > doesn't work? It chooses as an output a dummy driver automatically, then
> > you can change volume, play sound, but actually it all goes to /dev/null.
> > 
> > It took me a while before I figured out that it's a "dummy" driver I
> > have in pulseaudio.
> 
> Looks like there is a breakage regarding open/close due to fs/notify/*
> changes.  I guess you can hear still sounds like:
> 
> 	% aplay -Dplughw foo.wav

Confirming that Linus's patch fixes it for me:

commit 2069601b3f0ea38170d4b509b89f3ca0a373bdc1
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Thu Aug 12 14:23:04 2010 -0700

    Revert "fsnotify: store struct file not struct path"
    
    This reverts commit 3bcf3860a4ff9bbc522820b4b765e65e4deceb3e (and the
    accompanying commit c1e5c954020e "vfs/fsnotify: fsnotify_close can delay
    the final work in fput" that was a horribly ugly hack to make it work at
    all).



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