[alsa-devel] Microphone detected, but no output for all ASUS G751xx with ALC668 chipset

Connor McAdams conmanx360 at gmail.com
Wed Sep 12 18:42:36 CEST 2018


Could you try again and make a copy of your terminal output?

On Wed, Sep 12, 2018 at 12:41 PM, Håvard <hovardslill at gmail.com> wrote:
> Hi again.
> Sorry for not noticing all files were empty, did it not run for long enough?
>
> -Håvard
>
> Den ons. 12. sep. 2018 kl. 18:39 skrev Håvard <hovardslill at gmail.com>:
>>
>> Sorry my bad again it was working perfectly, just missed a step.
>>
>> I'll add the dumps as an attatchment. I had both external headset and
>> microphone plugged in and let the VM run in the background for ~30min while
>> doing other stuff. I did not play music or test my microphone in the VM
>> either, If i did anything wrong, please tell me!
>>
>> It stopped at 0x104f4
>>
>> -Håvard
>>
>> Den ons. 12. sep. 2018 kl. 00:31 skrev Connor McAdams
>> <conmanx360 at gmail.com>:
>>>
>>> Hm.... that's odd. They should show up in the folder you ran the
>>> command from. Does your console show any "DumpMem entered..." or
>>> something like that? You may have a permissions error. I've had some
>>> people report that as an issue before.
>>>
>>> On Tue, Sep 11, 2018 at 5:08 PM, Håvard <hovardslill at gmail.com> wrote:
>>> > Hi!
>>> >
>>> > Took a while, but I think I got it working. Did not see any "frame[xx]"
>>> > files though. What dumps do you want?
>>> >
>>> > -Håvard
>>> >
>>> > Den tir. 11. sep. 2018 kl. 21:27 skrev Håvard <hovardslill at gmail.com>:
>>> >>
>>> >> Sorry about that, I forgot to enable a kernel config...
>>> >>
>>> >> -Håvard
>>> >>
>>> >> Den tir. 11. sep. 2018 kl. 21:20 skrev Connor McAdams
>>> >> <conmanx360 at gmail.com>:
>>> >>>
>>> >>> When it's bound as a stub, it shouldn't show up in alsamixer
>>> >>> controls.
>>> >>> You can check what module is loaded by doing lspci -v . It should say
>>> >>> kernel driver in use: pci-stub. Also, did you run the vfio-bind
>>> >>> script
>>> >>> before trying it?
>>> >>>
>>> >>> On Tue, Sep 11, 2018 at 3:18 PM, Håvard <hovardslill at gmail.com>
>>> >>> wrote:
>>> >>> > Thank you for the offer!
>>> >>> >
>>> >>> > I run gentoo, but your github guide is very useful. I can't seem to
>>> >>> > bind my
>>> >>> > audio driver to a pci-stud. Is the Sound card still supposed to
>>> >>> > function as
>>> >>> > normal when I (think I) have bound it to a stud.
>>> >>> >
>>> >>> > -Håvard
>>> >>> >
>>> >>> > Den tir. 11. sep. 2018 kl. 20:26 skrev Connor McAdams
>>> >>> > <conmanx360 at gmail.com>:
>>> >>> >>
>>> >>> >> One thing you could try, is using the program I used to reverse
>>> >>> >> engineer the Sound Blaster Z series of cards, QemuHDADump. If your
>>> >>> >> processor supports pci-passthrough with a virtual machine, you
>>> >>> >> could
>>> >>> >> run a Windows virtual machine with the sound card in it and
>>> >>> >> capture
>>> >>> >> the commands. I'd be willing to look through the dumps to see if
>>> >>> >> there
>>> >>> >> are any special verbs or anything.
>>> >>> >>
>>> >>> >> You can find the program here:
>>> >>> >> https://github.com/Conmanx360/QemuHDADump
>>> >>> >>
>>> >>> >> Let me know.
>>> >>> >>
>>> >>> >> On Tue, Sep 11, 2018 at 2:15 PM, Håvard <hovardslill at gmail.com>
>>> >>> >> wrote:
>>> >>> >> > Sorry, my gmail didn't update so I wrote my response before I
>>> >>> >> > read
>>> >>> >> > your
>>> >>> >> > last one.
>>> >>> >> >
>>> >>> >> > It is a separate mic port as the G751JT doesn't have any headset
>>> >>> >> > multijacks.
>>> >>> >> >
>>> >>> >> > I'll try and dig around in the kernel! Thanks for the tip!
>>> >>> >> >
>>> >>> >> > -Håvard
>>> >>> >> >
>>> >>> >> > Den tir. 11. sep. 2018 kl. 20:09 skrev Håvard
>>> >>> >> > <hovardslill at gmail.com>:
>>> >>> >> >
>>> >>> >> >> Thank you for taking your time and trying to help! :)
>>> >>> >> >>
>>> >>> >> >> Do you know where I can ask around for more help on the issue?
>>> >>> >> >> I
>>> >>> >> >> don't
>>> >>> >> >> want to give up yet.
>>> >>> >> >>
>>> >>> >> >> -Håvard
>>> >>> >> >>
>>> >>> >> >> Den tir. 11. sep. 2018 kl. 20:02 skrev Takashi Iwai
>>> >>> >> >> <tiwai at suse.de>:
>>> >>> >> >>
>>> >>> >> >>> On Tue, 11 Sep 2018 19:14:37 +0200,
>>> >>> >> >>> Håvard wrote:
>>> >>> >> >>> >
>>> >>> >> >>> > Yes, microphone gets detected instantly and it automatically
>>> >>> >> >>> > changes
>>> >>> >> >>> > to
>>> >>> >> >>> it
>>> >>> >> >>> > in pavucontrol.
>>> >>> >> >>>
>>> >>> >> >>> Then it likely requires some additional initialization outside
>>> >>> >> >>> HD-audio.  It's hard to know, as it's pretty much
>>> >>> >> >>> vendor-specific.
>>> >>> >> >>> You can dig down the Windows, but I have no idea about Windows
>>> >>> >> >>> implementation, so can't give any hints, unfortunately.
>>> >>> >> >>>
>>> >>> >> >>>
>>> >>> >> >>> Takashi
>>> >>> >> >>>
>>> >>> >> >>> >
>>> >>> >> >>> > Den tir. 11. sep. 2018 kl. 18:52 skrev Takashi Iwai
>>> >>> >> >>> > <tiwai at suse.de>:
>>> >>> >> >>> >
>>> >>> >> >>> > > On Tue, 11 Sep 2018 18:40:23 +0200,
>>> >>> >> >>> > > Håvard wrote:
>>> >>> >> >>> > > >
>>> >>> >> >>> > > > Thank you for replying!
>>> >>> >> >>> > > >
>>> >>> >> >>> > > > Enabling loopback in alsamixer:
>>> >>> >> >>> > > > http://i.imgur.com/lNo6e7T.png
>>> >>> >> >>> > > >
>>> >>> >> >>> > > > And unmuting more and more things in "Mic Playback
>>> >>> >> >>> > > > Volume"
>>> >>> >> >>> > > > in
>>> >>> >> >>> > > hdaanalyzer:
>>> >>> >> >>> > > > http://i.imgur.com/H0HiOhy.png
>>> >>> >> >>> > > > made white noise come from the headset. However it did
>>> >>> >> >>> > > > not
>>> >>> >> >>> > > > change or
>>> >>> >> >>> > > react
>>> >>> >> >>> > > > at all when I talked or even muted the microphone
>>> >>> >> >>> > > > physically.
>>> >>> >> >>> > > >
>>> >>> >> >>> > > > I couldn't find "Mic Playback Switch" anywhere in either
>>> >>> >> >>> > > > alsamixer
>>> >>> >> >>> or
>>> >>> >> >>> > > > hdaanalyzer.
>>> >>> >> >>> > >
>>> >>> >> >>> > > It's a mixer mute switch.
>>> >>> >> >>> > >
>>> >>> >> >>> > > > The microphone works perfectly fine under Windows, so I
>>> >>> >> >>> > > > don't
>>> >>> >> >>> > > > think
>>> >>> >> >>> it is
>>> >>> >> >>> > > > the mic pin.
>>> >>> >> >>> > >
>>> >>> >> >>> > > But the fact above indicates the possibility of the wrong
>>> >>> >> >>> > > pin,
>>> >>> >> >>> > > too.
>>> >>> >> >>> > >
>>> >>> >> >>> > > Does the jack detection of the ext mic pin work?
>>> >>> >> >>> > >
>>> >>> >> >>> > >
>>> >>> >> >>> > > Takashi
>>> >>> >> >>> > >
>>> >>> >> >>> > > >
>>> >>> >> >>> > > > -Håvard
>>> >>> >> >>> > > >
>>> >>> >> >>> > > > Den man. 10. sep. 2018 kl. 22:39 skrev Takashi Iwai
>>> >>> >> >>> > > > <tiwai at suse.de
>>> >>> >> >>> >:
>>> >>> >> >>> > > >
>>> >>> >> >>> > > > > On Thu, 06 Sep 2018 20:44:30 +0200,
>>> >>> >> >>> > > > > Håvard wrote:
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > Additional relevant info:
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > A similar issue was also discussed three years ago
>>> >>> >> >>> > > > > > on
>>> >>> >> >>> > > > > > Sun
>>> >>> >> >>> > > > > > Jun
>>> >>> >> >>> > > 17:15:54
>>> >>> >> >>> > > > > CEST
>>> >>> >> >>> > > > > > 2015 and was about his surround sound setup, but did
>>> >>> >> >>> > > > > > not
>>> >>> >> >>> > > > > > touch
>>> >>> >> >>> on the
>>> >>> >> >>> > > > > > external microphone problem:
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > >
>>> >>> >> >>> > >
>>> >>> >> >>>
>>> >>> >> >>>
>>> >>> >> >>>
>>> >>> >> >>> http://mailman.alsa-project.org/pipermail/alsa-devel/2015-June/093317.html
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > alsa-info.sh:
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > >
>>> >>> >> >>> > >
>>> >>> >> >>>
>>> >>> >> >>>
>>> >>> >> >>>
>>> >>> >> >>> http://www.alsa-project.org/db/?f=1d8616ba5977308e03db6c3a86e36e9e9b38d6f0
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > Graph of ALC668 chipset from hdaanalyzer:
>>> >>> >> >>> > > > > > http://i.imgur.com/c08DNJW.png
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > setting alsa-mode[1-8] does nothing to help the
>>> >>> >> >>> > > > > > issue.
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > There are several of similar bug reports around the
>>> >>> >> >>> > > > > > web
>>> >>> >> >>> experiencing
>>> >>> >> >>> > > > > > similar issues, and on different distros.
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > Microphone works perfectly in windows
>>> >>> >> >>> > > > > >
>>> >>> >> >>> > > > > > I have a ASUS ROG G751JT, but this problem seems to
>>> >>> >> >>> > > > > > happen
>>> >>> >> >>> > > > > > with
>>> >>> >> >>> all
>>> >>> >> >>> > > > > laptops
>>> >>> >> >>> > > > > > under the G751 name.
>>> >>> >> >>> > > > >
>>> >>> >> >>> > > > > When you enable the loopback volume and switch, and
>>> >>> >> >>> > > > > unmute/adjust
>>> >>> >> >>> "Mic
>>> >>> >> >>> > > > > Playback Volume", and "Mic Playback Switch", do you
>>> >>> >> >>> > > > > hear
>>> >>> >> >>> > > > > the
>>> >>> >> >>> > > > > input
>>> >>> >> >>> > > > > from the ext mic?  It's a route directly from NID 0x18
>>> >>> >> >>> > > > > to
>>> >>> >> >>> > > > > the
>>> >>> >> >>> mixer
>>> >>> >> >>> > > > > NID 0x0b, then output mixer NID 0x0c, then outputs.
>>> >>> >> >>> > > > > So
>>> >>> >> >>> > > > > this
>>> >>> >> >>> > > > > can
>>> >>> >> >>> be
>>> >>> >> >>> > > > > used to verify the hardware routing.
>>> >>> >> >>> > > > >
>>> >>> >> >>> > > > > If you don't hear via this route, it means that the
>>> >>> >> >>> > > > > input
>>> >>> >> >>> > > > > from
>>> >>> >> >>> the ext
>>> >>> >> >>> > > > > mic pin itself is broken, and it implies that
>>> >>> >> >>> > > > > something
>>> >>> >> >>> > > > > outside
>>> >>> >> >>> > > > > HD-audio codec.
>>> >>> >> >>> > > > >
>>> >>> >> >>> > > > >
>>> >>> >> >>> > > > > Takashi
>>> >>> >> >>> > > > >
>>> >>> >> >>> > > > [2  <text/html; UTF-8 (quoted-printable)>]
>>> >>> >> >>> > > >
>>> >>> >> >>> > >
>>> >>> >> >>> > [2  <text/html; UTF-8 (quoted-printable)>]
>>> >>> >> >>> >
>>> >>> >> >>>
>>> >>> >> >>
>>> >>> >> > _______________________________________________
>>> >>> >> > Alsa-devel mailing list
>>> >>> >> > Alsa-devel at alsa-project.org
>>> >>> >> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel


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