On Tue, 14 Feb 2012 20:08:28 +0000 (GMT)
Patrick Dupre <patrick.dupre@york.ac.uk> wrote:

> You could try, as root,
> modprobe -v VT17xx
>
> FATAL: Module VT17xx not found.
>
> What provide such a m¶odule?
The sound driver modules are provided as part of the kernel. When the
kernel is compiled, the drivers are either compiled as part of it, or
more commonly, as modules so they can be loaded if necessary.

I run only custom compiled kernels here, so I don't have a stock Fedora
kernel to see what it does. I seem to recall that all sound drivers are
compiled as modules, which makes sense.
Run
modprobe -v -l | grep snd
to see which sound driver modules are available to you.
Try
modprobe -v -l | grep -i vt1
to see if the vt module is available. You might have to run the
command I gave above with the proper name for the module. Maybe it
should be snd-VT17xx or snd-vt17xx instead of the name I gave.

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The sound card works fine with fedora16 live, but not sound device is
detected with the installed fedora16.

This is the lsmod of fedora live:

snd_hda_codec_hdmi 21224 4
snd_hda_codec_via 29923 1
snd_hda_intel 20691 3
snd_hda_codec 73545 3
snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel

snd_hwdep 4821 1 snd_hda_codec
snd_seq 43428 0
snd_seq_device 5033 1 snd_seq
snd_pcm 63555 4
snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec

snd_timer 15209 2 snd_seq,snd_pcm
snd 48367 14
snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel ,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,sn d_pcm,snd_timer

soundcore 5027 1 snd
snd_page_alloc 6031 2 snd_hda_intel,snd_pcm


and the one of the installed fedora


snd_hda_codec_hdmi 36277 4
snd_hda_codec_via 46559 1
snd_hda_intel 33276 0
snd_hda_codec 114615 3
snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel

snd_hwdep 17611 1 snd_hda_codec
snd_seq 64807 0
snd_seq_device 14129 1 snd_seq
snd_pcm 97100 3
snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec

snd_timer 28815 2 snd_seq,snd_pcm
snd 74425 9
snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel ,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,sn d_pcm,snd_timer

soundcore 14484 1 snd
snd_page_alloc 18101 2 snd_hda_intel,snd_pcm


I do see only one difference is the snd_hda_intel 3 versus 0!
Is it the proble�, if yes, how to fix it?

There is no vt17xx module in any case.


Thank for your help.



On Tue, 14 Feb 2012, stan wrote:


On Tue, 14 Feb 2012 20:08:28 +0000 (GMT)

Patrick Dupre <patrick.dupre@york.ac.uk> wrote:


You could try, as root,
modprobe -v VT17xx

FATAL: Module VT17xx not found.

What provide such a m¶odule?

The sound driver modules are provided as part of the kernel. When the
kernel is compiled, the drivers are either compiled as part of it, or
more commonly, as modules so they can be loaded if necessary.

I run only custom compiled kernels here, so I don't have a stock Fedora
kernel to see what it does. I seem to recall that all sound drivers are
compiled as modules, which makes sense.
Run
modprobe -v -l | grep snd
to see which sound driver modules are available to you.
Try
modprobe -v -l | grep -i vt1
to see if the vt module is available. You might have to run the

command I gave above with the proper name for the module. Maybe it
should be snd-VT17xx or snd-vt17xx instead of the name I gave.

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Department of Chemistry | | Phone: (44)-(0)-1904-434384
The University of York | | Fax: (44)-(0)-1904-432516
Heslington | |
York YO10 5DD United Kingdom | | email: patrick.dupre@york.ac.uk
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On 15 February 2012 11:29, Patrick Dupre <patrick.dupre@york.ac.uk> wrote:
>
> The sound card works fine with fedora16 live, but not sound device is
> detected with the installed fedora16.
>
> This is the lsmod of fedora live:
>
> snd_hda_codec_hdmi * * 21224 *4
> snd_hda_codec_via * * *29923 *1
> snd_hda_intel * * * * *20691 *3
> snd_hda_codec * * * * *73545 *3
> snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel
> snd_hwdep * * * * * * * 4821 *1 snd_hda_codec
> snd_seq * * * * * * * *43428 *0
> snd_seq_device * * * * *5033 *1 snd_seq
> snd_pcm * * * * * * * *63555 *4
> snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
> snd_timer * * * * * * *15209 *2 snd_seq,snd_pcm
> snd * * * * * * * * * *48367 *14
> snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel ,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,sn d_pcm,snd_timer
> soundcore * * * * * * * 5027 *1 snd
> snd_page_alloc * * * * *6031 *2 snd_hda_intel,snd_pcm
>
>

>
> I do see only one difference is the snd_hda_intel 3 versus 0!
> Is it the probleÃm, if yes, how to fix it?
>

Well, it's a symptom, not the problem itself, it tells you nothing is
using snd_hda_intel on your installed system, but it is being used on
the live system.

I don't have this hardware, but see
http://www.mjmwired.net/kernel/Documentation/sound/alsa/HD-Audio-Models.txt
and step 4 of "If you have an Intel HDA card" at
http://fedorasolved.org/Members/fenris02/pulseaudio-fixes-and-workarounds
(aside: there is advice on that page to try cat-ing urandom to
/dev/dsp, isn't that potentially harmful?)

If you do "lspci -vv" on the live system you may be able to see what
option the module is being loaded with or selecting itself there. In
which case try that with the installed system. If that works then you
should probably file a bug against the snd_hda_intel module in Fedora
that the auto selection isn't working for your system. If aplay isn't
working it's an alsa problem, in which case your next step is to take
it to the alsa mailing list as there will almost certainly be someone
there who can figure out what the problem is.

--
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On 15 February 2012 14:04, Ian Malone <ibmalone@gmail.com> wrote:
> On 15 February 2012 11:29, Patrick Dupre <patrick.dupre@york.ac.uk> wrote:
>>
>> The sound card works fine with fedora16 live, but not sound device is
>> detected with the installed fedora16.
>>
>> This is the lsmod of fedora live:
>>
>> snd_hda_codec_hdmi * * 21224 *4
>> snd_hda_codec_via * * *29923 *1
>> snd_hda_intel * * * * *20691 *3
>> snd_hda_codec * * * * *73545 *3
>> snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel
>> snd_hwdep * * * * * * * 4821 *1 snd_hda_codec
>> snd_seq * * * * * * * *43428 *0
>> snd_seq_device * * * * *5033 *1 snd_seq
>> snd_pcm * * * * * * * *63555 *4
>> snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
>> snd_timer * * * * * * *15209 *2 snd_seq,snd_pcm
>> snd * * * * * * * * * *48367 *14
>> snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel ,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,sn d_pcm,snd_timer
>> soundcore * * * * * * * 5027 *1 snd
>> snd_page_alloc * * * * *6031 *2 snd_hda_intel,snd_pcm
>>
>>
>
>>
>> I do see only one difference is the snd_hda_intel 3 versus 0!
>> Is it the probleÃm, if yes, how to fix it?
>>
>
> Well, it's a symptom, not the problem itself, it tells you nothing is
> using snd_hda_intel on your installed system, but it is being used on
> the live system.
>
> I don't have this hardware, but see
> http://www.mjmwired.net/kernel/Documentation/sound/alsa/HD-Audio-Models.txt
> and step 4 of "If you have an Intel HDA card" at
> http://fedorasolved.org/Members/fenris02/pulseaudio-fixes-and-workarounds
> (aside: there is advice on that page to try cat-ing urandom to
> /dev/dsp, isn't that potentially harmful?)
>

Hmm, the VT1705 apparently needs 'auto'. That's probably still worth a
try, but is probably what's being used already, if it works in the
live CD but not the installed version it may be a bug between
different kernel versions.

> If you do "lspci -vv" on the live system you may be able to see what
To get options to modules:
systool -av -m snd_hda_intel

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It looks like that run setfacl -m u:user1:rw /dev/snd/*
fixed the problem.




On 15 February 2012 11:29, Patrick Dupre <patrick.dupre@york.ac.uk> wrote:

The sound card works fine with fedora16 live, but not sound device is
detected with the installed fedora16.

This is the lsmod of fedora live:

snd_hda_codec_hdmi * * 21224 *4
snd_hda_codec_via * * *29923 *1
snd_hda_intel * * * * *20691 *3
snd_hda_codec * * * * *73545 *3
snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel
snd_hwdep * * * * * * * 4821 *1 snd_hda_codec
snd_seq * * * * * * * *43428 *0
snd_seq_device * * * * *5033 *1 snd_seq
snd_pcm * * * * * * * *63555 *4
snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_timer * * * * * * *15209 *2 snd_seq,snd_pcm
snd * * * * * * * * * *48367 *14
snd_hda_codec_hdmi,snd_hda_codec_via,snd_hda_intel ,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,sn d_pcm,snd_timer
soundcore * * * * * * * 5027 *1 snd
snd_page_alloc * * * * *6031 *2 snd_hda_intel,snd_pcm






I do see only one difference is the snd_hda_intel 3 versus 0!
Is it the probleÃm, if yes, how to fix it?



Well, it's a symptom, not the problem itself, it tells you nothing is
using snd_hda_intel on your installed system, but it is being used on
the live system.

I don't have this hardware, but see
http://www.mjmwired.net/kernel/Documentation/sound/alsa/HD-Audio-Models.txt
and step 4 of "If you have an Intel HDA card" at
http://fedorasolved.org/Members/fenris02/pulseaudio-fixes-and-workarounds
(aside: there is advice on that page to try cat-ing urandom to
/dev/dsp, isn't that potentially harmful?)

If you do "lspci -vv" on the live system you may be able to see what
option the module is being loaded with or selecting itself there. In
which case try that with the installed system. If that works then you
should probably file a bug against the snd_hda_intel module in Fedora
that the auto selection isn't working for your system. If aplay isn't
working it's an alsa problem, in which case your next step is to take
it to the alsa mailing list as there will almost certainly be someone
there who can figure out what the problem is.

--
imalone
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---
================================================== ========================
Patrick DUPRÉ | |
Department of Chemistry | | Phone: (44)-(0)-1904-434384
The University of York | | Fax: (44)-(0)-1904-432516
Heslington | |
York YO10 5DD United Kingdom | | email: patrick.dupre@york.ac.uk
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I looks like that setfacl -m u:user1:rw /dev/snd/*
fixed the issue at least for user1

Thank for your help.

--
---
================================================== ========================
Patrick DUPRÉ | |
Department of Chemistry | | Phone: (44)-(0)-1904-434384
The University of York | | Fax: (44)-(0)-1904-432516
Heslington | |
York YO10 5DD United Kingdom | | email: patrick.dupre@york.ac.uk
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