paulnasca

shdawson · Post by **shdawson** » Mon Oct 22, 2012 1:25 pm

Hi,

Installed ZynAddSubFX yesterday. All was fine. I shut down the machine. Today, no sound. Linux Mint 13. I see Sound Output is listed as "Dummy Output".

I am not a pro at this, so digging around on Google for info. I run:
lspci -v

I see.....
00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 03)
Subsystem: Sony Corporation Device 81bb
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at b0000000 (64-bit, non-prefetchable)
Capabilities: <access denied>
Kernel modules: snd-hda-intel

So, why do you think things died with the sound card? Please advise, as I do need the sound back by the end of today.

Thanks!
S

shdawson · Post by **shdawson** » Mon Oct 22, 2012 1:43 pm

Process to install ZynAddSubFX was I:
-install all dependencies via Synaptic Package Manger.
-complied the source from SourceForge.

Thinking this through, would it be best to uninstall the complied application?

Would that syntax be:
make uninstall

???

If so, I would be in the build folder when running this syntax, yes?

Please advise.

Thanks,
SHD

shdawson · Post by **shdawson** » Mon Oct 22, 2012 2:15 pm

Ran:
zynaddsubfx -I alsa -O alsa

...
Starting Audio: ALSA
ALSA lib pcm_hw.c:1401:(_snd_pcm_hw_open) Invalid value for card
unable to open pcm device: No such file or directory
ERROR: The default audio output failed to open!
Starting MIDI: ALSA
ALSA lib seq_hw.c:457:(snd_seq_hw_open) open /dev/snd/seq failed: Permission denied
ERROR: The default MIDI input failed to open!
WARNING - too late
WARNING - too late
WARNING - too late
...

Permissions?

SHD

fundamental · Post by **fundamental** » Mon Oct 22, 2012 2:43 pm

> Thinking this through, would it be best to uninstall the complied application?
At this time, no uninstall functionality is available.
The easy way to get rid of it would be to manually remove the files mentioned in the make install.

If I remember, I will try to add a TODO entry to the tracker on this issue.

As per the soundcard issue, try running "aplay -l" to see what is happening there

This is definitely not a zyn issue, but it is likely some issue with ALSA

shdawson · Post by **shdawson** » Mon Oct 22, 2012 3:08 pm

Thanks.

aplay: device_list:252: no soundcards found...

No, as far as the make install files, would that be in the build folder? Or, are these now scattered throughout the hard drive?

If Alsa went sideways, why would there be permissions now being reflected in the previous material I posted?

Thanks for your help.

SHD

fundamental · Post by **fundamental** » Mon Oct 22, 2012 3:24 pm

It looks like some of the ubuntu scripts might have tried to be too smart for their own good.

If you get a message like

# [ 31.976160] ALSA hda_intel.c:1382: Codec #2 probe error; disabling it...
# [ 32.008451] ALSA hda_intel.c:1408: no codecs initialized

from "dmesg | grep hda_intel" (as root)

This might be the solution http://ubuntuforums.org/showthread.php?t=1307320

shdawson · Post by **shdawson** » Mon Oct 22, 2012 3:38 pm

Thanks for your help. It is much appreciated.

sudo dmesg | grep hda_intel
...returns me to the command prompt. I take it that means nothing is there.

Reading over the web page you sent, I agree....something is now off in Alsa, but I dunno what. One link posts out to:
http://www.unixmen.com/ac97-audio-controller/

I have OSS installed, per Synaptic.

The very last entry at:
http://ubuntuforums.org/showthread.php?t=1307320

...looks promising, but I am not skilled enough to mess a config file and hope.

What is the smartest and safest way to address an Alsa config problem? Do you think that Alsa could be blocking the entire sound card from loading?

Thanks,
SHD

fundamental · Post by **fundamental** » Mon Oct 22, 2012 4:00 pm

> What is the smartest and safest way to address an Alsa config problem?

I'm not entirely sure at the moment. :-/

shdawson · Post by **shdawson** » Mon Oct 22, 2012 4:04 pm

Oh, wow.

I went into Synaptic and searched for Alsa. I then selected everything that is installed, marked for re-installation, and installed. Shutdown, started back up. No sound.

If it is an alsa config file, would removing everything alsa, then installing again fix the problem? Or, is alsa necessary to boot the box.....in some way I am unaware of right now.

-S

fundamental · Post by **fundamental** » Mon Oct 22, 2012 4:33 pm

I don't recall what apt's policy is on leaving configuration files of uninstalled packages is, so I am not sure.
ALSA is definitely not needed for a system to boot, but I suspect a large number of applications depend on it, so completely removing it may result in some other fun issues.

shdawson · Post by **shdawson** » Mon Oct 22, 2012 4:39 pm

http://www.linuxquestions.org/questions ... ge-237772/

Looks like purge will do it.

I am guessing Synaptic option of "completely remove" does the same thing.

Regardless, if it is whacked, dunno what else to do. How much of alsa is necessary to run ZynAddSubFX?

-S

fundamental · Post by **fundamental** » Mon Oct 22, 2012 5:12 pm

> How much of alsa is necessary to run ZynAddSubFX?
Technically you do not need any graphical libraries or any sound libraries to run zynaddsubfx.
It tends to be considerably less fun to play with if you cannot hear or see it though...

shdawson · Post by **shdawson** » Mon Oct 22, 2012 5:15 pm

Yeah, I hear ya.....but not with alsa. HA!

Well, if you think uninstall with purge, then reinstall will do the trick to get this machine back to a working sound card, please let me know.

Thanks,
SHD

folderol · Post by **folderol** » Mon Oct 22, 2012 5:41 pm

Have you done any updates recently, or do you have ubuntu set to auto-update? Ubuntu does sometimes screw bits up when upgrading

When that happens I find the quickest cure is usually a re-install (provided your 'home' folder is on its own partition).

I can't offer much by way of help though, as I fell back to pure debian for all my machines some time ago

shdawson · Post by **shdawson** » Mon Oct 22, 2012 5:46 pm

All was working fine yesterday. I think the comment about the configuration is correct, that startup did something. Alsa is very much dead here.

stephen@SONY ~ $ sudo /etc/init.d/alsasound restart
[sudo] password for stephen:
sudo: /etc/init.d/alsasound: command not found
stephen@SONY ~ $ aplay -l
aplay: device_list:252: no soundcards found...
stephen@SONY ~ $ alsamixer
cannot open mixer: No such file or directory
stephen@SONY ~ $

That's means nothing is loaded, right? It shows alsa is installed in Synaptic.

Now, this listing of access denied and permissions, as I posted in the KVR forum, if the permissions are off.....that would prevent loading, which would prevent the need for alsa, yes?

paulnasca

KVR Audio

No more sound from sound card