Le lundi 26 janvier 2015 13:09:06 Lars-Peter Clausen a écrit :

On 01/23/2015 03:34 PM, a.renault@kaptalia.com wrote:

...

Hi everyone,

I currently facing the following issue :

My sound crackling after 6.45 hours of music without reinitialization.

I am using sdl-mixer, sdl and alsa.

I deployed a bug on libsdl at the address : https://bugzilla.libsdl.org/show_bug.cgi?id=2794 And after some works we discover that the snd_pcm_writei answer "-1073741824".

The error code "-1073741824" is not one of -EINTR, -EPIPE, -ESTRPIPE, -EAGAIN. So "snd_pcm_recover" does not handle anything.

If you are brave enought please take a look at the link,

Any idea would be greatly appreciated.

Hi,

What's your hardware. Can you run the alsa-info.sh[1] script and send the output to the mailing list?

Hi,

First of all, I had to comment the lspci part of the script because I am using busybox on my imx6. (Did not found a way to add it :S)

Then I have got this card : http://www.msc-technologies.eu/products/boards/qseven/msc-q7-imx6.html with a Wolfson WM9711.

I hope the log file will be enough, Best regards,

Thanks,

• Lars

[1] http://www.alsa-project.org/main/index.php/Help_To_Debug

On 01/26/2015 03:44 PM, Fabio Estevam wrote:

On Mon, Jan 26, 2015 at 12:41 PM, a.renault@kaptalia.com a.renault@kaptalia.com wrote:

...

First of all, I had to comment the lspci part of the script because I am using busybox on my imx6. (Did not found a way to add it :S)

Then I have got this card : http://www.msc-technologies.eu/products/boards/qseven/msc-q7-imx6.html with a Wolfson WM9711.

Which kernel version are you using? Can you try 3.19-rc6 or at least 3.18.3?

This seems to be a vendor kernel based on 3.0 with custom audio drivers. As Clemens said this is most likely a driver bug. So I guess there is not that much we can do.

- Lars