[alsa-devel] Fwd: Overrun Errors - SAM9G

[Bo Shen]

Hi Akshay,

On 07/17/2014 08:54 PM, Akshay Mishra wrote:
> Hello,
>      I am trying a simple alsa capture on the Atmel ARM9 (SAM9G45). While
> only capture runs fine, putting any os call on the same thread gives XRUNs.
>
> Even a innocent usleep(1) seems to lead to regular XRUNs. Eventually I want
> to dump this capture on the serial port and I am not able to get past this.

Do you test with alsa utils. If yes, where you add the usleep(1) in code?

> I have tried on AT91 linux as well as on kernel 3.10.10-rt7 with no success.

I try both kernel and don't reproduce this issue with alsa utils.

> Please advice,
> Akshay

Best Regards,
Bo Shen