[alsa-devel] Audio Driver Works In Ubuntu but Crash in Debian After 2nd Run

[Azizul Hakim]

Any suggestion please?

On Sat, Jun 13, 2015 at 11:18 PM, Azizul Hakim <azizulfahim2002 at gmail.com>
wrote:

> Dear altruists,
>
> I'm writing a sound card driver based on ALSA API. My driver works
> perfectly on Ubuntu 12.04, 13.10 and 14.04. There is no problem on how many
> times I play a sound file using my driver. Everything works great. But same
> driver has some issue on debian distribution.
>
>
> I've been trying to test it on BeagleBone and during the first run the
> driver works pretty well. But as soon as I play a second sound file, it
> crash. I thought may be I did something wrong in releasing resources after
> 1st run. But so far from my debugging it looks like there is no problem
> with resource release. Also same driver works on Ubuntu as many times as I
> test. I even tested with the same sound file.  On debian, I get the
> following message is kernel log-
>
> Apr 23 20:26:41 beaglebone kernel: [  183.631905] ALSA
> sound/core/pcm_lib.c:1910 playback write error (DMA or IRQ trouble?)
>
>
> It would be highly appreciated if I can get some suggestions on which
> direction I should try to resolve this issue. Is there any known issue with
> debian distribution or anyone faced similar kind of problem before?
>
>
> Thanks
> Azizul Hakim
>