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

So I've three possible scenario:

Driver didn't start the DMA: Not sure how to track on this point. Any suggestion?

Interrupt do not arrive correctly: Is this the hardware issue or ALSA issue?

.pointer callback is buggy: It makes some sense to me but I'm confused about it though. Will check on this point.

Thanks Azizul Hakim wrote:

kernel: ALSA sound/core/pcm_lib.c:1910 playback write error (DMA or IRQ

trouble?)

This message means that the playback position did not advance.

This typically indicates that your driver did not actually start the DMA, or that interrupts do not arrive correctly, or that your .pointer callback is buggy.

Regards, Clemens