[PATCH 3/3] echoaudio: Address bugs in the interrupt handling

[Giuliano Pochini]

On Wed, 1 Jul 2020 13:25:07 +0100 (BST)
Mark Hills <mark at xwax.org> wrote:

> On Mon, 29 Jun 2020, Giuliano Pochini wrote:
> 
> > Since I could not reproduce that problem before, except in some rare 
> > random circumstances, I'm not a good tester at all. At most I can say 
> > that your patch does not make things worse :)
> 
> What software are you using on the device, and are you using x86_64 and 
> dmix?
> 
> I think some issues might be exaggerated by dmix which has a unique way
> of opening the device several times. And then chromium exercises dmix a
> lot with all of its threads/forks. That would I presume be how it
> exercises races between pcm_pointer and interrupts.

x86_64 now. When I wrote the driver I had a powermac. I also can test it on
a x86_32 laptop with an Indigo-IO card.

I tested both plughw and dmix, but I don't use the latter often.


-- 
Giuliano.