Re: [PATCH 2/2] OMAP3: DMA: Errata: sDMA FIFO draining does not finish

Jarkko Nikula
2010-10-01T11:48:18Z

On Fri, 1 Oct 2010 14:43:45 +0300
Jarkko Nikula <jhnikula@gmail.com> wrote:

> Problem has been there probably quite some time but we were able to see
> it only after a proper use-case. Which is buffer overrun when doing
> audio recording only and after the commit c12abc0 (in 2.6.32).
>
Problem is also somewhat HW specific. The N900 unit I have stalls
almost immediately after the first overrun and dma stop but I haven't
been able to reproduce it on my BeagleBoard C2. N810 typically needs a
few overruns but stalls eventually.

--
Jarkko