Re: Question regarding RT patches for ARM

[Eric Nelson]

Hi Fawad,

> åèçæéçåå
> On 05/15/2017 20:44, Fawad Lateef wrote:
>
> Hi All,
>
> I am working on custom i.MX6 quad hardware and using RT patches for
> almost latest stable kernel 4.9 and facing some weird system stall OR
> 'unhandled page fault - exceptions'.

I'm not sure about the unhandled page fault, but the stalls may be
because of the SDMA driver.

See this patch in the Freescale/NXP community for kernel 4.1:
https://github.com/Freescale/meta-freescale/blob/master/recipes-kernel/linux/linux-fslc-imx-rt/0003-Work-around-CPU-stalls-in-the-imx-sdma-driver.patch

Regards,


Eric