Messages in this thread | | | From | Fawad Lateef <> | Date | Wed, 17 May 2017 15:40:10 +0200 | Subject | Re: Question regarding RT patches for ARM |
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Hi,
On 15 May 2017 at 16:20, Fawad Lateef <fawadlateef@gmail.com> wrote: > Hi Eric, > > > On 15 May 2017 at 16:12, Eric Nelson <eric@nelint.com> wrote: >> Hi Fawad, >> >>> 发自网易邮箱大师 >>> 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 >> > > Thanks for the patch link. I will give it a try.
Talked to hardware manufacturer and they applied the patch.
Still that SDMA is only used for NOR flash and only u-boot and its environment are stored in nor flash. So not sure if that is going to help in any case.
So I would really like few more suggestions OR confirmations about ARM (cortex-A9 based imx6) (preemept)-RT support/patches are stable and can be used for final products.
Thanks
> >> Regards, >> >> >> Eric > > Regards, > > Fawad Lateef
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