Hi, On 15 May 2017 at 16:20, Fawad Lateef <fawadlateef@xxxxxxxxx> wrote: > Hi Eric, > > > On 15 May 2017 at 16:12, Eric Nelson <eric@xxxxxxxxxx> 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 _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
