the errors you are seeing is because the pins are not setup
pins get setup by using an overlay at boot time

verify the overlay you require is being loaded in /boot/uEnv.txt

as of any 4.x  kernel everything must be loaded at boot time from that file

the cape manager is not used


On 2/26/2018 6:51 AM, Konrad Russa wrote:
> Hi,
>
> I have changed kernel to 4.4 lts and there is no Error but still PRU
> issues are there:
>
> can't open: /sys/devices/platform/ocp/ocp:H18_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:C18_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:P9_22_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:P9_21_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:P9_26_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:P9_24_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:P9_30_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:P9_29_pinmux/state
> Pinmux: No such file or directory
> can't open: /sys/devices/platform/ocp/ocp:P9_31_pinmux/state
> Pinmux: No such file or directory
> WARNING: missing PINMUX driver
> You probbaly just need a newer kernel
>   FusedTaitBryan(deg) |   Accel XYZ (g)   |  Gyro XYZ (deg/s) |
>     7.1   -7.5    nan |  1.81  1.61  9.96 |  -0.3  -0.3   0.1 |
>
> Do you have any idea what should I check ? I appreciate any help.
>
> Cheers,
> Konrad
>
> 2018-02-26 8:30 GMT+01:00 Konrad Russa <konrad.ru...@gmail.com
> <mailto:konrad.ru...@gmail.com>>:
>
>     not sure, before I have flashed board with newest debian, 
>     then just installed libraries required to compile newest version
>     of opencv, 
>     then started to check cape capabilities and saw first issues.
>
>
>
>     2018-02-26 1:16 GMT+01:00 evilwulfie <evilwul...@gmail.com
>     <mailto:evilwul...@gmail.com>>:
>
>         Just a question. What led up to this issue ?
>         normally things dont go south unless you do something
>
>
>
>         On 2/25/2018 4:57 PM, Konrad Russa wrote:
>>         Hi,
>>
>>         seems there is something with omap ?
>>         I dont know (yet) what it is :/
>>
>>         [    0.472645] omap_hwmod: debugss: _wait_target_disable failed
>>         [    0.573125] omap4_sram_init:Unable to allocate sram needed
>>         to handle errata I688
>>         [    0.573141] omap4_sram_init:Unable to get sram pool needed
>>         to handle errata I688
>>
>>
>>
>>         -- 
>>         Pozdrawiam
>>         Konrad Russa
>
>
>
>
>     -- 
>     Pozdrawiam
>     Konrad Russa
>
>
>
>
> -- 
> Pozdrawiam
> Konrad Russa

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