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Linux/AM5708: RPmesg issue in a AM5708 based custom board

Jose Carlos Billalabeitia
Expert 2490 points

Part Number: AM5708

Tool/software: Linux

Hi:

We have a custom AM5708 based board with SDK Linux RT 5.00.00.15.

We have Linux starting up properly but when we run our user application we get the following messages:

[   11.486594] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   11.554435] Error: Driver 'virtio_rpmsg_bus' is already registered, aborting...
[   11.618668] rpmsg_init: failed to register virtio driver: -16


[   28.119070] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.154721] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.173505] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.173903] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.176595] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.203743] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.303867] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.306492] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.310457] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.343337] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.346690] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[   28.439763] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)


[  237.481508] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[  237.507820] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[  238.548195] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[  238.575398] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[  238.601375] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)
[  238.628769] rpmsg_core: exports duplicate symbol __register_rpmsg_driver (owned by kernel)

Regards

Billa

  • 0
    TI__Guru*** 125430 points
    Are you trying to talk between the A15 and DSP? Have you tried building and running one of the examples that comes with the Linux SDK?

    To build the examples:
    1. Install Linux SDK and RTOS SDK on your PC. By default when you install RTOS SDK on your Linux PC, the path will default to /home/user/ti. Side note: Personally I prefer to encapsulate the full release similar to how the Linux SDK is done, so I specify an installation path of /home/user/ti-processor-sdk-rtos-am57xx-evm-05.01.00.11. That way I can keep the different releases separate. By default, all the components get mixed together inside that /home/user/ti directory.
    2. In your Linux SDK root directory, edit Rules.make. Add a path to your RTOS SDK. In my case, I made the first line TI_RTOS_PATH=/home/user/ti-processor-sdk-rtos-am57xx-evm-05.01.00.11 to point to my custom install path.
    3. From your Linux SDK root directory run "make ti-ipc" and "make ti-ipc-linux-examples". The resulting output will be in the RTOS SDK folder inside ipc-x_yy_zz_zz/examples/DRA7XX_linux_elf. I recommend starting with the ex02_messageq example.

    Instructions on running these examples can be found here:

    software-dl.ti.com/.../Foundational_Components_IPC.html

    You'll need to scroll down a little bit to the "Running the Bundled IPC Examples" section.
  • 0 in reply to Brad Griffis
    Expert 2490 points

    We think that the issue is solved.