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Rahul

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  1. Hi, Greatings for the team. Currently i am using Armbian Bionic Desktop image with my rockpro64. I went through this link for GPU supported libs installation- I can see there are libMali.so files in /usr/lib/aarch... folder. I also installed armnn from this link- https://developer.arm.com/solutions/machine-learning-on-arm/developer-material/how-to-guides/configuring-the-arm-nn-sdk-build-environment-for-tensorflow-lite/build-arm-nn And successfully done and tested. But when i am running on of my tenseflowlite based project, it is throughing error- Loaded model mobilenet_ssd.tflite resolved reporter nn version: 1.0.0 findAvailableDevices filename:libarmnn-driver.so d_info:256608 d_reclen:40s ERROR: The DDK is not compatible with any of the Mali GPUs on the system. The DDK was built for 0x860 r2p0 status range [0..15], but none of the GPUs matched: ##Exception: Could not initialize the CL runtime. Error description: clGetDeviceIDs. CL error code: -6 [E][ArmnnDriver]: ArmnnDriver: Failed to setup CL runtime: Could not initialize the CL runtime. Error description: clGetDeviceIDs. CL error code: -6. Device will be unavailable. [D][ArmnnDriver]: Register Service: armnn (version: 1.0.0)! [ERROR]: IDevice::getCapabilities returned the error DEVICE_UNAVAILABLE first invoked time: 488.432 ms Please suggest any solution related to this Mali GPUs issue. Will appreciate your help. Thanks.
  2. Hi, thanks for the reply. What is your power supply? You say "if the light comes back....." so are you using some kind of solar power? Why do you not want the systems to run continuously? Power supply is from standard 12v 5a adaptor. I want system to run continously as project requirement. I also suspect power supply can cause some system file corruption. But i am using adaptor power supply not Solar panel and this issue is with few devices not all. Will try Armbian OS also.
  3. Hi all experts, This is a serious issue for me as for one of the project i am using more than 20 numbers of rockpro64. I have installed them in my different locations of office. I have used two types of OS- *) LXDE-ubuntu-0.7.9-1067-arm64 *) bionic-containers-rockpro64-0.8.3-1141-arm64 Issue is- Whenever i flash these images to rockpro64, for some days autoboot works well such as if light goes and comes back then machines auto boot itself but after few days, auto boot does not happens with few machines and i have to press the "power button" to boot up. I thought with latest OS this issue will solve but same result with latest OS. Please suggest what can be the exact issue? is it OS related? if yes then why it is not happening in all the machines. Which OS should i use with rockpro64? Note- When i reflash the OS, then again auto boot happanes but again same result after few days. Eagerly waiting for the suggesstions. Thanks
  4. Hi, I am using rockpro64 board (based on rk3399 chip). OS- ubuntu18.04 linux. I am building a project that requires Vulkan support for gpu acceleration. Can someone please suggest how can i get vulkan driver for rk3399? Thanks.
  5. Hi, I am using rockpro64 "https://www.pine64.org/?product=rockpro64-4gb-single-board-computer" that uses Rockchip RK3399 Hexa-Core (dual ARM Cortex A72 and quad ARM Cortex A53) 64-Bit Processor. My simple application is to have a UART communication. When i run serial write with 1500000 Baudrate, then it works fine. But if i lower the baudrate such as 115200, then it throws garbage value. So can i get some suggestions here? Thanks.
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