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I’m following the setup guide (here). Everything works up to the point of installing the PPA packages. I get the following output: \n  \nAlso, the following output from uname -a is different from the one in the guide: \n&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":674,"like_count":1,"has_summary":false,"last_poster_username":"Woojae","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":141,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":23,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":169,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":170,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":249,"primary_group_id":null,"flair_group_id":null}]},{"id":578,"title":"  Rubik Pi 3 Ubuntu Server 24.04 Vulkan fails with qcom-adreno1: loader   interface v3 but ICD advertises Vulkan 1.2","fancy_title":"  Rubik Pi 3 Ubuntu Server 24.04 Vulkan fails with qcom-adreno1: loader   interface v3 but ICD advertises Vulkan 1.2","slug":"rubik-pi-3-ubuntu-server-24-04-vulkan-fails-with-qcom-adreno1-loader-interface-v3-but-icd-advertises-vulkan-1-2","posts_count":15,"reply_count":11,"highest_post_number":15,"image_url":null,"created_at":"2026-03-26T05:55:51.344Z","last_posted_at":"2026-05-22T12:04:46.755Z","bumped":true,"bumped_at":"2026-05-22T12:04:46.755Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hi, \nI am testing Vulkan on a Rubik Pi 3. \nEnvironment \n\nBoard: Rubik Pi 3\nOS: Ubuntu Server 24.04.4\nKernel: 6.8.0-1064-qcom\nDate tested: March 24, 2026\n\nPackages \n\nqcom-adreno1: 1.838.2~1+repack1-0ubuntu3\nfirmware-qcom-&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":275,"like_count":1,"has_summary":false,"last_poster_username":"han","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":214,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":11,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":218,"primary_group_id":null,"flair_group_id":null}]},{"id":605,"title":"Unable to Setup Canonical Ubuntu on Rubik Pi","fancy_title":"Unable to Setup Canonical Ubuntu on Rubik Pi","slug":"unable-to-setup-canonical-ubuntu-on-rubik-pi","posts_count":18,"reply_count":16,"highest_post_number":19,"image_url":null,"created_at":"2026-04-26T23:18:06.945Z","last_posted_at":"2026-05-22T10:13:38.356Z","bumped":true,"bumped_at":"2026-05-22T10:13:38.356Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hello, \nI am simply trying to setup my Rubik Pi per the user manual. However, after connecting via the UART terminal (using Windows) the passcode reset fails with ‘authentication token manipulation error’. I’m entering u&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":316,"like_count":0,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":228,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":11,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":233,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":608,"title":"RUBIK Pi 3 V02 — Cannot enter EDL mode","fancy_title":"RUBIK Pi 3 V02 — Cannot enter EDL mode","slug":"rubik-pi-3-v02-cannot-enter-edl-mode","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-04-28T19:09:20.850Z","last_posted_at":"2026-04-28T23:44:17.388Z","bumped":true,"bumped_at":"2026-04-28T23:44:17.388Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"I’m not able to enter EDL mode on my RUBIK Pi 3 (V02). Nothing appears in Device Manager when attempting it or Qualcomm Launcher. \nSymptoms: \n\nGreen heartbeat LED flashes\nUART: COM3 detected but no serial output\nSSH no l&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":92,"like_count":0,"has_summary":false,"last_poster_username":"rosh","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":230,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":11,"primary_group_id":null,"flair_group_id":null}]},{"id":601,"title":"SPI issue with Rubik Pi on Ubuntu","fancy_title":"SPI issue with Rubik Pi on Ubuntu","slug":"spi-issue-with-rubik-pi-on-ubuntu","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":null,"created_at":"2026-04-22T11:44:31.420Z","last_posted_at":"2026-04-23T06:05:41.124Z","bumped":true,"bumped_at":"2026-04-23T06:05:41.124Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hello, \nI am trying to communicate with an SPI device via spidev. \nWhen setting SPI mode 3, speed 31200000 (31.2MHz), the device doesn’t work. \nWhen changing to SPI mode 2, speed 15000000 (15MHz), the device can work. Ho&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":85,"like_count":0,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":219,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":589,"title":"Debug UART error","fancy_title":"Debug UART error","slug":"debug-uart-error","posts_count":2,"reply_count":0,"highest_post_number":2,"image_url":"https://community.rubikpi.ai/uploads/default/optimized/1X/0c7fbfa8fc4bfd12ad2592cd2addd23a0862f5c8_2_1024x747.jpeg","created_at":"2026-04-06T10:26:46.668Z","last_posted_at":"2026-04-07T08:50:38.798Z","bumped":true,"bumped_at":"2026-04-07T08:50:38.798Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"I got the issue with debug uart port. \nThis is the flow that I processed (board V02): \n\nConnect board (Uart and USB Type-C to host)\nUsing Qualcomm Launcher to flash Ubuntu (or Linux - tried both).\nAfter flashing successf&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":91,"like_count":1,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":220,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":577,"title":"non-NVME PCIE device not showing up in lspci","fancy_title":"non-NVME PCIE device not showing up in lspci","slug":"non-nvme-pcie-device-not-showing-up-in-lspci","posts_count":8,"reply_count":4,"highest_post_number":8,"image_url":null,"created_at":"2026-03-26T05:43:36.711Z","last_posted_at":"2026-03-30T11:26:08.935Z","bumped":true,"bumped_at":"2026-03-30T11:26:08.935Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"I have a similar issue regarding PCIE, where my m.2 pcie device is detected in Jetson, but not in Rubit pi. \nRelated discussion. \n\nubuntu@ubuntu:~$ uname -a\nLinux ubuntu 6.8.0-1051-qcom #51oem3-Ubuntu SMP PREEMPT_DYNAMIC&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":146,"like_count":2,"has_summary":false,"last_poster_username":"carl_90","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":215,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":23,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":11,"primary_group_id":null,"flair_group_id":null}]},{"id":553,"title":"IMX477 with 4 Data Lanes","fancy_title":"IMX477 with 4 Data Lanes","slug":"imx477-with-4-data-lanes","posts_count":9,"reply_count":5,"highest_post_number":9,"image_url":null,"created_at":"2026-02-28T18:24:55.040Z","last_posted_at":"2026-03-06T04:52:00.382Z","bumped":true,"bumped_at":"2026-03-06T04:52:00.382Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"How can the device tree / driver be updated to use 4 data lanes instead of 2?  I need higher bandwidth; I know the hardware exists for the 4 data lane connections.","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":222,"like_count":0,"has_summary":false,"last_poster_username":"rosh","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":199,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":123,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":11,"primary_group_id":null,"flair_group_id":null}]},{"id":494,"title":"Auto-Boot with Power On Not Working","fancy_title":"Auto-Boot with Power On Not Working","slug":"auto-boot-with-power-on-not-working","posts_count":12,"reply_count":9,"highest_post_number":12,"image_url":null,"created_at":"2026-01-16T20:28:19.015Z","last_posted_at":"2026-02-02T09:33:34.588Z","bumped":true,"bumped_at":"2026-02-02T09:33:34.588Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"My V02 RubikPi 3 doesn’t auto-boot when I connect power, I have to press the pwr button. I think it’s supposed to auto-boot, is that right? Is there anything I need to do to activate that feature?","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":306,"like_count":1,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":141,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":517,"title":"Board stocked in EDL mode","fancy_title":"Board stocked in EDL mode","slug":"board-stocked-in-edl-mode","posts_count":5,"reply_count":2,"highest_post_number":5,"image_url":null,"created_at":"2026-01-29T06:12:42.619Z","last_posted_at":"2026-01-30T05:52:52.784Z","bumped":true,"bumped_at":"2026-01-30T05:52:52.784Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hi, we follow your guide on one of the boards to flash into Ubuntu.  But during the process, it failed to flash the Renesas firmware.  After that, the board is stocked in EDL mode.  We have tried re-powered the board sev&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":104,"like_count":0,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":174,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":123,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":490,"title":"Ubuntu Installation","fancy_title":"Ubuntu Installation","slug":"ubuntu-installation","posts_count":8,"reply_count":4,"highest_post_number":9,"image_url":null,"created_at":"2026-01-16T03:04:33.756Z","last_posted_at":"2026-01-26T07:17:35.466Z","bumped":true,"bumped_at":"2026-01-26T07:17:35.466Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hello, \nI’ve been struggling to install Ubuntu for two days. \nAfter flashing Ubuntu with the Thundercomm Launcher and installing the ppa packages, the GUI screen shown in the guide doesn’t appear. (Upgrade Canonical Ubun&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":296,"like_count":1,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":177,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":141,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":484,"title":"Running a custom PyTorch model on the HTP NPU","fancy_title":"Running a custom PyTorch model on the HTP NPU","slug":"running-a-custom-pytorch-model-on-the-htp-npu","posts_count":4,"reply_count":2,"highest_post_number":4,"image_url":null,"created_at":"2026-01-14T16:24:20.959Z","last_posted_at":"2026-01-20T10:16:27.979Z","bumped":true,"bumped_at":"2026-01-20T10:16:27.979Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hi there, \nI am trying to run a PyTorch toy example model on Rubik Pi 3 (QCS6490) using the code found here. \nThe model was successfully compiled and downloaded, and I have a mobilenetv2.tflite file locally. \nNow I want &hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":182,"like_count":1,"has_summary":false,"last_poster_username":"Rashedkoutayni","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":"latest","description":"Original Poster, Most Recent Poster","user_id":176,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":356,"title":"How to give a user GPIO and SPI permissions?","fancy_title":"How to give a user GPIO and SPI permissions?","slug":"how-to-give-a-user-gpio-and-spi-permissions","posts_count":13,"reply_count":7,"highest_post_number":13,"image_url":null,"created_at":"2025-10-24T19:35:41.750Z","last_posted_at":"2026-01-19T06:15:10.580Z","bumped":true,"bumped_at":"2026-01-19T06:15:10.580Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"Hi, \nI am using the python periphery library to drive an eink display. currently I have to run my code with sudo permission everytime. I would like to give my user permanent gpio and spi permission. I know on Rpi 5 there&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":336,"like_count":1,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":117,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":11,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":119,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":171,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":481,"title":"GPIO access on a python virtual environment","fancy_title":"GPIO access on a python virtual environment","slug":"gpio-access-on-a-python-virtual-environment","posts_count":4,"reply_count":2,"highest_post_number":4,"image_url":null,"created_at":"2026-01-13T22:13:41.287Z","last_posted_at":"2026-01-15T08:31:54.279Z","bumped":true,"bumped_at":"2026-01-15T08:31:54.279Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"In the example here: 40-pin LS connector | RUBIK Pi Documentation, running the command python gpio.py give the error. \nperiphery.gpio.GPIOError: [Errno 13] Exporting GPIO: Permission denied \nhow can I fix periphery permi&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":94,"like_count":0,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":171,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":444,"title":"Main GPIO lines are on gpiochip4 instead of gpiochip0","fancy_title":"Main GPIO lines are on gpiochip4 instead of gpiochip0","slug":"main-gpio-lines-are-on-gpiochip4-instead-of-gpiochip0","posts_count":4,"reply_count":1,"highest_post_number":4,"image_url":null,"created_at":"2025-12-23T01:55:08.390Z","last_posted_at":"2025-12-24T03:48:13.372Z","bumped":true,"bumped_at":"2025-12-24T03:48:13.372Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"The lines exposed on the GPIO header of a Rubik Pi 3 seem to be part of the chip enumerated as gpiochip4 instead of gpiochip0 for the Linux character device GPIO API. The Raspberry Pi 5 was the same before raspberrypi/li&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":143,"like_count":1,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":159,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]},{"id":421,"title":"Can't use qnn npu","fancy_title":"Can&rsquo;t use qnn npu","slug":"cant-use-qnn-npu","posts_count":11,"reply_count":8,"highest_post_number":11,"image_url":null,"created_at":"2025-12-10T10:28:37.480Z","last_posted_at":"2025-12-16T02:37:53.517Z","bumped":true,"bumped_at":"2025-12-16T02:37:53.517Z","archetype":"regular","unseen":false,"pinned":false,"unpinned":null,"excerpt":"i’m trying to use rubik pi’s npu \nso following this page: \n\n\ncpu\n\nit works well \nINFO: Created TensorFlow Lite XNNPACK delegate for CPU. \nFound face: x=120, y=186, w=62, h=79, score=0.8306506276130676 \nFound face: x=311,&hellip;","visible":true,"closed":false,"archived":false,"bookmarked":null,"liked":null,"tags":[],"tags_descriptions":{},"views":350,"like_count":1,"has_summary":false,"last_poster_username":"kinkin","category_id":13,"pinned_globally":false,"featured_link":null,"posters":[{"extras":null,"description":"Original Poster","user_id":151,"primary_group_id":null,"flair_group_id":null},{"extras":null,"description":"Frequent Poster","user_id":23,"primary_group_id":null,"flair_group_id":null},{"extras":"latest","description":"Most Recent Poster","user_id":14,"primary_group_id":null,"flair_group_id":null}]}]}}