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Canonical Pledges to Fully Support Ubuntu Linux on All Raspberry Pi Boards

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Linux
Ubuntu

When they released the Ubuntu 19.10 (Eoan Ermine) operating system series last month, Canonical said that Raspberry Pi's Foundation's latest Raspberry Pi 4 boards will be official supported. However, Ubuntu 19.10 ships with a Linux kernel bug that blocks the use of USB ports out of the box in the official arm64 image on the Raspberry Pi 4 SBC with 4GB RAM.

There's a temporary workaround to enable USB on Raspberry Pi 4 boards with 4GB RAM, which involves editing the /boot/firmware/usercfg.txt file to limit the RAM to 3GB instead of 4GB by adding the "total_mem=3072" line (without quotes). Canonical is currently working hard to test kernel patches for this bug, which should soon be released for everyone.

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Fix for Raspberry Pi 4 4GB model’s USB Ports not Working

  • Fix for Raspberry Pi 4 4GB model’s USB Ports not Working on Ubuntu 19.10

    Ubuntu 19.10 server was recently released with official support for Raspberry Pi 4 SBC. Shortly after I read stories about the USB ports not working on the board, but it took another interesting turn as Canonical now explains the bug only affects RPI 4 with 4GB RAM, and USB works just fine on boards with just 1/2GB RAM.

    The issue has been identified and it’s been found to be a kernel bug with a solution in the works that being tested. In the meantime, you can access to your Raspberry Pi 4 4GB USB ports by limiting the memory to 3GB in /boot/firmware/usercfg.txt as follows...

Ubuntu Publishes Support Roadmap for the Raspberry Pi 4

  • Ubuntu Publishes Support Roadmap for the Raspberry Pi 4

    The future of Ubuntu on the Raspberry Pi 4 is looking pretty fresh, with Canonical unveiling a new roadmap outlining official support.

    October’s Ubuntu 19.10 release brought with it official version of the OS tailored for the majority of the Raspberry Pi family, including 32-bit builds for Rpasberry Pi 2, 3 and 4, and a 64-bit build for the latter.

    But Canonical isn’t stopping there.

    Raspberry Pi Ubuntu 18.04 LTS support is also planned for the near future. This will likely materialise around the time of the next point release/HWE update, which comes with the Linux 5.3 kernel.

    Presently, Ubuntu 19.10 supports both the 1GB RAM and 2GB Raspberry Pi 4 boards. A bug (soon-to-be-fixed) hampers Ubuntu’s performance on the 4GB model by nixing the (somewhat essential) USB ports!

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