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| ## page was renamed from Howto/RaspberryPI | |
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| This documentation is about using Raspberry Pi Foundation "downstream kernel" and components on a Fedora (or CentOS) userspace. As with Fedora, this process is compatible with Raspberry Pi 2 and later model (No original Raspberry Pi or Pi Zero support is planned). Unless using a Raspberry Pi 4 with 8Gio of RAM. It's recommended to use the 32bit version over the 64bit. For graphics usage, it's really recommended to have a Raspberry Pi 4 which default to the vc4/v3d driver. |
This documentation is about using Raspberry Pi Foundation [[https://github.com/raspberrypi/linux|downstream kernel]] and components from Fedora userspace. The Workstation flavor is recommended for the Raspberry Pi 4 B/400 with >=4GB RAM platform. The Server flavor is usable on starting from Raspberry Pi 3 B/B+. |
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| It's possible to use a Fedora official image as a base, then later install additional repositories. Or use the dedicated images. | == Kickstart files == Kickstart files are located at [[https://pagure.io/fork/dwrobel/fedora-kickstarts||fedora-kickstarts]] repository and are based on the original Fedora 36 files with the following modifications: || component || Repositories || comment || || kernel || [[https://github.com/dwrobel/kernel|spec]] / [[https://copr.fedorainfracloud.org/coprs/dwrobel/kernel-rpi/|copr]] || Downstream kernel || || bcm434xx-firmware || [[https://github.com/dwrobel/bcm434xx-firmware|spec]] / [[https://copr.fedorainfracloud.org/coprs/dwrobel/bcm434xx-firmware-rpi/|copr]] || || || bcm283x-firmware || [[https://github.com/dwrobel/bcm283x-firmware|spec]] / [[https://copr.fedorainfracloud.org/coprs/dwrobel/bcm283x-firmware-rpi/|copr]] || || || pykickstart || [[https://github.com/pykickstart/pykickstart/pull/275|PR]] / [[https://copr.fedorainfracloud.org/coprs/dwrobel/pykickstart/|copr]] || Adds --priority=<priority> || || livecd-tools || [[https://github.com/livecd-tools/livecd-tools/pull/134|PR]] / [[https://copr.fedorainfracloud.org/coprs/dwrobel/livecd-tools/|copr]] || Adds support for repository 'priority' configuration || The modifications in livecd-tools and pykickstart allows to generate image with selected downstream kernel (despite it has lower version) over the upstream one. On a system, all aforementioned repositories are installed with '''priority=50''' option to instruct 'dnf' to choose packages from this repository, rather then Fedora default. == Pre-built images (f37) == The location of pre-generated images for Fedora 36 can be found below: || Flavor || aarch64 || || Server || [[https://ufile.io/k5b2ue7v|image]] / [[https://ufile.io/1ueak1sj|checksum]] || || Workstation || [[https://ufile.io/8rj75z91|image]] / [[https://ufile.io/jofxy12i|checksum]] || == Pre-built images (f36) == The location of pre-generated images for Fedora 36 can be found below: || Flavor || aarch64 || || Server || [[https://ufile.io/c6n3zb9t|image]] / [[https://ufile.io/c4rpjloz|checksum]] || || Workstation || [[https://ufile.io/1y6cx8g3|image]] / [[https://ufile.io/tx17t1zi|checksum]] || == Updating Raspberry Pi 4 bootloader EEPROM == Follow the gist available at: [[https://gist.github.com/dwrobel/266ad5d4e59b05ea26d8bb6725118578|https://gist.github.com/dwrobel/266ad5d4e59b05ea26d8bb6725118578]]. |
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| == Using downstream kernel on Fedora == * For Fedora 32+ and CentOS 8: |
== Configurations == === Booting from external USB drive === Write the image to the external drive, then mount the filesystem and change '''root=/dev/mmcblk0p2''' to '''root=/dev/sda2''' in the '''/boot/efi/cmdline.txt'''. === Resizing filesystem === After booting the system, please consider to resize the filesystem. The following example assumes system booted from internal SD card. |
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| sudo dnf copr enable dwrobel/kernel-rpi sudo dnf install kernel #you might need to mention the extact kernel to use sudo dnf install kernel-rpi4 # for the raspberry-pi 4 |
sudo growpart -u on /dev/mmcblk0 2 sudo btrfs filesystem resize max / |
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| == Using RPM Fusion RPI Repositories on Fedora == * For Fedora 32 and later: |
=== Sysctl (RPi 3 only) === |
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| sudo dnf config-manager --add-repo=https://mirrors.rpmfusion.org/free/fedora/rpi/rpmfusion-rpi.repo sudo dnf install raspberrypi-vc-utils raspberrypi-vc-libs |
# set vm.min_free_kbytes for rpi cat>/etc/sysctl.d/98-rpi.conf<<EOF vm.min_free_kbytes = 16384 EOF |
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| == Known issues == | |
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| == Using dedicated RPI Images == * https://bintray.com/dwrobel/fda-images * https://pagure.io/fork/dwrobel/fedora-kickstarts |
=== uboot-tools prevents clean update of kernel packages === The "/usr/lib/kernel/install.d/10-devicetree.install" script from uboot-tools package prevents older kernel packages from being removed cleanly during update: {{{ Erasing : kernel-core-5.10.35-1.rpi.fc33.armv7hl warning: file /lib/modules/5.10.35-1.rpi.fc33.armv7hl/modules.builtin.alias.bin: remove failed: No such file or directory }}} To mitigate it run the following command: {{{ $ echo "FIRMWAREDT=True" | sudo tee /etc/u-boot.conf }}} |
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| === CMA memory allocation issue with graphics on the Pi3 using vc4 === The best is to disable vc4 (will be unaccelerated). |
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| == Known issue == * There is a CMA memory allocation issue with graphics on the Pi3 using vc4, best is to disable vc4 (will be un-accelerated). |
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| * You can report to our bugzilla, see [[ReportingBugs]] |
Contents
About this Howto
This documentation is about using Raspberry Pi Foundation downstream kernel and components from Fedora userspace. The Workstation flavor is recommended for the Raspberry Pi 4 B/400 with >=4GB RAM platform. The Server flavor is usable on starting from Raspberry Pi 3 B/B+.
Kickstart files
Kickstart files are located at https://pagure.io/fork/dwrobel/fedora-kickstarts repository and are based on the original Fedora 36 files with the following modifications:
The modifications in livecd-tools and pykickstart allows to generate image with selected downstream kernel (despite it has lower version) over the upstream one. On a system, all aforementioned repositories are installed with priority=50 option to instruct 'dnf' to choose packages from this repository, rather then Fedora default.
Pre-built images (f37)
The location of pre-generated images for Fedora 36 can be found below:
Pre-built images (f36)
The location of pre-generated images for Fedora 36 can be found below:
Updating Raspberry Pi 4 bootloader EEPROM
Follow the gist available at: https://gist.github.com/dwrobel/266ad5d4e59b05ea26d8bb6725118578.
Configurations
Booting from external USB drive
Write the image to the external drive, then mount the filesystem and change root=/dev/mmcblk0p2 to root=/dev/sda2 in the /boot/efi/cmdline.txt.
Resizing filesystem
After booting the system, please consider to resize the filesystem. The following example assumes system booted from internal SD card.
sudo growpart -u on /dev/mmcblk0 2 sudo btrfs filesystem resize max /
Sysctl (RPi 3 only)
# set vm.min_free_kbytes for rpi cat>/etc/sysctl.d/98-rpi.conf<<EOF vm.min_free_kbytes = 16384 EOF
Known issues
uboot-tools prevents clean update of kernel packages
The "/usr/lib/kernel/install.d/10-devicetree.install" script from uboot-tools package prevents older kernel packages from being removed cleanly during update:
Erasing : kernel-core-5.10.35-1.rpi.fc33.armv7hl warning: file /lib/modules/5.10.35-1.rpi.fc33.armv7hl/modules.builtin.alias.bin: remove failed: No such file or directory
To mitigate it run the following command:
$ echo "FIRMWAREDT=True" | sudo tee /etc/u-boot.conf
CMA memory allocation issue with graphics on the Pi3 using vc4
- The best is to disable vc4 (will be unaccelerated).
Bug Report
Downstream bugs on the kernel can be reported to https://github.com/raspberrypi/linux/