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ARM – Vim3-Pro – with EFI and Fedora 33..

Adventures With Linux ™ Posted on January 5, 2021 by RGJanuary 5, 2021

Recently acquired one of the Khadas VIM3-Pro arm64 SoCs, and was impressed with the level of documentation available.. Unfortunately – as is so often the case – this was all relentlessly Ubuntu-focussed, with a semi-proprietary kernel based on the 4.X kernel tree.. At least the U-Boot version was fairly recent, and appeared to support EFI etc.. The … Continue reading →

Posted in aarch64, arm, ARM64, Fedora, Hacks, hardware, kernel, Linux / ARM, U-Boot, UEFI | Tagged arm64, efi, fedora 33, khadas, success, u-boot, vim3-pro | Leave a reply

ARM64 – Fedora 33 Pre-release Kernel Boot Problem – and Workaround..

Adventures With Linux ™ Posted on August 26, 2020 by RGAugust 26, 2020

I have been testing Fedora 33 pre-release, and on x86_64 it seems relatively stable (usual caveats…) but on arm64 systems (Odroid N2 and Pi4) I found that after compiling a new kernel (5.8.3), the system booted, but login was impossible, and screen output was missing  (uart/console was OK). Kernels compiled with Fedora 32 all booted OK, and … Continue reading →

Posted in aarch64, ARM64, boot, compilation, Crash and Burn.., Fedora, Hacks, kernel, Linux / ARM, Odroid N2, Opinion | Tagged arm64, boot problem, cross-compile, fedora 33, kernel 5.8.3, login imposssible, modules not loading, timeout, workaround, x86_64 ok | Leave a reply

ARM64 – 8GB Pi4 – Fun with Fedora..

Adventures With Linux ™ Posted on July 18, 2020 by RGJuly 18, 2020

My 8GB Raspbery Pi 4 finally arrived, and I was looking forward to trying Fedora 32 and KDE/Plasma on it, and comparing it to the Odroid N2 from a few months back.. ( http://rglinuxtech.com/?p=2689 ) The Fedora 32 aarch64 install is supposed to support the Pi 4 now, but the resulting sdcard image failed to boot, with … Continue reading →

Posted in aarch64, compilation, Crash and Burn.., Fedora, Hacks, KDE, kernel, Linux / ARM, new install, Raspberry Pi 4 | Tagged 8gb, aarch64, fedora 32, fedora install, hybrid, kde/plasma too slow, opensuse efi substitute, opensuse u-boot, raspberry pi 4, success | Leave a reply

ARM64 – Odroid N2 – Latest U-Boot, Kernel 5.6-rc2, EFI, Fedora 31, Plasma/Wayland

Adventures With Linux ™ Posted on February 17, 2020 by RGFebruary 17, 2020

I have recently acquired an Odroid N2 (4GB) and managed – with some difficulty – to get it to run a ‘modern’ U-Boot, Kernel 5.6-rc2, with EFI support, and Fedora 31. This time, there were no clues from OpenSuse, and all the examples I found still used the ancient/custom Hardkernel u-boot and a kernel.img ‘blob. Fortunately, the … Continue reading →

Posted in aarch64, ARM64, Fedora, Hacks, kernel, Linux / ARM, Odroid N2, quirks, U-Boot, UEFI | Tagged arm64, efi, fedora 31, kernel 5.6-rc2, odroid n2, plasma/wayland, u-boot | 2 Replies

ARM – Original Hikey Updated and Fixed – with Gotchas..

Adventures With Linux ™ Posted on September 9, 2019 by RGSeptember 9, 2019

After successfully updating and re-configuring the Odroid C2 to use Fedora uefi/grub2 to boot, I decided to try to do the same to the even-older Hikey SOC. This already booted using fastboot with an older version of grub, with manual configuration, but I wanted to use the standard (Fedora) boot process. I had read that there was … Continue reading →

Posted in aarch64, arm, Fedora, fix, Hacks, Hikey, kernel, Linux, Opinion, UEFI | Tagged 6220, aarch64, arm64, boot, configuration, fedora, gotchas, grub, hikey, soc, uefi, workarounds | Leave a reply

ARM – Odroid C2 – Updated..

Adventures With Linux ™ Posted on August 19, 2019 by RGAugust 19, 2019

When the Odroid C2 was first released way back in 2016, I spent ages trying to get it to function correctly with a mainstream kernel, and tested innumerable development versions of U-Boot, including functionality that was working OK at that time, but that – for some reason – then failed to be included in the ‘mainstream’ U-Boot.. … Continue reading →

Posted in aarch64, Fedora, fix, grub, Hacks, Linux, Odroid C2, Opinion, quirks, U-Boot | Tagged fedora 30, odroid c2, opensuse, working u-boot with grub | Leave a reply

Fedora – F28 Upgrade on ARM64 – Fix for GPG Errors..

Adventures With Linux ™ Posted on July 6, 2018 by RGJuly 6, 2018

When doing a # dnf system-upgrade reboot on an ARM64 system you may encounter a stream of GPG errors, followed by reboot, without upgrade. To fix this, simply import the F28 GPG key in advance, as done for Rawhide: # rpm –import /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-28-primary After this, the system-upgrade should proceed correctly.. Robert Gadsdon.   July 6, 2018   … Continue reading →

Posted in aarch64, ARM64, Fedora, fix, Linux | Tagged aarch64, arm64, dnf system-upgrade, fedora, fix, gpg errors, workaround | 1 Reply

ARM64 – Fedora 27, UEFI and Pi3..

Adventures With Linux ™ Posted on December 12, 2017 by RGDecember 12, 2017

I decided – after some time – to do some more with the Raspberry Pi 3, and set it up as a small network print server.. As there was now an ‘official’ version of Fedora 27 for the Pi3, I decided to use this..   Details are here, and links to aarch64 images are near the bottom of … Continue reading →

Posted in aarch64, compilation, Fedora, Hacks, kernel, Linux, Linux / ARM, Opinion, Raspberry Pi, UEFI | Tagged aarch64, custom config, fedora 27, kernel, kernel 4.14.5, linux, pi3, uart console, uefi | Leave a reply

ARM64 – 4.14-rc1 Problems..?

Adventures With Linux ™ Posted on September 18, 2017 by RGSeptember 18, 2017

Kernel 4.14-rc1 has been stable on the x86_64 test system, but when I tried updating the Odroid C2 (ARM64) I saw a lot of mmc and other errors reported.. ………. [ OK ] Started File System Check on Root Device. Starting Remount Root and Kernel File Systems… mmcblk0: response CRC error sending r/w cmd command, card status … Continue reading →

Posted in aarch64, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged arm64, ethernet fails, kernel 4.14-rc1, mmc errors, odroid c2, read-only filesystem, reverted to 4.13.2 | 1 Reply

ARM64 – Odroid C2 – Patches for USB..

Adventures With Linux ™ Posted on January 18, 2017 by RGJanuary 18, 2017

Thanks to Heiner Kallweit for info on two USB patches for the Odroid C2, and thanks to John Youn for the patches themselves..  They can be found at http://www.spinics.net/lists/linux-usb/msg151687.html and http://www.spinics.net/lists/linux-usb/msg151688.html . I have applied these to Kernel 4.10-rc4 (including the Ethernet TX patch) and now USB is working, and detects/connects devices – sort of.. Plug in … Continue reading →

Posted in aarch64, ARM64, fix, Hacks, kernel, Linux / ARM, Odroid C2, Opinion, Performance | Tagged arm64, kernel, linux, odroid c2, patches, quirks, usb | 1 Reply

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