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Raspberry pi not booting from updated kernel running Ubuntu 20.04. How to switch to updated kernel on Pi 4?

I am running Ubuntu Server 20.04 on a Raspberry Pi 4. I recently did a sudo apt update && sudo apt full-upgrade on my server and it (maybe unsucessfully) update my kernel version. When I run ...
DanRan's user avatar
  • 93
0 votes
0 answers
90 views

focal 20.04 kernel src missing files

index; https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux-raspi/+git/focal/ path; root/scripts/selinux/genheaders/genheaders.c code; line 18 #include "classmap.h" line 19 #include ...
Agan Simsek's user avatar
2 votes
0 answers
545 views

Installing real time patch for Ubuntu 20.04 on Raspberry Pi

I am trying to install a real time patch on Ubuntu 20.04 on a Raspberry Pi. Unfortunately none of my trials worked. Each of my attempts ends with the attached error message after trying to install the ...
binex6's user avatar
  • 21
0 votes
1 answer
637 views

Building kernel for Raspberry Pi Compute Module 4 with SATA Support fails

I am trying to compile a Kernel with SATA_AHCI and MARVELL Support for Ubuntu 20.04lts to run on a Raspberry Pi Compute Module 4. I have succeeded in doing this using RaspiOS. My SATA PCI Card with a ...
themetman's user avatar
0 votes
0 answers
626 views

Why Kernel does not upgrade despite enable HWE on Raspberry Pi 4?

I have installed Ubuntu Server 20.04 (64bit) on Raspberry Pi 4 almost a years ago. Then I have installed a update to 20.04.2 and enable HWE. But it does not upgrade kernel to 5.8. I have no idea why ...
KiYugadgeter's user avatar
2 votes
0 answers
2k views

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

Raspberry Pi 4 8GB Ubuntu 20.04.2 LTS Before this happened, I was able to run a bunch of Docker containers without an issue. However, my Pi suddenly stopped working (wasn't able to SSH into it, wasn'...
FishDetective's user avatar
1 vote
0 answers
509 views

How do I build Ubuntu 20.10 kernel and modules for Raspberry PI (aarch64)?

What I'm looking for is up to date instructions on how to install and build the Ubuntu 20.10 5.8.0-1015-raspi kernel and module?. Please note I don not want to compile the Raspberry PI OS kernel or ...
Simon Banks's user avatar
  • 1,480
0 votes
1 answer
231 views

Downloading 64-bit applications doesn't work on Ubuntu 20.04

I tried downloading a 64-bit Linux program onto my Raspberry Pi 4 running Ubuntu 20.04 and it does not work. I am attempting to install 'NI-488 Linux' on to the 64-bit computer and it isn't ...
Pierry Louiz's user avatar
0 votes
1 answer
566 views

Help understanding underlying reason of oom-killer kicking in

I'm running Ubuntu Server 20.04 fully up-to-date with a Raspberry Pi 4, 4GB of RAM (may be relevant or not, but system is running with an SSD through an USB3.0 port) as a low-power PC capable of ...
unreal4u's user avatar
0 votes
1 answer
440 views

debian/rules editconfigs fails on Raspberry Pi 4 with Ubuntu 20.04 aarch64

I'm trying to build a new kernel for Ubuntu 20.04 aarch64 on my Raspberry Pi 4. Following the instructions in BuildYourOwnKernel from the Ubuntu Wiki, I get the following at the sudo LANG=C fakeroot ...
John Duffy's user avatar
0 votes
1 answer
165 views

Ubuntu Wiki BuildYourOwnKernel Questions [closed]

I'm trying to build a new Ubuntu 20.04 Arm64 kernel for the Raspberry Pi 4 Model B using the Ubuntu Wiki BuildYourOwnKernel instructions and there is something that is puzzling me. If I add "+...
John Duffy's user avatar