Comments (5)
Hi @SimonW29
I will check out the instructions on Ubuntu 22.04 on Arm. I think most users have been doing it on non-Arm host machines, so there may be something different. I will also check the newest version.
Thanks for reporting the trouble you are having.
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Hello @SimonW29
I wasn't able to reproduce any problems on Arm systems. I don't have Pi 400 but tried similar Cortex-A72 boards running Ubuntu 22.04
To clean your build, you can remove the build-qemu-arm64
directory and follow the steps again by running source oe-init-build-env build-qemu-arm64
and then sed -i '/qemuarm64/s/^#//g' conf/local.conf
. This will give you a new config and you can build using bitbake core-image-minimal
.
Looks like you figured out to substitute 15 for 6 if you want version 4.0.15
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Thank you Jason
I've made some progress. The Pi400 isn't an ideal platform. It only has 4GBytes of RAM. The Image of Ubuntu 22.04 provided by https://www.raspberrypi.com/software/ works out of the box. However, it is configured with only 1Gbytes of swap memory. With only 5Gbytes total RAM the build runs out of memory and crashes. Restarting after that is unpredictable. Changing SWAP size to 8Gbytes - and enabling SS state build mirrors (uncomment in config) allows build to complete in about 4 hours. The result works.
I'll re-try building without SS Mirrors, and if using USB rather than uSD storage to see the difference in success and time. I think it would be viable to use an original Pi4 or Pi5 with 8Gbytes of RAM.
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@SimonW29 I'm going to close this issue. I don't see any problems with the instructions, but the build is certainly challenging in terms of disk space, processing performance, and memory.
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