Migrate to 64-bit Raspberry Pi OS #335

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1. Lohrer commented on Jun 3, 2022

   

   Lohrer

   on Jun 3, 2022

   Last edited by Lohrer

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   Tested running:

   sudo apt update
   sudo apt upgrade
   sudo apt full-upgrade
   sudo rpi-update
   

   Audio playback (spotify to a single zone was tested) still works after reboot.

   Then upgraded to a 64-bit kernel by putting arm_64bit=1 in /boot/config.txt. Stuff still works! So now there's a 64-bit kernel and 32-bit system, and everything is up-to-date.

   Finally upgraded to the latest Raspberry Pi OS (from Debian Bullseye), first changed buster->bullseye in /etc/apt/sources.list and /etc/apt/sources.list.d/raspi.list. Then:

   sudo apt update
   sudo apt upgrade
   

   At this point I tried to run sudo apt full-upgrade but ran into the error

   • libc6-dev : Breaks: libgcc-8-dev (< 8.4.0-2~) but 8.3.0-6+rpi1 is to be installed

   Attempting to resolve:

   sudo apt remove libgcc-8-dev
   sudo apt full-upgrade
   sudo apt autoremove
   sudo apt autoclean
   

   At this point AmpliPi stopped working... And the config script doesn't recognize that we're on an armv7 architecture, which is correct. Now the kernel is running as aarch64, so the config script needs to be updated to recognize that. I temporarily forced the config script to accept that we are on an arm system and ran configure.py --os-deps --python-deps. Now everything is happy and AmpliPi works again! I suspect the switch from Python3.7->Python3.9 messed up the virtual environment.

   TODO: The system is still 32-bit.

   🎉React with 🎉1Reacted by brianhealey
2. stoppablemurph commented on Oct 23, 2022

   

   stoppablemurph

   on Oct 23, 2022

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   Forgive me if I sound dumb for asking, but what exactly is left to do here? I see "The system is still 32-bit", but I'm not sure what all would need to be done to resolve this.
3. linknum23 commented on Oct 24, 2022

   

   linknum23

   on Oct 24, 2022

   Last edited by Lohrer

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   The CM3 module has a 64-bit pi on it that we are running a 32-bit OS on.

   There are 2 mains tasks to do a 64-bit upgrade:

   • Test the AmpliPi software and of the existing streams
   • Determine an upgrade path for existing system. Can it be as simple as an upgrade? Unlikely, but it is technically possible.

   The complicated part if finding an upgrade path that works and isn't too cumbersome for the user..
4. Lohrer commented on Oct 25, 2022

   

   Lohrer

   on Oct 25, 2022

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   @stoppablemurph, "system is 32-bit" means all userspace packages are still 32-bit. Turns out trying to change an entire running OS from 32-bit to 64-bit on-the-fly is tricky and error-prone 😆

   The other option for ending up with a 64-bit system would require flashing an entire pre-made image on the Pi through the service USB port, like we do at MicroNova before shipping. Not impossible, but certainly a lot more annoying than pressing a button.
5. rtertiaer

   added this to the 0.5.0 milestone on Jan 2, 2024
6. rtertiaer

   added

   enhancementNew feature or requestNew feature or request

   streamingDigital audio streams, streaming services (ie Pandora), and related pluginsDigital audio streams, streaming services (ie Pandora), and related plugins

   dependenciesPull requests that update a dependency filePull requests that update a dependency file

   developer-experienceSomething that speaks to improving the developer's experienceSomething that speaks to improving the developer's experience

   securityThe issue describes a security issue or improvementThe issue describes a security issue or improvement

   tech-debtPays down tech debtPays down tech debt

   stabilityImproves stability of the platformImproves stability of the platform

   supportImproves our ability to support our platformImproves our ability to support our platform

   on Aug 16, 2024
7. SteveMicroNova

   linked a pull request that will close this issueRaspbian trixie #1106on Sep 18, 2026