** Description changed: [ Impact ] The missing file contains configuration information for the WiFi chip used on certain versions of the Pi Zero 2W [ Test plan ] Given the Pi Zero 2W wifi is still capable of working without the specific .txt file (albeit less reliably) there's not much point testing that directly. Better to simply check that the symlink is no longer dead: * Flash a Ubuntu for Raspberry Pi to SD card * Boot it * file /usr/lib/firmware/brcm/brcmfmac43439-sdio.txt.zst * Observe symlink is broken * Enable proposed * sudo apt install -t resolute-proposed linux-firmware-raspi * file /usr/lib/firmware/brcm/brcmfmac43439-sdio.txt.zst * Check symlink is no longer reported as broken * Boot SD card on a Pi Zero 2W with the affected chipset * Configure wifi in /etc/netplan/50-cloud-init.yaml * sudo netplan apply * ping launchpad.net * Ensure wifi is still operational - [ Where things can go wrong ] + [ Where things could go wrong ] Obviously, messing with the firmware package carries the risk of breaking anything affected by that firmware. In this case, the change is to add a firmware configuration file for a wifi device only deployed on certain variants of the Pi Zero 2W, so we can limit hardware testing to that specific model. The major risk is breaking wifi functionality (the only network interface on this model), so the test plan covers ensuring that wifi can still come up and function with a simple ping command. [ Original description ] ubuntu@rpi-5b-8gb-rev1d0-f88b:~$ file /usr/lib/firmware/brcm/brcmfmac43439-sdio.txt.zst /usr/lib/firmware/brcm/brcmfmac43439-sdio.txt.zst: broken symbolic link to ../cypress/cyfmac43439-sdio.txt.zst ubuntu@rpi-5b-8gb-rev1d0-f88b:~$ ls -la /usr/lib/firmware/brcm/brcmfmac43439-sdio.txt.zst lrwxrwxrwx 1 root root 35 Mar 18 20:10 /usr/lib/firmware/brcm/brcmfmac43439-sdio.txt.zst -> ../cypress/cyfmac43439-sdio.txt.zst ubuntu@rpi-5b-8gb-rev1d0-f88b:~$ apt-cache policy linux-firmware-raspi linux-firmware-raspi: Installed: 14-0ubuntu1 Candidate: 14-0ubuntu1 Version table: *** 14-0ubuntu1 500 500 http://ports.ubuntu.com/ubuntu-ports resolute/restricted arm64 Packages 100 /var/lib/dpkg/status
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2149913 Title: [SRU] Broken symbolic link to ../cypress/cyfmac43439-sdio.txt.zst To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware-raspi/+bug/2149913/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
