Confirmed, it's a bootloader issue: https://github.com/raspberrypi/rpi- eeprom/issues/514
** Bug watch added: github.com/raspberrypi/rpi-eeprom/issues #514 https://github.com/raspberrypi/rpi-eeprom/issues/514 ** Also affects: linux-firmware-raspi (Ubuntu) Importance: Undecided Status: New ** Changed in: linux-firmware-raspi (Ubuntu) Status: New => Confirmed ** Changed in: linux-raspi (Ubuntu) Status: Triaged => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-raspi in Ubuntu. https://bugs.launchpad.net/bugs/2046841 Title: Unable to access UART2and UART4 Status in linux-firmware-raspi package in Ubuntu: Confirmed Status in linux-raspi package in Ubuntu: Invalid Bug description: Ubuntu 23.10 6.5.0-1008-raspi I've summarized the problem here, and asked for help: https://askubuntu.com/questions/1496927/raspberry-pi-5-uart2-and- uart4-problem This question hasn't elicited a response. I'm assuming this is a problem with 6.5.0 kernel on Pi 5 hardware. ProblemType: Bug DistroRelease: Ubuntu 23.10 Package: linux-image-6.5.0-1008-raspi 6.5.0-1008.11 ProcVersionSignature: Ubuntu 6.5.0-1008.11-raspi 6.5.3 Uname: Linux 6.5.0-1008-raspi aarch64 ApportVersion: 2.27.0-0ubuntu5 Architecture: arm64 CasperMD5CheckResult: unknown CloudArchitecture: aarch64 CloudID: nocloud CloudName: unknown CloudPlatform: nocloud CloudSubPlatform: config-disk (/dev/mmcblk0p1) Date: Tue Dec 19 09:54:18 2023 ProcEnviron: LANG=C.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm XDG_RUNTIME_DIR=<set> SourcePackage: linux-raspi UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware-raspi/+bug/2046841/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
