You have been subscribed to a public bug:
Ubuntu 22.10 won't display 4K at 60hz on Raspberry Pi 4. Workaround of
editing the config.txt file does not seem to work. Hardware combination
is capable of 4K at 60hz as everything works perfectly fine with
Raspberry PI OS 64-bit.
ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.19.0-1004.10-raspi 5.19.7
Uname: Linux 5.19.0-1004-raspi aarch64
ApportVersion: 2.23.1-0ubuntu3
Architecture: arm64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun Jan 29 16:35:35 2023
DistUpgraded: Fresh install
DistroCodename: kinetic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
ImageMediaBuild: 20221018.1
Lspci-vt: -[0000:00]---00.0-[01]----00.0 VIA Technologies, Inc. VL805/806 xHCI
USB 3.0 Controller
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: coherent_pool=1M 8250.nr_uarts=0
snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_headphones=1
snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0
video=HDMI-A-1:3840x2160M@30 smsc95xx.macaddr=E4:5F:01:5E:92:10
vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 zswap.enabled=1
zswap.zpool=z3fold zswap.compressor=zstd dwc_otg.lpm_enable=0 console=tty1
root=LABEL=writable rootfstype=ext4 rootwait fixrtc quiet splash
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
acpidump:
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.113-2
version.libgl1-mesa-dri: libgl1-mesa-dri 22.2.1-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.4-2ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-3
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1
** Affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug arm64 arm64-image kinetic performance raspi-image ubuntu
wayland-session
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Unable to display 4K 60hz Ubuntu 22.10 for Raspberry Pi
https://bugs.launchpad.net/bugs/2004123
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