Broken Displaymanager after updating with garuda-update

Displaymanager graphics are completely broken after running garuda-update. Grub works fine. Login screen shows a cursor however everything else is a blue-purple pixel-mess. TTY still works.

Restoring snapshot works but updating again leads to same issues. Also using chroot to update again also doesn’t work.

This issues persists since quite some time and i couldn’t find a fix anywhere else.

garuda-inxi from last working snapshot:

System:
Kernel: 6.4.4-zen1-1-zen arch: x86_64 bits: 64 compiler: gcc v: 13.1.1
parameters: BOOT_IMAGE=/@/.snapshots/129/snapshot/boot/vmlinuz-linux-zen
root=UUID=f2c60cc6-8805-40e8-8127-1e5dec470a25 quiet
rd.udev.log_priority=3 vt.global_cursor_default=0
systemd.unified_cgroup_hierarchy=1 loglevel=3 ibt=off
rootflags=defaults,noatime,noautodefrag,compress=zstd,discard=async,ssd,subvol=@/.snapshots/129/snapshot
Desktop: KDE Plasma v: 5.27.6 tk: Qt v: 5.15.10 wm: kwin_x11 vt: 2
dm: SDDM Distro: Garuda Linux base: Arch Linux
Machine:
Type: Laptop System: HP product: HP ZBook 15u G4 v: N/A
serial: <superuser required> Chassis: type: 10 serial: <superuser required>
Mobo: HP model: 828C v: KBC Version 45.38 serial: <superuser required>
UEFI: HP v: P78 Ver. 01.05 date: 05/24/2017
Battery:
ID-1: BAT0 charge: 14.9 Wh (40.8%) condition: 36.5/36.5 Wh (100.0%)
volts: 12.1 min: 11.4 model: Hewlett-Packard Primary type: Li-ion
serial: <filter> status: charging
CPU:
Info: model: Intel Core i7-7500U bits: 64 type: MT MCP arch: Amber/Kaby Lake
note: check gen: core 7 level: v3 note: check built: 2017
process: Intel 14nm family: 6 model-id: 0x8E (142) stepping: 9
microcode: 0xF2
Topology: cpus: 1x cores: 2 tpc: 2 threads: 4 smt: enabled cache:
L1: 128 KiB desc: d-2x32 KiB; i-2x32 KiB L2: 512 KiB desc: 2x256 KiB
L3: 4 MiB desc: 1x4 MiB
Speed (MHz): avg: 900 min/max: 400/3500 scaling: driver: intel_pstate
governor: powersave cores: 1: 900 2: 900 3: 900 4: 900 bogomips: 23199
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3
Vulnerabilities: <filter>
Graphics:
Device-1: Intel HD Graphics 620 vendor: Hewlett-Packard driver: i915
v: kernel arch: Gen-9.5 process: Intel 14nm built: 2016-20 ports:
active: eDP-1 empty: DP-1, DP-2, HDMI-A-1, HDMI-A-2 bus-ID: 00:02.0
chip-ID: 8086:5916 class-ID: 0300
Device-2: AMD Opal XT [Radeon R7 M265/M365X/M465] vendor: Hewlett-Packard
driver: radeon v: kernel alternate: amdgpu arch: GCN-1
code: Southern Islands process: TSMC 28nm built: 2011-20 pcie: gen: 3
speed: 8 GT/s lanes: 2 link-max: lanes: 8 bus-ID: 03:00.0
chip-ID: 1002:6604 class-ID: 0300 temp: 39.0 C
Device-3: Chicony HP HD Camera driver: uvcvideo type: USB rev: 2.0
speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-9:5 chip-ID: 04f2:b5ae
class-ID: 0e02
Display: x11 server: X.Org v: 21.1.8 with: Xwayland v: 23.1.2
compositor: kwin_x11 driver: X: loaded: intel,radeon unloaded: modesetting
alternate: fbdev,vesa dri: i965,radeonsi gpu: i915 display-ID: :0
screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22")
s-diag: 582mm (22.93")
Monitor-1: eDP-1 mapped: eDP1 model: LG Display 0x046f built: 2014
res: 1920x1080 hz: 60 dpi: 139 gamma: 1.2 size: 350x190mm (13.78x7.48")
diag: 396mm (15.6") ratio: 16:9 modes: 1920x1080
API: OpenGL v: 4.6 Mesa 23.1.3 renderer: Mesa Intel HD Graphics 620 (KBL
GT2) direct-render: Yes
Audio:
Device-1: Intel Sunrise Point-LP HD Audio vendor: Hewlett-Packard
driver: snd_hda_intel v: kernel alternate: snd_soc_skl,snd_soc_avs
bus-ID: 00:1f.3 chip-ID: 8086:9d71 class-ID: 0403
API: ALSA v: k6.4.4-zen1-1-zen status: kernel-api with: aoss
type: oss-emulator tools: N/A
Server-1: PipeWire v: 0.3.74 status: active with: 1: pipewire-pulse
status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin
4: pw-jack type: plugin tools: pactl,pw-cat,pw-cli,wpctl
Network:
Device-1: Intel Ethernet I219-V vendor: Hewlett-Packard driver: e1000e
v: kernel port: N/A bus-ID: 00:1f.6 chip-ID: 8086:15d8 class-ID: 0200
IF: enp0s31f6 state: down mac: <filter>
Device-2: Intel Wireless 8265 / 8275 driver: iwlwifi v: kernel pcie:
gen: 1 speed: 2.5 GT/s lanes: 1 bus-ID: 02:00.0 chip-ID: 8086:24fd
class-ID: 0280
IF: wlp2s0 state: down mac: <filter>
IF-ID-1: anbox0 state: down mac: <filter>
Bluetooth:
Device-1: Intel Bluetooth wireless interface driver: btusb v: 0.8 type: USB
rev: 2.0 speed: 12 Mb/s lanes: 1 mode: 1.1 bus-ID: 1-7:3 chip-ID: 8087:0a2b
class-ID: e001
Report: bt-adapter ID: hci0 rfk-id: 1 state: up address: <filter>
Drives:
Local Storage: total: 465.76 GiB used: 95.06 GiB (20.4%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung model: SSD 980 500GB
size: 465.76 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
lanes: 4 tech: SSD serial: <filter> fw-rev: 2B4QFXO7 temp: 45.9 C
scheme: GPT
Partition:
ID-1: / raw-size: 465.46 GiB size: 465.46 GiB (100.00%)
used: 95.06 GiB (20.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
ID-2: /boot/efi raw-size: 300 MiB size: 299.4 MiB (99.80%)
used: 576 KiB (0.2%) fs: vfat dev: /dev/nvme0n1p1 maj-min: 259:1
ID-3: /home raw-size: 465.46 GiB size: 465.46 GiB (100.00%)
used: 95.06 GiB (20.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
ID-4: /var/log raw-size: 465.46 GiB size: 465.46 GiB (100.00%)
used: 95.06 GiB (20.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
ID-5: /var/tmp raw-size: 465.46 GiB size: 465.46 GiB (100.00%)
used: 95.06 GiB (20.4%) fs: btrfs dev: /dev/nvme0n1p2 maj-min: 259:2
Swap:
Kernel: swappiness: 133 (default 60) cache-pressure: 100 (default)
ID-1: swap-1 type: zram size: 7.52 GiB used: 0 KiB (0.0%) priority: 100
dev: /dev/zram0
Sensors:
System Temperatures: cpu: 40.0 C pch: 36.0 C mobo: N/A gpu: radeon
temp: 39.0 C
Fan Speeds (RPM): N/A
Info:
Processes: 229 Uptime: 2m wakeups: 2 Memory: total: 8 GiB note: est.
available: 7.52 GiB used: 1.96 GiB (26.0%) Init: systemd v: 253
default: graphical tool: systemctl Compilers: gcc: 13.1.1 clang: 15.0.7
Packages: pm: pacman pkgs: 2021 libs: 574 tools: octopi,pamac,paru
Shell: fish v: 3.6.1 default: Bash v: 5.1.16 running-in: konsole
inxi: 3.3.28
Garuda (2.6.16-1):
System install date:     2022-11-09
Last full system update: 2023-07-20
Is partially upgraded:   No
Relevant software:       snapper NetworkManager mkinitcpio
Windows dual boot:       No/Undetected
Failed units:            garuda-pacman-lock.service garuda-pacman-snapshot-reject.service logrotate.service mullvad-daemon.service mullvad-early-boot-blocking.service systemd-guest-user.service

Edit: Added picture of login/desktop screen

Just in case: do you restore the booted snapshot and reboot before updating?
Welcome to the forum!

Yes, back in August last year i restored the snapshot and then used it for roughly 1-2 months before attempting to update again.
Also thanks for welcoming me :slight_smile:

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