Well I'm at a bit of a loss... Here are some outputs that may help someone else. I highlighted some critical errors.
(lightdm.log)
+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.32.0, UID=0 PID=1787
[+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-directories.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-slarm64-defaults.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Registered seat module local
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.01s] DEBUG: Using cross-namespace EXTERNAL authentication (this will deadlock if server is GDBus < 2.73.3)
[+0.04s] DEBUG: _g_io_module_get_default: Found default implementation local (GLocalVfs) for ‘gio-vfs’
[+0.04s] DEBUG: Monitoring logind for seats
[+0.04s] DEBUG: New seat added from logind: seat0
[+0.04s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.04s] DEBUG: Seat seat0 has property CanMultiSession=no
[+0.04s] DEBUG: Seat seat0: Starting
[+0.04s] DEBUG: Seat seat0: Creating greeter session
[+0.04s] DEBUG: Seat seat0: Creating display server of type x
[+0.04s] DEBUG: Could not run plymouth --ping: Failed to execute child process “plymouth” (No such file or directory)
[+0.04s] DEBUG: Using VT 7
[+0.04s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.04s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+0.05s] DEBUG: XServer 0: Writing X server authority to /run/lightdm/root/:0
[+0.05s] DEBUG: XServer 0: Launching X Server
[+0.05s] DEBUG: Launching process 1793: /usr/bin/X :0 -seat seat0 -auth /run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.05s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+0.05s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.05s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.50s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.50s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.51s] DEBUG: Process 1793 exited with return value 1
[+0.51s] DEBUG: XServer 0: X server stopped
[+0.51s] DEBUG: Releasing VT 7
[+0.51s] DEBUG: XServer 0: Removing X server authority /run/lightdm/root/:0
[+0.51s] DEBUG: Seat seat0: Display server stopped
[+0.52s] DEBUG: Seat seat0: Stopping session
[+0.52s] DEBUG: Seat seat0: Session stopped
[+0.52s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+0.52s] DEBUG: Seat seat0: Stopping; greeter display server failed to start
[+0.52s] DEBUG: Seat seat0: Stopping
[+0.52s] DEBUG: Seat seat0: Stopped
[+0.52s] DEBUG: Required seat has stopped
[+0.52s] DEBUG: Stopping display manager
[+0.52s] DEBUG: Display manager stopped
[+0.52s] DEBUG: Stopping daemon
[+0.52s] DEBUG: Exiting with return value 1
(end of dmesg)
[ 16.969368] Bluetooth: MGMT ver 1.22
[ 17.137548] Bluetooth: hci0: broken local ext features page 2
[ 17.173207] NET: Registered PF_ALG protocol family
[ 18.930919] sun4i-drm display-engine: bound 1100000.mixer (ops 0xffff800080f1d528)
[ 18.932370] sun4i-drm display-engine: bound 1200000.mixer (ops 0xffff800080f1d528)
[ 18.932940] sun4i-drm display-engine: No panel or bridge found... RGB output disabled
[ 18.932954] sun4i-drm display-engine: bound 1c0c000.lcd-controller (ops 0xffff800080f1a370)
[ 18.933195] sun4i-drm display-engine: bound 1c0d000.lcd-controller (ops 0xffff800080f1a370)
[ 18.933227] sun4i-drm display-engine: bound 1ca0000.dsi (ops 0xffff800080f1c238)
[ 18.935201] sun4i-drm display-engine: Couldn't bind all pipelines components
[ 18.936584] platform sound_hdmi: deferred probe pending
[ 18.936603] platform 1ee0000.hdmi: deferred probe pending
[ 18.936609] platform sound: deferred probe pending
[ 19.403563] dw-apb-uart 1c28000.serial: forbid DMA for kernel console
[ 20.993959] i2c i2c-2: mv64xxx: I2C bus locked, block: 1, time_left: 0
[ 20.994023] stk3310 2-0048: register read failed: -110
[ 31.710028] dc1sw: disabling
[ 31.710229] vcc-mipi-io: disabling
[ 31.710314] avdd-csi: disabling
[ 31.710458] vcc-1v2-hsic: disabling
( dmesg | grep -i gpu)
[ 7.862043] lima 1c40000.gpu: gp - mali400 version major 1 minor 1
[ 7.862130] lima 1c40000.gpu: pp0 - mali400 version major 1 minor 1
[ 7.862201] lima 1c40000.gpu: pp1 - mali400 version major 1 minor 1
[ 7.862237] lima 1c40000.gpu: l2 cache 64K, 4-way, 64byte cache line, 64bit external bus
[ 7.862670] lima 1c40000.gpu: bus rate = 200000000
[ 7.862682] lima 1c40000.gpu: mod rate = 297000000
[ 7.863662] [drm] Initialized lima 1.1.0 20191231 for 1c40000.gpu on minor 0
(startx)
<0x1b>[?2004lxauth: file /root/.serverauth.1702 does not exist
xauth: (argv):1: bad display name "pinephone:0" in "list" command
xauth: (stdin):1: bad display name "pinephone:0" in "add" command
X.Org X Server 1.21.1.8
X Protocol Version 11, Revision 0
Current Operating System: Linux pinephone 6.5.5 #1 SMP Sun Sep 24 13:20:03 EEST 2023 aarch64
Kernel command line: root=UUID=32539e08-a5c0-4084-9f32-0932043d95e3 ro rootwait rootfstype=ext4 console=ttyS0,115200 console=tty1 consoleblank=0 loglevel=4 usb-storage.quirks=
Current version of pixman: 0.42.2
Before reporting problems, check
http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Tue Apr 23 14:35:45 2024
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(EE)
Fatal server error:
(EE) no screens found(EE)
(EE)
Please consult the The X.Org Foundation support
at
http://wiki.x.org
for help.
(EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
(EE)
(EE) Server terminated with error (1). Closing log file.
xinit: giving up
xinit: unable to connect to X server: Connection refused
xinit: server error
xauth: (argv):1: bad display name "pinephone:0" in "remove" command