Also I see the line in lxdm.log xsetroot: unable to open display ‘:0’:
root@beaglebone:/var/log# cat lxdm.log
xf86: remove device 0 /sys/devices/platform/ocp/4830e000.lcdc/drm/card0
xcb_connection_has_error() returned true
(II) Server terminated successfully (0). Closing log file.
xsetroot: unable to open display ‘:0’
** Message: 10:07:02.694: find greeter (nil)
** Message: 10:07:02.694: find idle (nil)
** Message: 10:07:02.705: 1671466022: add xserver watch
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.19.0-18-armmp-lpae armv7l Debian
Current Operating System: Linux beaglebone 4.19.94-ti-r42 #1buster SMP PREEMPT Tue Mar 31 19:38:29 UTC 2020 armv7l
Kernel command line: console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet
Build Date: 18 December 2021 09:05:36AM
xorg-server 2:1.20.4-1+deb10u4 (Debian -- User Support)
Current version of pixman: 0.36.0
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: Mon Dec 19 10:07:02 2022
(==) Using config file: “/etc/X11/xorg.conf”
(==) Using system config directory “/usr/share/X11/xorg.conf.d”
** Message: 10:07:03.962: 1671466023: start xserver in 2 retry
** Message: 10:07:03.963: add 0xa7d8d8
** Message: 10:07:03.963: prepare greeter on /var/run/lxdm/lxdm-:0.auth
** Message: 10:07:03.981: start greeter on /var/run/lxdm/lxdm-:0.auth
** Message: 10:07:04.396: greeter 0 session 0xa7d8d8
** Message: 10:07:04.397: user 0 session 0xa7d8d8 cmd USER_LIST
xcb_connection_has_error() returned true
xsetroot: unable to open display ‘:0’
(II) Server terminated successfully (0). Closing log file.
** Message: 10:15:04.880: find greeter (nil)
** Message: 10:15:04.881: find idle (nil)
** Message: 10:15:04.892: 1671466504: add xserver watch
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.19.0-18-armmp-lpae armv7l Debian
Current Operating System: Linux beaglebone 4.19.94-ti-r42 #1buster SMP PREEMPT Tue Mar 31 19:38:29 UTC 2020 armv7l
Kernel command line: console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet
Build Date: 18 December 2021 09:05:36AM
xorg-server 2:1.20.4-1+deb10u4 (Debian -- User Support)
Current version of pixman: 0.36.0
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: Mon Dec 19 10:15:04 2022
(==) Using config file: “/etc/X11/xorg.conf”
(==) Using system config directory “/usr/share/X11/xorg.conf.d”
** Message: 10:15:06.151: 1671466506: start xserver in 2 retry
** Message: 10:15:06.151: add 0xa7e498
** Message: 10:15:06.151: prepare greeter on /var/run/lxdm/lxdm-:0.auth
** Message: 10:15:06.170: start greeter on /var/run/lxdm/lxdm-:0.auth
** Message: 10:15:06.645: greeter 0 session 0xa7e498
** Message: 10:15:06.645: user 0 session 0xa7e498 cmd USER_LIST
xcb_connection_has_error() returned true
(II) Server terminated successfully (0). Closing log file.
xsetroot: unable to open display ‘:0’
** Message: 10:19:49.753: find greeter (nil)
** Message: 10:19:49.754: find idle (nil)
** Message: 10:19:49.765: 1671466789: add xserver watch
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.19.0-18-armmp-lpae armv7l Debian
Current Operating System: Linux beaglebone 4.19.94-ti-r42 #1buster SMP PREEMPT Tue Mar 31 19:38:29 UTC 2020 armv7l
Kernel command line: console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet
Build Date: 18 December 2021 09:05:36AM
xorg-server 2:1.20.4-1+deb10u4 (Debian -- User Support)
Current version of pixman: 0.36.0
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: Mon Dec 19 10:19:49 2022
(==) Using config file: “/etc/X11/xorg.conf”
(==) Using system config directory “/usr/share/X11/xorg.conf.d”
** Message: 10:19:51.035: 1671466791: start xserver in 2 retry
** Message: 10:19:51.035: add 0xa7f688
** Message: 10:19:51.036: prepare greeter on /var/run/lxdm/lxdm-:0.auth
** Message: 10:19:51.054: start greeter on /var/run/lxdm/lxdm-:0.auth
** Message: 10:19:51.468: greeter 0 session 0xa7f688
** Message: 10:19:51.469: user 0 session 0xa7f688 cmd USER_LIST
But the display is working, I see the login box and enter the password so why does lxde not see it anymore?
Have a Blessed day!
Don