[OE-core] postinst does not finish

Fri Apr 19 14:00:40 UTC 2013

Op 19 apr. 2013, om 15:37 heeft Koen Kooi <koen at dominion.thruhere.net> het volgende geschreven:

> 
> Op 19 apr. 2013, om 15:13 heeft Koen Kooi <koen at dominion.thruhere.net> het volgende geschreven:
> 
>> 
>> Op 19 apr. 2013, om 15:03 heeft "Burton, Ross" <ross.burton at intel.com> het volgende geschreven:
>> 
>>> On 19 April 2013 13:49, Koen Kooi <koen at dominion.thruhere.net> wrote:
>>>>> Running the postinstalls at first boot appear to hang because (and
>>>>> that's just a feeling) gtk-icon-cache is run twice on target... which is
>>>>> time consuming.
>>>> 
>>>> I know it's time consuming, but it finished on 60-90 minutes with 1.3, I left it overnight and it still hadn't finished. I have the LEDS configured to short mmc0 and cpu0 activity and there' s no IO, only cpu from time to time. I don't think it takes more than 14 hours to run those postinsts.
>>> 
>>> How about hacking the postinsts to use sh -x, so you can see what it's
>>> executing?
>> 
>> Going to do that in a minute. Todays build just finished (*$(@*$(@ webkit-gtk build times) and I added timeoutsec=600 to the .service file:
>> 
>> root at beaglebone:~# systemctl status run-postinsts -a
>> run-postinsts.service - Run pending postinsts
>>  Loaded: loaded (/lib/systemd/system/run-postinsts.service; disabled)
>>  Active: failed (Result: timeout) since Sat 2000-01-01 18:30:33 UTC; 13 years 3 months ago
>> Main PID: 122
>>  CGroup: name=systemd:/system/run-postinsts.service
>> 
>> Jan 01 18:20:33 beaglebone S98run-postinsts[122]: adduser: group gdm does not exist
>> Jan 01 18:20:33 beaglebone S98run-postinsts[122]: chown: unknown user/group gdm:gdm
>> Jan 01 18:30:33 beaglebone systemd[1]: run-postinsts.service operation timed out. Terminating.
>> Jan 01 18:30:33 beaglebone systemd[1]: Failed to start Run pending postinsts.
>> Jan 01 18:30:33 beaglebone systemd[1]: MESSAGE=Unit run-postinsts.service entered failed state.
>> root at beaglebone:~# 
>> 
>> So it seems to just hang. Will report about the set -x thing shortly.
> 
> And here it is:
> 
> Change postinst.service to Type=simple
> 
> root at beaglebone:~# journalctl -a -f -b -n500 -u run-postinsts
> -- Logs begin at Sat 2000-01-01 18:47:13 UTC. --
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ '[' x '!=' x ']'
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ grep '^gdm:' /etc/group
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ addgroup gdm
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ grep '^gdm:' /etc/passwd
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ adduser --disabled-password --system --home /var/lib/gdm gdm --ingroup gdm -g gdm
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: adduser: /var/lib/gdm: File exists
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ '[' -d /var/lib/gdm ']'
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ chown -R gdm:gdm /var/lib/gdm
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: chown: unknown user/group gdm:gdm
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ chmod 0750 /var/lib/gdm
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ mkdir -p /etc/X11/
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ echo /usr/bin/gdm
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ OPTS=
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ '[' -n '' ']'
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ type systemctl
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ systemctl enable gdm.service
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ '[' -z '' -a enable = enable ']'
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ systemctl restart gdm.service
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ test x '!=' x
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ OPT=-s
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ type update-rc.d
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: ++ update-rc.d -s gdm start 99 5 2 . stop 20 0 1 6 .
> Jan 01 18:47:21 beaglebone S98run-postinsts[125]: Adding system startup for /etc/init.d/gdm.
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ '[' x '!=' x ']'
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ GDK_PIXBUF_MODULEDIR=/usr/lib/gdk-pixbuf-2.0/2.10.0/loaders
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ gdk-pixbuf-query-loaders --update-cache
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/Crux ']'
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/Crux
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrast ']'
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrast
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrast-SVG ']'
> Jan 01 18:47:22 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrast-SVG
> 
> Connman does NTP at this point
> 
> Apr 19 13:21:11 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:11 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrastInverse ']'
> Apr 19 13:21:11 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastInverse
> Apr 19 13:21:11 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:11 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrastLargePrint ']'
> Apr 19 13:21:11 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastLargePrint
> Apr 19 13:21:14 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:14 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrastLargePrintInverse ']'
> Apr 19 13:21:14 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastLargePrintInverse
> Apr 19 13:21:16 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:16 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/LargePrint ']'
> Apr 19 13:21:16 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/LargePrint
> Apr 19 13:21:16 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:16 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/LowContrastLargePrint ']'
> Apr 19 13:21:17 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/LowContrastLargePrint
> Apr 19 13:21:17 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:17 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/Mist ']'
> Apr 19 13:21:17 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/Mist
> Apr 19 13:21:20 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:20 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/gnome ']'
> Apr 19 13:21:20 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/gnome
> Apr 19 13:21:55 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:21:56 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/hicolor ']'
> Apr 19 13:21:56 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/hicolor
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ '[' x '!=' x ']'
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: +++ gconftool-2 --get-default-source
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ export GCONF_CONFIG_SOURCE=xml:merged:/etc/gconf/gconf.xml.defaults
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ GCONF_CONFIG_SOURCE=xml:merged:/etc/gconf/gconf.xml.defaults
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ SCHEMA_LOCATION=/etc/gconf/schemas
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ for SCHEMA in gdm-simple-greeter.schemas
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/gdm-simple-greeter.schemas ']'
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:21:57 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/gdm-simple-greeter.schemas
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ '[' -n '' ']'
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ gconftool-2 --config-source=xml:readwrite:/etc/gconf/gconf.xml.defaults --direct --load /etc/gconf/schemas/panel-default-setup.entries
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ '[' x '!=' x ']'
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ GDK_PIXBUF_MODULEDIR=/usr/lib/gdk-pixbuf-2.0/2.10.0/loaders
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ gdk-pixbuf-query-loaders --update-cache
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/Crux ']'
> Apr 19 13:22:02 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/Crux
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrast ']'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrast
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrast-SVG ']'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrast-SVG
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrastInverse ']'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastInverse
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrastLargePrint ']'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastLargePrint
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:03 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/HighContrastLargePrintInverse ']'
> Apr 19 13:22:04 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastLargePrintInverse
> Apr 19 13:22:06 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:06 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/LargePrint ']'
> Apr 19 13:22:06 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/LargePrint
> Apr 19 13:22:07 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:07 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/LowContrastLargePrint ']'
> Apr 19 13:22:07 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/LowContrastLargePrint
> Apr 19 13:22:09 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:09 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/Mist ']'
> Apr 19 13:22:09 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/Mist
> Apr 19 13:22:10 beaglebone S98run-postinsts[125]: ++ for icondir in '/usr/share/icons/*'
> Apr 19 13:22:10 beaglebone S98run-postinsts[125]: ++ '[' -d /usr/share/icons/gnome ']'
> Apr 19 13:22:10 beaglebone S98run-postinsts[125]: ++ gtk-update-icon-cache -fqt /usr/share/icons/gnome
> +++ gconftool-2 --get-default-source
> Apr 19 13:22:31 beaglebone S98run-postinsts[125]: ++ export GCONF_CONFIG_SOURCE=xml:merged:/etc/gconf/gconf.xml.defaults
> Apr 19 13:22:31 beaglebone S98run-postinsts[125]: ++ GCONF_CONFIG_SOURCE=xml:merged:/etc/gconf/gconf.xml.defaults
> Apr 19 13:22:31 beaglebone S98run-postinsts[125]: ++ SCHEMA_LOCATION=/etc/gconf/schemas
> Apr 19 13:22:31 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:22:31 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/window-list.schemas ']'
> Apr 19 13:22:31 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:22:31 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/window-list.schemas
> Apr 19 13:22:41 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:22:41 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/clock.schemas ']'
> Apr 19 13:22:41 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:22:41 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/clock.schemas
> Apr 19 13:22:47 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:22:47 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/panel-general.schemas ']'
> Apr 19 13:22:47 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:22:47 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/panel-general.schemas
> Apr 19 13:22:55 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:22:55 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/panel-compatibility.schemas ']'
> Apr 19 13:22:55 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:22:55 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/panel-compatibility.schemas
> Apr 19 13:22:56 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:22:56 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/panel-global.schemas ']'
> Apr 19 13:22:56 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:22:56 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/panel-global.schemas
> Apr 19 13:23:04 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:23:04 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/panel-object.schemas ']'
> Apr 19 13:23:04 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:23:04 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/panel-object.schemas
> Apr 19 13:23:08 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:23:08 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/workspace-switcher.schemas ']'
> Apr 19 13:23:10 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:23:10 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/workspace-switcher.schemas
> Apr 19 13:23:22 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:23:22 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/panel-toplevel.schemas ']'
> Apr 19 13:23:22 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:23:22 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/panel-toplevel.schemas
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/fish.schemas ']'
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/fish.schemas
> Apr 19 13:23:51 beaglebone S98run-postinsts[125]: ++ test -n ''
> Apr 19 13:23:51 beaglebone S98run-postinsts[125]: ++ udevadm hwdb --update
> Apr 19 13:24:00 beaglebone S98run-postinsts[125]: Configuring gdm.
> Apr 19 13:24:00 beaglebone S98run-postinsts[125]: Configuring gnome-panel.
> Apr 19 13:24:00 beaglebone S98run-postinsts[125]: Configuring udev-hwdb.
> 
> *wait 5 minutes*
> 
> CTRL-C journalctl, inspect it:
> 
> run-postinsts.service - Run pending postinsts
>   Loaded: loaded (/lib/systemd/system/run-postinsts.service; disabled)
>   Active: inactive (dead) since Fri 2013-04-19 13:24:00 UTC; 6min ago
> Main PID: 125 (code=exited, status=0/SUCCESS)
>   CGroup: name=systemd:/system/run-postinsts.service
> 
> Apr 19 13:23:22 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/panel-toplevel.schemas
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ for SCHEMA in window-list.schemas clock.schemas panel-general.schemas panel-compatibility.schemas panel-global.schemas panel-object.schemas workspace-switcher.schemas panel-toplevel.schemas fish.schemas
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ '[' -e /etc/gconf/schemas/fish.schemas ']'
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ HOME=/root
> Apr 19 13:23:32 beaglebone S98run-postinsts[125]: ++ gconftool-2 --makefile-install-rule /etc/gconf/schemas/fish.schemas
> Apr 19 13:23:51 beaglebone S98run-postinsts[125]: ++ test -n ''
> Apr 19 13:23:51 beaglebone S98run-postinsts[125]: ++ udevadm hwdb --update
> Apr 19 13:24:00 beaglebone S98run-postinsts[125]: Configuring gdm.
> Apr 19 13:24:00 beaglebone S98run-postinsts[125]: Configuring gnome-panel.
> Apr 19 13:24:00 beaglebone S98run-postinsts[125]: Configuring udev-hwdb.
> 
> root at beaglebone:~# ls /etc/rcS.d
> S03systemd-udevd
> root at beaglebone:~# 
> 
> So it completed this time. This is the 5th reboot already. I have no idea why it finished this time :(

And it still doesn't work :(

root at beaglebone:~# systemctl status gdm -a
gdm.service - Gnome Display Manager
   Loaded: loaded (/lib/systemd/system/gdm.service; enabled)
   Active: active (running) since Sat 2000-01-01 19:22:11 UTC; 13 years 3 months ago
 Main PID: 147 (gdm-binary)
   CGroup: name=systemd:/system/gdm.service
           └─147 /usr/sbin/gdm-binary -nodaemon

Apr 19 13:56:22 beaglebone gdm-simple-slave[326]: WARNING: Couldn't look up uid
Apr 19 13:56:22 beaglebone gdm-simple-slave[337]: WARNING: User gdm doesn't exist
Apr 19 13:56:22 beaglebone gdm-simple-slave[326]: WARNING: Unable to parse output:
Apr 19 13:56:22 beaglebone gdm-simple-slave[326]: WARNING: Unable to parse D-Bus launch output
Apr 19 13:56:22 beaglebone gdm-simple-slave[338]: WARNING: User gdm doesn't exist
Apr 19 13:56:22 beaglebone gdm-simple-slave[326]: WARNING: Could not run helper: Failed to execute child process "/usr/lib/gdm/ck-get-x11-display-device" (No such file or directory)
Apr 19 13:56:22 beaglebone gdm[147]: gdm-binary[147]: WARNING: GdmDisplay: display lasted 1.401004 seconds
Apr 19 13:56:22 beaglebone gdm-binary[147]: WARNING: GdmDisplay: display lasted 1.401004 seconds
Apr 19 13:56:22 beaglebone gdm-binary[147]: WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors
Apr 19 13:56:22 beaglebone gdm[147]: gdm-binary[147]: WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors

Hmm, let's rerun gdm.postinst:

root at beaglebone:~# sh /var/lib/opkg/info/gdm.postinst 
+ '[' x '!=' x ']'
+ grep '^gdm:' /etc/group
+ grep '^gdm:' /etc/passwd
+ adduser --disabled-password --system --home /var/lib/gdm gdm --ingroup gdm -g gdm
adduser: /var/lib/gdm: File exists
+ '[' -d /var/lib/gdm ']'
+ chown -R gdm:gdm /var/lib/gdm
+ chmod 0750 /var/lib/gdm
+ mkdir -p /etc/X11/
+ echo /usr/bin/gdm
+ OPTS=
+ '[' -n '' ']'
+ type systemctl
+ systemctl enable gdm.service
+ '[' -z '' -a enable = enable ']'
+ systemctl restart gdm.service
+ test x '!=' x
+ OPT=-s
+ type update-rc.d
+ update-rc.d -s gdm start 99 5 2 . stop 20 0 1 6 .
 System startup links for /etc/init.d/gdm already exist.
+ '[' x '!=' x ']'
+ GDK_PIXBUF_MODULEDIR=/usr/lib/gdk-pixbuf-2.0/2.10.0/loaders
+ gdk-pixbuf-query-loaders --update-cache
[  102.324520] tilcdc 4830e000.fb: timeout waiting for framedone
+ for icondir in '/usr/share/icons/*'
+ '[' -d /usr/share/icons/Crux ']'
+ gtk-update-icon-cache -fqt /usr/share/icons/Crux
+ for icondir in '/usr/share/icons/*'
+ '[' -d /usr/share/icons/HighContrast ']'
+ gtk-update-icon-cache -fqt /usr/share/icons/HighContrast
+ for icondir in '/usr/share/icons/*'
+ '[' -d /usr/share/icons/HighContrast-SVG ']'
+ gtk-update-icon-cache -fqt /usr/share/icons/HighContrast-SVG
+ for icondir in '/usr/share/icons/*'
+ '[' -d /usr/share/icons/HighContrastInverse ']'
+ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastInverse
+ for icondir in '/usr/share/icons/*'
+ '[' -d /usr/share/icons/HighContrastLargePrint ']'
+ gtk-update-icon-cache -fqt /usr/share/icons/HighContrastLargePrint

(etc)

So it looks like the postinsts do run when used inside run-postinst.service, but don't save their output (sucky description, I know).