Javier,

Have you tried using Valgrind to analyze what's happening? Here are some
Gnome-Shell instructions:
https://wiki.gnome.org/Projects/GnomeShell/Debugging

On Fri, May 8, 2015 at 4:16 PM, Javier Domingo Cansino <javier...@gmail.com>
wrote:

> Seems like something is going on, but no idea :(
>
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555): St-CRITICAL
> **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline != NULL'
> failed
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555): St-CRITICAL
> **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline != NULL'
> failed
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555): St-CRITICAL
> **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline != NULL'
> failed
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555): St-CRITICAL
> **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline != NULL'
> failed
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 07 16:02:02 theoden gnome-session[495]: (gnome-shell:555): St-CRITICAL
> **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline != NULL'
> failed
> may 07 16:02:07 theoden gnome-session[16597]: (gnome-shell:16706):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 07 16:02:08 theoden gnome-session[16597]: (gnome-shell:16706):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 07 16:02:08 theoden gnome-session[16597]: (gnome-shell:16706):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 07 20:59:12 theoden gnome-session[12215]: (gnome-shell:12295):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 07 20:59:12 theoden gnome-session[12215]: (gnome-shell:12295):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 07 20:59:12 theoden gnome-session[12215]: (gnome-shell:12295):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 07 22:01:57 theoden gnome-session[12215]: (gnome-shell:12295):
> Clutter-CRITICAL **: clutter_input_device_get_device_id: assertion
> 'CLUTTER_IS_INPUT_DEVICE (device)' failed
> may 07 22:01:57 theoden gnome-session[12215]: (gnome-shell:12295):
> Clutter-CRITICAL **: clutter_input_device_get_device_id: assertion
> 'CLUTTER_IS_INPUT_DEVICE (device)' failed
> may 07 22:01:57 theoden gnome-session[12215]: (gnome-shell:12295):
> Clutter-CRITICAL **: clutter_input_device_get_device_id: assertion
> 'CLUTTER_IS_INPUT_DEVICE (device)' failed
> may 07 22:03:29 theoden gnome-session[495]: (gnome-shell:555): Gdk-WARNING
> **: gnome-shell: Fatal IO error 11 (Resource temporarily unavailable) on X
> server :0.
> may 07 22:03:30 theoden polkitd[13576]: Registered Authentication Agent
> for unix-session:c5 (system bus name :1.161 [/usr/bin/gnome-shell], object
> path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_
> US.utf8)
> may 07 22:03:30 theoden polkitd[13576]: Registered Authentication Agent
> for unix-session:c4 (system bus name :1.90 [/usr/bin/gnome-shell], object
> path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale es_E
> S.utf8)
> may 07 22:03:34 theoden polkitd[13576]: Registered Authentication Agent
> for unix-session:c7 (system bus name :1.212 [gnome-shell --mode=gdm],
> object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale e
> n_US.UTF-8)
> may 07 22:05:45 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 07 22:23:03 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 07 22:23:04 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 07 22:40:27 theoden polkitd[13576]: Registered Authentication Agent
> for unix-session:c5 (system bus name :1.223 [/usr/bin/gnome-shell], object
> path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_
> US.utf8)
> may 07 22:40:27 theoden gnome-session[16597]: (gnome-shell:16706):
> GLib-GObject-WARNING **: The property GtkContainer:resize-mode is
> deprecated and shouldn't be used anymore. It will be removed in a future
> versi
> on.
> may 07 22:40:28 theoden gnome-shell[16706]: GNOME Shell started at Thu May
> 07 2015 22:40:27 GMT+0200 (CEST)
> may 07 22:42:56 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 07 23:32:32 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 07 23:33:20 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 07 23:33:58 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 07 23:40:10 theoden gnome-session[16597]: (gnome-shell:16706):
> mutter-WARNING **: NOTE: Not using GLX TFP!
> may 08 10:04:13 theoden systemd-logind[371]: Delay lock is active (UID
> 1002/izarra, PID 12295/gnome-shell) but inhibitor timeout is reached.
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> Clutter-WARNING **: clutter-offscreen-effect.c:207: Unable to create an
> Offscreen buffer
> may 08 18:15:02 theoden gnome-session[13588]: (gnome-shell:13624):
> St-CRITICAL **: _st_paint_shadow_with_opacity: assertion 'shadow_pipeline
> != NULL' failed
>
>
> On Fri, May 8, 2015 at 11:09 PM, Florian Pelz <pelzflor...@googlemail.com>
> wrote:
>
>> Hi,
>>
>> On 05/08/2015 06:18 PM, Javier Domingo Cansino wrote:
>> > Nothing logged, just this​ and it's from another day =)
>> >
>>
>> Apparently I was wrong; the gnome-shell stuff does not get logged under
>> the gdm.service unit.
>>
>> $ journalctl -b -1 | grep 'gnome-shell'
>>
>> prints a ton of gnome-shell warnings (for the last boot), even for my
>> seemingly working setup. Maybe it shows something helpful though.
>>
>>
>
>
> --
> Javier Domingo Cansino
>
> _______________________________________________
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>
>
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