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[SOLVED]after world update, can't get into gnome 3.16.
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papandreoos
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PostPosted: Wed Sep 02, 2015 8:16 am    Post subject: [SOLVED]after world update, can't get into gnome 3.16. Reply with quote

EDIT: in journalctl -r i can see a red line which says:
Unrecoverable failure in required component gnome-shell.desktop
before this line i have warning:
WARNING: App 'gnome-shell.desktop' respawning too quickly

original message:

this is the error picture:
http://cjoint.com/14ju/DGEkWDVJs1d_img_20140730_103327.jpg

i think the problen is not in X server because after i press there enter(log out button), i get into lightdm login screen, and there i can change to LXDE and then i can login without a problem to LXDE desktop.

the content of /var/log/lightdm/x-0-greeter.log is:
Code:
(lightdm-gtk-greeter:2654): GLib-CRITICAL **: g_shell_parse_argv: assertion 'command_line != NULL' failed

(lightdm-gtk-greeter:2654): GLib-GObject-WARNING **: The property GtkMisc:xpad is deprecated and shouldn't be used anymore. It will be removed in a future version.

** (lightdm-gtk-greeter:2654): WARNING **: Failed to load user image: Failed to open file '/home/gentooist/.face': No such file or directory


the content of Xorg.0.log:
http://pastebin.com/y6cRyWYQ

i don't know what else to paste here.
please tell me if you want other files.


Last edited by papandreoos on Wed Sep 02, 2015 9:45 am; edited 1 time in total
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Leio
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Joined: 27 Feb 2003
Posts: 487
Location: Estonia

PostPosted: Wed Sep 02, 2015 9:20 am    Post subject: Reply with quote

Anything interesting in one of
Code:
journalctl -r _SYSTEMD_UNIT=session-1.scope
journalctl -r /usr/bin/gnome-session
journalctl -r /usr/bin/gnome-shell

hopefully?
I've used the -r option here for reverse order of logs, so newest is at the top, to find a relevant line easier at the top, when the login just failed
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papandreoos
Tux's lil' helper
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Joined: 17 Dec 2014
Posts: 136

PostPosted: Wed Sep 02, 2015 9:29 am    Post subject: Reply with quote

Leio wrote:
Anything interesting in one of
Code:
journalctl -r _SYSTEMD_UNIT=session-1.scope
journalctl -r /usr/bin/gnome-session
journalctl -r /usr/bin/gnome-shell

hopefully?
I've used the -r option here for reverse order of logs, so newest is at the top, to find a relevant line easier at the top, when the login just failed


journalctl -r _SYSTEMD_UNIT=session-1.scope :
http://pastebin.com/6TRrJnrN


journalctl -r /usr/bin/gnome-session:
http://pastebin.com/QsEBLrhm

in journalctl -r /usr/bin/gnome-shell i do not see any error.
just normal "GNOME Shell started..." lines after every reboot.
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Leio
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Location: Estonia

PostPosted: Wed Sep 02, 2015 9:31 am    Post subject: Reply with quote

Sep 02 10:38:28 Mamadoosh gnome-session[2315]: /usr/bin/gnome-shell: symbol lookup error: /lib64/libreadline.so.6: undefined symbol: UP

Your paste is cut, but looks like you have done some sort of readline or similar upgrade breaking ABI and not ended up rebuilding some users of readline yet?
Edit: Or actually, after a couple more seconds of thought, it seems more like readline is the thing that needs to be rebuilt after some of its dependencies broke ABI?
Edit2: Oh and it's probably cut because you manually copy-pasted it from terminal, while journalctl pager doesn't wrap by default, but goes invisible on the side, needing manual right arrow scrolling to see it - piping it into head -n100 or something would solve that, but the issue is seen good enough with it cut too
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papandreoos
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Joined: 17 Dec 2014
Posts: 136

PostPosted: Wed Sep 02, 2015 9:38 am    Post subject: Reply with quote

Leio wrote:
Sep 02 10:38:28 Mamadoosh gnome-session[2315]: /usr/bin/gnome-shell: symbol lookup error: /lib64/libreadline.so.6: undefined symbol: UP

Your paste is cut, but looks like you have done some sort of readline or similar upgrade breaking ABI and not ended up rebuilding some users of readline yet?
Edit: Or actually, after a couple more seconds of thought, it seems more like readline is the thing that needs to be rebuilt after some of its dependencies broke ABI?
Edit2: Oh and it's probably cut because you manually copy-pasted it from terminal, while journalctl pager doesn't wrap by default, but goes invisible on the side, needing manual right arrow scrolling to see it - piping it into head -n100 or something would solve that, but the issue is seen good enough with it cut too


thanks.
i'll remerge readline and update here if anything changed.
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papandreoos
Tux's lil' helper
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Joined: 17 Dec 2014
Posts: 136

PostPosted: Wed Sep 02, 2015 9:46 am    Post subject: Reply with quote

Leio wrote:
Sep 02 10:38:28 Mamadoosh gnome-session[2315]: /usr/bin/gnome-shell: symbol lookup error: /lib64/libreadline.so.6: undefined symbol: UP

Your paste is cut, but looks like you have done some sort of readline or similar upgrade breaking ABI and not ended up rebuilding some users of readline yet?
Edit: Or actually, after a couple more seconds of thought, it seems more like readline is the thing that needs to be rebuilt after some of its dependencies broke ABI?
Edit2: Oh and it's probably cut because you manually copy-pasted it from terminal, while journalctl pager doesn't wrap by default, but goes invisible on the side, needing manual right arrow scrolling to see it - piping it into head -n100 or something would solve that, but the issue is seen good enough with it cut too


thank you very very much.
after i re merged readline and rebooted, i now have a working gnome again :-)
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Leio
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PostPosted: Wed Sep 02, 2015 9:58 am    Post subject: Reply with quote

Emerge should have noticed this and suggesting rebuilds too, did it not?
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papandreoos
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Joined: 17 Dec 2014
Posts: 136

PostPosted: Wed Sep 02, 2015 10:30 am    Post subject: Reply with quote

Leio wrote:
Emerge should have noticed this and suggesting rebuilds too, did it not?



if you ask if now, before your solution, emerge suggested to rebuild something, the answer is no.

i had problems updating world couple of days ago(i could not merge ncurses) and then i started to remove things and update again(i also added ncurses to testing branch), and eventually i managed to upgrade all the world without an error but then gnome wasn't started.
in this process maybe :-) i did something wrong which cause this.
i remember that after i got error updating world, i started revdep-rebuild and it started merging some packages, but eventually stoped with an error (don't remember what was the package with the error).
then i started updating world again and it succeeded, but after that, i got the gnome problem.
so as you see i also help my system to broke it self a little :-).
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