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Help -- Can't logon at GUI session (ctl-alt-F7)

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  Help -- Can't logon at GUI session (ctl-alt-F7) Dennis Wicks <wix@mgssub.com> - 2016-03-09 03:20 +0100
    Re: Help -- Can't logon at GUI session (ctl-alt-F7) Michael Milliman <michael.e.milliman@gmail.com> - 2016-03-09 03:30 +0100
    Re: Help -- Can't logon at GUI session (ctl-alt-F7) Charlie Kravetz <cjk@teamcharliesangels.com> - 2016-03-09 04:40 +0100
      Re: Help -- Can't logon at GUI session (ctl-alt-F7) Michael Milliman <michael.e.milliman@gmail.com> - 2016-03-09 05:20 +0100
    Re: Help -- Can't logon at GUI session (ctl-alt-F7) Sven Arvidsson <sa@whiz.se> - 2016-03-09 10:00 +0100
      Re: Help -- Can't logon at GUI session (ctl-alt-F7) Sven Arvidsson <sa@whiz.se> - 2016-03-09 10:50 +0100
        Re: Help -- Can't logon at GUI session (ctl-alt-F7) Dennis Wicks <wix@mgssub.com> - 2016-03-10 06:10 +0100
          Re: Help -- Can't logon at GUI session (ctl-alt-F7) Patrick Bartek <nemommxiv@gmail.com> - 2016-03-10 18:00 +0100
          Re: Help -- Can't logon at GUI session (ctl-alt-F7) Lisi Reisz <lisi.reisz@gmail.com> - 2016-03-12 00:30 +0100
      Re: Help -- Can't logon at GUI session (ctl-alt-F7) Liam O'Toole <liam.p.otoole@gmail.com> - 2016-03-09 10:50 +0100
    Re: Help -- Can't logon at GUI session (ctl-alt-F7) Lisi Reisz <lisi.reisz@gmail.com> - 2016-03-12 00:30 +0100

#165164 — Help -- Can't logon at GUI session (ctl-alt-F7)

I fill in user-id and password, click "Sign In" and the 
screen goes blank, flashes a few times, then comes right 
back to the sign in screen. Trying to log on with root does 
the same thing, even though I am supposed to be able to do it.

I can logon at terminal screens (ctl-alt-f1 etc) with either 
my personal userid or as root with no problem.

In case it makes a difference, Jessie AMD64

Many TIA!!
Dennis

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#165165

On 03/08/2016 08:13 PM, Dennis Wicks wrote:
> I fill in user-id and password, click "Sign In" and the screen goes 
> blank, flashes a few times, then comes right back to the sign in 
> screen. Trying to log on with root does the same thing, even though I 
> am supposed to be able to do it.
>
> I can logon at terminal screens (ctl-alt-f1 etc) with either my 
> personal userid or as root with no problem.
>
> In case it makes a difference, Jessie AMD64
>
> Many TIA!!
> Dennis
>
I have had similar situation before.  I can't say that this is a good 
much less the best way to deal with it, but what I ended up doing is 
deleting all of the configuration files stored in the home directories 
of the affected users.  (anything starting with .)  Once this was done, 
the desktop environment was forced to re-create new configuration 
files.  This problem, in my experience is due to something in one of the 
configuration files that was corrupted.  In your situation, as it 
affects more than one user, this may not work as it it probable that the 
problem is in a global configuration in the /etc directory.  Hopefully, 
someone with more experience will answer and give you a better pointer 
to exactly which files to look at.

--
MEM

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#165166

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Tue, 8 Mar 2016 20:13:46 -0600
Dennis Wicks <wix@mgssub.com> wrote:

>I fill in user-id and password, click "Sign In" and the 
>screen goes blank, flashes a few times, then comes right 
>back to the sign in screen. Trying to log on with root does 
>the same thing, even though I am supposed to be able to do it.
>
>I can logon at terminal screens (ctl-alt-f1 etc) with either 
>my personal userid or as root with no problem.
>
>In case it makes a difference, Jessie AMD64
>
>Many TIA!!
>Dennis
>

Check the files in /home/$USER are not owned by root. They should be
owned by the user. If any hidden files are owned by root, the GUI login
loops. 

Also check if any partition is full. Running out of space can cause
this.

These are the things I have found. Perhaps someone else will jump in
with more information.

- -- 
Charlie Kravetz
Linux Registered User Number 425914
[http://linuxcounter.net/user/425914.html]
Never let anyone steal your DREAM.   [http://keepingdreams.com]
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#165167

On 03/08/2016 08:50 PM, Charlie Kravetz wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Tue, 8 Mar 2016 20:13:46 -0600
> Dennis Wicks <wix@mgssub.com> wrote:
>
>> I fill in user-id and password, click "Sign In" and the
>> screen goes blank, flashes a few times, then comes right
>> back to the sign in screen. Trying to log on with root does
>> the same thing, even though I am supposed to be able to do it.
>> I can logon at terminal screens (ctl-alt-f1 etc) with either
>> my personal userid or as root with no problem.
>>
>> In case it makes a difference, Jessie AMD64
>>
>> Many TIA!!
>> Dennis
>>
> Check the files in /home/$USER are not owned by root. They should be
> owned by the user. If any hidden files are owned by root, the GUI login
> loops.
I would not expect this to be the problem, as OP stated that he could 
also not log-in with GUI as root either...hidden files in the /root 
directory should be owned by root in this situation.
> Also check if any partition is full. Running out of space can cause
> this.
I did run across this once as well.  The partition that /var is on is a 
prime suspect:-)
> These are the things I have found. Perhaps someone else will jump in
> with more information.
>
> - -- 
> Charlie Kravetz
> Linux Registered User Number 425914
> [http://linuxcounter.net/user/425914.html]
> Never let anyone steal your DREAM.   [http://keepingdreams.com]
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#165170

[Multipart message — attachments visible in raw view] — view raw

On Tue, 2016-03-08 at 20:13 -0600, Dennis Wicks wrote:
> I fill in user-id and password, click "Sign In" and the 
> screen goes blank, flashes a few times, then comes right 
> back to the sign in screen. Trying to log on with root does 
> the same thing, even though I am supposed to be able to do it.
> 
> I can logon at terminal screens (ctl-alt-f1 etc) with either 
> my personal userid or as root with no problem.
> 
> In case it makes a difference, Jessie AMD64
> 
> Many TIA!!
> Dennis
> 

The display manager is most likely crashing. You need to examine logs
and figure out why.

-- 
Cheers,
Sven Arvidsson
http://www.whiz.se
PGP Key ID 6FAB5CD5

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#165173

[Multipart message — attachments visible in raw view] — view raw

On Wed, 2016-03-09 at 09:51 +0100, Sven Arvidsson wrote:
> The display manager is most likely crashing. You need to examine logs
> and figure out why.

Sorry, X is probably crashing! If the display manager was crashing you
wouldn't be able to log in :)

-- 
Cheers,
Sven Arvidsson
http://www.whiz.se
PGP Key ID 6FAB5CD5

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#165198

Sven Arvidsson wrote on 03/09/2016 03:46 AM:
> On Wed, 2016-03-09 at 09:51 +0100, Sven Arvidsson wrote:
>> The display manager is most likely crashing. You need to examine logs
>> and figure out why.
>
> Sorry, X is probably crashing! If the display manager was crashing you
> wouldn't be able to log in :)
>
Well, whatever. I tried a couple of things and now I get 
nothing on my screen at all!

I guess I will reinstall tomorrow instead of next week. I'm 
sure that will fix it! I hate to do things that way though. 
Reeks too much of Windows ;(

Thanks for the efforts guys, appreciate it!

TNX!
Dennis

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#165216

On Wed, 09 Mar 2016, Dennis Wicks wrote:

> Sven Arvidsson wrote on 03/09/2016 03:46 AM:
> > On Wed, 2016-03-09 at 09:51 +0100, Sven Arvidsson wrote:
> >> The display manager is most likely crashing. You need to examine
> >> logs and figure out why.
> >
> > Sorry, X is probably crashing! If the display manager was crashing
> > you wouldn't be able to log in :)
> >
> Well, whatever. I tried a couple of things and now I get 
> nothing on my screen at all!
> 
> I guess I will reinstall tomorrow instead of next week. I'm 
> sure that will fix it! I hate to do things that way though. 
> Reeks too much of Windows ;(

Since you're going to reinstall, set up the system to boot to a
terminal, the login and run startx, and see what happens.  If all goes
well, then change your init config file to boot to the GUI instead and
see if all works.

If you have problems with X, at least, you'll be able to login to the
system and troubleshoot.

B

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#165257

On Thursday 10 March 2016 05:05:47 Dennis Wicks wrote:
> Sven Arvidsson wrote on 03/09/2016 03:46 AM:
> > On Wed, 2016-03-09 at 09:51 +0100, Sven Arvidsson wrote:
> >> The display manager is most likely crashing. You need to examine logs
> >> and figure out why.
> >
> > Sorry, X is probably crashing! If the display manager was crashing you
> > wouldn't be able to log in :)
>
> Well, whatever. I tried a couple of things and now I get
> nothing on my screen at all!
>
> I guess I will reinstall tomorrow instead of next week. I'm
> sure that will fix it! I hate to do things that way though.
> Reeks too much of Windows ;(
>
> Thanks for the efforts guys, appreciate it!

How about simply reinstalling your dm?  Or trying installing a different dm?

Lisi

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#165174

On 2016-03-09, Sven Arvidsson <sa@whiz.se> wrote:
> On Tue, 2016-03-08 at 20:13 -0600, Dennis Wicks wrote:
>> I fill in user-id and password, click "Sign In" and the=C2=A0
>> screen goes blank, flashes a few times, then comes right=C2=A0
>> back to the sign in screen. Trying to log on with root does=C2=A0
>> the same thing, even though I am supposed to be able to do it.
>>=20
>> I can logon at terminal screens (ctl-alt-f1 etc) with either=C2=A0
>> my personal userid or as root with no problem.
>>=20
>> In case it makes a difference, Jessie AMD64
>>=20
>> Many TIA!!
>> Dennis
>>=20
>
> The display manager is most likely crashing. You need to examine logs
> and figure out why.

I would say that the user's X session is crashing, not the display
manager. Assuming a default jessie setup , the command

	journalctl /usr/bin/gnome-session

(run as root) might yield some useful diagnostic information. The file
/var/log/Xorg.0.log might be helpful too.

-- 

Liam

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#165258

On Wednesday 09 March 2016 02:13:46 Dennis Wicks wrote:
> In case it makes a difference, Jessie AMD64

And GNOME?  (gdm ???3??)

Lisi

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