F23 and GDM: very often cannot re-login after logout

[Joerg Lechner]

Hi,
normally I don't have a PW as user (my machine is private), I have set now one to test.
For me it seems, that there is a timer (about 10 -15 sec?) running. When I tested this,
immediately after logoff user, I can not login. Trying 2 to 3 times, about the 3rd time
I can login again. If I wait about 20sec after logoff user, I can login immediately.
Kind Regards


-----Ursprüngliche Mitteilung----- 
Von: Joachim Backes <joachim.backes at rhrk.uni-kl.de>
An: Fedora-test <test at lists.fedoraproject.org>
Verschickt: Fr, 25 Sept 2015 9:08 am
Betreff: F23 and GDM: very often cannot re-login after logout


Hi F23 testers,

I'm running gnome3 desktop, and gdm as desktop manager. It
happens very 
often that after logging out and trying to re-login and after
having 
entered the correct password at the gdm prompt, the login is rejected,

so as if trying a wrong password.

Something it helps to kill gdm, but not
always.

Perhaps some hint in /var/log/messages:


Sep 25 08:54:17 eule
/usr/libexec/gdm-x-session: Fatal server error:
Sep 25 08:54:17 eule
/usr/libexec/gdm-x-session: (EE) xf86OpenConsole: 
Cannot open virtual console 3
(Permission denied)
Sep 25 08:54:17 eule /usr/libexec/gdm-x-session: (EE)
Sep 25
08:54:17 eule /usr/libexec/gdm-x-session: (EE)
Sep 25 08:54:17 eule
/usr/libexec/gdm-x-session: Please consult the 
Fedora Project support
Sep 25
08:54:17 eule /usr/libexec/gdm-x-session: at http://wiki.x.org
Sep 25 08:54:17
eule /usr/libexec/gdm-x-session: for help.
Sep 25 08:54:17 eule
/usr/libexec/gdm-x-session: (EE) Please also check 
the log file at
"/home/backes/.local/share/xorg/Xorg.0.log" for 
additional information.
Sep 25
08:54:17 eule /usr/libexec/gdm-x-session: (EE)
Sep 25 08:54:17 eule
/usr/libexec/gdm-x-session: (WW) xf86CloseConsole: 
KDSETMODE failed: Bad file
descriptor
Sep 25 08:54:17 eule /usr/libexec/gdm-x-session: (WW)
xf86CloseConsole: 
VT_GETMODE failed: Bad file descriptor
Sep 25 08:54:17 eule
/usr/libexec/gdm-x-session: (EE) Server terminated 
with error (1). Closing log
file.
Sep 25 08:54:17 eule /usr/libexec/gdm-x-session: Unable to run X
server

My video card:
01:00.0 VGA compatible controller: Advanced Micro
Devices, Inc. 
[AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series]

I filed
already a BZ
(https://bugzilla.redhat.com/show_bug.cgi?id=1260487), but getting
no 
answer. The gnome mega update has been applied yesterday, but there is 
no
difference in behaviour between before and after!

If using lightdm instead of
GDM, no such problems!

Anybody sees this too or knows some workaraound?

Kind
regards

Joachim Backes

-- 

Fedora release 23 (Twenty
Three)
Kernel-4.2.1-300.fc23.x86_64


Joachim Backes
<joachim.backes at rhrk.uni-kl.de>
http://www-user.rhrk.uni-kl.de/~backes/
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