[gentoo-user] kdm wierdness

[gentoo-user] kdm wierdness

[John Blinka]

Hi, all,

I have been using the kdm graphical login for all my gentoo machines
for a very long time without any problems - except for the past few
months on one machine.  On this machine, the first login after booting
always fails.  All subsequent logins succeed.  More specifically, after
I try to
log in following a boot, the kdm login window disappears for the better
part of a minute, followed by a brief black screen, then followed by a
kdm login window and background.  Logging in again produces my usual
xfce4 window manager without any delay.  Logging in to a kde-3.5 session
instead of xfce4 produces the same behavior, except that the delay
during the first login attempt is many minutes.  It's as if kdm were trying
to start an xfce4 or kde-3.5 session, but couldn't, then redisplays the
kdm login window after the failure.  It seems as if the initial failure to
start a session clears out whatever it is that prevents the session from
starting, so that subsequent login attempts start sessions successfully.

This behavior is actually an improvement from about a month ago.
At that time X would crash after the initial login attempt.  I learned that
logging into the console as root and restarting kdm would allow
successful graphical logins after that initial crash.

Any ideas about what to do?  The logs have never contained any error
messages about the problem.

John Blinka
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Re: [gentoo-user] kdm wierdness

[Richard Fish]

On 8/25/06, John Blinka <jblinka@neo.rr.com> wrote:
> Hi, all,
>
> I have been using the kdm graphical login for all my gentoo machines
> for a very long time without any problems - except for the past few
> months on one machine.  On this machine, the first login after booting
> always fails.  All subsequent logins succeed.

Hmm, are you authenticating locally, or against a network/ldap server?

> Any ideas about what to do?  The logs have never contained any error
> messages about the problem.

Which logs have you checked?  Both /var/log/kdm.log and
~/.xsession-errors would be relevant.

-Richard
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Re: [gentoo-user] kdm wierdness

[John Blinka]

Richard Fish wrote:
> Hmm, are you authenticating locally, or against a network/ldap server?
locally.
>
> Which logs have you checked?  Both /var/log/kdm.log and
> ~/.xsession-errors would be relevant.
>
Just stuff in /var/log, including kdm.log.  It contains lines like

FreeFontPath: FPE "/usr/share/fonts/misc:unscaled/" refcount is 2,
should be 1; fixing.

which I presumed were not the source of the problem.

But I was unaware of ~/.xsession-errors.  After the first, failed login
it looks like this:

/usr/bin/startxfce4: X server already running on display :0
xrdb: Connection refused
xrdb: Can't open display ':0'
/etc/xdg/xfce4/xinitrc: line 52: xscreensaver: command not found
Agent pid 7296
which: no dbus-launch in
(/usr/local/bin:/usr/bin:/bin:/opt/bin:/usr/i686-pc-linux-gnu/gcc-bin/3.4.6:/opt/blackdown-jdk-1.4.2.03/bin:/opt/blackdown-jdk-1.4.2.03/jre/bin:/usr/kde/3.5/bin:/usr/qt/3/bin:/usr/local/lang/Eiffel55/studio/spec/linux-glibc2.1/bin:/usr/local/hdf5/serial/bin)

(xfce4-session:7299): Gtk-WARNING **: cannot open display: 
Agent pid 7296 killed


After the 2nd, successful login, it looks like

/usr/bin/startxfce4: X server already running on display :0
/etc/xdg/xfce4/xinitrc: line 52: xscreensaver: command not found
Agent pid 7368
which: no dbus-launch in
(/usr/local/bin:/usr/bin:/bin:/opt/bin:/usr/i686-pc-linux-gnu/gcc-bin/3.4.6:/opt/blackdown-jdk-1.4.2.03/bin:/opt/blackdown-jdk-1.4.2.03/jre/bin:/usr/kde/3.5/bin:/usr/qt/3/bin:/usr/local/lang/Eiffel55/studio/spec/linux-glibc2.1/bin:/usr/local/hdf5/serial/bin)
_IceTransmkdir: ERROR: euid != 0,directory /tmp/.ICE-unix will not be
created.

** (xfwm4:7376): WARNING **: The display does not support the XComposite
extension.

** (xfwm4:7376): WARNING **: Compositing manager disabled.

(xftaskbar4:7378): libxfcegui4-WARNING **: tray icon has requested a
size of (1 x 1), resizing to (24 x 24)


john


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Re: [gentoo-user] kdm wierdness

[Richard Fish]

On 8/25/06, John Blinka <jblinka@neo.rr.com> wrote:
> But I was unaware of ~/.xsession-errors.  After the first, failed login
> it looks like this:
>
> /usr/bin/startxfce4: X server already running on display :0
> xrdb: Connection refused
> xrdb: Can't open display ':0'

Hrm, normally it is the DM's job to setup the access control (with
xauth) appropriately to allow cllients to connect to the server, but
I'm no expert on this...it usually "just works".

So maybe we can just double check a couple of basics:

Do you have x11-apps/xauth merged?
What are the permissions on ~user/.Xauthority

Other than that, I know exactly nothing about xfce4, but maybe this
problem is coming from the startxfce4 script...

-Richard
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Re: [gentoo-user] kdm wierdness

[John Blinka]

Richard Fish wrote:
>
> So maybe we can just double check a couple of basics:
>
> Do you have x11-apps/xauth merged?
Yes.
> What are the permissions on ~user/.Xauthority
-rw------- 1 john users 605 Aug 25 22:48 .Xauthority
>
> Other than that, I know exactly nothing about xfce4, but maybe this
> problem is coming from the startxfce4 script...
>
I think not.  I see the same behavior when trying to start a kde-3.5
session.
Besides, I have several other machines with identical startxfce4 scripts
that behave normally.

John

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