Re: GUI login issues over NFS

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On Thu, Jan 26, 2012 at 9:46 AM, Michael Weiner <hunter@xxxxxxxxxxxxxxxx> wrote:
> 5) i tried mounting manually, creating a $home directory for a new
> user, giving that user a password and i can ssh in but not Gnome or
> KDE

If it was me, I'd try creating a new home directory for that user on a
disk local to the machine where you're trying to log in. Presumably
the user could then log in. Then I'd check that the user could access
the NFS share normally just not as home. If no problem there, I'd be a
bit tempted to stop there as a workaround, because I am lazy and most
of my users just use one machine.

Seems possible to me that the dmrc file error message and the instant
logout are related but not identical. Gnome just does not like NFS
home dirs. (My experience has been, if the same user is logged in to
two machines, kablooey!) I used to frequently see a similar problem,
after a crash or other odd event, where the user could log in but then
would immediately be logged out with an error similar to your second
message. I had a magic trick I had to go through to untangle things,
if you are desperate enough you could try it:

* delete all files in the user's home dir that start with .gconf
(.gconf and .gconfd).
* delete all files in /tmp.
* reboot to make sure all processes release old corrupted files.
* if feeling paranoid, before having the user try to log in, check
again as root that /tmp is empty and nothing in user's home dir is
named .gconf*.

One of the symptoms of my problem was, after the user tried to log in
and failed, there would be some processes owned by that user alive or
in zombie state but still part of ps output, although of course the
user was not logged in. These must be killed (or overkilled with
reboot) and all traces in /tmp removed. But this would show up in the
log of the machine where user is trying to log in (if I recall) as
some complaint about gconf. So this may be a goose chase for you,
since KDE also fails. I'm not sure what (if anything) they would have
in common.

Oh well.
Dave
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