[Bug 99044] KDM does not work if disk is full and gives no warning about it

[tdn]

Public bug reported:

It is impossible to login with KDM if the disk is full. 
I think KDM is trying to write to a file somewhere and this failes.

The big problem here is that the user gets no information why i can't
login. Thus making it pretty difficult to debug.

I had to install gdm to understand what was wrong. Gdm gave the user a fine error message while trying to login. The message told the user that gdm could not write to a specific file and therefore could not let the user login. The error message also suggested what could be the cause. It suggested that the disk might be full -- and it was.
Deleting some files and restarting KDM fixed the problem.

I would like to see a similar warning from KDM.

Maybe it would even be an idea to give the user an option to run "sudo
apt-get clean" or something similar just to make *some* free space so
that the user can log in to KDE and delete files. Most users won't be
able to delete files if they cannot login to X.

** Affects: kdebase (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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KDM does not work if disk is full and gives no warning about it
https://launchpad.net/bugs/99044