[Tfug] disk usage mystery..

[John Gruenenfelder]

On Tue, Mar 13, 2012 at 19:56, JD Rogers <rogersjd at gmail.com> wrote:
> Narrowed down the problem.. lightdm or at least something related to X.
>
> If I switch to a virt term and "stop lightdm" the disk is still full,
> but ps shows that lightdm doesn't fully exit because of pulseaudio. So
> I "killall pulseaudio" and bam! I have 1GB free. No reboot needed and
> its not a system/kernel bug. Still no sign of what file is actually
> taking up 1GB of space, even using lsof. FWIW, killing pulseaudio
> without shutting down x and stopping lightdm has no affect.
>
> On a whim, I tried using gdm instead of lightdm and got all excited
> because it appeared to work fine for a day, but I see my free disk
> space is plummeting at a rate of about 3MB every minute as I type
> this.

Hmmm...  Given the complexity of X, I would think it the more likely
culprit.  I can't think of anything lightdm/gdm might be doing that
could cause this (other than log file leakage of some sort).

Also, such a strange and bizarre bug is very unlikely to be duplicated
in two very different login managers.  But, they do both spawn X
server processes...


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--John Gruenenfelder    Systems Manager, MKS Imaging Technology, LLC.
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