Enormous utmp since mpsafetty
gary.jennejohn at freenet.de
Wed Aug 27 11:21:43 UTC 2008
On Wed, 27 Aug 2008 11:12:55 +0200
Philip Paeps <philip at freebsd.org> wrote:
> On 2008-08-26 22:44:55 (+0800), kevin <kevinxlinuz at 163.com> wrote:
> > Philip Paeps wrote:
> > > Has anyone else noticed that /var/run/utmp sometimes grows to insane sizes
> > > (998M) since mpsafetty? I've been trying to pinpoint the culprit but I
> > > haven't been successful so far.
> > >
> > > I don't think mpsafetty itself is to blame. Rather something which expects
> > > our old tty system.
> > >
> > > My original reaction was to blame screen, but I can't immediately see where it
> > > might be going wrong.
> > >
> > > Mysterious. Anyone have any ideas?
> > Could you check the output of `last`?
> The output of last looks sane... last checks wtmp though, not utmp, if I'm
> not mistaken? Interestingly, strings on utmp only shows the records I expect
> to be there. The rest of the file seems to be filled with zeros.
> Very strange.
There are many more pseudo-ttys in /etc/ttys now. AFAIK utmp allocates
an entry for every one of them at startup.
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