Hitting kern.openfile ~= kern.maxfiles

[Murray Taylor]

Hi all,

I am getting sporadic Xorg / KDE lockups or 
process crashes. It seems to be related to hitting the 
kern.maxfiles value.
What I am seeing looks like a lot of unclosed file descriptors that are
clogging
the system badly. 

FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:48:17 UTC 2009

Xorg 7.5

KDE 3.5.10_7

Firefox 3.6.8,1

I use Kmail to access my dovecot server on another box.

Symptoms include messages like unable to cd into
/home/me/stuff/next_level
Or unable to access a shared lib. If I close konqerer or kamail or
firefox,
Then it sometimes comes good, other wise the best solution is to logout
of 
KDE / Xorg and (re)startx again.

At the command prompt, without Xorg / KDE running I usually see and 
kern.openfiles value of about 350, It will jump up to about 900 or more
on
the startx which also launches KDE, that up to arounf 10000, 11000 with 
Kmail, konqerer and firefox running. It will sometime hover there for
days,
Then go up and cause freezes, nonstarts etc . Other times it will go up
Within a hour or so....

I've looked at tuning(7) and currently kern.maxfiles is set to 24000.

I have hald and dbus running for xorg

Any udeas ?


-- 
Murray Taylor
Bytecraft Systems
Special Projects Engineer

P: +61 3 8710 0600
D: +61 3 9238 4275
F: +61 3 9238 4140

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