Known memory leak in 6-STABLE from April 1st?

[Marc G. Fournier]

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- --On Monday, May 14, 2007 19:07:24 +0200 Ulrich Spoerlein 
<uspoerlein at gmail.com> wrote:

> Hi all,
>
> I observed something funny with our new cyrus/postfix/amavis
> installations running on 6.2-STABLE checked out on April 1st (no, I'm
> not joking).
>
> They are running symon to grab performance data and I saw the memory
> total becoming less and less. Now I know that adding up
> free+active+inactive != total ram BUT *all* other FreeBSD machines we
> are running show a more or less constant sum.
>
> I uploaded two pictures showing the trend here (They are i386 machines
> with 4GB RAM, FreeBSD reports 3.3GB as usable):
>
> http://coyote.dnsalias.net/ms1-day.png
> http://coyote.dnsalias.net/ms1-week.png
>
> Now after doing some heavy IMAP testing (cyrus reconstruct of big
> maildirs) the system froze to a complete halt. Stupid me already
> rebooted the machine, tomorrow I'll try to break into DDB when it
> happens again. I also started recording top(1) memory output and
> sysctl vm.zone output.
>
> The main questions is: Were there any known memory leaks at the start
> of April? Any patches I should blindly try before spending several
> days on debugging this?

Hrmmm ... long shot here, but what does:

sysctl kern.ipc.numopensockets

show over that period of time ... just wondering if we are somehow related on 
problems here, just different symptoms ...

- ----
Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email . scrappy at hub.org                              MSN . scrappy at hub.org
Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664
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