socketpair: No buffer space available

[Marc G. Fournier]

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Almost like clockwork, every 3 days, I have one server that starts to generate
errors similar to below ... it isn't a 'continous thing' at the start, but
gradually grows worse ... it just started happening again today, after 3 days, 
2hrs of uptime ...

Mar 20 07:59:26 mars sshd[717]: error: reexec socketpair: No buffer space
available

As unrelated as this might sound, out of three servers that are virtually
identical, this is the only one using gmirror for its drives vs a hardware raid
controller, two of the three running kernels from about the same time ...

# ssh jupiter uname -a
FreeBSD jupiter.hub.org 6.2-STABLE FreeBSD 6.2-STABLE #1: Fri Mar 16 13:13:02
ADT 2007     root at jupiter.hub.org:/usr/obj/usr/src/sys/kernel  i386

vs

# ssh mars uname -a
FreeBSD mars.hub.org 6.2-STABLE FreeBSD 6.2-STABLE #5: Tue Mar 13 02:29:37 ADT
2007     root at mars.hub.org:/usr/obj/usr/src/sys/kernel  i386

jupiter is running more on it then mars right now ...

So, I either have something mis-configured on mars that is done right on
jupiter, or there is a bug that is being tickled on mars that isn't being
tickled on jupiter ...

If I have a login session on the machine, I can easily do a reboot of the
machine, and it seems to come up clean every time (ie. no fsck's need to be
run) ...

Does anyone have any ideas of what I can look at?

I've checked nmbclusters between the two machines, and both are at 25600, but 
not sure what sysctl to look at for how much is actually used out of that 25600 
...


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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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