Re: pen dies with "Error opening socket"

From: Dennis Thomas <>
Date: Wed, 28 Dec 2005 23:08:59 +0100

Hi Chris,

thanks for your help.

Chris Elsworth wrote:
> On Wed, Dec 28, 2005 at 09:42:56PM +0100, Dennis Thomas wrote:
>>on a machine acting as a loadbalancer for some hosts the pen proccess
>>dies every 1-3 Minutes. The last thing i can get in the log is "Error
>>opening socket".

> EMFILE: potentially a problem, check with ulimit -n for this. It's
> probably in the order of a few thousand, so unlikely.
> ENOBUFS: most likely the cause; try netstat -m and see if your mbuf
> clusters are maxed out next time it happens. Raising maxusers will
> allocate more mbufs and thus fix this. (kern.maxusers)

i changed the source to get the error code, it's 55 (whatever this may
I checked the mbuf clusters, they are not the problem:
6043/25600 mbuf clusters in use (current/max)

I'll compile a new kernel with fewer open files and see it it helps.

Received on Wed Dec 28 2005 - 23:09:05 CET

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